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-rw-r--r--drivers/clk/Kconfig30
-rw-r--r--drivers/clk/Makefile5
-rw-r--r--drivers/clk/at91/clk-generated.c99
-rw-r--r--drivers/clk/at91/clk-h32mx.c40
-rw-r--r--drivers/clk/at91/clk-main.c330
-rw-r--r--drivers/clk/at91/clk-master.c98
-rw-r--r--drivers/clk/at91/clk-peripheral.c137
-rw-r--r--drivers/clk/at91/clk-pll.c150
-rw-r--r--drivers/clk/at91/clk-plldiv.c44
-rw-r--r--drivers/clk/at91/clk-programmable.c100
-rw-r--r--drivers/clk/at91/clk-slow.c43
-rw-r--r--drivers/clk/at91/clk-smd.c60
-rw-r--r--drivers/clk/at91/clk-system.c96
-rw-r--r--drivers/clk/at91/clk-usb.c127
-rw-r--r--drivers/clk/at91/clk-utmi.c80
-rw-r--r--drivers/clk/at91/pmc.c426
-rw-r--r--drivers/clk/at91/pmc.h98
-rw-r--r--drivers/clk/bcm/clk-bcm2835-aux.c4
-rw-r--r--drivers/clk/bcm/clk-bcm2835.c47
-rw-r--r--drivers/clk/bcm/clk-cygnus.c59
-rw-r--r--drivers/clk/bcm/clk-iproc-pll.c41
-rw-r--r--drivers/clk/bcm/clk-iproc.h43
-rw-r--r--drivers/clk/clk-axi-clkgen.c170
-rw-r--r--drivers/clk/clk-composite.c2
-rw-r--r--drivers/clk/clk-divider.c18
-rw-r--r--drivers/clk/clk-efm32gg.c2
-rw-r--r--drivers/clk/clk-fixed-factor.c15
-rw-r--r--drivers/clk/clk-fixed-rate.c18
-rw-r--r--drivers/clk/clk-fractional-divider.c2
-rw-r--r--drivers/clk/clk-gate.c2
-rw-r--r--drivers/clk/clk-gpio.c163
-rw-r--r--drivers/clk/clk-max77686.c3
-rw-r--r--drivers/clk/clk-max77802.c2
-rw-r--r--drivers/clk/clk-mb86s7x.c4
-rw-r--r--drivers/clk/clk-multiplier.c2
-rw-r--r--drivers/clk/clk-mux.c2
-rw-r--r--drivers/clk/clk-palmas.c16
-rw-r--r--drivers/clk/clk-pwm.c2
-rw-r--r--drivers/clk/clk-s2mps11.c111
-rw-r--r--drivers/clk/clk-scpi.c2
-rw-r--r--drivers/clk/clk-si514.c2
-rw-r--r--drivers/clk/clk-si5351.c2
-rw-r--r--drivers/clk/clk-si570.c2
-rw-r--r--drivers/clk/clk-vt8500.c100
-rw-r--r--drivers/clk/clk-xgene.c109
-rw-r--r--drivers/clk/clk.c221
-rw-r--r--drivers/clk/h8300/clk-div.c6
-rw-r--r--drivers/clk/h8300/clk-h8s2678.c4
-rw-r--r--drivers/clk/hisilicon/clk-hi3620.c18
-rw-r--r--drivers/clk/hisilicon/clk-hi6220-stub.c2
-rw-r--r--drivers/clk/hisilicon/clk-hi6220.c26
-rw-r--r--drivers/clk/hisilicon/clk-hip04.c6
-rw-r--r--drivers/clk/hisilicon/clk-hix5hd2.c60
-rw-r--r--drivers/clk/imx/clk-busy.c4
-rw-r--r--drivers/clk/imx/clk-fixup-div.c5
-rw-r--r--drivers/clk/imx/clk-fixup-mux.c2
-rw-r--r--drivers/clk/imx/clk-gate-exclusive.c2
-rw-r--r--drivers/clk/imx/clk-imx6q.c132
-rw-r--r--drivers/clk/imx/clk-imx6ul.c65
-rw-r--r--drivers/clk/imx/clk.h2
-rw-r--r--drivers/clk/mediatek/clk-gate.c8
-rw-r--r--drivers/clk/mediatek/clk-gate.h2
-rw-r--r--drivers/clk/mediatek/clk-mtk.c10
-rw-r--r--drivers/clk/meson/clkc.c2
-rw-r--r--drivers/clk/mvebu/Kconfig2
-rw-r--r--drivers/clk/mvebu/common.c13
-rw-r--r--drivers/clk/mvebu/dove-divider.c3
-rw-r--r--drivers/clk/mvebu/kirkwood.c2
-rw-r--r--drivers/clk/mxs/clk-div.c2
-rw-r--r--drivers/clk/mxs/clk.h2
-rw-r--r--drivers/clk/nxp/Makefile1
-rw-r--r--drivers/clk/nxp/clk-lpc18xx-ccu.c4
-rw-r--r--drivers/clk/nxp/clk-lpc18xx-cgu.c2
-rw-r--r--drivers/clk/nxp/clk-lpc18xx-creg.c226
-rw-r--r--drivers/clk/nxp/clk-lpc32xx.c15
-rw-r--r--drivers/clk/pxa/clk-pxa25x.c20
-rw-r--r--drivers/clk/pxa/clk-pxa27x.c40
-rw-r--r--drivers/clk/pxa/clk-pxa3xx.c11
-rw-r--r--drivers/clk/qcom/Kconfig8
-rw-r--r--drivers/clk/qcom/Makefile1
-rw-r--r--drivers/clk/qcom/clk-rcg.c4
-rw-r--r--drivers/clk/qcom/common.c30
-rw-r--r--drivers/clk/qcom/gcc-ipq4019.c1354
-rw-r--r--drivers/clk/qcom/gcc-ipq806x.c37
-rw-r--r--drivers/clk/qcom/gcc-msm8660.c32
-rw-r--r--drivers/clk/qcom/gcc-msm8916.c18
-rw-r--r--drivers/clk/qcom/gcc-msm8960.c46
-rw-r--r--drivers/clk/qcom/gcc-msm8974.c1
-rw-r--r--drivers/clk/qcom/gcc-msm8996.c98
-rw-r--r--drivers/clk/qcom/gdsc.c89
-rw-r--r--drivers/clk/qcom/gdsc.h34
-rw-r--r--drivers/clk/qcom/mmcc-msm8960.c35
-rw-r--r--drivers/clk/qcom/mmcc-msm8974.c15
-rw-r--r--drivers/clk/qcom/mmcc-msm8996.c157
-rw-r--r--drivers/clk/renesas/Makefile (renamed from drivers/clk/shmobile/Makefile)0
-rw-r--r--drivers/clk/renesas/clk-div6.c (renamed from drivers/clk/shmobile/clk-div6.c)3
-rw-r--r--drivers/clk/renesas/clk-div6.h (renamed from drivers/clk/shmobile/clk-div6.h)4
-rw-r--r--drivers/clk/renesas/clk-emev2.c (renamed from drivers/clk/shmobile/clk-emev2.c)0
-rw-r--r--drivers/clk/renesas/clk-mstp.c (renamed from drivers/clk/shmobile/clk-mstp.c)2
-rw-r--r--drivers/clk/renesas/clk-r8a73a4.c (renamed from drivers/clk/shmobile/clk-r8a73a4.c)2
-rw-r--r--drivers/clk/renesas/clk-r8a7740.c (renamed from drivers/clk/shmobile/clk-r8a7740.c)2
-rw-r--r--drivers/clk/renesas/clk-r8a7778.c (renamed from drivers/clk/shmobile/clk-r8a7778.c)2
-rw-r--r--drivers/clk/renesas/clk-r8a7779.c (renamed from drivers/clk/shmobile/clk-r8a7779.c)2
-rw-r--r--drivers/clk/renesas/clk-rcar-gen2.c (renamed from drivers/clk/shmobile/clk-rcar-gen2.c)2
-rw-r--r--drivers/clk/renesas/clk-rz.c (renamed from drivers/clk/shmobile/clk-rz.c)2
-rw-r--r--drivers/clk/renesas/clk-sh73a0.c (renamed from drivers/clk/shmobile/clk-sh73a0.c)2
-rw-r--r--drivers/clk/renesas/r8a7795-cpg-mssr.c (renamed from drivers/clk/shmobile/r8a7795-cpg-mssr.c)255
-rw-r--r--drivers/clk/renesas/renesas-cpg-mssr.c (renamed from drivers/clk/shmobile/renesas-cpg-mssr.c)7
-rw-r--r--drivers/clk/renesas/renesas-cpg-mssr.h (renamed from drivers/clk/shmobile/renesas-cpg-mssr.h)2
-rw-r--r--drivers/clk/rockchip/clk-cpu.c8
-rw-r--r--drivers/clk/rockchip/clk-inverter.c8
-rw-r--r--drivers/clk/rockchip/clk-mmc-phase.c8
-rw-r--r--drivers/clk/rockchip/clk-pll.c5
-rw-r--r--drivers/clk/rockchip/clk-rk3036.c33
-rw-r--r--drivers/clk/rockchip/clk-rk3188.c27
-rw-r--r--drivers/clk/rockchip/clk-rk3228.c56
-rw-r--r--drivers/clk/rockchip/clk-rk3288.c38
-rw-r--r--drivers/clk/rockchip/clk-rk3368.c175
-rw-r--r--drivers/clk/rockchip/clk.c68
-rw-r--r--drivers/clk/rockchip/clk.h28
-rw-r--r--drivers/clk/samsung/Kconfig19
-rw-r--r--drivers/clk/samsung/Makefile4
-rw-r--r--drivers/clk/samsung/clk-exynos4.c12
-rw-r--r--drivers/clk/samsung/clk-exynos4415.c2
-rw-r--r--drivers/clk/samsung/clk-exynos5250.c10
-rw-r--r--drivers/clk/samsung/clk-exynos5260.c36
-rw-r--r--drivers/clk/samsung/clk-exynos5420.c12
-rw-r--r--drivers/clk/samsung/clk-exynos5433.c208
-rw-r--r--drivers/clk/samsung/clk-exynos5440.c12
-rw-r--r--drivers/clk/samsung/clk-exynos7.c12
-rw-r--r--drivers/clk/samsung/clk-s3c2410.c2
-rw-r--r--drivers/clk/samsung/clk-s3c2412.c4
-rw-r--r--drivers/clk/samsung/clk-s3c2443.c8
-rw-r--r--drivers/clk/samsung/clk-s3c64xx.c8
-rw-r--r--drivers/clk/samsung/clk-s5pv210.c10
-rw-r--r--drivers/clk/socfpga/clk-gate-a10.c6
-rw-r--r--drivers/clk/socfpga/clk-periph-a10.c7
-rw-r--r--drivers/clk/socfpga/clk-pll-a10.c2
-rw-r--r--drivers/clk/spear/spear1310_clock.c21
-rw-r--r--drivers/clk/spear/spear1340_clock.c16
-rw-r--r--drivers/clk/spear/spear3xx_clock.c8
-rw-r--r--drivers/clk/spear/spear6xx_clock.c6
-rw-r--r--drivers/clk/st/clk-flexgen.c4
-rw-r--r--drivers/clk/st/clkgen-fsyn.c8
-rw-r--r--drivers/clk/st/clkgen-mux.c13
-rw-r--r--drivers/clk/sunxi/clk-a10-hosc.c3
-rw-r--r--drivers/clk/sunxi/clk-a20-gmac.c2
-rw-r--r--drivers/clk/sunxi/clk-factors.c123
-rw-r--r--drivers/clk/sunxi/clk-factors.h26
-rw-r--r--drivers/clk/sunxi/clk-mod0.c23
-rw-r--r--drivers/clk/sunxi/clk-simple-gates.c4
-rw-r--r--drivers/clk/sunxi/clk-sun6i-apb0-gates.c2
-rw-r--r--drivers/clk/sunxi/clk-sun6i-ar100.c235
-rw-r--r--drivers/clk/sunxi/clk-sun8i-apb0.c2
-rw-r--r--drivers/clk/sunxi/clk-sun8i-bus-gates.c3
-rw-r--r--drivers/clk/sunxi/clk-sun8i-mbus.c132
-rw-r--r--drivers/clk/sunxi/clk-sun9i-core.c86
-rw-r--r--drivers/clk/sunxi/clk-sunxi.c863
-rw-r--r--drivers/clk/sunxi/clk-usb.c24
-rw-r--r--drivers/clk/tegra/clk-audio-sync.c2
-rw-r--r--drivers/clk/tegra/clk-dfll.c1
-rw-r--r--drivers/clk/tegra/clk-tegra-fixed.c6
-rw-r--r--drivers/clk/tegra/clk-tegra114.c3
-rw-r--r--drivers/clk/tegra/clk-tegra20.c10
-rw-r--r--drivers/clk/ti/Kconfig6
-rw-r--r--drivers/clk/ti/Makefile6
-rw-r--r--drivers/clk/ti/adpll.c983
-rw-r--r--drivers/clk/ti/apll.c20
-rw-r--r--drivers/clk/ti/clk-814x.c53
-rw-r--r--drivers/clk/ti/clk.c4
-rw-r--r--drivers/clk/ti/clkt_dpll.c6
-rw-r--r--drivers/clk/ti/clockdomain.c2
-rw-r--r--drivers/clk/ti/composite.c10
-rw-r--r--drivers/clk/ti/divider.c2
-rw-r--r--drivers/clk/ti/dpll.c27
-rw-r--r--drivers/clk/ti/dpll3xxx.c17
-rw-r--r--drivers/clk/ti/dpll44xx.c8
-rw-r--r--drivers/clk/ti/gate.c2
-rw-r--r--drivers/clk/ti/mux.c6
-rw-r--r--drivers/clk/ux500/abx500-clk.c5
-rw-r--r--drivers/clk/ux500/u8500_of_clk.c74
-rw-r--r--drivers/clk/ux500/u8540_clk.c80
-rw-r--r--drivers/clk/versatile/clk-icst.c2
-rw-r--r--drivers/clk/versatile/clk-impd1.c3
-rw-r--r--drivers/clk/versatile/clk-realview.c8
-rw-r--r--drivers/clk/versatile/clk-sp810.c4
-rw-r--r--drivers/clk/versatile/clk-vexpress-osc.c2
-rw-r--r--drivers/clk/x86/clk-lpt.c4
-rw-r--r--drivers/clk/zynq/clkc.c3
189 files changed, 6054 insertions, 3811 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig
index eca8e019e005..16f7d33421d8 100644
--- a/drivers/clk/Kconfig
+++ b/drivers/clk/Kconfig
@@ -6,9 +6,6 @@ config CLKDEV_LOOKUP
config HAVE_CLK_PREPARE
bool
-config HAVE_MACH_CLKDEV
- bool
-
config COMMON_CLK
bool
select HAVE_CLK_PREPARE
@@ -99,6 +96,14 @@ config COMMON_CLK_SI570
This driver supports Silicon Labs 570/571/598/599 programmable
clock generators.
+config COMMON_CLK_CDCE706
+ tristate "Clock driver for TI CDCE706 clock synthesizer"
+ depends on I2C
+ select REGMAP_I2C
+ select RATIONAL
+ ---help---
+ This driver supports TI CDCE706 programmable 3-PLL clock synthesizer.
+
config COMMON_CLK_CDCE925
tristate "Clock driver for TI CDCE925 devices"
depends on I2C
@@ -190,23 +195,14 @@ config COMMON_CLK_PWM
config COMMON_CLK_PXA
def_bool COMMON_CLK && ARCH_PXA
---help---
- Sypport for the Marvell PXA SoC.
-
-config COMMON_CLK_CDCE706
- tristate "Clock driver for TI CDCE706 clock synthesizer"
- depends on I2C
- select REGMAP_I2C
- select RATIONAL
- ---help---
- This driver supports TI CDCE706 programmable 3-PLL clock synthesizer.
+ Support for the Marvell PXA SoC.
source "drivers/clk/bcm/Kconfig"
source "drivers/clk/hisilicon/Kconfig"
-source "drivers/clk/qcom/Kconfig"
-
-endmenu
-
source "drivers/clk/mvebu/Kconfig"
-
+source "drivers/clk/qcom/Kconfig"
source "drivers/clk/samsung/Kconfig"
source "drivers/clk/tegra/Kconfig"
+source "drivers/clk/ti/Kconfig"
+
+endmenu
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile
index bae4be6501df..46869d696e4d 100644
--- a/drivers/clk/Makefile
+++ b/drivers/clk/Makefile
@@ -70,15 +70,14 @@ obj-$(CONFIG_COMMON_CLK_PXA) += pxa/
obj-$(CONFIG_COMMON_CLK_QCOM) += qcom/
obj-$(CONFIG_ARCH_ROCKCHIP) += rockchip/
obj-$(CONFIG_COMMON_CLK_SAMSUNG) += samsung/
-obj-$(CONFIG_ARCH_SHMOBILE_MULTI) += shmobile/
-obj-$(CONFIG_ARCH_RENESAS) += shmobile/
+obj-$(CONFIG_ARCH_RENESAS) += renesas/
obj-$(CONFIG_ARCH_SIRF) += sirf/
obj-$(CONFIG_ARCH_SOCFPGA) += socfpga/
obj-$(CONFIG_PLAT_SPEAR) += spear/
obj-$(CONFIG_ARCH_STI) += st/
obj-$(CONFIG_ARCH_SUNXI) += sunxi/
obj-$(CONFIG_ARCH_TEGRA) += tegra/
-obj-$(CONFIG_ARCH_OMAP2PLUS) += ti/
+obj-y += ti/
obj-$(CONFIG_ARCH_U8500) += ux500/
obj-$(CONFIG_COMMON_CLK_VERSATILE) += versatile/
obj-$(CONFIG_X86) += x86/
diff --git a/drivers/clk/at91/clk-generated.c b/drivers/clk/at91/clk-generated.c
index abc80949e1dd..e1aa210dd7aa 100644
--- a/drivers/clk/at91/clk-generated.c
+++ b/drivers/clk/at91/clk-generated.c
@@ -15,8 +15,8 @@
#include <linux/clkdev.h>
#include <linux/clk/at91_pmc.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/io.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "pmc.h"
@@ -28,8 +28,9 @@
struct clk_generated {
struct clk_hw hw;
- struct at91_pmc *pmc;
+ struct regmap *regmap;
struct clk_range range;
+ spinlock_t *lock;
u32 id;
u32 gckdiv;
u8 parent_id;
@@ -41,49 +42,52 @@ struct clk_generated {
static int clk_generated_enable(struct clk_hw *hw)
{
struct clk_generated *gck = to_clk_generated(hw);
- struct at91_pmc *pmc = gck->pmc;
- u32 tmp;
+ unsigned long flags;
pr_debug("GCLK: %s, gckdiv = %d, parent id = %d\n",
__func__, gck->gckdiv, gck->parent_id);
- pmc_lock(pmc);
- pmc_write(pmc, AT91_PMC_PCR, (gck->id & AT91_PMC_PCR_PID_MASK));
- tmp = pmc_read(pmc, AT91_PMC_PCR) &
- ~(AT91_PMC_PCR_GCKDIV_MASK | AT91_PMC_PCR_GCKCSS_MASK);
- pmc_write(pmc, AT91_PMC_PCR, tmp | AT91_PMC_PCR_GCKCSS(gck->parent_id)
- | AT91_PMC_PCR_CMD
- | AT91_PMC_PCR_GCKDIV(gck->gckdiv)
- | AT91_PMC_PCR_GCKEN);
- pmc_unlock(pmc);
+ spin_lock_irqsave(gck->lock, flags);
+ regmap_write(gck->regmap, AT91_PMC_PCR,
+ (gck->id & AT91_PMC_PCR_PID_MASK));
+ regmap_update_bits(gck->regmap, AT91_PMC_PCR,
+ AT91_PMC_PCR_GCKDIV_MASK | AT91_PMC_PCR_GCKCSS_MASK |
+ AT91_PMC_PCR_CMD | AT91_PMC_PCR_GCKEN,
+ AT91_PMC_PCR_GCKCSS(gck->parent_id) |
+ AT91_PMC_PCR_CMD |
+ AT91_PMC_PCR_GCKDIV(gck->gckdiv) |
+ AT91_PMC_PCR_GCKEN);
+ spin_unlock_irqrestore(gck->lock, flags);
return 0;
}
static void clk_generated_disable(struct clk_hw *hw)
{
struct clk_generated *gck = to_clk_generated(hw);
- struct at91_pmc *pmc = gck->pmc;
- u32 tmp;
-
- pmc_lock(pmc);
- pmc_write(pmc, AT91_PMC_PCR, (gck->id & AT91_PMC_PCR_PID_MASK));
- tmp = pmc_read(pmc, AT91_PMC_PCR) & ~AT91_PMC_PCR_GCKEN;
- pmc_write(pmc, AT91_PMC_PCR, tmp | AT91_PMC_PCR_CMD);
- pmc_unlock(pmc);
+ unsigned long flags;
+
+ spin_lock_irqsave(gck->lock, flags);
+ regmap_write(gck->regmap, AT91_PMC_PCR,
+ (gck->id & AT91_PMC_PCR_PID_MASK));
+ regmap_update_bits(gck->regmap, AT91_PMC_PCR,
+ AT91_PMC_PCR_CMD | AT91_PMC_PCR_GCKEN,
+ AT91_PMC_PCR_CMD);
+ spin_unlock_irqrestore(gck->lock, flags);
}
static int clk_generated_is_enabled(struct clk_hw *hw)
{
struct clk_generated *gck = to_clk_generated(hw);
- struct at91_pmc *pmc = gck->pmc;
- int ret;
+ unsigned long flags;
+ unsigned int status;
- pmc_lock(pmc);
- pmc_write(pmc, AT91_PMC_PCR, (gck->id & AT91_PMC_PCR_PID_MASK));
- ret = !!(pmc_read(pmc, AT91_PMC_PCR) & AT91_PMC_PCR_GCKEN);
- pmc_unlock(pmc);
+ spin_lock_irqsave(gck->lock, flags);
+ regmap_write(gck->regmap, AT91_PMC_PCR,
+ (gck->id & AT91_PMC_PCR_PID_MASK));
+ regmap_read(gck->regmap, AT91_PMC_PCR, &status);
+ spin_unlock_irqrestore(gck->lock, flags);
- return ret;
+ return status & AT91_PMC_PCR_GCKEN ? 1 : 0;
}
static unsigned long
@@ -214,13 +218,14 @@ static const struct clk_ops generated_ops = {
*/
static void clk_generated_startup(struct clk_generated *gck)
{
- struct at91_pmc *pmc = gck->pmc;
u32 tmp;
+ unsigned long flags;
- pmc_lock(pmc);
- pmc_write(pmc, AT91_PMC_PCR, (gck->id & AT91_PMC_PCR_PID_MASK));
- tmp = pmc_read(pmc, AT91_PMC_PCR);
- pmc_unlock(pmc);
+ spin_lock_irqsave(gck->lock, flags);
+ regmap_write(gck->regmap, AT91_PMC_PCR,
+ (gck->id & AT91_PMC_PCR_PID_MASK));
+ regmap_read(gck->regmap, AT91_PMC_PCR, &tmp);
+ spin_unlock_irqrestore(gck->lock, flags);
gck->parent_id = (tmp & AT91_PMC_PCR_GCKCSS_MASK)
>> AT91_PMC_PCR_GCKCSS_OFFSET;
@@ -229,8 +234,8 @@ static void clk_generated_startup(struct clk_generated *gck)
}
static struct clk * __init
-at91_clk_register_generated(struct at91_pmc *pmc, const char *name,
- const char **parent_names, u8 num_parents,
+at91_clk_register_generated(struct regmap *regmap, spinlock_t *lock, const char
+ *name, const char **parent_names, u8 num_parents,
u8 id, const struct clk_range *range)
{
struct clk_generated *gck;
@@ -249,7 +254,8 @@ at91_clk_register_generated(struct at91_pmc *pmc, const char *name,
gck->id = id;
gck->hw.init = &init;
- gck->pmc = pmc;
+ gck->regmap = regmap;
+ gck->lock = lock;
gck->range = *range;
clk = clk_register(NULL, &gck->hw);
@@ -261,20 +267,20 @@ at91_clk_register_generated(struct at91_pmc *pmc, const char *name,
return clk;
}
-void __init of_sama5d2_clk_generated_setup(struct device_node *np,
- struct at91_pmc *pmc)
+void __init of_sama5d2_clk_generated_setup(struct device_node *np)
{
int num;
u32 id;
const char *name;
struct clk *clk;
- int num_parents;
+ unsigned int num_parents;
const char *parent_names[GENERATED_SOURCE_MAX];
struct device_node *gcknp;
struct clk_range range = CLK_RANGE(0, 0);
+ struct regmap *regmap;
num_parents = of_clk_get_parent_count(np);
- if (num_parents <= 0 || num_parents > GENERATED_SOURCE_MAX)
+ if (num_parents == 0 || num_parents > GENERATED_SOURCE_MAX)
return;
of_clk_parent_fill(np, parent_names, num_parents);
@@ -283,6 +289,10 @@ void __init of_sama5d2_clk_generated_setup(struct device_node *np,
if (!num || num > PERIPHERAL_MAX)
return;
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
+
for_each_child_of_node(np, gcknp) {
if (of_property_read_u32(gcknp, "reg", &id))
continue;
@@ -296,11 +306,14 @@ void __init of_sama5d2_clk_generated_setup(struct device_node *np,
of_at91_get_clk_range(gcknp, "atmel,clk-output-range",
&range);
- clk = at91_clk_register_generated(pmc, name, parent_names,
- num_parents, id, &range);
+ clk = at91_clk_register_generated(regmap, &pmc_pcr_lock, name,
+ parent_names, num_parents,
+ id, &range);
if (IS_ERR(clk))
continue;
of_clk_add_provider(gcknp, of_clk_src_simple_get, clk);
}
}
+CLK_OF_DECLARE(of_sama5d2_clk_generated_setup, "atmel,sama5d2-clk-generated",
+ of_sama5d2_clk_generated_setup);
diff --git a/drivers/clk/at91/clk-h32mx.c b/drivers/clk/at91/clk-h32mx.c
index 61566bcefa53..819f5842fa66 100644
--- a/drivers/clk/at91/clk-h32mx.c
+++ b/drivers/clk/at91/clk-h32mx.c
@@ -15,15 +15,9 @@
#include <linux/clk-provider.h>
#include <linux/clkdev.h>
#include <linux/clk/at91_pmc.h>
-#include <linux/delay.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/io.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
+#include <linux/regmap.h>
+#include <linux/mfd/syscon.h>
#include "pmc.h"
@@ -31,7 +25,7 @@
struct clk_sama5d4_h32mx {
struct clk_hw hw;
- struct at91_pmc *pmc;
+ struct regmap *regmap;
};
#define to_clk_sama5d4_h32mx(hw) container_of(hw, struct clk_sama5d4_h32mx, hw)
@@ -40,8 +34,10 @@ static unsigned long clk_sama5d4_h32mx_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct clk_sama5d4_h32mx *h32mxclk = to_clk_sama5d4_h32mx(hw);
+ unsigned int mckr;
- if (pmc_read(h32mxclk->pmc, AT91_PMC_MCKR) & AT91_PMC_H32MXDIV)
+ regmap_read(h32mxclk->regmap, AT91_PMC_MCKR, &mckr);
+ if (mckr & AT91_PMC_H32MXDIV)
return parent_rate / 2;
if (parent_rate > H32MX_MAX_FREQ)
@@ -70,18 +66,16 @@ static int clk_sama5d4_h32mx_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct clk_sama5d4_h32mx *h32mxclk = to_clk_sama5d4_h32mx(hw);
- struct at91_pmc *pmc = h32mxclk->pmc;
- u32 tmp;
+ u32 mckr = 0;
if (parent_rate != rate && (parent_rate / 2) != rate)
return -EINVAL;
- pmc_lock(pmc);
- tmp = pmc_read(pmc, AT91_PMC_MCKR) & ~AT91_PMC_H32MXDIV;
if ((parent_rate / 2) == rate)
- tmp |= AT91_PMC_H32MXDIV;
- pmc_write(pmc, AT91_PMC_MCKR, tmp);
- pmc_unlock(pmc);
+ mckr = AT91_PMC_H32MXDIV;
+
+ regmap_update_bits(h32mxclk->regmap, AT91_PMC_MCKR,
+ AT91_PMC_H32MXDIV, mckr);
return 0;
}
@@ -92,14 +86,18 @@ static const struct clk_ops h32mx_ops = {
.set_rate = clk_sama5d4_h32mx_set_rate,
};
-void __init of_sama5d4_clk_h32mx_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_sama5d4_clk_h32mx_setup(struct device_node *np)
{
struct clk_sama5d4_h32mx *h32mxclk;
struct clk_init_data init;
const char *parent_name;
+ struct regmap *regmap;
struct clk *clk;
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
+
h32mxclk = kzalloc(sizeof(*h32mxclk), GFP_KERNEL);
if (!h32mxclk)
return;
@@ -113,7 +111,7 @@ void __init of_sama5d4_clk_h32mx_setup(struct device_node *np,
init.flags = CLK_SET_RATE_GATE;
h32mxclk->hw.init = &init;
- h32mxclk->pmc = pmc;
+ h32mxclk->regmap = regmap;
clk = clk_register(NULL, &h32mxclk->hw);
if (!clk) {
@@ -123,3 +121,5 @@ void __init of_sama5d4_clk_h32mx_setup(struct device_node *np,
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
+CLK_OF_DECLARE(of_sama5d4_clk_h32mx_setup, "atmel,sama5d4-clk-h32mx",
+ of_sama5d4_clk_h32mx_setup);
diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c
index fd7247deabdc..58b5baca670c 100644
--- a/drivers/clk/at91/clk-main.c
+++ b/drivers/clk/at91/clk-main.c
@@ -13,13 +13,8 @@
#include <linux/clk/at91_pmc.h>
#include <linux/delay.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/io.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "pmc.h"
@@ -34,18 +29,14 @@
struct clk_main_osc {
struct clk_hw hw;
- struct at91_pmc *pmc;
- unsigned int irq;
- wait_queue_head_t wait;
+ struct regmap *regmap;
};
#define to_clk_main_osc(hw) container_of(hw, struct clk_main_osc, hw)
struct clk_main_rc_osc {
struct clk_hw hw;
- struct at91_pmc *pmc;
- unsigned int irq;
- wait_queue_head_t wait;
+ struct regmap *regmap;
unsigned long frequency;
unsigned long accuracy;
};
@@ -54,51 +45,47 @@ struct clk_main_rc_osc {
struct clk_rm9200_main {
struct clk_hw hw;
- struct at91_pmc *pmc;
+ struct regmap *regmap;
};
#define to_clk_rm9200_main(hw) container_of(hw, struct clk_rm9200_main, hw)
struct clk_sam9x5_main {
struct clk_hw hw;
- struct at91_pmc *pmc;
- unsigned int irq;
- wait_queue_head_t wait;
+ struct regmap *regmap;
u8 parent;
};
#define to_clk_sam9x5_main(hw) container_of(hw, struct clk_sam9x5_main, hw)
-static irqreturn_t clk_main_osc_irq_handler(int irq, void *dev_id)
+static inline bool clk_main_osc_ready(struct regmap *regmap)
{
- struct clk_main_osc *osc = dev_id;
+ unsigned int status;
- wake_up(&osc->wait);
- disable_irq_nosync(osc->irq);
+ regmap_read(regmap, AT91_PMC_SR, &status);
- return IRQ_HANDLED;
+ return status & AT91_PMC_MOSCS;
}
static int clk_main_osc_prepare(struct clk_hw *hw)
{
struct clk_main_osc *osc = to_clk_main_osc(hw);
- struct at91_pmc *pmc = osc->pmc;
+ struct regmap *regmap = osc->regmap;
u32 tmp;
- tmp = pmc_read(pmc, AT91_CKGR_MOR) & ~MOR_KEY_MASK;
+ regmap_read(regmap, AT91_CKGR_MOR, &tmp);
+ tmp &= ~MOR_KEY_MASK;
+
if (tmp & AT91_PMC_OSCBYPASS)
return 0;
if (!(tmp & AT91_PMC_MOSCEN)) {
tmp |= AT91_PMC_MOSCEN | AT91_PMC_KEY;
- pmc_write(pmc, AT91_CKGR_MOR, tmp);
+ regmap_write(regmap, AT91_CKGR_MOR, tmp);
}
- while (!(pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_MOSCS)) {
- enable_irq(osc->irq);
- wait_event(osc->wait,
- pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_MOSCS);
- }
+ while (!clk_main_osc_ready(regmap))
+ cpu_relax();
return 0;
}
@@ -106,9 +93,10 @@ static int clk_main_osc_prepare(struct clk_hw *hw)
static void clk_main_osc_unprepare(struct clk_hw *hw)
{
struct clk_main_osc *osc = to_clk_main_osc(hw);
- struct at91_pmc *pmc = osc->pmc;
- u32 tmp = pmc_read(pmc, AT91_CKGR_MOR);
+ struct regmap *regmap = osc->regmap;
+ u32 tmp;
+ regmap_read(regmap, AT91_CKGR_MOR, &tmp);
if (tmp & AT91_PMC_OSCBYPASS)
return;
@@ -116,20 +104,22 @@ static void clk_main_osc_unprepare(struct clk_hw *hw)
return;
tmp &= ~(AT91_PMC_KEY | AT91_PMC_MOSCEN);
- pmc_write(pmc, AT91_CKGR_MOR, tmp | AT91_PMC_KEY);
+ regmap_write(regmap, AT91_CKGR_MOR, tmp | AT91_PMC_KEY);
}
static int clk_main_osc_is_prepared(struct clk_hw *hw)
{
struct clk_main_osc *osc = to_clk_main_osc(hw);
- struct at91_pmc *pmc = osc->pmc;
- u32 tmp = pmc_read(pmc, AT91_CKGR_MOR);
+ struct regmap *regmap = osc->regmap;
+ u32 tmp, status;
+ regmap_read(regmap, AT91_CKGR_MOR, &tmp);
if (tmp & AT91_PMC_OSCBYPASS)
return 1;
- return !!((pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_MOSCS) &&
- (pmc_read(pmc, AT91_CKGR_MOR) & AT91_PMC_MOSCEN));
+ regmap_read(regmap, AT91_PMC_SR, &status);
+
+ return (status & AT91_PMC_MOSCS) && (tmp & AT91_PMC_MOSCEN);
}
static const struct clk_ops main_osc_ops = {
@@ -139,18 +129,16 @@ static const struct clk_ops main_osc_ops = {
};
static struct clk * __init
-at91_clk_register_main_osc(struct at91_pmc *pmc,
- unsigned int irq,
+at91_clk_register_main_osc(struct regmap *regmap,
const char *name,
const char *parent_name,
bool bypass)
{
- int ret;
struct clk_main_osc *osc;
struct clk *clk = NULL;
struct clk_init_data init;
- if (!pmc || !irq || !name || !parent_name)
+ if (!name || !parent_name)
return ERR_PTR(-EINVAL);
osc = kzalloc(sizeof(*osc), GFP_KERNEL);
@@ -164,85 +152,70 @@ at91_clk_register_main_osc(struct at91_pmc *pmc,
init.flags = CLK_IGNORE_UNUSED;
osc->hw.init = &init;
- osc->pmc = pmc;
- osc->irq = irq;
-
- init_waitqueue_head(&osc->wait);
- irq_set_status_flags(osc->irq, IRQ_NOAUTOEN);
- ret = request_irq(osc->irq, clk_main_osc_irq_handler,
- IRQF_TRIGGER_HIGH, name, osc);
- if (ret) {
- kfree(osc);
- return ERR_PTR(ret);
- }
+ osc->regmap = regmap;
if (bypass)
- pmc_write(pmc, AT91_CKGR_MOR,
- (pmc_read(pmc, AT91_CKGR_MOR) &
- ~(MOR_KEY_MASK | AT91_PMC_MOSCEN)) |
- AT91_PMC_OSCBYPASS | AT91_PMC_KEY);
+ regmap_update_bits(regmap,
+ AT91_CKGR_MOR, MOR_KEY_MASK |
+ AT91_PMC_MOSCEN,
+ AT91_PMC_OSCBYPASS | AT91_PMC_KEY);
clk = clk_register(NULL, &osc->hw);
- if (IS_ERR(clk)) {
- free_irq(irq, osc);
+ if (IS_ERR(clk))
kfree(osc);
- }
return clk;
}
-void __init of_at91rm9200_clk_main_osc_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91rm9200_clk_main_osc_setup(struct device_node *np)
{
struct clk *clk;
- unsigned int irq;
const char *name = np->name;
const char *parent_name;
+ struct regmap *regmap;
bool bypass;
of_property_read_string(np, "clock-output-names", &name);
bypass = of_property_read_bool(np, "atmel,osc-bypass");
parent_name = of_clk_get_parent_name(np, 0);
- irq = irq_of_parse_and_map(np, 0);
- if (!irq)
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
return;
- clk = at91_clk_register_main_osc(pmc, irq, name, parent_name, bypass);
+ clk = at91_clk_register_main_osc(regmap, name, parent_name, bypass);
if (IS_ERR(clk))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
+CLK_OF_DECLARE(at91rm9200_clk_main_osc, "atmel,at91rm9200-clk-main-osc",
+ of_at91rm9200_clk_main_osc_setup);
-static irqreturn_t clk_main_rc_osc_irq_handler(int irq, void *dev_id)
+static bool clk_main_rc_osc_ready(struct regmap *regmap)
{
- struct clk_main_rc_osc *osc = dev_id;
+ unsigned int status;
- wake_up(&osc->wait);
- disable_irq_nosync(osc->irq);
+ regmap_read(regmap, AT91_PMC_SR, &status);
- return IRQ_HANDLED;
+ return status & AT91_PMC_MOSCRCS;
}
static int clk_main_rc_osc_prepare(struct clk_hw *hw)
{
struct clk_main_rc_osc *osc = to_clk_main_rc_osc(hw);
- struct at91_pmc *pmc = osc->pmc;
- u32 tmp;
+ struct regmap *regmap = osc->regmap;
+ unsigned int mor;
- tmp = pmc_read(pmc, AT91_CKGR_MOR) & ~MOR_KEY_MASK;
+ regmap_read(regmap, AT91_CKGR_MOR, &mor);
- if (!(tmp & AT91_PMC_MOSCRCEN)) {
- tmp |= AT91_PMC_MOSCRCEN | AT91_PMC_KEY;
- pmc_write(pmc, AT91_CKGR_MOR, tmp);
- }
+ if (!(mor & AT91_PMC_MOSCRCEN))
+ regmap_update_bits(regmap, AT91_CKGR_MOR,
+ MOR_KEY_MASK | AT91_PMC_MOSCRCEN,
+ AT91_PMC_MOSCRCEN | AT91_PMC_KEY);
- while (!(pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_MOSCRCS)) {
- enable_irq(osc->irq);
- wait_event(osc->wait,
- pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_MOSCRCS);
- }
+ while (!clk_main_rc_osc_ready(regmap))
+ cpu_relax();
return 0;
}
@@ -250,23 +223,28 @@ static int clk_main_rc_osc_prepare(struct clk_hw *hw)
static void clk_main_rc_osc_unprepare(struct clk_hw *hw)
{
struct clk_main_rc_osc *osc = to_clk_main_rc_osc(hw);
- struct at91_pmc *pmc = osc->pmc;
- u32 tmp = pmc_read(pmc, AT91_CKGR_MOR);
+ struct regmap *regmap = osc->regmap;
+ unsigned int mor;
+
+ regmap_read(regmap, AT91_CKGR_MOR, &mor);
- if (!(tmp & AT91_PMC_MOSCRCEN))
+ if (!(mor & AT91_PMC_MOSCRCEN))
return;
- tmp &= ~(MOR_KEY_MASK | AT91_PMC_MOSCRCEN);
- pmc_write(pmc, AT91_CKGR_MOR, tmp | AT91_PMC_KEY);
+ regmap_update_bits(regmap, AT91_CKGR_MOR,
+ MOR_KEY_MASK | AT91_PMC_MOSCRCEN, AT91_PMC_KEY);
}
static int clk_main_rc_osc_is_prepared(struct clk_hw *hw)
{
struct clk_main_rc_osc *osc = to_clk_main_rc_osc(hw);
- struct at91_pmc *pmc = osc->pmc;
+ struct regmap *regmap = osc->regmap;
+ unsigned int mor, status;
- return !!((pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_MOSCRCS) &&
- (pmc_read(pmc, AT91_CKGR_MOR) & AT91_PMC_MOSCRCEN));
+ regmap_read(regmap, AT91_CKGR_MOR, &mor);
+ regmap_read(regmap, AT91_PMC_SR, &status);
+
+ return (mor & AT91_PMC_MOSCRCEN) && (status & AT91_PMC_MOSCRCS);
}
static unsigned long clk_main_rc_osc_recalc_rate(struct clk_hw *hw,
@@ -294,17 +272,15 @@ static const struct clk_ops main_rc_osc_ops = {
};
static struct clk * __init
-at91_clk_register_main_rc_osc(struct at91_pmc *pmc,
- unsigned int irq,
+at91_clk_register_main_rc_osc(struct regmap *regmap,
const char *name,
u32 frequency, u32 accuracy)
{
- int ret;
struct clk_main_rc_osc *osc;
struct clk *clk = NULL;
struct clk_init_data init;
- if (!pmc || !irq || !name || !frequency)
+ if (!name || !frequency)
return ERR_PTR(-EINVAL);
osc = kzalloc(sizeof(*osc), GFP_KERNEL);
@@ -315,66 +291,56 @@ at91_clk_register_main_rc_osc(struct at91_pmc *pmc,
init.ops = &main_rc_osc_ops;
init.parent_names = NULL;
init.num_parents = 0;
- init.flags = CLK_IS_ROOT | CLK_IGNORE_UNUSED;
+ init.flags = CLK_IGNORE_UNUSED;
osc->hw.init = &init;
- osc->pmc = pmc;
- osc->irq = irq;
+ osc->regmap = regmap;
osc->frequency = frequency;
osc->accuracy = accuracy;
- init_waitqueue_head(&osc->wait);
- irq_set_status_flags(osc->irq, IRQ_NOAUTOEN);
- ret = request_irq(osc->irq, clk_main_rc_osc_irq_handler,
- IRQF_TRIGGER_HIGH, name, osc);
- if (ret)
- return ERR_PTR(ret);
-
clk = clk_register(NULL, &osc->hw);
- if (IS_ERR(clk)) {
- free_irq(irq, osc);
+ if (IS_ERR(clk))
kfree(osc);
- }
return clk;
}
-void __init of_at91sam9x5_clk_main_rc_osc_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91sam9x5_clk_main_rc_osc_setup(struct device_node *np)
{
struct clk *clk;
- unsigned int irq;
u32 frequency = 0;
u32 accuracy = 0;
const char *name = np->name;
+ struct regmap *regmap;
of_property_read_string(np, "clock-output-names", &name);
of_property_read_u32(np, "clock-frequency", &frequency);
of_property_read_u32(np, "clock-accuracy", &accuracy);
- irq = irq_of_parse_and_map(np, 0);
- if (!irq)
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
return;
- clk = at91_clk_register_main_rc_osc(pmc, irq, name, frequency,
- accuracy);
+ clk = at91_clk_register_main_rc_osc(regmap, name, frequency, accuracy);
if (IS_ERR(clk))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
+CLK_OF_DECLARE(at91sam9x5_clk_main_rc_osc, "atmel,at91sam9x5-clk-main-rc-osc",
+ of_at91sam9x5_clk_main_rc_osc_setup);
-static int clk_main_probe_frequency(struct at91_pmc *pmc)
+static int clk_main_probe_frequency(struct regmap *regmap)
{
unsigned long prep_time, timeout;
- u32 tmp;
+ unsigned int mcfr;
timeout = jiffies + usecs_to_jiffies(MAINFRDY_TIMEOUT);
do {
prep_time = jiffies;
- tmp = pmc_read(pmc, AT91_CKGR_MCFR);
- if (tmp & AT91_PMC_MAINRDY)
+ regmap_read(regmap, AT91_CKGR_MCFR, &mcfr);
+ if (mcfr & AT91_PMC_MAINRDY)
return 0;
usleep_range(MAINF_LOOP_MIN_WAIT, MAINF_LOOP_MAX_WAIT);
} while (time_before(prep_time, timeout));
@@ -382,34 +348,37 @@ static int clk_main_probe_frequency(struct at91_pmc *pmc)
return -ETIMEDOUT;
}
-static unsigned long clk_main_recalc_rate(struct at91_pmc *pmc,
+static unsigned long clk_main_recalc_rate(struct regmap *regmap,
unsigned long parent_rate)
{
- u32 tmp;
+ unsigned int mcfr;
if (parent_rate)
return parent_rate;
pr_warn("Main crystal frequency not set, using approximate value\n");
- tmp = pmc_read(pmc, AT91_CKGR_MCFR);
- if (!(tmp & AT91_PMC_MAINRDY))
+ regmap_read(regmap, AT91_CKGR_MCFR, &mcfr);
+ if (!(mcfr & AT91_PMC_MAINRDY))
return 0;
- return ((tmp & AT91_PMC_MAINF) * SLOW_CLOCK_FREQ) / MAINF_DIV;
+ return ((mcfr & AT91_PMC_MAINF) * SLOW_CLOCK_FREQ) / MAINF_DIV;
}
static int clk_rm9200_main_prepare(struct clk_hw *hw)
{
struct clk_rm9200_main *clkmain = to_clk_rm9200_main(hw);
- return clk_main_probe_frequency(clkmain->pmc);
+ return clk_main_probe_frequency(clkmain->regmap);
}
static int clk_rm9200_main_is_prepared(struct clk_hw *hw)
{
struct clk_rm9200_main *clkmain = to_clk_rm9200_main(hw);
+ unsigned int status;
+
+ regmap_read(clkmain->regmap, AT91_CKGR_MCFR, &status);
- return !!(pmc_read(clkmain->pmc, AT91_CKGR_MCFR) & AT91_PMC_MAINRDY);
+ return status & AT91_PMC_MAINRDY ? 1 : 0;
}
static unsigned long clk_rm9200_main_recalc_rate(struct clk_hw *hw,
@@ -417,7 +386,7 @@ static unsigned long clk_rm9200_main_recalc_rate(struct clk_hw *hw,
{
struct clk_rm9200_main *clkmain = to_clk_rm9200_main(hw);
- return clk_main_recalc_rate(clkmain->pmc, parent_rate);
+ return clk_main_recalc_rate(clkmain->regmap, parent_rate);
}
static const struct clk_ops rm9200_main_ops = {
@@ -427,7 +396,7 @@ static const struct clk_ops rm9200_main_ops = {
};
static struct clk * __init
-at91_clk_register_rm9200_main(struct at91_pmc *pmc,
+at91_clk_register_rm9200_main(struct regmap *regmap,
const char *name,
const char *parent_name)
{
@@ -435,7 +404,7 @@ at91_clk_register_rm9200_main(struct at91_pmc *pmc,
struct clk *clk = NULL;
struct clk_init_data init;
- if (!pmc || !name)
+ if (!name)
return ERR_PTR(-EINVAL);
if (!parent_name)
@@ -452,7 +421,7 @@ at91_clk_register_rm9200_main(struct at91_pmc *pmc,
init.flags = 0;
clkmain->hw.init = &init;
- clkmain->pmc = pmc;
+ clkmain->regmap = regmap;
clk = clk_register(NULL, &clkmain->hw);
if (IS_ERR(clk))
@@ -461,52 +430,54 @@ at91_clk_register_rm9200_main(struct at91_pmc *pmc,
return clk;
}
-void __init of_at91rm9200_clk_main_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91rm9200_clk_main_setup(struct device_node *np)
{
struct clk *clk;
const char *parent_name;
const char *name = np->name;
+ struct regmap *regmap;
parent_name = of_clk_get_parent_name(np, 0);
of_property_read_string(np, "clock-output-names", &name);
- clk = at91_clk_register_rm9200_main(pmc, name, parent_name);
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
+
+ clk = at91_clk_register_rm9200_main(regmap, name, parent_name);
if (IS_ERR(clk))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
+CLK_OF_DECLARE(at91rm9200_clk_main, "atmel,at91rm9200-clk-main",
+ of_at91rm9200_clk_main_setup);
-static irqreturn_t clk_sam9x5_main_irq_handler(int irq, void *dev_id)
+static inline bool clk_sam9x5_main_ready(struct regmap *regmap)
{
- struct clk_sam9x5_main *clkmain = dev_id;
+ unsigned int status;
- wake_up(&clkmain->wait);
- disable_irq_nosync(clkmain->irq);
+ regmap_read(regmap, AT91_PMC_SR, &status);
- return IRQ_HANDLED;
+ return status & AT91_PMC_MOSCSELS ? 1 : 0;
}
static int clk_sam9x5_main_prepare(struct clk_hw *hw)
{
struct clk_sam9x5_main *clkmain = to_clk_sam9x5_main(hw);
- struct at91_pmc *pmc = clkmain->pmc;
+ struct regmap *regmap = clkmain->regmap;
- while (!(pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_MOSCSELS)) {
- enable_irq(clkmain->irq);
- wait_event(clkmain->wait,
- pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_MOSCSELS);
- }
+ while (!clk_sam9x5_main_ready(regmap))
+ cpu_relax();
- return clk_main_probe_frequency(pmc);
+ return clk_main_probe_frequency(regmap);
}
static int clk_sam9x5_main_is_prepared(struct clk_hw *hw)
{
struct clk_sam9x5_main *clkmain = to_clk_sam9x5_main(hw);
- return !!(pmc_read(clkmain->pmc, AT91_PMC_SR) & AT91_PMC_MOSCSELS);
+ return clk_sam9x5_main_ready(clkmain->regmap);
}
static unsigned long clk_sam9x5_main_recalc_rate(struct clk_hw *hw,
@@ -514,30 +485,28 @@ static unsigned long clk_sam9x5_main_recalc_rate(struct clk_hw *hw,
{
struct clk_sam9x5_main *clkmain = to_clk_sam9x5_main(hw);
- return clk_main_recalc_rate(clkmain->pmc, parent_rate);
+ return clk_main_recalc_rate(clkmain->regmap, parent_rate);
}
static int clk_sam9x5_main_set_parent(struct clk_hw *hw, u8 index)
{
struct clk_sam9x5_main *clkmain = to_clk_sam9x5_main(hw);
- struct at91_pmc *pmc = clkmain->pmc;
- u32 tmp;
+ struct regmap *regmap = clkmain->regmap;
+ unsigned int tmp;
if (index > 1)
return -EINVAL;
- tmp = pmc_read(pmc, AT91_CKGR_MOR) & ~MOR_KEY_MASK;
+ regmap_read(regmap, AT91_CKGR_MOR, &tmp);
+ tmp &= ~MOR_KEY_MASK;
if (index && !(tmp & AT91_PMC_MOSCSEL))
- pmc_write(pmc, AT91_CKGR_MOR, tmp | AT91_PMC_MOSCSEL);
+ regmap_write(regmap, AT91_CKGR_MOR, tmp | AT91_PMC_MOSCSEL);
else if (!index && (tmp & AT91_PMC_MOSCSEL))
- pmc_write(pmc, AT91_CKGR_MOR, tmp & ~AT91_PMC_MOSCSEL);
+ regmap_write(regmap, AT91_CKGR_MOR, tmp & ~AT91_PMC_MOSCSEL);
- while (!(pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_MOSCSELS)) {
- enable_irq(clkmain->irq);
- wait_event(clkmain->wait,
- pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_MOSCSELS);
- }
+ while (!clk_sam9x5_main_ready(regmap))
+ cpu_relax();
return 0;
}
@@ -545,8 +514,11 @@ static int clk_sam9x5_main_set_parent(struct clk_hw *hw, u8 index)
static u8 clk_sam9x5_main_get_parent(struct clk_hw *hw)
{
struct clk_sam9x5_main *clkmain = to_clk_sam9x5_main(hw);
+ unsigned int status;
+
+ regmap_read(clkmain->regmap, AT91_CKGR_MOR, &status);
- return !!(pmc_read(clkmain->pmc, AT91_CKGR_MOR) & AT91_PMC_MOSCEN);
+ return status & AT91_PMC_MOSCEN ? 1 : 0;
}
static const struct clk_ops sam9x5_main_ops = {
@@ -558,18 +530,17 @@ static const struct clk_ops sam9x5_main_ops = {
};
static struct clk * __init
-at91_clk_register_sam9x5_main(struct at91_pmc *pmc,
- unsigned int irq,
+at91_clk_register_sam9x5_main(struct regmap *regmap,
const char *name,
const char **parent_names,
int num_parents)
{
- int ret;
struct clk_sam9x5_main *clkmain;
struct clk *clk = NULL;
struct clk_init_data init;
+ unsigned int status;
- if (!pmc || !irq || !name)
+ if (!name)
return ERR_PTR(-EINVAL);
if (!parent_names || !num_parents)
@@ -586,51 +557,42 @@ at91_clk_register_sam9x5_main(struct at91_pmc *pmc,
init.flags = CLK_SET_PARENT_GATE;
clkmain->hw.init = &init;
- clkmain->pmc = pmc;
- clkmain->irq = irq;
- clkmain->parent = !!(pmc_read(clkmain->pmc, AT91_CKGR_MOR) &
- AT91_PMC_MOSCEN);
- init_waitqueue_head(&clkmain->wait);
- irq_set_status_flags(clkmain->irq, IRQ_NOAUTOEN);
- ret = request_irq(clkmain->irq, clk_sam9x5_main_irq_handler,
- IRQF_TRIGGER_HIGH, name, clkmain);
- if (ret)
- return ERR_PTR(ret);
+ clkmain->regmap = regmap;
+ regmap_read(clkmain->regmap, AT91_CKGR_MOR, &status);
+ clkmain->parent = status & AT91_PMC_MOSCEN ? 1 : 0;
clk = clk_register(NULL, &clkmain->hw);
- if (IS_ERR(clk)) {
- free_irq(clkmain->irq, clkmain);
+ if (IS_ERR(clk))
kfree(clkmain);
- }
return clk;
}
-void __init of_at91sam9x5_clk_main_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91sam9x5_clk_main_setup(struct device_node *np)
{
struct clk *clk;
const char *parent_names[2];
- int num_parents;
- unsigned int irq;
+ unsigned int num_parents;
const char *name = np->name;
+ struct regmap *regmap;
num_parents = of_clk_get_parent_count(np);
- if (num_parents <= 0 || num_parents > 2)
+ if (num_parents == 0 || num_parents > 2)
return;
of_clk_parent_fill(np, parent_names, num_parents);
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
of_property_read_string(np, "clock-output-names", &name);
- irq = irq_of_parse_and_map(np, 0);
- if (!irq)
- return;
-
- clk = at91_clk_register_sam9x5_main(pmc, irq, name, parent_names,
+ clk = at91_clk_register_sam9x5_main(regmap, name, parent_names,
num_parents);
if (IS_ERR(clk))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
+CLK_OF_DECLARE(at91sam9x5_clk_main, "atmel,at91sam9x5-clk-main",
+ of_at91sam9x5_clk_main_setup);
diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c
index 620ea323356b..d1021e106191 100644
--- a/drivers/clk/at91/clk-master.c
+++ b/drivers/clk/at91/clk-master.c
@@ -12,13 +12,8 @@
#include <linux/clkdev.h>
#include <linux/clk/at91_pmc.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/io.h>
-#include <linux/wait.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "pmc.h"
@@ -44,32 +39,26 @@ struct clk_master_layout {
struct clk_master {
struct clk_hw hw;
- struct at91_pmc *pmc;
- unsigned int irq;
- wait_queue_head_t wait;
+ struct regmap *regmap;
const struct clk_master_layout *layout;
const struct clk_master_characteristics *characteristics;
};
-static irqreturn_t clk_master_irq_handler(int irq, void *dev_id)
+static inline bool clk_master_ready(struct regmap *regmap)
{
- struct clk_master *master = (struct clk_master *)dev_id;
+ unsigned int status;
- wake_up(&master->wait);
- disable_irq_nosync(master->irq);
+ regmap_read(regmap, AT91_PMC_SR, &status);
- return IRQ_HANDLED;
+ return status & AT91_PMC_MCKRDY ? 1 : 0;
}
+
static int clk_master_prepare(struct clk_hw *hw)
{
struct clk_master *master = to_clk_master(hw);
- struct at91_pmc *pmc = master->pmc;
- while (!(pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_MCKRDY)) {
- enable_irq(master->irq);
- wait_event(master->wait,
- pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_MCKRDY);
- }
+ while (!clk_master_ready(master->regmap))
+ cpu_relax();
return 0;
}
@@ -78,7 +67,7 @@ static int clk_master_is_prepared(struct clk_hw *hw)
{
struct clk_master *master = to_clk_master(hw);
- return !!(pmc_read(master->pmc, AT91_PMC_SR) & AT91_PMC_MCKRDY);
+ return clk_master_ready(master->regmap);
}
static unsigned long clk_master_recalc_rate(struct clk_hw *hw,
@@ -88,18 +77,16 @@ static unsigned long clk_master_recalc_rate(struct clk_hw *hw,
u8 div;
unsigned long rate = parent_rate;
struct clk_master *master = to_clk_master(hw);
- struct at91_pmc *pmc = master->pmc;
const struct clk_master_layout *layout = master->layout;
const struct clk_master_characteristics *characteristics =
master->characteristics;
- u32 tmp;
+ unsigned int mckr;
- pmc_lock(pmc);
- tmp = pmc_read(pmc, AT91_PMC_MCKR) & layout->mask;
- pmc_unlock(pmc);
+ regmap_read(master->regmap, AT91_PMC_MCKR, &mckr);
+ mckr &= layout->mask;
- pres = (tmp >> layout->pres_shift) & MASTER_PRES_MASK;
- div = (tmp >> MASTER_DIV_SHIFT) & MASTER_DIV_MASK;
+ pres = (mckr >> layout->pres_shift) & MASTER_PRES_MASK;
+ div = (mckr >> MASTER_DIV_SHIFT) & MASTER_DIV_MASK;
if (characteristics->have_div3_pres && pres == MASTER_PRES_MAX)
rate /= 3;
@@ -119,9 +106,11 @@ static unsigned long clk_master_recalc_rate(struct clk_hw *hw,
static u8 clk_master_get_parent(struct clk_hw *hw)
{
struct clk_master *master = to_clk_master(hw);
- struct at91_pmc *pmc = master->pmc;
+ unsigned int mckr;
- return pmc_read(pmc, AT91_PMC_MCKR) & AT91_PMC_CSS;
+ regmap_read(master->regmap, AT91_PMC_MCKR, &mckr);
+
+ return mckr & AT91_PMC_CSS;
}
static const struct clk_ops master_ops = {
@@ -132,18 +121,17 @@ static const struct clk_ops master_ops = {
};
static struct clk * __init
-at91_clk_register_master(struct at91_pmc *pmc, unsigned int irq,
+at91_clk_register_master(struct regmap *regmap,
const char *name, int num_parents,
const char **parent_names,
const struct clk_master_layout *layout,
const struct clk_master_characteristics *characteristics)
{
- int ret;
struct clk_master *master;
struct clk *clk = NULL;
struct clk_init_data init;
- if (!pmc || !irq || !name || !num_parents || !parent_names)
+ if (!name || !num_parents || !parent_names)
return ERR_PTR(-EINVAL);
master = kzalloc(sizeof(*master), GFP_KERNEL);
@@ -159,20 +147,10 @@ at91_clk_register_master(struct at91_pmc *pmc, unsigned int irq,
master->hw.init = &init;
master->layout = layout;
master->characteristics = characteristics;
- master->pmc = pmc;
- master->irq = irq;
- init_waitqueue_head(&master->wait);
- irq_set_status_flags(master->irq, IRQ_NOAUTOEN);
- ret = request_irq(master->irq, clk_master_irq_handler,
- IRQF_TRIGGER_HIGH, "clk-master", master);
- if (ret) {
- kfree(master);
- return ERR_PTR(ret);
- }
+ master->regmap = regmap;
clk = clk_register(NULL, &master->hw);
if (IS_ERR(clk)) {
- free_irq(master->irq, master);
kfree(master);
}
@@ -217,18 +195,18 @@ out_free_characteristics:
}
static void __init
-of_at91_clk_master_setup(struct device_node *np, struct at91_pmc *pmc,
+of_at91_clk_master_setup(struct device_node *np,
const struct clk_master_layout *layout)
{
struct clk *clk;
- int num_parents;
- unsigned int irq;
+ unsigned int num_parents;
const char *parent_names[MASTER_SOURCE_MAX];
const char *name = np->name;
struct clk_master_characteristics *characteristics;
+ struct regmap *regmap;
num_parents = of_clk_get_parent_count(np);
- if (num_parents <= 0 || num_parents > MASTER_SOURCE_MAX)
+ if (num_parents == 0 || num_parents > MASTER_SOURCE_MAX)
return;
of_clk_parent_fill(np, parent_names, num_parents);
@@ -239,11 +217,11 @@ of_at91_clk_master_setup(struct device_node *np, struct at91_pmc *pmc,
if (!characteristics)
return;
- irq = irq_of_parse_and_map(np, 0);
- if (!irq)
- goto out_free_characteristics;
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
- clk = at91_clk_register_master(pmc, irq, name, num_parents,
+ clk = at91_clk_register_master(regmap, name, num_parents,
parent_names, layout,
characteristics);
if (IS_ERR(clk))
@@ -256,14 +234,16 @@ out_free_characteristics:
kfree(characteristics);
}
-void __init of_at91rm9200_clk_master_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91rm9200_clk_master_setup(struct device_node *np)
{
- of_at91_clk_master_setup(np, pmc, &at91rm9200_master_layout);
+ of_at91_clk_master_setup(np, &at91rm9200_master_layout);
}
+CLK_OF_DECLARE(at91rm9200_clk_master, "atmel,at91rm9200-clk-master",
+ of_at91rm9200_clk_master_setup);
-void __init of_at91sam9x5_clk_master_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91sam9x5_clk_master_setup(struct device_node *np)
{
- of_at91_clk_master_setup(np, pmc, &at91sam9x5_master_layout);
+ of_at91_clk_master_setup(np, &at91sam9x5_master_layout);
}
+CLK_OF_DECLARE(at91sam9x5_clk_master, "atmel,at91sam9x5-clk-master",
+ of_at91sam9x5_clk_master_setup);
diff --git a/drivers/clk/at91/clk-peripheral.c b/drivers/clk/at91/clk-peripheral.c
index 58f3b568e9cb..fd160728e990 100644
--- a/drivers/clk/at91/clk-peripheral.c
+++ b/drivers/clk/at91/clk-peripheral.c
@@ -12,11 +12,13 @@
#include <linux/clkdev.h>
#include <linux/clk/at91_pmc.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/io.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "pmc.h"
+DEFINE_SPINLOCK(pmc_pcr_lock);
+
#define PERIPHERAL_MAX 64
#define PERIPHERAL_AT91RM9200 0
@@ -33,7 +35,7 @@
struct clk_peripheral {
struct clk_hw hw;
- struct at91_pmc *pmc;
+ struct regmap *regmap;
u32 id;
};
@@ -41,8 +43,9 @@ struct clk_peripheral {
struct clk_sam9x5_peripheral {
struct clk_hw hw;
- struct at91_pmc *pmc;
+ struct regmap *regmap;
struct clk_range range;
+ spinlock_t *lock;
u32 id;
u32 div;
bool auto_div;
@@ -54,7 +57,6 @@ struct clk_sam9x5_peripheral {
static int clk_peripheral_enable(struct clk_hw *hw)
{
struct clk_peripheral *periph = to_clk_peripheral(hw);
- struct at91_pmc *pmc = periph->pmc;
int offset = AT91_PMC_PCER;
u32 id = periph->id;
@@ -62,14 +64,14 @@ static int clk_peripheral_enable(struct clk_hw *hw)
return 0;
if (id > PERIPHERAL_ID_MAX)
offset = AT91_PMC_PCER1;
- pmc_write(pmc, offset, PERIPHERAL_MASK(id));
+ regmap_write(periph->regmap, offset, PERIPHERAL_MASK(id));
+
return 0;
}
static void clk_peripheral_disable(struct clk_hw *hw)
{
struct clk_peripheral *periph = to_clk_peripheral(hw);
- struct at91_pmc *pmc = periph->pmc;
int offset = AT91_PMC_PCDR;
u32 id = periph->id;
@@ -77,21 +79,23 @@ static void clk_peripheral_disable(struct clk_hw *hw)
return;
if (id > PERIPHERAL_ID_MAX)
offset = AT91_PMC_PCDR1;
- pmc_write(pmc, offset, PERIPHERAL_MASK(id));
+ regmap_write(periph->regmap, offset, PERIPHERAL_MASK(id));
}
static int clk_peripheral_is_enabled(struct clk_hw *hw)
{
struct clk_peripheral *periph = to_clk_peripheral(hw);
- struct at91_pmc *pmc = periph->pmc;
int offset = AT91_PMC_PCSR;
+ unsigned int status;
u32 id = periph->id;
if (id < PERIPHERAL_ID_MIN)
return 1;
if (id > PERIPHERAL_ID_MAX)
offset = AT91_PMC_PCSR1;
- return !!(pmc_read(pmc, offset) & PERIPHERAL_MASK(id));
+ regmap_read(periph->regmap, offset, &status);
+
+ return status & PERIPHERAL_MASK(id) ? 1 : 0;
}
static const struct clk_ops peripheral_ops = {
@@ -101,14 +105,14 @@ static const struct clk_ops peripheral_ops = {
};
static struct clk * __init
-at91_clk_register_peripheral(struct at91_pmc *pmc, const char *name,
+at91_clk_register_peripheral(struct regmap *regmap, const char *name,
const char *parent_name, u32 id)
{
struct clk_peripheral *periph;
struct clk *clk = NULL;
struct clk_init_data init;
- if (!pmc || !name || !parent_name || id > PERIPHERAL_ID_MAX)
+ if (!name || !parent_name || id > PERIPHERAL_ID_MAX)
return ERR_PTR(-EINVAL);
periph = kzalloc(sizeof(*periph), GFP_KERNEL);
@@ -123,7 +127,7 @@ at91_clk_register_peripheral(struct at91_pmc *pmc, const char *name,
periph->id = id;
periph->hw.init = &init;
- periph->pmc = pmc;
+ periph->regmap = regmap;
clk = clk_register(NULL, &periph->hw);
if (IS_ERR(clk))
@@ -160,53 +164,58 @@ static void clk_sam9x5_peripheral_autodiv(struct clk_sam9x5_peripheral *periph)
static int clk_sam9x5_peripheral_enable(struct clk_hw *hw)
{
struct clk_sam9x5_peripheral *periph = to_clk_sam9x5_peripheral(hw);
- struct at91_pmc *pmc = periph->pmc;
- u32 tmp;
+ unsigned long flags;
if (periph->id < PERIPHERAL_ID_MIN)
return 0;
- pmc_lock(pmc);
- pmc_write(pmc, AT91_PMC_PCR, (periph->id & AT91_PMC_PCR_PID_MASK));
- tmp = pmc_read(pmc, AT91_PMC_PCR) & ~AT91_PMC_PCR_DIV_MASK;
- pmc_write(pmc, AT91_PMC_PCR, tmp | AT91_PMC_PCR_DIV(periph->div)
- | AT91_PMC_PCR_CMD
- | AT91_PMC_PCR_EN);
- pmc_unlock(pmc);
+ spin_lock_irqsave(periph->lock, flags);
+ regmap_write(periph->regmap, AT91_PMC_PCR,
+ (periph->id & AT91_PMC_PCR_PID_MASK));
+ regmap_update_bits(periph->regmap, AT91_PMC_PCR,
+ AT91_PMC_PCR_DIV_MASK | AT91_PMC_PCR_CMD |
+ AT91_PMC_PCR_EN,
+ AT91_PMC_PCR_DIV(periph->div) |
+ AT91_PMC_PCR_CMD |
+ AT91_PMC_PCR_EN);
+ spin_unlock_irqrestore(periph->lock, flags);
+
return 0;
}
static void clk_sam9x5_peripheral_disable(struct clk_hw *hw)
{
struct clk_sam9x5_peripheral *periph = to_clk_sam9x5_peripheral(hw);
- struct at91_pmc *pmc = periph->pmc;
- u32 tmp;
+ unsigned long flags;
if (periph->id < PERIPHERAL_ID_MIN)
return;
- pmc_lock(pmc);
- pmc_write(pmc, AT91_PMC_PCR, (periph->id & AT91_PMC_PCR_PID_MASK));
- tmp = pmc_read(pmc, AT91_PMC_PCR) & ~AT91_PMC_PCR_EN;
- pmc_write(pmc, AT91_PMC_PCR, tmp | AT91_PMC_PCR_CMD);
- pmc_unlock(pmc);
+ spin_lock_irqsave(periph->lock, flags);
+ regmap_write(periph->regmap, AT91_PMC_PCR,
+ (periph->id & AT91_PMC_PCR_PID_MASK));
+ regmap_update_bits(periph->regmap, AT91_PMC_PCR,
+ AT91_PMC_PCR_EN | AT91_PMC_PCR_CMD,
+ AT91_PMC_PCR_CMD);
+ spin_unlock_irqrestore(periph->lock, flags);
}
static int clk_sam9x5_peripheral_is_enabled(struct clk_hw *hw)
{
struct clk_sam9x5_peripheral *periph = to_clk_sam9x5_peripheral(hw);
- struct at91_pmc *pmc = periph->pmc;
- int ret;
+ unsigned long flags;
+ unsigned int status;
if (periph->id < PERIPHERAL_ID_MIN)
return 1;
- pmc_lock(pmc);
- pmc_write(pmc, AT91_PMC_PCR, (periph->id & AT91_PMC_PCR_PID_MASK));
- ret = !!(pmc_read(pmc, AT91_PMC_PCR) & AT91_PMC_PCR_EN);
- pmc_unlock(pmc);
+ spin_lock_irqsave(periph->lock, flags);
+ regmap_write(periph->regmap, AT91_PMC_PCR,
+ (periph->id & AT91_PMC_PCR_PID_MASK));
+ regmap_read(periph->regmap, AT91_PMC_PCR, &status);
+ spin_unlock_irqrestore(periph->lock, flags);
- return ret;
+ return status & AT91_PMC_PCR_EN ? 1 : 0;
}
static unsigned long
@@ -214,19 +223,20 @@ clk_sam9x5_peripheral_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct clk_sam9x5_peripheral *periph = to_clk_sam9x5_peripheral(hw);
- struct at91_pmc *pmc = periph->pmc;
- u32 tmp;
+ unsigned long flags;
+ unsigned int status;
if (periph->id < PERIPHERAL_ID_MIN)
return parent_rate;
- pmc_lock(pmc);
- pmc_write(pmc, AT91_PMC_PCR, (periph->id & AT91_PMC_PCR_PID_MASK));
- tmp = pmc_read(pmc, AT91_PMC_PCR);
- pmc_unlock(pmc);
+ spin_lock_irqsave(periph->lock, flags);
+ regmap_write(periph->regmap, AT91_PMC_PCR,
+ (periph->id & AT91_PMC_PCR_PID_MASK));
+ regmap_read(periph->regmap, AT91_PMC_PCR, &status);
+ spin_unlock_irqrestore(periph->lock, flags);
- if (tmp & AT91_PMC_PCR_EN) {
- periph->div = PERIPHERAL_RSHIFT(tmp);
+ if (status & AT91_PMC_PCR_EN) {
+ periph->div = PERIPHERAL_RSHIFT(status);
periph->auto_div = false;
} else {
clk_sam9x5_peripheral_autodiv(periph);
@@ -318,15 +328,15 @@ static const struct clk_ops sam9x5_peripheral_ops = {
};
static struct clk * __init
-at91_clk_register_sam9x5_peripheral(struct at91_pmc *pmc, const char *name,
- const char *parent_name, u32 id,
- const struct clk_range *range)
+at91_clk_register_sam9x5_peripheral(struct regmap *regmap, spinlock_t *lock,
+ const char *name, const char *parent_name,
+ u32 id, const struct clk_range *range)
{
struct clk_sam9x5_peripheral *periph;
struct clk *clk = NULL;
struct clk_init_data init;
- if (!pmc || !name || !parent_name)
+ if (!name || !parent_name)
return ERR_PTR(-EINVAL);
periph = kzalloc(sizeof(*periph), GFP_KERNEL);
@@ -342,7 +352,8 @@ at91_clk_register_sam9x5_peripheral(struct at91_pmc *pmc, const char *name,
periph->id = id;
periph->hw.init = &init;
periph->div = 0;
- periph->pmc = pmc;
+ periph->regmap = regmap;
+ periph->lock = lock;
periph->auto_div = true;
periph->range = *range;
@@ -356,7 +367,7 @@ at91_clk_register_sam9x5_peripheral(struct at91_pmc *pmc, const char *name,
}
static void __init
-of_at91_clk_periph_setup(struct device_node *np, struct at91_pmc *pmc, u8 type)
+of_at91_clk_periph_setup(struct device_node *np, u8 type)
{
int num;
u32 id;
@@ -364,6 +375,7 @@ of_at91_clk_periph_setup(struct device_node *np, struct at91_pmc *pmc, u8 type)
const char *parent_name;
const char *name;
struct device_node *periphclknp;
+ struct regmap *regmap;
parent_name = of_clk_get_parent_name(np, 0);
if (!parent_name)
@@ -373,6 +385,10 @@ of_at91_clk_periph_setup(struct device_node *np, struct at91_pmc *pmc, u8 type)
if (!num || num > PERIPHERAL_MAX)
return;
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
+
for_each_child_of_node(np, periphclknp) {
if (of_property_read_u32(periphclknp, "reg", &id))
continue;
@@ -384,7 +400,7 @@ of_at91_clk_periph_setup(struct device_node *np, struct at91_pmc *pmc, u8 type)
name = periphclknp->name;
if (type == PERIPHERAL_AT91RM9200) {
- clk = at91_clk_register_peripheral(pmc, name,
+ clk = at91_clk_register_peripheral(regmap, name,
parent_name, id);
} else {
struct clk_range range = CLK_RANGE(0, 0);
@@ -393,7 +409,9 @@ of_at91_clk_periph_setup(struct device_node *np, struct at91_pmc *pmc, u8 type)
"atmel,clk-output-range",
&range);
- clk = at91_clk_register_sam9x5_peripheral(pmc, name,
+ clk = at91_clk_register_sam9x5_peripheral(regmap,
+ &pmc_pcr_lock,
+ name,
parent_name,
id, &range);
}
@@ -405,14 +423,17 @@ of_at91_clk_periph_setup(struct device_node *np, struct at91_pmc *pmc, u8 type)
}
}
-void __init of_at91rm9200_clk_periph_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91rm9200_clk_periph_setup(struct device_node *np)
{
- of_at91_clk_periph_setup(np, pmc, PERIPHERAL_AT91RM9200);
+ of_at91_clk_periph_setup(np, PERIPHERAL_AT91RM9200);
}
+CLK_OF_DECLARE(at91rm9200_clk_periph, "atmel,at91rm9200-clk-peripheral",
+ of_at91rm9200_clk_periph_setup);
-void __init of_at91sam9x5_clk_periph_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91sam9x5_clk_periph_setup(struct device_node *np)
{
- of_at91_clk_periph_setup(np, pmc, PERIPHERAL_AT91SAM9X5);
+ of_at91_clk_periph_setup(np, PERIPHERAL_AT91SAM9X5);
}
+CLK_OF_DECLARE(at91sam9x5_clk_periph, "atmel,at91sam9x5-clk-peripheral",
+ of_at91sam9x5_clk_periph_setup);
+
diff --git a/drivers/clk/at91/clk-pll.c b/drivers/clk/at91/clk-pll.c
index 18b60f4895a6..fb2e0b56d4b7 100644
--- a/drivers/clk/at91/clk-pll.c
+++ b/drivers/clk/at91/clk-pll.c
@@ -12,14 +12,8 @@
#include <linux/clkdev.h>
#include <linux/clk/at91_pmc.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/wait.h>
-#include <linux/sched.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "pmc.h"
@@ -58,9 +52,7 @@ struct clk_pll_layout {
struct clk_pll {
struct clk_hw hw;
- struct at91_pmc *pmc;
- unsigned int irq;
- wait_queue_head_t wait;
+ struct regmap *regmap;
u8 id;
u8 div;
u8 range;
@@ -69,20 +61,19 @@ struct clk_pll {
const struct clk_pll_characteristics *characteristics;
};
-static irqreturn_t clk_pll_irq_handler(int irq, void *dev_id)
+static inline bool clk_pll_ready(struct regmap *regmap, int id)
{
- struct clk_pll *pll = (struct clk_pll *)dev_id;
+ unsigned int status;
- wake_up(&pll->wait);
- disable_irq_nosync(pll->irq);
+ regmap_read(regmap, AT91_PMC_SR, &status);
- return IRQ_HANDLED;
+ return status & PLL_STATUS_MASK(id) ? 1 : 0;
}
static int clk_pll_prepare(struct clk_hw *hw)
{
struct clk_pll *pll = to_clk_pll(hw);
- struct at91_pmc *pmc = pll->pmc;
+ struct regmap *regmap = pll->regmap;
const struct clk_pll_layout *layout = pll->layout;
const struct clk_pll_characteristics *characteristics =
pll->characteristics;
@@ -90,39 +81,34 @@ static int clk_pll_prepare(struct clk_hw *hw)
u32 mask = PLL_STATUS_MASK(id);
int offset = PLL_REG(id);
u8 out = 0;
- u32 pllr, icpr;
+ unsigned int pllr;
+ unsigned int status;
u8 div;
u16 mul;
- pllr = pmc_read(pmc, offset);
+ regmap_read(regmap, offset, &pllr);
div = PLL_DIV(pllr);
mul = PLL_MUL(pllr, layout);
- if ((pmc_read(pmc, AT91_PMC_SR) & mask) &&
+ regmap_read(regmap, AT91_PMC_SR, &status);
+ if ((status & mask) &&
(div == pll->div && mul == pll->mul))
return 0;
if (characteristics->out)
out = characteristics->out[pll->range];
- if (characteristics->icpll) {
- icpr = pmc_read(pmc, AT91_PMC_PLLICPR) & ~PLL_ICPR_MASK(id);
- icpr |= (characteristics->icpll[pll->range] <<
- PLL_ICPR_SHIFT(id));
- pmc_write(pmc, AT91_PMC_PLLICPR, icpr);
- }
- pllr &= ~layout->pllr_mask;
- pllr |= layout->pllr_mask &
- (pll->div | (PLL_MAX_COUNT << PLL_COUNT_SHIFT) |
- (out << PLL_OUT_SHIFT) |
- ((pll->mul & layout->mul_mask) << layout->mul_shift));
- pmc_write(pmc, offset, pllr);
-
- while (!(pmc_read(pmc, AT91_PMC_SR) & mask)) {
- enable_irq(pll->irq);
- wait_event(pll->wait,
- pmc_read(pmc, AT91_PMC_SR) & mask);
- }
+ if (characteristics->icpll)
+ regmap_update_bits(regmap, AT91_PMC_PLLICPR, PLL_ICPR_MASK(id),
+ characteristics->icpll[pll->range] << PLL_ICPR_SHIFT(id));
+
+ regmap_update_bits(regmap, offset, layout->pllr_mask,
+ pll->div | (PLL_MAX_COUNT << PLL_COUNT_SHIFT) |
+ (out << PLL_OUT_SHIFT) |
+ ((pll->mul & layout->mul_mask) << layout->mul_shift));
+
+ while (!clk_pll_ready(regmap, pll->id))
+ cpu_relax();
return 0;
}
@@ -130,32 +116,35 @@ static int clk_pll_prepare(struct clk_hw *hw)
static int clk_pll_is_prepared(struct clk_hw *hw)
{
struct clk_pll *pll = to_clk_pll(hw);
- struct at91_pmc *pmc = pll->pmc;
- return !!(pmc_read(pmc, AT91_PMC_SR) &
- PLL_STATUS_MASK(pll->id));
+ return clk_pll_ready(pll->regmap, pll->id);
}
static void clk_pll_unprepare(struct clk_hw *hw)
{
struct clk_pll *pll = to_clk_pll(hw);
- struct at91_pmc *pmc = pll->pmc;
- const struct clk_pll_layout *layout = pll->layout;
- int offset = PLL_REG(pll->id);
- u32 tmp = pmc_read(pmc, offset) & ~(layout->pllr_mask);
+ unsigned int mask = pll->layout->pllr_mask;
- pmc_write(pmc, offset, tmp);
+ regmap_update_bits(pll->regmap, PLL_REG(pll->id), mask, ~mask);
}
static unsigned long clk_pll_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct clk_pll *pll = to_clk_pll(hw);
+ unsigned int pllr;
+ u16 mul;
+ u8 div;
- if (!pll->div || !pll->mul)
+ regmap_read(pll->regmap, PLL_REG(pll->id), &pllr);
+
+ div = PLL_DIV(pllr);
+ mul = PLL_MUL(pllr, pll->layout);
+
+ if (!div || !mul)
return 0;
- return (parent_rate / pll->div) * (pll->mul + 1);
+ return (parent_rate / div) * (mul + 1);
}
static long clk_pll_get_best_div_mul(struct clk_pll *pll, unsigned long rate,
@@ -308,7 +297,7 @@ static const struct clk_ops pll_ops = {
};
static struct clk * __init
-at91_clk_register_pll(struct at91_pmc *pmc, unsigned int irq, const char *name,
+at91_clk_register_pll(struct regmap *regmap, const char *name,
const char *parent_name, u8 id,
const struct clk_pll_layout *layout,
const struct clk_pll_characteristics *characteristics)
@@ -316,9 +305,8 @@ at91_clk_register_pll(struct at91_pmc *pmc, unsigned int irq, const char *name,
struct clk_pll *pll;
struct clk *clk = NULL;
struct clk_init_data init;
- int ret;
int offset = PLL_REG(id);
- u32 tmp;
+ unsigned int pllr;
if (id > PLL_MAX_ID)
return ERR_PTR(-EINVAL);
@@ -337,23 +325,13 @@ at91_clk_register_pll(struct at91_pmc *pmc, unsigned int irq, const char *name,
pll->hw.init = &init;
pll->layout = layout;
pll->characteristics = characteristics;
- pll->pmc = pmc;
- pll->irq = irq;
- tmp = pmc_read(pmc, offset) & layout->pllr_mask;
- pll->div = PLL_DIV(tmp);
- pll->mul = PLL_MUL(tmp, layout);
- init_waitqueue_head(&pll->wait);
- irq_set_status_flags(pll->irq, IRQ_NOAUTOEN);
- ret = request_irq(pll->irq, clk_pll_irq_handler, IRQF_TRIGGER_HIGH,
- id ? "clk-pllb" : "clk-plla", pll);
- if (ret) {
- kfree(pll);
- return ERR_PTR(ret);
- }
+ pll->regmap = regmap;
+ regmap_read(regmap, offset, &pllr);
+ pll->div = PLL_DIV(pllr);
+ pll->mul = PLL_MUL(pllr, layout);
clk = clk_register(NULL, &pll->hw);
if (IS_ERR(clk)) {
- free_irq(pll->irq, pll);
kfree(pll);
}
@@ -483,12 +461,12 @@ out_free_characteristics:
}
static void __init
-of_at91_clk_pll_setup(struct device_node *np, struct at91_pmc *pmc,
+of_at91_clk_pll_setup(struct device_node *np,
const struct clk_pll_layout *layout)
{
u32 id;
- unsigned int irq;
struct clk *clk;
+ struct regmap *regmap;
const char *parent_name;
const char *name = np->name;
struct clk_pll_characteristics *characteristics;
@@ -500,15 +478,15 @@ of_at91_clk_pll_setup(struct device_node *np, struct at91_pmc *pmc,
of_property_read_string(np, "clock-output-names", &name);
- characteristics = of_at91_clk_pll_get_characteristics(np);
- if (!characteristics)
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
return;
- irq = irq_of_parse_and_map(np, 0);
- if (!irq)
+ characteristics = of_at91_clk_pll_get_characteristics(np);
+ if (!characteristics)
return;
- clk = at91_clk_register_pll(pmc, irq, name, parent_name, id, layout,
+ clk = at91_clk_register_pll(regmap, name, parent_name, id, layout,
characteristics);
if (IS_ERR(clk))
goto out_free_characteristics;
@@ -520,26 +498,30 @@ out_free_characteristics:
kfree(characteristics);
}
-void __init of_at91rm9200_clk_pll_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91rm9200_clk_pll_setup(struct device_node *np)
{
- of_at91_clk_pll_setup(np, pmc, &at91rm9200_pll_layout);
+ of_at91_clk_pll_setup(np, &at91rm9200_pll_layout);
}
+CLK_OF_DECLARE(at91rm9200_clk_pll, "atmel,at91rm9200-clk-pll",
+ of_at91rm9200_clk_pll_setup);
-void __init of_at91sam9g45_clk_pll_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91sam9g45_clk_pll_setup(struct device_node *np)
{
- of_at91_clk_pll_setup(np, pmc, &at91sam9g45_pll_layout);
+ of_at91_clk_pll_setup(np, &at91sam9g45_pll_layout);
}
+CLK_OF_DECLARE(at91sam9g45_clk_pll, "atmel,at91sam9g45-clk-pll",
+ of_at91sam9g45_clk_pll_setup);
-void __init of_at91sam9g20_clk_pllb_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91sam9g20_clk_pllb_setup(struct device_node *np)
{
- of_at91_clk_pll_setup(np, pmc, &at91sam9g20_pllb_layout);
+ of_at91_clk_pll_setup(np, &at91sam9g20_pllb_layout);
}
+CLK_OF_DECLARE(at91sam9g20_clk_pllb, "atmel,at91sam9g20-clk-pllb",
+ of_at91sam9g20_clk_pllb_setup);
-void __init of_sama5d3_clk_pll_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_sama5d3_clk_pll_setup(struct device_node *np)
{
- of_at91_clk_pll_setup(np, pmc, &sama5d3_pll_layout);
+ of_at91_clk_pll_setup(np, &sama5d3_pll_layout);
}
+CLK_OF_DECLARE(sama5d3_clk_pll, "atmel,sama5d3-clk-pll",
+ of_sama5d3_clk_pll_setup);
diff --git a/drivers/clk/at91/clk-plldiv.c b/drivers/clk/at91/clk-plldiv.c
index ea226562bb40..2bed26481027 100644
--- a/drivers/clk/at91/clk-plldiv.c
+++ b/drivers/clk/at91/clk-plldiv.c
@@ -12,8 +12,8 @@
#include <linux/clkdev.h>
#include <linux/clk/at91_pmc.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/io.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "pmc.h"
@@ -21,16 +21,18 @@
struct clk_plldiv {
struct clk_hw hw;
- struct at91_pmc *pmc;
+ struct regmap *regmap;
};
static unsigned long clk_plldiv_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct clk_plldiv *plldiv = to_clk_plldiv(hw);
- struct at91_pmc *pmc = plldiv->pmc;
+ unsigned int mckr;
- if (pmc_read(pmc, AT91_PMC_MCKR) & AT91_PMC_PLLADIV2)
+ regmap_read(plldiv->regmap, AT91_PMC_MCKR, &mckr);
+
+ if (mckr & AT91_PMC_PLLADIV2)
return parent_rate / 2;
return parent_rate;
@@ -57,18 +59,12 @@ static int clk_plldiv_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct clk_plldiv *plldiv = to_clk_plldiv(hw);
- struct at91_pmc *pmc = plldiv->pmc;
- u32 tmp;
- if (parent_rate != rate && (parent_rate / 2) != rate)
+ if ((parent_rate != rate) && (parent_rate / 2 != rate))
return -EINVAL;
- pmc_lock(pmc);
- tmp = pmc_read(pmc, AT91_PMC_MCKR) & ~AT91_PMC_PLLADIV2;
- if ((parent_rate / 2) == rate)
- tmp |= AT91_PMC_PLLADIV2;
- pmc_write(pmc, AT91_PMC_MCKR, tmp);
- pmc_unlock(pmc);
+ regmap_update_bits(plldiv->regmap, AT91_PMC_MCKR, AT91_PMC_PLLADIV2,
+ parent_rate != rate ? AT91_PMC_PLLADIV2 : 0);
return 0;
}
@@ -80,7 +76,7 @@ static const struct clk_ops plldiv_ops = {
};
static struct clk * __init
-at91_clk_register_plldiv(struct at91_pmc *pmc, const char *name,
+at91_clk_register_plldiv(struct regmap *regmap, const char *name,
const char *parent_name)
{
struct clk_plldiv *plldiv;
@@ -98,7 +94,7 @@ at91_clk_register_plldiv(struct at91_pmc *pmc, const char *name,
init.flags = CLK_SET_RATE_GATE;
plldiv->hw.init = &init;
- plldiv->pmc = pmc;
+ plldiv->regmap = regmap;
clk = clk_register(NULL, &plldiv->hw);
@@ -109,27 +105,27 @@ at91_clk_register_plldiv(struct at91_pmc *pmc, const char *name,
}
static void __init
-of_at91_clk_plldiv_setup(struct device_node *np, struct at91_pmc *pmc)
+of_at91sam9x5_clk_plldiv_setup(struct device_node *np)
{
struct clk *clk;
const char *parent_name;
const char *name = np->name;
+ struct regmap *regmap;
parent_name = of_clk_get_parent_name(np, 0);
of_property_read_string(np, "clock-output-names", &name);
- clk = at91_clk_register_plldiv(pmc, name, parent_name);
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
+ clk = at91_clk_register_plldiv(regmap, name, parent_name);
if (IS_ERR(clk))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
return;
}
-
-void __init of_at91sam9x5_clk_plldiv_setup(struct device_node *np,
- struct at91_pmc *pmc)
-{
- of_at91_clk_plldiv_setup(np, pmc);
-}
+CLK_OF_DECLARE(at91sam9x5_clk_plldiv, "atmel,at91sam9x5-clk-plldiv",
+ of_at91sam9x5_clk_plldiv_setup);
diff --git a/drivers/clk/at91/clk-programmable.c b/drivers/clk/at91/clk-programmable.c
index 14b270b85fec..10f846cc8db1 100644
--- a/drivers/clk/at91/clk-programmable.c
+++ b/drivers/clk/at91/clk-programmable.c
@@ -12,10 +12,8 @@
#include <linux/clkdev.h>
#include <linux/clk/at91_pmc.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/io.h>
-#include <linux/wait.h>
-#include <linux/sched.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "pmc.h"
@@ -24,6 +22,7 @@
#define PROG_STATUS_MASK(id) (1 << ((id) + 8))
#define PROG_PRES_MASK 0x7
+#define PROG_PRES(layout, pckr) ((pckr >> layout->pres_shift) & PROG_PRES_MASK)
#define PROG_MAX_RM9200_CSS 3
struct clk_programmable_layout {
@@ -34,7 +33,7 @@ struct clk_programmable_layout {
struct clk_programmable {
struct clk_hw hw;
- struct at91_pmc *pmc;
+ struct regmap *regmap;
u8 id;
const struct clk_programmable_layout *layout;
};
@@ -44,14 +43,12 @@ struct clk_programmable {
static unsigned long clk_programmable_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- u32 pres;
struct clk_programmable *prog = to_clk_programmable(hw);
- struct at91_pmc *pmc = prog->pmc;
- const struct clk_programmable_layout *layout = prog->layout;
+ unsigned int pckr;
+
+ regmap_read(prog->regmap, AT91_PMC_PCKR(prog->id), &pckr);
- pres = (pmc_read(pmc, AT91_PMC_PCKR(prog->id)) >> layout->pres_shift) &
- PROG_PRES_MASK;
- return parent_rate >> pres;
+ return parent_rate >> PROG_PRES(prog->layout, pckr);
}
static int clk_programmable_determine_rate(struct clk_hw *hw,
@@ -101,36 +98,36 @@ static int clk_programmable_set_parent(struct clk_hw *hw, u8 index)
{
struct clk_programmable *prog = to_clk_programmable(hw);
const struct clk_programmable_layout *layout = prog->layout;
- struct at91_pmc *pmc = prog->pmc;
- u32 tmp = pmc_read(pmc, AT91_PMC_PCKR(prog->id)) & ~layout->css_mask;
+ unsigned int mask = layout->css_mask;
+ unsigned int pckr = 0;
if (layout->have_slck_mck)
- tmp &= AT91_PMC_CSSMCK_MCK;
+ mask |= AT91_PMC_CSSMCK_MCK;
if (index > layout->css_mask) {
- if (index > PROG_MAX_RM9200_CSS && layout->have_slck_mck) {
- tmp |= AT91_PMC_CSSMCK_MCK;
- return 0;
- } else {
+ if (index > PROG_MAX_RM9200_CSS && !layout->have_slck_mck)
return -EINVAL;
- }
+
+ pckr |= AT91_PMC_CSSMCK_MCK;
}
- pmc_write(pmc, AT91_PMC_PCKR(prog->id), tmp | index);
+ regmap_update_bits(prog->regmap, AT91_PMC_PCKR(prog->id), mask, pckr);
+
return 0;
}
static u8 clk_programmable_get_parent(struct clk_hw *hw)
{
- u32 tmp;
- u8 ret;
struct clk_programmable *prog = to_clk_programmable(hw);
- struct at91_pmc *pmc = prog->pmc;
const struct clk_programmable_layout *layout = prog->layout;
+ unsigned int pckr;
+ u8 ret;
+
+ regmap_read(prog->regmap, AT91_PMC_PCKR(prog->id), &pckr);
+
+ ret = pckr & layout->css_mask;
- tmp = pmc_read(pmc, AT91_PMC_PCKR(prog->id));
- ret = tmp & layout->css_mask;
- if (layout->have_slck_mck && (tmp & AT91_PMC_CSSMCK_MCK) && !ret)
+ if (layout->have_slck_mck && (pckr & AT91_PMC_CSSMCK_MCK) && !ret)
ret = PROG_MAX_RM9200_CSS + 1;
return ret;
@@ -140,26 +137,27 @@ static int clk_programmable_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct clk_programmable *prog = to_clk_programmable(hw);
- struct at91_pmc *pmc = prog->pmc;
const struct clk_programmable_layout *layout = prog->layout;
unsigned long div = parent_rate / rate;
+ unsigned int pckr;
int shift = 0;
- u32 tmp = pmc_read(pmc, AT91_PMC_PCKR(prog->id)) &
- ~(PROG_PRES_MASK << layout->pres_shift);
+
+ regmap_read(prog->regmap, AT91_PMC_PCKR(prog->id), &pckr);
if (!div)
return -EINVAL;
shift = fls(div) - 1;
- if (div != (1<<shift))
+ if (div != (1 << shift))
return -EINVAL;
if (shift >= PROG_PRES_MASK)
return -EINVAL;
- pmc_write(pmc, AT91_PMC_PCKR(prog->id),
- tmp | (shift << layout->pres_shift));
+ regmap_update_bits(prog->regmap, AT91_PMC_PCKR(prog->id),
+ PROG_PRES_MASK << layout->pres_shift,
+ shift << layout->pres_shift);
return 0;
}
@@ -173,7 +171,7 @@ static const struct clk_ops programmable_ops = {
};
static struct clk * __init
-at91_clk_register_programmable(struct at91_pmc *pmc,
+at91_clk_register_programmable(struct regmap *regmap,
const char *name, const char **parent_names,
u8 num_parents, u8 id,
const struct clk_programmable_layout *layout)
@@ -198,7 +196,7 @@ at91_clk_register_programmable(struct at91_pmc *pmc,
prog->id = id;
prog->layout = layout;
prog->hw.init = &init;
- prog->pmc = pmc;
+ prog->regmap = regmap;
clk = clk_register(NULL, &prog->hw);
if (IS_ERR(clk))
@@ -226,19 +224,20 @@ static const struct clk_programmable_layout at91sam9x5_programmable_layout = {
};
static void __init
-of_at91_clk_prog_setup(struct device_node *np, struct at91_pmc *pmc,
+of_at91_clk_prog_setup(struct device_node *np,
const struct clk_programmable_layout *layout)
{
int num;
u32 id;
struct clk *clk;
- int num_parents;
+ unsigned int num_parents;
const char *parent_names[PROG_SOURCE_MAX];
const char *name;
struct device_node *progclknp;
+ struct regmap *regmap;
num_parents = of_clk_get_parent_count(np);
- if (num_parents <= 0 || num_parents > PROG_SOURCE_MAX)
+ if (num_parents == 0 || num_parents > PROG_SOURCE_MAX)
return;
of_clk_parent_fill(np, parent_names, num_parents);
@@ -247,6 +246,10 @@ of_at91_clk_prog_setup(struct device_node *np, struct at91_pmc *pmc,
if (!num || num > (PROG_ID_MAX + 1))
return;
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
+
for_each_child_of_node(np, progclknp) {
if (of_property_read_u32(progclknp, "reg", &id))
continue;
@@ -254,7 +257,7 @@ of_at91_clk_prog_setup(struct device_node *np, struct at91_pmc *pmc,
if (of_property_read_string(np, "clock-output-names", &name))
name = progclknp->name;
- clk = at91_clk_register_programmable(pmc, name,
+ clk = at91_clk_register_programmable(regmap, name,
parent_names, num_parents,
id, layout);
if (IS_ERR(clk))
@@ -265,20 +268,23 @@ of_at91_clk_prog_setup(struct device_node *np, struct at91_pmc *pmc,
}
-void __init of_at91rm9200_clk_prog_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91rm9200_clk_prog_setup(struct device_node *np)
{
- of_at91_clk_prog_setup(np, pmc, &at91rm9200_programmable_layout);
+ of_at91_clk_prog_setup(np, &at91rm9200_programmable_layout);
}
+CLK_OF_DECLARE(at91rm9200_clk_prog, "atmel,at91rm9200-clk-programmable",
+ of_at91rm9200_clk_prog_setup);
-void __init of_at91sam9g45_clk_prog_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91sam9g45_clk_prog_setup(struct device_node *np)
{
- of_at91_clk_prog_setup(np, pmc, &at91sam9g45_programmable_layout);
+ of_at91_clk_prog_setup(np, &at91sam9g45_programmable_layout);
}
+CLK_OF_DECLARE(at91sam9g45_clk_prog, "atmel,at91sam9g45-clk-programmable",
+ of_at91sam9g45_clk_prog_setup);
-void __init of_at91sam9x5_clk_prog_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91sam9x5_clk_prog_setup(struct device_node *np)
{
- of_at91_clk_prog_setup(np, pmc, &at91sam9x5_programmable_layout);
+ of_at91_clk_prog_setup(np, &at91sam9x5_programmable_layout);
}
+CLK_OF_DECLARE(at91sam9x5_clk_prog, "atmel,at91sam9x5-clk-programmable",
+ of_at91sam9x5_clk_prog_setup);
diff --git a/drivers/clk/at91/clk-slow.c b/drivers/clk/at91/clk-slow.c
index 6f99a530ead6..61090b1146cf 100644
--- a/drivers/clk/at91/clk-slow.c
+++ b/drivers/clk/at91/clk-slow.c
@@ -12,17 +12,11 @@
#include <linux/clk-provider.h>
#include <linux/clkdev.h>
-#include <linux/slab.h>
#include <linux/clk/at91_pmc.h>
#include <linux/delay.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/io.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "pmc.h"
#include "sckc.h"
@@ -58,7 +52,7 @@ struct clk_slow_rc_osc {
struct clk_sam9260_slow {
struct clk_hw hw;
- struct at91_pmc *pmc;
+ struct regmap *regmap;
};
#define to_clk_sam9260_slow(hw) container_of(hw, struct clk_sam9260_slow, hw)
@@ -251,7 +245,7 @@ at91_clk_register_slow_rc_osc(void __iomem *sckcr,
init.ops = &slow_rc_osc_ops;
init.parent_names = NULL;
init.num_parents = 0;
- init.flags = CLK_IS_ROOT | CLK_IGNORE_UNUSED;
+ init.flags = CLK_IGNORE_UNUSED;
osc->hw.init = &init;
osc->sckcr = sckcr;
@@ -366,11 +360,11 @@ void __init of_at91sam9x5_clk_slow_setup(struct device_node *np,
{
struct clk *clk;
const char *parent_names[2];
- int num_parents;
+ unsigned int num_parents;
const char *name = np->name;
num_parents = of_clk_get_parent_count(np);
- if (num_parents <= 0 || num_parents > 2)
+ if (num_parents == 0 || num_parents > 2)
return;
of_clk_parent_fill(np, parent_names, num_parents);
@@ -388,8 +382,11 @@ void __init of_at91sam9x5_clk_slow_setup(struct device_node *np,
static u8 clk_sam9260_slow_get_parent(struct clk_hw *hw)
{
struct clk_sam9260_slow *slowck = to_clk_sam9260_slow(hw);
+ unsigned int status;
+
+ regmap_read(slowck->regmap, AT91_PMC_SR, &status);
- return !!(pmc_read(slowck->pmc, AT91_PMC_SR) & AT91_PMC_OSCSEL);
+ return status & AT91_PMC_OSCSEL ? 1 : 0;
}
static const struct clk_ops sam9260_slow_ops = {
@@ -397,7 +394,7 @@ static const struct clk_ops sam9260_slow_ops = {
};
static struct clk * __init
-at91_clk_register_sam9260_slow(struct at91_pmc *pmc,
+at91_clk_register_sam9260_slow(struct regmap *regmap,
const char *name,
const char **parent_names,
int num_parents)
@@ -406,7 +403,7 @@ at91_clk_register_sam9260_slow(struct at91_pmc *pmc,
struct clk *clk = NULL;
struct clk_init_data init;
- if (!pmc || !name)
+ if (!name)
return ERR_PTR(-EINVAL);
if (!parent_names || !num_parents)
@@ -423,7 +420,7 @@ at91_clk_register_sam9260_slow(struct at91_pmc *pmc,
init.flags = 0;
slowck->hw.init = &init;
- slowck->pmc = pmc;
+ slowck->regmap = regmap;
clk = clk_register(NULL, &slowck->hw);
if (IS_ERR(clk))
@@ -432,26 +429,32 @@ at91_clk_register_sam9260_slow(struct at91_pmc *pmc,
return clk;
}
-void __init of_at91sam9260_clk_slow_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91sam9260_clk_slow_setup(struct device_node *np)
{
struct clk *clk;
const char *parent_names[2];
- int num_parents;
+ unsigned int num_parents;
const char *name = np->name;
+ struct regmap *regmap;
num_parents = of_clk_get_parent_count(np);
if (num_parents != 2)
return;
of_clk_parent_fill(np, parent_names, num_parents);
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
of_property_read_string(np, "clock-output-names", &name);
- clk = at91_clk_register_sam9260_slow(pmc, name, parent_names,
+ clk = at91_clk_register_sam9260_slow(regmap, name, parent_names,
num_parents);
if (IS_ERR(clk))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
+
+CLK_OF_DECLARE(at91sam9260_clk_slow, "atmel,at91sam9260-clk-slow",
+ of_at91sam9260_clk_slow_setup);
diff --git a/drivers/clk/at91/clk-smd.c b/drivers/clk/at91/clk-smd.c
index a7f8501cfa05..3c04b069d5b8 100644
--- a/drivers/clk/at91/clk-smd.c
+++ b/drivers/clk/at91/clk-smd.c
@@ -12,8 +12,8 @@
#include <linux/clkdev.h>
#include <linux/clk/at91_pmc.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/io.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "pmc.h"
@@ -24,7 +24,7 @@
struct at91sam9x5_clk_smd {
struct clk_hw hw;
- struct at91_pmc *pmc;
+ struct regmap *regmap;
};
#define to_at91sam9x5_clk_smd(hw) \
@@ -33,13 +33,13 @@ struct at91sam9x5_clk_smd {
static unsigned long at91sam9x5_clk_smd_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- u32 tmp;
- u8 smddiv;
struct at91sam9x5_clk_smd *smd = to_at91sam9x5_clk_smd(hw);
- struct at91_pmc *pmc = smd->pmc;
+ unsigned int smdr;
+ u8 smddiv;
+
+ regmap_read(smd->regmap, AT91_PMC_SMD, &smdr);
+ smddiv = (smdr & AT91_PMC_SMD_DIV) >> SMD_DIV_SHIFT;
- tmp = pmc_read(pmc, AT91_PMC_SMD);
- smddiv = (tmp & AT91_PMC_SMD_DIV) >> SMD_DIV_SHIFT;
return parent_rate / (smddiv + 1);
}
@@ -67,40 +67,38 @@ static long at91sam9x5_clk_smd_round_rate(struct clk_hw *hw, unsigned long rate,
static int at91sam9x5_clk_smd_set_parent(struct clk_hw *hw, u8 index)
{
- u32 tmp;
struct at91sam9x5_clk_smd *smd = to_at91sam9x5_clk_smd(hw);
- struct at91_pmc *pmc = smd->pmc;
if (index > 1)
return -EINVAL;
- tmp = pmc_read(pmc, AT91_PMC_SMD) & ~AT91_PMC_SMDS;
- if (index)
- tmp |= AT91_PMC_SMDS;
- pmc_write(pmc, AT91_PMC_SMD, tmp);
+
+ regmap_update_bits(smd->regmap, AT91_PMC_SMD, AT91_PMC_SMDS,
+ index ? AT91_PMC_SMDS : 0);
+
return 0;
}
static u8 at91sam9x5_clk_smd_get_parent(struct clk_hw *hw)
{
struct at91sam9x5_clk_smd *smd = to_at91sam9x5_clk_smd(hw);
- struct at91_pmc *pmc = smd->pmc;
+ unsigned int smdr;
- return pmc_read(pmc, AT91_PMC_SMD) & AT91_PMC_SMDS;
+ regmap_read(smd->regmap, AT91_PMC_SMD, &smdr);
+
+ return smdr & AT91_PMC_SMDS;
}
static int at91sam9x5_clk_smd_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
- u32 tmp;
struct at91sam9x5_clk_smd *smd = to_at91sam9x5_clk_smd(hw);
- struct at91_pmc *pmc = smd->pmc;
unsigned long div = parent_rate / rate;
if (parent_rate % rate || div < 1 || div > (SMD_MAX_DIV + 1))
return -EINVAL;
- tmp = pmc_read(pmc, AT91_PMC_SMD) & ~AT91_PMC_SMD_DIV;
- tmp |= (div - 1) << SMD_DIV_SHIFT;
- pmc_write(pmc, AT91_PMC_SMD, tmp);
+
+ regmap_update_bits(smd->regmap, AT91_PMC_SMD, AT91_PMC_SMD_DIV,
+ (div - 1) << SMD_DIV_SHIFT);
return 0;
}
@@ -114,7 +112,7 @@ static const struct clk_ops at91sam9x5_smd_ops = {
};
static struct clk * __init
-at91sam9x5_clk_register_smd(struct at91_pmc *pmc, const char *name,
+at91sam9x5_clk_register_smd(struct regmap *regmap, const char *name,
const char **parent_names, u8 num_parents)
{
struct at91sam9x5_clk_smd *smd;
@@ -132,7 +130,7 @@ at91sam9x5_clk_register_smd(struct at91_pmc *pmc, const char *name,
init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE;
smd->hw.init = &init;
- smd->pmc = pmc;
+ smd->regmap = regmap;
clk = clk_register(NULL, &smd->hw);
if (IS_ERR(clk))
@@ -141,26 +139,32 @@ at91sam9x5_clk_register_smd(struct at91_pmc *pmc, const char *name,
return clk;
}
-void __init of_at91sam9x5_clk_smd_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91sam9x5_clk_smd_setup(struct device_node *np)
{
struct clk *clk;
- int num_parents;
+ unsigned int num_parents;
const char *parent_names[SMD_SOURCE_MAX];
const char *name = np->name;
+ struct regmap *regmap;
num_parents = of_clk_get_parent_count(np);
- if (num_parents <= 0 || num_parents > SMD_SOURCE_MAX)
+ if (num_parents == 0 || num_parents > SMD_SOURCE_MAX)
return;
of_clk_parent_fill(np, parent_names, num_parents);
of_property_read_string(np, "clock-output-names", &name);
- clk = at91sam9x5_clk_register_smd(pmc, name, parent_names,
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
+
+ clk = at91sam9x5_clk_register_smd(regmap, name, parent_names,
num_parents);
if (IS_ERR(clk))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
+CLK_OF_DECLARE(at91sam9x5_clk_smd, "atmel,at91sam9x5-clk-smd",
+ of_at91sam9x5_clk_smd_setup);
diff --git a/drivers/clk/at91/clk-system.c b/drivers/clk/at91/clk-system.c
index 3f5314344286..8f35d8172909 100644
--- a/drivers/clk/at91/clk-system.c
+++ b/drivers/clk/at91/clk-system.c
@@ -12,13 +12,8 @@
#include <linux/clkdev.h>
#include <linux/clk/at91_pmc.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/io.h>
-#include <linux/irq.h>
-#include <linux/of_irq.h>
-#include <linux/interrupt.h>
-#include <linux/wait.h>
-#include <linux/sched.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "pmc.h"
@@ -29,9 +24,7 @@
#define to_clk_system(hw) container_of(hw, struct clk_system, hw)
struct clk_system {
struct clk_hw hw;
- struct at91_pmc *pmc;
- unsigned int irq;
- wait_queue_head_t wait;
+ struct regmap *regmap;
u8 id;
};
@@ -39,58 +32,54 @@ static inline int is_pck(int id)
{
return (id >= 8) && (id <= 15);
}
-static irqreturn_t clk_system_irq_handler(int irq, void *dev_id)
+
+static inline bool clk_system_ready(struct regmap *regmap, int id)
{
- struct clk_system *sys = (struct clk_system *)dev_id;
+ unsigned int status;
- wake_up(&sys->wait);
- disable_irq_nosync(sys->irq);
+ regmap_read(regmap, AT91_PMC_SR, &status);
- return IRQ_HANDLED;
+ return status & (1 << id) ? 1 : 0;
}
static int clk_system_prepare(struct clk_hw *hw)
{
struct clk_system *sys = to_clk_system(hw);
- struct at91_pmc *pmc = sys->pmc;
- u32 mask = 1 << sys->id;
- pmc_write(pmc, AT91_PMC_SCER, mask);
+ regmap_write(sys->regmap, AT91_PMC_SCER, 1 << sys->id);
if (!is_pck(sys->id))
return 0;
- while (!(pmc_read(pmc, AT91_PMC_SR) & mask)) {
- if (sys->irq) {
- enable_irq(sys->irq);
- wait_event(sys->wait,
- pmc_read(pmc, AT91_PMC_SR) & mask);
- } else
- cpu_relax();
- }
+ while (!clk_system_ready(sys->regmap, sys->id))
+ cpu_relax();
+
return 0;
}
static void clk_system_unprepare(struct clk_hw *hw)
{
struct clk_system *sys = to_clk_system(hw);
- struct at91_pmc *pmc = sys->pmc;
- pmc_write(pmc, AT91_PMC_SCDR, 1 << sys->id);
+ regmap_write(sys->regmap, AT91_PMC_SCDR, 1 << sys->id);
}
static int clk_system_is_prepared(struct clk_hw *hw)
{
struct clk_system *sys = to_clk_system(hw);
- struct at91_pmc *pmc = sys->pmc;
+ unsigned int status;
+
+ regmap_read(sys->regmap, AT91_PMC_SCSR, &status);
- if (!(pmc_read(pmc, AT91_PMC_SCSR) & (1 << sys->id)))
+ if (!(status & (1 << sys->id)))
return 0;
if (!is_pck(sys->id))
return 1;
- return !!(pmc_read(pmc, AT91_PMC_SR) & (1 << sys->id));
+ regmap_read(sys->regmap, AT91_PMC_SR, &status);
+
+ return status & (1 << sys->id) ? 1 : 0;
}
static const struct clk_ops system_ops = {
@@ -100,13 +89,12 @@ static const struct clk_ops system_ops = {
};
static struct clk * __init
-at91_clk_register_system(struct at91_pmc *pmc, const char *name,
- const char *parent_name, u8 id, int irq)
+at91_clk_register_system(struct regmap *regmap, const char *name,
+ const char *parent_name, u8 id)
{
struct clk_system *sys;
struct clk *clk = NULL;
struct clk_init_data init;
- int ret;
if (!parent_name || id > SYSTEM_MAX_ID)
return ERR_PTR(-EINVAL);
@@ -123,44 +111,33 @@ at91_clk_register_system(struct at91_pmc *pmc, const char *name,
sys->id = id;
sys->hw.init = &init;
- sys->pmc = pmc;
- sys->irq = irq;
- if (irq) {
- init_waitqueue_head(&sys->wait);
- irq_set_status_flags(sys->irq, IRQ_NOAUTOEN);
- ret = request_irq(sys->irq, clk_system_irq_handler,
- IRQF_TRIGGER_HIGH, name, sys);
- if (ret) {
- kfree(sys);
- return ERR_PTR(ret);
- }
- }
+ sys->regmap = regmap;
clk = clk_register(NULL, &sys->hw);
- if (IS_ERR(clk)) {
- if (irq)
- free_irq(sys->irq, sys);
+ if (IS_ERR(clk))
kfree(sys);
- }
return clk;
}
-static void __init
-of_at91_clk_sys_setup(struct device_node *np, struct at91_pmc *pmc)
+static void __init of_at91rm9200_clk_sys_setup(struct device_node *np)
{
int num;
- int irq = 0;
u32 id;
struct clk *clk;
const char *name;
struct device_node *sysclknp;
const char *parent_name;
+ struct regmap *regmap;
num = of_get_child_count(np);
if (num > (SYSTEM_MAX_ID + 1))
return;
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
+
for_each_child_of_node(np, sysclknp) {
if (of_property_read_u32(sysclknp, "reg", &id))
continue;
@@ -168,21 +145,14 @@ of_at91_clk_sys_setup(struct device_node *np, struct at91_pmc *pmc)
if (of_property_read_string(np, "clock-output-names", &name))
name = sysclknp->name;
- if (is_pck(id))
- irq = irq_of_parse_and_map(sysclknp, 0);
-
parent_name = of_clk_get_parent_name(sysclknp, 0);
- clk = at91_clk_register_system(pmc, name, parent_name, id, irq);
+ clk = at91_clk_register_system(regmap, name, parent_name, id);
if (IS_ERR(clk))
continue;
of_clk_add_provider(sysclknp, of_clk_src_simple_get, clk);
}
}
-
-void __init of_at91rm9200_clk_sys_setup(struct device_node *np,
- struct at91_pmc *pmc)
-{
- of_at91_clk_sys_setup(np, pmc);
-}
+CLK_OF_DECLARE(at91rm9200_clk_sys, "atmel,at91rm9200-clk-system",
+ of_at91rm9200_clk_sys_setup);
diff --git a/drivers/clk/at91/clk-usb.c b/drivers/clk/at91/clk-usb.c
index 8ab8502778a2..d80bdb0a8b02 100644
--- a/drivers/clk/at91/clk-usb.c
+++ b/drivers/clk/at91/clk-usb.c
@@ -12,8 +12,8 @@
#include <linux/clkdev.h>
#include <linux/clk/at91_pmc.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/io.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "pmc.h"
@@ -27,7 +27,7 @@
struct at91sam9x5_clk_usb {
struct clk_hw hw;
- struct at91_pmc *pmc;
+ struct regmap *regmap;
};
#define to_at91sam9x5_clk_usb(hw) \
@@ -35,7 +35,7 @@ struct at91sam9x5_clk_usb {
struct at91rm9200_clk_usb {
struct clk_hw hw;
- struct at91_pmc *pmc;
+ struct regmap *regmap;
u32 divisors[4];
};
@@ -45,13 +45,12 @@ struct at91rm9200_clk_usb {
static unsigned long at91sam9x5_clk_usb_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- u32 tmp;
- u8 usbdiv;
struct at91sam9x5_clk_usb *usb = to_at91sam9x5_clk_usb(hw);
- struct at91_pmc *pmc = usb->pmc;
+ unsigned int usbr;
+ u8 usbdiv;
- tmp = pmc_read(pmc, AT91_PMC_USB);
- usbdiv = (tmp & AT91_PMC_OHCIUSBDIV) >> SAM9X5_USB_DIV_SHIFT;
+ regmap_read(usb->regmap, AT91_PMC_USB, &usbr);
+ usbdiv = (usbr & AT91_PMC_OHCIUSBDIV) >> SAM9X5_USB_DIV_SHIFT;
return DIV_ROUND_CLOSEST(parent_rate, (usbdiv + 1));
}
@@ -109,33 +108,31 @@ static int at91sam9x5_clk_usb_determine_rate(struct clk_hw *hw,
static int at91sam9x5_clk_usb_set_parent(struct clk_hw *hw, u8 index)
{
- u32 tmp;
struct at91sam9x5_clk_usb *usb = to_at91sam9x5_clk_usb(hw);
- struct at91_pmc *pmc = usb->pmc;
if (index > 1)
return -EINVAL;
- tmp = pmc_read(pmc, AT91_PMC_USB) & ~AT91_PMC_USBS;
- if (index)
- tmp |= AT91_PMC_USBS;
- pmc_write(pmc, AT91_PMC_USB, tmp);
+
+ regmap_update_bits(usb->regmap, AT91_PMC_USB, AT91_PMC_USBS,
+ index ? AT91_PMC_USBS : 0);
+
return 0;
}
static u8 at91sam9x5_clk_usb_get_parent(struct clk_hw *hw)
{
struct at91sam9x5_clk_usb *usb = to_at91sam9x5_clk_usb(hw);
- struct at91_pmc *pmc = usb->pmc;
+ unsigned int usbr;
- return pmc_read(pmc, AT91_PMC_USB) & AT91_PMC_USBS;
+ regmap_read(usb->regmap, AT91_PMC_USB, &usbr);
+
+ return usbr & AT91_PMC_USBS;
}
static int at91sam9x5_clk_usb_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
- u32 tmp;
struct at91sam9x5_clk_usb *usb = to_at91sam9x5_clk_usb(hw);
- struct at91_pmc *pmc = usb->pmc;
unsigned long div;
if (!rate)
@@ -145,9 +142,8 @@ static int at91sam9x5_clk_usb_set_rate(struct clk_hw *hw, unsigned long rate,
if (div > SAM9X5_USB_MAX_DIV + 1 || !div)
return -EINVAL;
- tmp = pmc_read(pmc, AT91_PMC_USB) & ~AT91_PMC_OHCIUSBDIV;
- tmp |= (div - 1) << SAM9X5_USB_DIV_SHIFT;
- pmc_write(pmc, AT91_PMC_USB, tmp);
+ regmap_update_bits(usb->regmap, AT91_PMC_USB, AT91_PMC_OHCIUSBDIV,
+ (div - 1) << SAM9X5_USB_DIV_SHIFT);
return 0;
}
@@ -163,28 +159,28 @@ static const struct clk_ops at91sam9x5_usb_ops = {
static int at91sam9n12_clk_usb_enable(struct clk_hw *hw)
{
struct at91sam9x5_clk_usb *usb = to_at91sam9x5_clk_usb(hw);
- struct at91_pmc *pmc = usb->pmc;
- pmc_write(pmc, AT91_PMC_USB,
- pmc_read(pmc, AT91_PMC_USB) | AT91_PMC_USBS);
+ regmap_update_bits(usb->regmap, AT91_PMC_USB, AT91_PMC_USBS,
+ AT91_PMC_USBS);
+
return 0;
}
static void at91sam9n12_clk_usb_disable(struct clk_hw *hw)
{
struct at91sam9x5_clk_usb *usb = to_at91sam9x5_clk_usb(hw);
- struct at91_pmc *pmc = usb->pmc;
- pmc_write(pmc, AT91_PMC_USB,
- pmc_read(pmc, AT91_PMC_USB) & ~AT91_PMC_USBS);
+ regmap_update_bits(usb->regmap, AT91_PMC_USB, AT91_PMC_USBS, 0);
}
static int at91sam9n12_clk_usb_is_enabled(struct clk_hw *hw)
{
struct at91sam9x5_clk_usb *usb = to_at91sam9x5_clk_usb(hw);
- struct at91_pmc *pmc = usb->pmc;
+ unsigned int usbr;
- return !!(pmc_read(pmc, AT91_PMC_USB) & AT91_PMC_USBS);
+ regmap_read(usb->regmap, AT91_PMC_USB, &usbr);
+
+ return usbr & AT91_PMC_USBS;
}
static const struct clk_ops at91sam9n12_usb_ops = {
@@ -197,7 +193,7 @@ static const struct clk_ops at91sam9n12_usb_ops = {
};
static struct clk * __init
-at91sam9x5_clk_register_usb(struct at91_pmc *pmc, const char *name,
+at91sam9x5_clk_register_usb(struct regmap *regmap, const char *name,
const char **parent_names, u8 num_parents)
{
struct at91sam9x5_clk_usb *usb;
@@ -216,7 +212,7 @@ at91sam9x5_clk_register_usb(struct at91_pmc *pmc, const char *name,
CLK_SET_RATE_PARENT;
usb->hw.init = &init;
- usb->pmc = pmc;
+ usb->regmap = regmap;
clk = clk_register(NULL, &usb->hw);
if (IS_ERR(clk))
@@ -226,7 +222,7 @@ at91sam9x5_clk_register_usb(struct at91_pmc *pmc, const char *name,
}
static struct clk * __init
-at91sam9n12_clk_register_usb(struct at91_pmc *pmc, const char *name,
+at91sam9n12_clk_register_usb(struct regmap *regmap, const char *name,
const char *parent_name)
{
struct at91sam9x5_clk_usb *usb;
@@ -244,7 +240,7 @@ at91sam9n12_clk_register_usb(struct at91_pmc *pmc, const char *name,
init.flags = CLK_SET_RATE_GATE | CLK_SET_RATE_PARENT;
usb->hw.init = &init;
- usb->pmc = pmc;
+ usb->regmap = regmap;
clk = clk_register(NULL, &usb->hw);
if (IS_ERR(clk))
@@ -257,12 +253,12 @@ static unsigned long at91rm9200_clk_usb_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct at91rm9200_clk_usb *usb = to_at91rm9200_clk_usb(hw);
- struct at91_pmc *pmc = usb->pmc;
- u32 tmp;
+ unsigned int pllbr;
u8 usbdiv;
- tmp = pmc_read(pmc, AT91_CKGR_PLLBR);
- usbdiv = (tmp & AT91_PMC_USBDIV) >> RM9200_USB_DIV_SHIFT;
+ regmap_read(usb->regmap, AT91_CKGR_PLLBR, &pllbr);
+
+ usbdiv = (pllbr & AT91_PMC_USBDIV) >> RM9200_USB_DIV_SHIFT;
if (usb->divisors[usbdiv])
return parent_rate / usb->divisors[usbdiv];
@@ -310,10 +306,8 @@ static long at91rm9200_clk_usb_round_rate(struct clk_hw *hw, unsigned long rate,
static int at91rm9200_clk_usb_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
- u32 tmp;
int i;
struct at91rm9200_clk_usb *usb = to_at91rm9200_clk_usb(hw);
- struct at91_pmc *pmc = usb->pmc;
unsigned long div;
if (!rate)
@@ -323,10 +317,10 @@ static int at91rm9200_clk_usb_set_rate(struct clk_hw *hw, unsigned long rate,
for (i = 0; i < RM9200_USB_DIV_TAB_SIZE; i++) {
if (usb->divisors[i] == div) {
- tmp = pmc_read(pmc, AT91_CKGR_PLLBR) &
- ~AT91_PMC_USBDIV;
- tmp |= i << RM9200_USB_DIV_SHIFT;
- pmc_write(pmc, AT91_CKGR_PLLBR, tmp);
+ regmap_update_bits(usb->regmap, AT91_CKGR_PLLBR,
+ AT91_PMC_USBDIV,
+ i << RM9200_USB_DIV_SHIFT);
+
return 0;
}
}
@@ -341,7 +335,7 @@ static const struct clk_ops at91rm9200_usb_ops = {
};
static struct clk * __init
-at91rm9200_clk_register_usb(struct at91_pmc *pmc, const char *name,
+at91rm9200_clk_register_usb(struct regmap *regmap, const char *name,
const char *parent_name, const u32 *divisors)
{
struct at91rm9200_clk_usb *usb;
@@ -359,7 +353,7 @@ at91rm9200_clk_register_usb(struct at91_pmc *pmc, const char *name,
init.flags = CLK_SET_RATE_PARENT;
usb->hw.init = &init;
- usb->pmc = pmc;
+ usb->regmap = regmap;
memcpy(usb->divisors, divisors, sizeof(usb->divisors));
clk = clk_register(NULL, &usb->hw);
@@ -369,35 +363,42 @@ at91rm9200_clk_register_usb(struct at91_pmc *pmc, const char *name,
return clk;
}
-void __init of_at91sam9x5_clk_usb_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91sam9x5_clk_usb_setup(struct device_node *np)
{
struct clk *clk;
- int num_parents;
+ unsigned int num_parents;
const char *parent_names[USB_SOURCE_MAX];
const char *name = np->name;
+ struct regmap *regmap;
num_parents = of_clk_get_parent_count(np);
- if (num_parents <= 0 || num_parents > USB_SOURCE_MAX)
+ if (num_parents == 0 || num_parents > USB_SOURCE_MAX)
return;
of_clk_parent_fill(np, parent_names, num_parents);
of_property_read_string(np, "clock-output-names", &name);
- clk = at91sam9x5_clk_register_usb(pmc, name, parent_names, num_parents);
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
+
+ clk = at91sam9x5_clk_register_usb(regmap, name, parent_names,
+ num_parents);
if (IS_ERR(clk))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
+CLK_OF_DECLARE(at91sam9x5_clk_usb, "atmel,at91sam9x5-clk-usb",
+ of_at91sam9x5_clk_usb_setup);
-void __init of_at91sam9n12_clk_usb_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91sam9n12_clk_usb_setup(struct device_node *np)
{
struct clk *clk;
const char *parent_name;
const char *name = np->name;
+ struct regmap *regmap;
parent_name = of_clk_get_parent_name(np, 0);
if (!parent_name)
@@ -405,20 +406,26 @@ void __init of_at91sam9n12_clk_usb_setup(struct device_node *np,
of_property_read_string(np, "clock-output-names", &name);
- clk = at91sam9n12_clk_register_usb(pmc, name, parent_name);
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
+
+ clk = at91sam9n12_clk_register_usb(regmap, name, parent_name);
if (IS_ERR(clk))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
+CLK_OF_DECLARE(at91sam9n12_clk_usb, "atmel,at91sam9n12-clk-usb",
+ of_at91sam9n12_clk_usb_setup);
-void __init of_at91rm9200_clk_usb_setup(struct device_node *np,
- struct at91_pmc *pmc)
+static void __init of_at91rm9200_clk_usb_setup(struct device_node *np)
{
struct clk *clk;
const char *parent_name;
const char *name = np->name;
u32 divisors[4] = {0, 0, 0, 0};
+ struct regmap *regmap;
parent_name = of_clk_get_parent_name(np, 0);
if (!parent_name)
@@ -430,9 +437,15 @@ void __init of_at91rm9200_clk_usb_setup(struct device_node *np,
of_property_read_string(np, "clock-output-names", &name);
- clk = at91rm9200_clk_register_usb(pmc, name, parent_name, divisors);
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
+ return;
+
+ clk = at91rm9200_clk_register_usb(regmap, name, parent_name, divisors);
if (IS_ERR(clk))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
+CLK_OF_DECLARE(at91rm9200_clk_usb, "atmel,at91rm9200-clk-usb",
+ of_at91rm9200_clk_usb_setup);
diff --git a/drivers/clk/at91/clk-utmi.c b/drivers/clk/at91/clk-utmi.c
index ca561e90a60f..61fcf399e58c 100644
--- a/drivers/clk/at91/clk-utmi.c
+++ b/drivers/clk/at91/clk-utmi.c
@@ -11,14 +11,9 @@
#include <linux/clk-provider.h>
#include <linux/clkdev.h>
#include <linux/clk/at91_pmc.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/of_irq.h>
-#include <linux/io.h>
-#include <linux/sched.h>
-#include <linux/wait.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include "pmc.h"
@@ -26,37 +21,30 @@
struct clk_utmi {
struct clk_hw hw;
- struct at91_pmc *pmc;
- unsigned int irq;
- wait_queue_head_t wait;
+ struct regmap *regmap;
};
#define to_clk_utmi(hw) container_of(hw, struct clk_utmi, hw)
-static irqreturn_t clk_utmi_irq_handler(int irq, void *dev_id)
+static inline bool clk_utmi_ready(struct regmap *regmap)
{
- struct clk_utmi *utmi = (struct clk_utmi *)dev_id;
+ unsigned int status;
- wake_up(&utmi->wait);
- disable_irq_nosync(utmi->irq);
+ regmap_read(regmap, AT91_PMC_SR, &status);
- return IRQ_HANDLED;
+ return status & AT91_PMC_LOCKU;
}
static int clk_utmi_prepare(struct clk_hw *hw)
{
struct clk_utmi *utmi = to_clk_utmi(hw);
- struct at91_pmc *pmc = utmi->pmc;
- u32 tmp = pmc_read(pmc, AT91_CKGR_UCKR) | AT91_PMC_UPLLEN |
- AT91_PMC_UPLLCOUNT | AT91_PMC_BIASEN;
+ unsigned int uckr = AT91_PMC_UPLLEN | AT91_PMC_UPLLCOUNT |
+ AT91_PMC_BIASEN;
- pmc_write(pmc, AT91_CKGR_UCKR, tmp);
+ regmap_update_bits(utmi->regmap, AT91_CKGR_UCKR, uckr, uckr);
- while (!(pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_LOCKU)) {
- enable_irq(utmi->irq);
- wait_event(utmi->wait,
- pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_LOCKU);
- }
+ while (!clk_utmi_ready(utmi->regmap))
+ cpu_relax();
return 0;
}
@@ -64,18 +52,15 @@ static int clk_utmi_prepare(struct clk_hw *hw)
static int clk_utmi_is_prepared(struct clk_hw *hw)
{
struct clk_utmi *utmi = to_clk_utmi(hw);
- struct at91_pmc *pmc = utmi->pmc;
- return !!(pmc_read(pmc, AT91_PMC_SR) & AT91_PMC_LOCKU);
+ return clk_utmi_ready(utmi->regmap);
}
static void clk_utmi_unprepare(struct clk_hw *hw)
{
struct clk_utmi *utmi = to_clk_utmi(hw);
- struct at91_pmc *pmc = utmi->pmc;
- u32 tmp = pmc_read(pmc, AT91_CKGR_UCKR) & ~AT91_PMC_UPLLEN;
- pmc_write(pmc, AT91_CKGR_UCKR, tmp);
+ regmap_update_bits(utmi->regmap, AT91_CKGR_UCKR, AT91_PMC_UPLLEN, 0);
}
static unsigned long clk_utmi_recalc_rate(struct clk_hw *hw,
@@ -93,10 +78,9 @@ static const struct clk_ops utmi_ops = {
};
static struct clk * __init
-at91_clk_register_utmi(struct at91_pmc *pmc, unsigned int irq,
+at91_clk_register_utmi(struct regmap *regmap,
const char *name, const char *parent_name)
{
- int ret;
struct clk_utmi *utmi;
struct clk *clk = NULL;
struct clk_init_data init;
@@ -112,52 +96,36 @@ at91_clk_register_utmi(struct at91_pmc *pmc, unsigned int irq,
init.flags = CLK_SET_RATE_GATE;
utmi->hw.init = &init;
- utmi->pmc = pmc;
- utmi->irq = irq;
- init_waitqueue_head(&utmi->wait);
- irq_set_status_flags(utmi->irq, IRQ_NOAUTOEN);
- ret = request_irq(utmi->irq, clk_utmi_irq_handler,
- IRQF_TRIGGER_HIGH, "clk-utmi", utmi);
- if (ret) {
- kfree(utmi);
- return ERR_PTR(ret);
- }
+ utmi->regmap = regmap;
clk = clk_register(NULL, &utmi->hw);
- if (IS_ERR(clk)) {
- free_irq(utmi->irq, utmi);
+ if (IS_ERR(clk))
kfree(utmi);
- }
return clk;
}
-static void __init
-of_at91_clk_utmi_setup(struct device_node *np, struct at91_pmc *pmc)
+static void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np)
{
- unsigned int irq;
struct clk *clk;
const char *parent_name;
const char *name = np->name;
+ struct regmap *regmap;
parent_name = of_clk_get_parent_name(np, 0);
of_property_read_string(np, "clock-output-names", &name);
- irq = irq_of_parse_and_map(np, 0);
- if (!irq)
+ regmap = syscon_node_to_regmap(of_get_parent(np));
+ if (IS_ERR(regmap))
return;
- clk = at91_clk_register_utmi(pmc, irq, name, parent_name);
+ clk = at91_clk_register_utmi(regmap, name, parent_name);
if (IS_ERR(clk))
return;
of_clk_add_provider(np, of_clk_src_simple_get, clk);
return;
}
-
-void __init of_at91sam9x5_clk_utmi_setup(struct device_node *np,
- struct at91_pmc *pmc)
-{
- of_at91_clk_utmi_setup(np, pmc);
-}
+CLK_OF_DECLARE(at91sam9x5_clk_utmi, "atmel,at91sam9x5-clk-utmi",
+ of_at91sam9x5_clk_utmi_setup);
diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c
index 8476b570779b..526df5ba042d 100644
--- a/drivers/clk/at91/pmc.c
+++ b/drivers/clk/at91/pmc.c
@@ -12,36 +12,13 @@
#include <linux/clkdev.h>
#include <linux/clk/at91_pmc.h>
#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/io.h>
-#include <linux/interrupt.h>
-#include <linux/irq.h>
-#include <linux/irqchip/chained_irq.h>
-#include <linux/irqdomain.h>
-#include <linux/of_irq.h>
+#include <linux/mfd/syscon.h>
+#include <linux/regmap.h>
#include <asm/proc-fns.h>
#include "pmc.h"
-void __iomem *at91_pmc_base;
-EXPORT_SYMBOL_GPL(at91_pmc_base);
-
-void at91rm9200_idle(void)
-{
- /*
- * Disable the processor clock. The processor will be automatically
- * re-enabled by an interrupt or by a reset.
- */
- at91_pmc_write(AT91_PMC_SCDR, AT91_PMC_PCK);
-}
-
-void at91sam9_idle(void)
-{
- at91_pmc_write(AT91_PMC_SCDR, AT91_PMC_PCK);
- cpu_do_idle();
-}
-
int of_at91_get_clk_range(struct device_node *np, const char *propname,
struct clk_range *range)
{
@@ -64,402 +41,3 @@ int of_at91_get_clk_range(struct device_node *np, const char *propname,
return 0;
}
EXPORT_SYMBOL_GPL(of_at91_get_clk_range);
-
-static void pmc_irq_mask(struct irq_data *d)
-{
- struct at91_pmc *pmc = irq_data_get_irq_chip_data(d);
-
- pmc_write(pmc, AT91_PMC_IDR, 1 << d->hwirq);
-}
-
-static void pmc_irq_unmask(struct irq_data *d)
-{
- struct at91_pmc *pmc = irq_data_get_irq_chip_data(d);
-
- pmc_write(pmc, AT91_PMC_IER, 1 << d->hwirq);
-}
-
-static int pmc_irq_set_type(struct irq_data *d, unsigned type)
-{
- if (type != IRQ_TYPE_LEVEL_HIGH) {
- pr_warn("PMC: type not supported (support only IRQ_TYPE_LEVEL_HIGH type)\n");
- return -EINVAL;
- }
-
- return 0;
-}
-
-static void pmc_irq_suspend(struct irq_data *d)
-{
- struct at91_pmc *pmc = irq_data_get_irq_chip_data(d);
-
- pmc->imr = pmc_read(pmc, AT91_PMC_IMR);
- pmc_write(pmc, AT91_PMC_IDR, pmc->imr);
-}
-
-static void pmc_irq_resume(struct irq_data *d)
-{
- struct at91_pmc *pmc = irq_data_get_irq_chip_data(d);
-
- pmc_write(pmc, AT91_PMC_IER, pmc->imr);
-}
-
-static struct irq_chip pmc_irq = {
- .name = "PMC",
- .irq_disable = pmc_irq_mask,
- .irq_mask = pmc_irq_mask,
- .irq_unmask = pmc_irq_unmask,
- .irq_set_type = pmc_irq_set_type,
- .irq_suspend = pmc_irq_suspend,
- .irq_resume = pmc_irq_resume,
-};
-
-static struct lock_class_key pmc_lock_class;
-
-static int pmc_irq_map(struct irq_domain *h, unsigned int virq,
- irq_hw_number_t hw)
-{
- struct at91_pmc *pmc = h->host_data;
-
- irq_set_lockdep_class(virq, &pmc_lock_class);
-
- irq_set_chip_and_handler(virq, &pmc_irq,
- handle_level_irq);
- irq_set_chip_data(virq, pmc);
-
- return 0;
-}
-
-static int pmc_irq_domain_xlate(struct irq_domain *d,
- struct device_node *ctrlr,
- const u32 *intspec, unsigned int intsize,
- irq_hw_number_t *out_hwirq,
- unsigned int *out_type)
-{
- struct at91_pmc *pmc = d->host_data;
- const struct at91_pmc_caps *caps = pmc->caps;
-
- if (WARN_ON(intsize < 1))
- return -EINVAL;
-
- *out_hwirq = intspec[0];
-
- if (!(caps->available_irqs & (1 << *out_hwirq)))
- return -EINVAL;
-
- *out_type = IRQ_TYPE_LEVEL_HIGH;
-
- return 0;
-}
-
-static const struct irq_domain_ops pmc_irq_ops = {
- .map = pmc_irq_map,
- .xlate = pmc_irq_domain_xlate,
-};
-
-static irqreturn_t pmc_irq_handler(int irq, void *data)
-{
- struct at91_pmc *pmc = (struct at91_pmc *)data;
- unsigned long sr;
- int n;
-
- sr = pmc_read(pmc, AT91_PMC_SR) & pmc_read(pmc, AT91_PMC_IMR);
- if (!sr)
- return IRQ_NONE;
-
- for_each_set_bit(n, &sr, BITS_PER_LONG)
- generic_handle_irq(irq_find_mapping(pmc->irqdomain, n));
-
- return IRQ_HANDLED;
-}
-
-static const struct at91_pmc_caps at91rm9200_caps = {
- .available_irqs = AT91_PMC_MOSCS | AT91_PMC_LOCKA | AT91_PMC_LOCKB |
- AT91_PMC_MCKRDY | AT91_PMC_PCK0RDY |
- AT91_PMC_PCK1RDY | AT91_PMC_PCK2RDY |
- AT91_PMC_PCK3RDY,
-};
-
-static const struct at91_pmc_caps at91sam9260_caps = {
- .available_irqs = AT91_PMC_MOSCS | AT91_PMC_LOCKA | AT91_PMC_LOCKB |
- AT91_PMC_MCKRDY | AT91_PMC_PCK0RDY |
- AT91_PMC_PCK1RDY,
-};
-
-static const struct at91_pmc_caps at91sam9g45_caps = {
- .available_irqs = AT91_PMC_MOSCS | AT91_PMC_LOCKA | AT91_PMC_MCKRDY |
- AT91_PMC_LOCKU | AT91_PMC_PCK0RDY |
- AT91_PMC_PCK1RDY,
-};
-
-static const struct at91_pmc_caps at91sam9n12_caps = {
- .available_irqs = AT91_PMC_MOSCS | AT91_PMC_LOCKA | AT91_PMC_LOCKB |
- AT91_PMC_MCKRDY | AT91_PMC_PCK0RDY |
- AT91_PMC_PCK1RDY | AT91_PMC_MOSCSELS |
- AT91_PMC_MOSCRCS | AT91_PMC_CFDEV,
-};
-
-static const struct at91_pmc_caps at91sam9x5_caps = {
- .available_irqs = AT91_PMC_MOSCS | AT91_PMC_LOCKA | AT91_PMC_MCKRDY |
- AT91_PMC_LOCKU | AT91_PMC_PCK0RDY |
- AT91_PMC_PCK1RDY | AT91_PMC_MOSCSELS |
- AT91_PMC_MOSCRCS | AT91_PMC_CFDEV,
-};
-
-static const struct at91_pmc_caps sama5d2_caps = {
- .available_irqs = AT91_PMC_MOSCS | AT91_PMC_LOCKA | AT91_PMC_MCKRDY |
- AT91_PMC_LOCKU | AT91_PMC_PCK0RDY |
- AT91_PMC_PCK1RDY | AT91_PMC_PCK2RDY |
- AT91_PMC_MOSCSELS | AT91_PMC_MOSCRCS |
- AT91_PMC_CFDEV | AT91_PMC_GCKRDY,
-};
-
-static const struct at91_pmc_caps sama5d3_caps = {
- .available_irqs = AT91_PMC_MOSCS | AT91_PMC_LOCKA | AT91_PMC_MCKRDY |
- AT91_PMC_LOCKU | AT91_PMC_PCK0RDY |
- AT91_PMC_PCK1RDY | AT91_PMC_PCK2RDY |
- AT91_PMC_MOSCSELS | AT91_PMC_MOSCRCS |
- AT91_PMC_CFDEV,
-};
-
-static struct at91_pmc *__init at91_pmc_init(struct device_node *np,
- void __iomem *regbase, int virq,
- const struct at91_pmc_caps *caps)
-{
- struct at91_pmc *pmc;
-
- if (!regbase || !virq || !caps)
- return NULL;
-
- at91_pmc_base = regbase;
-
- pmc = kzalloc(sizeof(*pmc), GFP_KERNEL);
- if (!pmc)
- return NULL;
-
- spin_lock_init(&pmc->lock);
- pmc->regbase = regbase;
- pmc->virq = virq;
- pmc->caps = caps;
-
- pmc->irqdomain = irq_domain_add_linear(np, 32, &pmc_irq_ops, pmc);
-
- if (!pmc->irqdomain)
- goto out_free_pmc;
-
- pmc_write(pmc, AT91_PMC_IDR, 0xffffffff);
- if (request_irq(pmc->virq, pmc_irq_handler,
- IRQF_SHARED | IRQF_COND_SUSPEND, "pmc", pmc))
- goto out_remove_irqdomain;
-
- return pmc;
-
-out_remove_irqdomain:
- irq_domain_remove(pmc->irqdomain);
-out_free_pmc:
- kfree(pmc);
-
- return NULL;
-}
-
-static const struct of_device_id pmc_clk_ids[] __initconst = {
- /* Slow oscillator */
- {
- .compatible = "atmel,at91sam9260-clk-slow",
- .data = of_at91sam9260_clk_slow_setup,
- },
- /* Main clock */
- {
- .compatible = "atmel,at91rm9200-clk-main-osc",
- .data = of_at91rm9200_clk_main_osc_setup,
- },
- {
- .compatible = "atmel,at91sam9x5-clk-main-rc-osc",
- .data = of_at91sam9x5_clk_main_rc_osc_setup,
- },
- {
- .compatible = "atmel,at91rm9200-clk-main",
- .data = of_at91rm9200_clk_main_setup,
- },
- {
- .compatible = "atmel,at91sam9x5-clk-main",
- .data = of_at91sam9x5_clk_main_setup,
- },
- /* PLL clocks */
- {
- .compatible = "atmel,at91rm9200-clk-pll",
- .data = of_at91rm9200_clk_pll_setup,
- },
- {
- .compatible = "atmel,at91sam9g45-clk-pll",
- .data = of_at91sam9g45_clk_pll_setup,
- },
- {
- .compatible = "atmel,at91sam9g20-clk-pllb",
- .data = of_at91sam9g20_clk_pllb_setup,
- },
- {
- .compatible = "atmel,sama5d3-clk-pll",
- .data = of_sama5d3_clk_pll_setup,
- },
- {
- .compatible = "atmel,at91sam9x5-clk-plldiv",
- .data = of_at91sam9x5_clk_plldiv_setup,
- },
- /* Master clock */
- {
- .compatible = "atmel,at91rm9200-clk-master",
- .data = of_at91rm9200_clk_master_setup,
- },
- {
- .compatible = "atmel,at91sam9x5-clk-master",
- .data = of_at91sam9x5_clk_master_setup,
- },
- /* System clocks */
- {
- .compatible = "atmel,at91rm9200-clk-system",
- .data = of_at91rm9200_clk_sys_setup,
- },
- /* Peripheral clocks */
- {
- .compatible = "atmel,at91rm9200-clk-peripheral",
- .data = of_at91rm9200_clk_periph_setup,
- },
- {
- .compatible = "atmel,at91sam9x5-clk-peripheral",
- .data = of_at91sam9x5_clk_periph_setup,
- },
- /* Programmable clocks */
- {
- .compatible = "atmel,at91rm9200-clk-programmable",
- .data = of_at91rm9200_clk_prog_setup,
- },
- {
- .compatible = "atmel,at91sam9g45-clk-programmable",
- .data = of_at91sam9g45_clk_prog_setup,
- },
- {
- .compatible = "atmel,at91sam9x5-clk-programmable",
- .data = of_at91sam9x5_clk_prog_setup,
- },
- /* UTMI clock */
-#if defined(CONFIG_HAVE_AT91_UTMI)
- {
- .compatible = "atmel,at91sam9x5-clk-utmi",
- .data = of_at91sam9x5_clk_utmi_setup,
- },
-#endif
- /* USB clock */
-#if defined(CONFIG_HAVE_AT91_USB_CLK)
- {
- .compatible = "atmel,at91rm9200-clk-usb",
- .data = of_at91rm9200_clk_usb_setup,
- },
- {
- .compatible = "atmel,at91sam9x5-clk-usb",
- .data = of_at91sam9x5_clk_usb_setup,
- },
- {
- .compatible = "atmel,at91sam9n12-clk-usb",
- .data = of_at91sam9n12_clk_usb_setup,
- },
-#endif
- /* SMD clock */
-#if defined(CONFIG_HAVE_AT91_SMD)
- {
- .compatible = "atmel,at91sam9x5-clk-smd",
- .data = of_at91sam9x5_clk_smd_setup,
- },
-#endif
-#if defined(CONFIG_HAVE_AT91_H32MX)
- {
- .compatible = "atmel,sama5d4-clk-h32mx",
- .data = of_sama5d4_clk_h32mx_setup,
- },
-#endif
-#if defined(CONFIG_HAVE_AT91_GENERATED_CLK)
- {
- .compatible = "atmel,sama5d2-clk-generated",
- .data = of_sama5d2_clk_generated_setup,
- },
-#endif
- { /*sentinel*/ }
-};
-
-static void __init of_at91_pmc_setup(struct device_node *np,
- const struct at91_pmc_caps *caps)
-{
- struct at91_pmc *pmc;
- struct device_node *childnp;
- void (*clk_setup)(struct device_node *, struct at91_pmc *);
- const struct of_device_id *clk_id;
- void __iomem *regbase = of_iomap(np, 0);
- int virq;
-
- if (!regbase)
- return;
-
- virq = irq_of_parse_and_map(np, 0);
- if (!virq)
- return;
-
- pmc = at91_pmc_init(np, regbase, virq, caps);
- if (!pmc)
- return;
- for_each_child_of_node(np, childnp) {
- clk_id = of_match_node(pmc_clk_ids, childnp);
- if (!clk_id)
- continue;
- clk_setup = clk_id->data;
- clk_setup(childnp, pmc);
- }
-}
-
-static void __init of_at91rm9200_pmc_setup(struct device_node *np)
-{
- of_at91_pmc_setup(np, &at91rm9200_caps);
-}
-CLK_OF_DECLARE(at91rm9200_clk_pmc, "atmel,at91rm9200-pmc",
- of_at91rm9200_pmc_setup);
-
-static void __init of_at91sam9260_pmc_setup(struct device_node *np)
-{
- of_at91_pmc_setup(np, &at91sam9260_caps);
-}
-CLK_OF_DECLARE(at91sam9260_clk_pmc, "atmel,at91sam9260-pmc",
- of_at91sam9260_pmc_setup);
-
-static void __init of_at91sam9g45_pmc_setup(struct device_node *np)
-{
- of_at91_pmc_setup(np, &at91sam9g45_caps);
-}
-CLK_OF_DECLARE(at91sam9g45_clk_pmc, "atmel,at91sam9g45-pmc",
- of_at91sam9g45_pmc_setup);
-
-static void __init of_at91sam9n12_pmc_setup(struct device_node *np)
-{
- of_at91_pmc_setup(np, &at91sam9n12_caps);
-}
-CLK_OF_DECLARE(at91sam9n12_clk_pmc, "atmel,at91sam9n12-pmc",
- of_at91sam9n12_pmc_setup);
-
-static void __init of_at91sam9x5_pmc_setup(struct device_node *np)
-{
- of_at91_pmc_setup(np, &at91sam9x5_caps);
-}
-CLK_OF_DECLARE(at91sam9x5_clk_pmc, "atmel,at91sam9x5-pmc",
- of_at91sam9x5_pmc_setup);
-
-static void __init of_sama5d2_pmc_setup(struct device_node *np)
-{
- of_at91_pmc_setup(np, &sama5d2_caps);
-}
-CLK_OF_DECLARE(sama5d2_clk_pmc, "atmel,sama5d2-pmc",
- of_sama5d2_pmc_setup);
-
-static void __init of_sama5d3_pmc_setup(struct device_node *np)
-{
- of_at91_pmc_setup(np, &sama5d3_caps);
-}
-CLK_OF_DECLARE(sama5d3_clk_pmc, "atmel,sama5d3-pmc",
- of_sama5d3_pmc_setup);
diff --git a/drivers/clk/at91/pmc.h b/drivers/clk/at91/pmc.h
index f65739272779..5771fff0ee3f 100644
--- a/drivers/clk/at91/pmc.h
+++ b/drivers/clk/at91/pmc.h
@@ -14,8 +14,11 @@
#include <linux/io.h>
#include <linux/irqdomain.h>
+#include <linux/regmap.h>
#include <linux/spinlock.h>
+extern spinlock_t pmc_pcr_lock;
+
struct clk_range {
unsigned long min;
unsigned long max;
@@ -23,102 +26,7 @@ struct clk_range {
#define CLK_RANGE(MIN, MAX) {.min = MIN, .max = MAX,}
-struct at91_pmc_caps {
- u32 available_irqs;
-};
-
-struct at91_pmc {
- void __iomem *regbase;
- int virq;
- spinlock_t lock;
- const struct at91_pmc_caps *caps;
- struct irq_domain *irqdomain;
- u32 imr;
-};
-
-static inline void pmc_lock(struct at91_pmc *pmc)
-{
- spin_lock(&pmc->lock);
-}
-
-static inline void pmc_unlock(struct at91_pmc *pmc)
-{
- spin_unlock(&pmc->lock);
-}
-
-static inline u32 pmc_read(struct at91_pmc *pmc, int offset)
-{
- return readl(pmc->regbase + offset);
-}
-
-static inline void pmc_write(struct at91_pmc *pmc, int offset, u32 value)
-{
- writel(value, pmc->regbase + offset);
-}
-
int of_at91_get_clk_range(struct device_node *np, const char *propname,
struct clk_range *range);
-void of_at91sam9260_clk_slow_setup(struct device_node *np,
- struct at91_pmc *pmc);
-
-void of_at91rm9200_clk_main_osc_setup(struct device_node *np,
- struct at91_pmc *pmc);
-void of_at91sam9x5_clk_main_rc_osc_setup(struct device_node *np,
- struct at91_pmc *pmc);
-void of_at91rm9200_clk_main_setup(struct device_node *np,
- struct at91_pmc *pmc);
-void of_at91sam9x5_clk_main_setup(struct device_node *np,
- struct at91_pmc *pmc);
-
-void of_at91rm9200_clk_pll_setup(struct device_node *np,
- struct at91_pmc *pmc);
-void of_at91sam9g45_clk_pll_setup(struct device_node *np,
- struct at91_pmc *pmc);
-void of_at91sam9g20_clk_pllb_setup(struct device_node *np,
- struct at91_pmc *pmc);
-void of_sama5d3_clk_pll_setup(struct device_node *np,
- struct at91_pmc *pmc);
-void of_at91sam9x5_clk_plldiv_setup(struct device_node *np,
- struct at91_pmc *pmc);
-
-void of_at91rm9200_clk_master_setup(struct device_node *np,
- struct at91_pmc *pmc);
-void of_at91sam9x5_clk_master_setup(struct device_node *np,
- struct at91_pmc *pmc);
-
-void of_at91rm9200_clk_sys_setup(struct device_node *np,
- struct at91_pmc *pmc);
-
-void of_at91rm9200_clk_periph_setup(struct device_node *np,
- struct at91_pmc *pmc);
-void of_at91sam9x5_clk_periph_setup(struct device_node *np,
- struct at91_pmc *pmc);
-
-void of_at91rm9200_clk_prog_setup(struct device_node *np,
- struct at91_pmc *pmc);
-void of_at91sam9g45_clk_prog_setup(struct device_node *np,
- struct at91_pmc *pmc);
-void of_at91sam9x5_clk_prog_setup(struct device_node *np,
- struct at91_pmc *pmc);
-
-void of_at91sam9x5_clk_utmi_setup(struct device_node *np,
- struct at91_pmc *pmc);
-
-void of_at91rm9200_clk_usb_setup(struct device_node *np,
- struct at91_pmc *pmc);
-void of_at91sam9x5_clk_usb_setup(struct device_node *np,
- struct at91_pmc *pmc);
-void of_at91sam9n12_clk_usb_setup(struct device_node *np,
- struct at91_pmc *pmc);
-
-void of_at91sam9x5_clk_smd_setup(struct device_node *np,
- struct at91_pmc *pmc);
-
-void of_sama5d4_clk_h32mx_setup(struct device_node *np,
- struct at91_pmc *pmc);
-
-void of_sama5d2_clk_generated_setup(struct device_node *np,
- struct at91_pmc *pmc);
-
#endif /* __PMC_H_ */
diff --git a/drivers/clk/bcm/clk-bcm2835-aux.c b/drivers/clk/bcm/clk-bcm2835-aux.c
index e4f89e28b5ec..3a177ade6e6c 100644
--- a/drivers/clk/bcm/clk-bcm2835-aux.c
+++ b/drivers/clk/bcm/clk-bcm2835-aux.c
@@ -38,8 +38,8 @@ static int bcm2835_aux_clk_probe(struct platform_device *pdev)
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
reg = devm_ioremap_resource(dev, res);
- if (!reg)
- return -ENODEV;
+ if (IS_ERR(reg))
+ return PTR_ERR(reg);
onecell = devm_kmalloc(dev, sizeof(*onecell), GFP_KERNEL);
if (!onecell)
diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index 015e687ffabe..c74ed3fd496d 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -88,10 +88,23 @@
#define CM_HSMDIV 0x08c
#define CM_OTPCTL 0x090
#define CM_OTPDIV 0x094
+#define CM_PCMCTL 0x098
+#define CM_PCMDIV 0x09c
#define CM_PWMCTL 0x0a0
#define CM_PWMDIV 0x0a4
+#define CM_SLIMCTL 0x0a8
+#define CM_SLIMDIV 0x0ac
#define CM_SMICTL 0x0b0
#define CM_SMIDIV 0x0b4
+/* no definition for 0x0b8 and 0x0bc */
+#define CM_TCNTCTL 0x0c0
+#define CM_TCNTDIV 0x0c4
+#define CM_TECCTL 0x0c8
+#define CM_TECDIV 0x0cc
+#define CM_TD0CTL 0x0d0
+#define CM_TD0DIV 0x0d4
+#define CM_TD1CTL 0x0d8
+#define CM_TD1DIV 0x0dc
#define CM_TSENSCTL 0x0e0
#define CM_TSENSDIV 0x0e4
#define CM_TIMERCTL 0x0e8
@@ -311,21 +324,18 @@ void __init bcm2835_init_clocks(void)
struct clk *clk;
int ret;
- clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT,
- 126000000);
+ clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, 0, 126000000);
if (IS_ERR(clk))
pr_err("apb_pclk not registered\n");
- clk = clk_register_fixed_rate(NULL, "uart0_pclk", NULL, CLK_IS_ROOT,
- 3000000);
+ clk = clk_register_fixed_rate(NULL, "uart0_pclk", NULL, 0, 3000000);
if (IS_ERR(clk))
pr_err("uart0_pclk not registered\n");
ret = clk_register_clkdev(clk, NULL, "20201000.uart");
if (ret)
pr_err("uart0_pclk alias not registered\n");
- clk = clk_register_fixed_rate(NULL, "uart1_pclk", NULL, CLK_IS_ROOT,
- 125000000);
+ clk = clk_register_fixed_rate(NULL, "uart1_pclk", NULL, 0, 125000000);
if (IS_ERR(clk))
pr_err("uart1_pclk not registered\n");
ret = clk_register_clkdev(clk, NULL, "20215000.uart");
@@ -1060,16 +1070,7 @@ static long bcm2835_pll_divider_round_rate(struct clk_hw *hw,
static unsigned long bcm2835_pll_divider_get_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- struct bcm2835_pll_divider *divider = bcm2835_pll_divider_from_hw(hw);
- struct bcm2835_cprman *cprman = divider->cprman;
- const struct bcm2835_pll_divider_data *data = divider->data;
- u32 div = cprman_read(cprman, data->a2w_reg);
-
- div &= (1 << A2W_PLL_DIV_BITS) - 1;
- if (div == 0)
- div = 256;
-
- return parent_rate / div;
+ return clk_divider_ops.recalc_rate(hw, parent_rate);
}
static void bcm2835_pll_divider_off(struct clk_hw *hw)
@@ -1107,13 +1108,15 @@ static int bcm2835_pll_divider_set_rate(struct clk_hw *hw,
struct bcm2835_pll_divider *divider = bcm2835_pll_divider_from_hw(hw);
struct bcm2835_cprman *cprman = divider->cprman;
const struct bcm2835_pll_divider_data *data = divider->data;
- u32 cm;
- int ret;
+ u32 cm, div, max_div = 1 << A2W_PLL_DIV_BITS;
- ret = clk_divider_ops.set_rate(hw, rate, parent_rate);
- if (ret)
- return ret;
+ div = DIV_ROUND_UP_ULL(parent_rate, rate);
+
+ div = min(div, max_div);
+ if (div == max_div)
+ div = 0;
+ cprman_write(cprman, data->a2w_reg, div);
cm = cprman_read(cprman, data->cm_reg);
cprman_write(cprman, data->cm_reg, cm | data->load_mask);
cprman_write(cprman, data->cm_reg, cm & ~data->load_mask);
@@ -1428,7 +1431,7 @@ bcm2835_register_pll_divider(struct bcm2835_cprman *cprman,
divider->div.reg = cprman->regs + data->a2w_reg;
divider->div.shift = A2W_PLL_DIV_SHIFT;
divider->div.width = A2W_PLL_DIV_BITS;
- divider->div.flags = 0;
+ divider->div.flags = CLK_DIVIDER_MAX_AT_ZERO;
divider->div.lock = &cprman->regs_lock;
divider->div.hw.init = &init;
divider->div.table = NULL;
diff --git a/drivers/clk/bcm/clk-cygnus.c b/drivers/clk/bcm/clk-cygnus.c
index 3a228b6d4fee..464fdc4bc66b 100644
--- a/drivers/clk/bcm/clk-cygnus.c
+++ b/drivers/clk/bcm/clk-cygnus.c
@@ -268,3 +268,62 @@ static void __init cygnus_asiu_init(struct device_node *node)
iproc_asiu_setup(node, asiu_div, asiu_gate, ARRAY_SIZE(asiu_div));
}
CLK_OF_DECLARE(cygnus_asiu_clk, "brcm,cygnus-asiu-clk", cygnus_asiu_init);
+
+/*
+ * AUDIO PLL VCO frequency parameter table
+ *
+ * PLL output frequency = ((ndiv_int + ndiv_frac / 2^20) *
+ * (parent clock rate / pdiv)
+ *
+ * On Cygnus, parent is the 25MHz oscillator
+ */
+static const struct iproc_pll_vco_param audiopll_vco_params[] = {
+ /* rate (Hz) ndiv_int ndiv_frac pdiv */
+ { 1354750204UL, 54, 199238, 1 },
+ { 1769470191UL, 70, 816639, 1 },
+};
+
+static const struct iproc_pll_ctrl audiopll = {
+ .flags = IPROC_CLK_PLL_NEEDS_SW_CFG | IPROC_CLK_PLL_HAS_NDIV_FRAC |
+ IPROC_CLK_PLL_USER_MODE_ON | IPROC_CLK_PLL_RESET_ACTIVE_LOW,
+ .reset = RESET_VAL(0x5c, 0, 1),
+ .dig_filter = DF_VAL(0x48, 0, 3, 6, 4, 3, 3),
+ .sw_ctrl = SW_CTRL_VAL(0x4, 0),
+ .ndiv_int = REG_VAL(0x8, 0, 10),
+ .ndiv_frac = REG_VAL(0x8, 10, 20),
+ .pdiv = REG_VAL(0x44, 0, 4),
+ .vco_ctrl = VCO_CTRL_VAL(0x0c, 0x10),
+ .status = REG_VAL(0x54, 0, 1),
+ .macro_mode = REG_VAL(0x0, 0, 3),
+};
+
+static const struct iproc_clk_ctrl audiopll_clk[] = {
+ [BCM_CYGNUS_AUDIOPLL_CH0] = {
+ .channel = BCM_CYGNUS_AUDIOPLL_CH0,
+ .flags = IPROC_CLK_AON |
+ IPROC_CLK_MCLK_DIV_BY_2,
+ .enable = ENABLE_VAL(0x14, 8, 10, 9),
+ .mdiv = REG_VAL(0x14, 0, 8),
+ },
+ [BCM_CYGNUS_AUDIOPLL_CH1] = {
+ .channel = BCM_CYGNUS_AUDIOPLL_CH1,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x18, 8, 10, 9),
+ .mdiv = REG_VAL(0x18, 0, 8),
+ },
+ [BCM_CYGNUS_AUDIOPLL_CH2] = {
+ .channel = BCM_CYGNUS_AUDIOPLL_CH2,
+ .flags = IPROC_CLK_AON,
+ .enable = ENABLE_VAL(0x1c, 8, 10, 9),
+ .mdiv = REG_VAL(0x1c, 0, 8),
+ },
+};
+
+static void __init cygnus_audiopll_clk_init(struct device_node *node)
+{
+ iproc_pll_clk_setup(node, &audiopll, audiopll_vco_params,
+ ARRAY_SIZE(audiopll_vco_params), audiopll_clk,
+ ARRAY_SIZE(audiopll_clk));
+}
+CLK_OF_DECLARE(cygnus_audiopll, "brcm,cygnus-audiopll",
+ cygnus_audiopll_clk_init);
diff --git a/drivers/clk/bcm/clk-iproc-pll.c b/drivers/clk/bcm/clk-iproc-pll.c
index afd5891ac9e6..fd492a5dad12 100644
--- a/drivers/clk/bcm/clk-iproc-pll.c
+++ b/drivers/clk/bcm/clk-iproc-pll.c
@@ -25,6 +25,12 @@
#define PLL_VCO_HIGH_SHIFT 19
#define PLL_VCO_LOW_SHIFT 30
+/*
+ * PLL MACRO_SELECT modes 0 to 5 choose pre-calculated PLL output frequencies
+ * from a look-up table. Mode 7 allows user to manipulate PLL clock dividers
+ */
+#define PLL_USER_MODE 7
+
/* number of delay loops waiting for PLL to lock */
#define LOCK_DELAY 100
@@ -215,7 +221,10 @@ static void __pll_put_in_reset(struct iproc_pll *pll)
const struct iproc_pll_reset_ctrl *reset = &ctrl->reset;
val = readl(pll->control_base + reset->offset);
- val &= ~(1 << reset->reset_shift | 1 << reset->p_reset_shift);
+ if (ctrl->flags & IPROC_CLK_PLL_RESET_ACTIVE_LOW)
+ val |= BIT(reset->reset_shift) | BIT(reset->p_reset_shift);
+ else
+ val &= ~(BIT(reset->reset_shift) | BIT(reset->p_reset_shift));
iproc_pll_write(pll, pll->control_base, reset->offset, val);
}
@@ -236,7 +245,10 @@ static void __pll_bring_out_reset(struct iproc_pll *pll, unsigned int kp,
iproc_pll_write(pll, pll->control_base, dig_filter->offset, val);
val = readl(pll->control_base + reset->offset);
- val |= 1 << reset->reset_shift | 1 << reset->p_reset_shift;
+ if (ctrl->flags & IPROC_CLK_PLL_RESET_ACTIVE_LOW)
+ val &= ~(BIT(reset->reset_shift) | BIT(reset->p_reset_shift));
+ else
+ val |= BIT(reset->reset_shift) | BIT(reset->p_reset_shift);
iproc_pll_write(pll, pll->control_base, reset->offset, val);
}
@@ -292,6 +304,16 @@ static int pll_set_rate(struct iproc_clk *clk, unsigned int rate_index,
/* put PLL in reset */
__pll_put_in_reset(pll);
+ /* set PLL in user mode before modifying PLL controls */
+ if (ctrl->flags & IPROC_CLK_PLL_USER_MODE_ON) {
+ val = readl(pll->control_base + ctrl->macro_mode.offset);
+ val &= ~(bit_mask(ctrl->macro_mode.width) <<
+ ctrl->macro_mode.shift);
+ val |= PLL_USER_MODE << ctrl->macro_mode.shift;
+ iproc_pll_write(pll, pll->control_base,
+ ctrl->macro_mode.offset, val);
+ }
+
iproc_pll_write(pll, pll->control_base, ctrl->vco_ctrl.u_offset, 0);
val = readl(pll->control_base + ctrl->vco_ctrl.l_offset);
@@ -505,7 +527,10 @@ static unsigned long iproc_clk_recalc_rate(struct clk_hw *hw,
if (mdiv == 0)
mdiv = 256;
- clk->rate = parent_rate / mdiv;
+ if (ctrl->flags & IPROC_CLK_MCLK_DIV_BY_2)
+ clk->rate = parent_rate / (mdiv * 2);
+ else
+ clk->rate = parent_rate / mdiv;
return clk->rate;
}
@@ -543,7 +568,10 @@ static int iproc_clk_set_rate(struct clk_hw *hw, unsigned long rate,
if (rate == 0 || parent_rate == 0)
return -EINVAL;
- div = DIV_ROUND_UP(parent_rate, rate);
+ if (ctrl->flags & IPROC_CLK_MCLK_DIV_BY_2)
+ div = DIV_ROUND_UP(parent_rate, rate * 2);
+ else
+ div = DIV_ROUND_UP(parent_rate, rate);
if (div > 256)
return -EINVAL;
@@ -555,7 +583,10 @@ static int iproc_clk_set_rate(struct clk_hw *hw, unsigned long rate,
val |= div << ctrl->mdiv.shift;
}
iproc_pll_write(pll, pll->control_base, ctrl->mdiv.offset, val);
- clk->rate = parent_rate / div;
+ if (ctrl->flags & IPROC_CLK_MCLK_DIV_BY_2)
+ clk->rate = parent_rate / (div * 2);
+ else
+ clk->rate = parent_rate / div;
return 0;
}
diff --git a/drivers/clk/bcm/clk-iproc.h b/drivers/clk/bcm/clk-iproc.h
index 8988de70a98c..2148b4ea9f28 100644
--- a/drivers/clk/bcm/clk-iproc.h
+++ b/drivers/clk/bcm/clk-iproc.h
@@ -61,6 +61,26 @@
#define IPROC_CLK_PLL_SPLIT_STAT_CTRL BIT(6)
/*
+ * Some PLLs have an additional divide by 2 in master clock calculation;
+ * MCLK = VCO_freq / (Mdiv * 2). Identify this to let the driver know
+ * of modified calculations
+ */
+#define IPROC_CLK_MCLK_DIV_BY_2 BIT(7)
+
+/*
+ * Some PLLs provide a look up table for the leaf clock frequencies and
+ * auto calculates VCO frequency parameters based on the provided leaf
+ * clock frequencies. They have a user mode that allows the divider
+ * controls to be determined by the user
+ */
+#define IPROC_CLK_PLL_USER_MODE_ON BIT(8)
+
+/*
+ * Some PLLs have an active low reset
+ */
+#define IPROC_CLK_PLL_RESET_ACTIVE_LOW BIT(9)
+
+/*
* Parameters for VCO frequency configuration
*
* VCO frequency =
@@ -149,6 +169,7 @@ struct iproc_pll_ctrl {
struct iproc_clk_reg_op pdiv;
struct iproc_pll_vco_ctrl vco_ctrl;
struct iproc_clk_reg_op status;
+ struct iproc_clk_reg_op macro_mode;
};
/*
@@ -183,16 +204,16 @@ struct iproc_asiu_div {
unsigned int low_width;
};
-void __init iproc_armpll_setup(struct device_node *node);
-void __init iproc_pll_clk_setup(struct device_node *node,
- const struct iproc_pll_ctrl *pll_ctrl,
- const struct iproc_pll_vco_param *vco,
- unsigned int num_vco_entries,
- const struct iproc_clk_ctrl *clk_ctrl,
- unsigned int num_clks);
-void __init iproc_asiu_setup(struct device_node *node,
- const struct iproc_asiu_div *div,
- const struct iproc_asiu_gate *gate,
- unsigned int num_clks);
+void iproc_armpll_setup(struct device_node *node);
+void iproc_pll_clk_setup(struct device_node *node,
+ const struct iproc_pll_ctrl *pll_ctrl,
+ const struct iproc_pll_vco_param *vco,
+ unsigned int num_vco_entries,
+ const struct iproc_clk_ctrl *clk_ctrl,
+ unsigned int num_clks);
+void iproc_asiu_setup(struct device_node *node,
+ const struct iproc_asiu_div *div,
+ const struct iproc_asiu_gate *gate,
+ unsigned int num_clks);
#endif /* _CLK_IPROC_H */
diff --git a/drivers/clk/clk-axi-clkgen.c b/drivers/clk/clk-axi-clkgen.c
index 3bcd42fbb55e..3294db3b4e4e 100644
--- a/drivers/clk/clk-axi-clkgen.c
+++ b/drivers/clk/clk-axi-clkgen.c
@@ -16,19 +16,8 @@
#include <linux/module.h>
#include <linux/err.h>
-#define AXI_CLKGEN_V1_REG_UPDATE_ENABLE 0x04
-#define AXI_CLKGEN_V1_REG_CLK_OUT1 0x08
-#define AXI_CLKGEN_V1_REG_CLK_OUT2 0x0c
-#define AXI_CLKGEN_V1_REG_CLK_DIV 0x10
-#define AXI_CLKGEN_V1_REG_CLK_FB1 0x14
-#define AXI_CLKGEN_V1_REG_CLK_FB2 0x18
-#define AXI_CLKGEN_V1_REG_LOCK1 0x1c
-#define AXI_CLKGEN_V1_REG_LOCK2 0x20
-#define AXI_CLKGEN_V1_REG_LOCK3 0x24
-#define AXI_CLKGEN_V1_REG_FILTER1 0x28
-#define AXI_CLKGEN_V1_REG_FILTER2 0x2c
-
#define AXI_CLKGEN_V2_REG_RESET 0x40
+#define AXI_CLKGEN_V2_REG_CLKSEL 0x44
#define AXI_CLKGEN_V2_REG_DRP_CNTRL 0x70
#define AXI_CLKGEN_V2_REG_DRP_STATUS 0x74
@@ -51,40 +40,11 @@
#define MMCM_REG_FILTER1 0x4e
#define MMCM_REG_FILTER2 0x4f
-struct axi_clkgen;
-
-struct axi_clkgen_mmcm_ops {
- void (*enable)(struct axi_clkgen *axi_clkgen, bool enable);
- int (*write)(struct axi_clkgen *axi_clkgen, unsigned int reg,
- unsigned int val, unsigned int mask);
- int (*read)(struct axi_clkgen *axi_clkgen, unsigned int reg,
- unsigned int *val);
-};
-
struct axi_clkgen {
void __iomem *base;
- const struct axi_clkgen_mmcm_ops *mmcm_ops;
struct clk_hw clk_hw;
};
-static void axi_clkgen_mmcm_enable(struct axi_clkgen *axi_clkgen,
- bool enable)
-{
- axi_clkgen->mmcm_ops->enable(axi_clkgen, enable);
-}
-
-static int axi_clkgen_mmcm_write(struct axi_clkgen *axi_clkgen,
- unsigned int reg, unsigned int val, unsigned int mask)
-{
- return axi_clkgen->mmcm_ops->write(axi_clkgen, reg, val, mask);
-}
-
-static int axi_clkgen_mmcm_read(struct axi_clkgen *axi_clkgen,
- unsigned int reg, unsigned int *val)
-{
- return axi_clkgen->mmcm_ops->read(axi_clkgen, reg, val);
-}
-
static uint32_t axi_clkgen_lookup_filter(unsigned int m)
{
switch (m) {
@@ -207,70 +167,6 @@ static void axi_clkgen_read(struct axi_clkgen *axi_clkgen,
*val = readl(axi_clkgen->base + reg);
}
-static unsigned int axi_clkgen_v1_map_mmcm_reg(unsigned int reg)
-{
- switch (reg) {
- case MMCM_REG_CLKOUT0_1:
- return AXI_CLKGEN_V1_REG_CLK_OUT1;
- case MMCM_REG_CLKOUT0_2:
- return AXI_CLKGEN_V1_REG_CLK_OUT2;
- case MMCM_REG_CLK_FB1:
- return AXI_CLKGEN_V1_REG_CLK_FB1;
- case MMCM_REG_CLK_FB2:
- return AXI_CLKGEN_V1_REG_CLK_FB2;
- case MMCM_REG_CLK_DIV:
- return AXI_CLKGEN_V1_REG_CLK_DIV;
- case MMCM_REG_LOCK1:
- return AXI_CLKGEN_V1_REG_LOCK1;
- case MMCM_REG_LOCK2:
- return AXI_CLKGEN_V1_REG_LOCK2;
- case MMCM_REG_LOCK3:
- return AXI_CLKGEN_V1_REG_LOCK3;
- case MMCM_REG_FILTER1:
- return AXI_CLKGEN_V1_REG_FILTER1;
- case MMCM_REG_FILTER2:
- return AXI_CLKGEN_V1_REG_FILTER2;
- default:
- return 0;
- }
-}
-
-static int axi_clkgen_v1_mmcm_write(struct axi_clkgen *axi_clkgen,
- unsigned int reg, unsigned int val, unsigned int mask)
-{
- reg = axi_clkgen_v1_map_mmcm_reg(reg);
- if (reg == 0)
- return -EINVAL;
-
- axi_clkgen_write(axi_clkgen, reg, val);
-
- return 0;
-}
-
-static int axi_clkgen_v1_mmcm_read(struct axi_clkgen *axi_clkgen,
- unsigned int reg, unsigned int *val)
-{
- reg = axi_clkgen_v1_map_mmcm_reg(reg);
- if (reg == 0)
- return -EINVAL;
-
- axi_clkgen_read(axi_clkgen, reg, val);
-
- return 0;
-}
-
-static void axi_clkgen_v1_mmcm_enable(struct axi_clkgen *axi_clkgen,
- bool enable)
-{
- axi_clkgen_write(axi_clkgen, AXI_CLKGEN_V1_REG_UPDATE_ENABLE, enable);
-}
-
-static const struct axi_clkgen_mmcm_ops axi_clkgen_v1_mmcm_ops = {
- .write = axi_clkgen_v1_mmcm_write,
- .read = axi_clkgen_v1_mmcm_read,
- .enable = axi_clkgen_v1_mmcm_enable,
-};
-
static int axi_clkgen_wait_non_busy(struct axi_clkgen *axi_clkgen)
{
unsigned int timeout = 10000;
@@ -286,7 +182,7 @@ static int axi_clkgen_wait_non_busy(struct axi_clkgen *axi_clkgen)
return val & 0xffff;
}
-static int axi_clkgen_v2_mmcm_read(struct axi_clkgen *axi_clkgen,
+static int axi_clkgen_mmcm_read(struct axi_clkgen *axi_clkgen,
unsigned int reg, unsigned int *val)
{
unsigned int reg_val;
@@ -310,7 +206,7 @@ static int axi_clkgen_v2_mmcm_read(struct axi_clkgen *axi_clkgen,
return 0;
}
-static int axi_clkgen_v2_mmcm_write(struct axi_clkgen *axi_clkgen,
+static int axi_clkgen_mmcm_write(struct axi_clkgen *axi_clkgen,
unsigned int reg, unsigned int val, unsigned int mask)
{
unsigned int reg_val = 0;
@@ -321,7 +217,7 @@ static int axi_clkgen_v2_mmcm_write(struct axi_clkgen *axi_clkgen,
return ret;
if (mask != 0xffff) {
- axi_clkgen_v2_mmcm_read(axi_clkgen, reg, &reg_val);
+ axi_clkgen_mmcm_read(axi_clkgen, reg, &reg_val);
reg_val &= ~mask;
}
@@ -332,7 +228,7 @@ static int axi_clkgen_v2_mmcm_write(struct axi_clkgen *axi_clkgen,
return 0;
}
-static void axi_clkgen_v2_mmcm_enable(struct axi_clkgen *axi_clkgen,
+static void axi_clkgen_mmcm_enable(struct axi_clkgen *axi_clkgen,
bool enable)
{
unsigned int val = AXI_CLKGEN_V2_RESET_ENABLE;
@@ -343,12 +239,6 @@ static void axi_clkgen_v2_mmcm_enable(struct axi_clkgen *axi_clkgen,
axi_clkgen_write(axi_clkgen, AXI_CLKGEN_V2_REG_RESET, val);
}
-static const struct axi_clkgen_mmcm_ops axi_clkgen_v2_mmcm_ops = {
- .write = axi_clkgen_v2_mmcm_write,
- .read = axi_clkgen_v2_mmcm_read,
- .enable = axi_clkgen_v2_mmcm_enable,
-};
-
static struct axi_clkgen *clk_hw_to_axi_clkgen(struct clk_hw *clk_hw)
{
return container_of(clk_hw, struct axi_clkgen, clk_hw);
@@ -438,10 +328,7 @@ static unsigned long axi_clkgen_recalc_rate(struct clk_hw *clk_hw,
tmp = (unsigned long long)(parent_rate / d) * m;
do_div(tmp, dout);
- if (tmp > ULONG_MAX)
- return ULONG_MAX;
-
- return tmp;
+ return min_t(unsigned long long, tmp, ULONG_MAX);
}
static int axi_clkgen_enable(struct clk_hw *clk_hw)
@@ -460,21 +347,38 @@ static void axi_clkgen_disable(struct clk_hw *clk_hw)
axi_clkgen_mmcm_enable(axi_clkgen, false);
}
+static int axi_clkgen_set_parent(struct clk_hw *clk_hw, u8 index)
+{
+ struct axi_clkgen *axi_clkgen = clk_hw_to_axi_clkgen(clk_hw);
+
+ axi_clkgen_write(axi_clkgen, AXI_CLKGEN_V2_REG_CLKSEL, index);
+
+ return 0;
+}
+
+static u8 axi_clkgen_get_parent(struct clk_hw *clk_hw)
+{
+ struct axi_clkgen *axi_clkgen = clk_hw_to_axi_clkgen(clk_hw);
+ unsigned int parent;
+
+ axi_clkgen_read(axi_clkgen, AXI_CLKGEN_V2_REG_CLKSEL, &parent);
+
+ return parent;
+}
+
static const struct clk_ops axi_clkgen_ops = {
.recalc_rate = axi_clkgen_recalc_rate,
.round_rate = axi_clkgen_round_rate,
.set_rate = axi_clkgen_set_rate,
.enable = axi_clkgen_enable,
.disable = axi_clkgen_disable,
+ .set_parent = axi_clkgen_set_parent,
+ .get_parent = axi_clkgen_get_parent,
};
static const struct of_device_id axi_clkgen_ids[] = {
{
- .compatible = "adi,axi-clkgen-1.00.a",
- .data = &axi_clkgen_v1_mmcm_ops
- }, {
.compatible = "adi,axi-clkgen-2.00.a",
- .data = &axi_clkgen_v2_mmcm_ops,
},
{ },
};
@@ -485,10 +389,11 @@ static int axi_clkgen_probe(struct platform_device *pdev)
const struct of_device_id *id;
struct axi_clkgen *axi_clkgen;
struct clk_init_data init;
- const char *parent_name;
+ const char *parent_names[2];
const char *clk_name;
struct resource *mem;
struct clk *clk;
+ unsigned int i;
if (!pdev->dev.of_node)
return -ENODEV;
@@ -501,26 +406,29 @@ static int axi_clkgen_probe(struct platform_device *pdev)
if (!axi_clkgen)
return -ENOMEM;
- axi_clkgen->mmcm_ops = id->data;
-
mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
axi_clkgen->base = devm_ioremap_resource(&pdev->dev, mem);
if (IS_ERR(axi_clkgen->base))
return PTR_ERR(axi_clkgen->base);
- parent_name = of_clk_get_parent_name(pdev->dev.of_node, 0);
- if (!parent_name)
+ init.num_parents = of_clk_get_parent_count(pdev->dev.of_node);
+ if (init.num_parents < 1 || init.num_parents > 2)
return -EINVAL;
+ for (i = 0; i < init.num_parents; i++) {
+ parent_names[i] = of_clk_get_parent_name(pdev->dev.of_node, i);
+ if (!parent_names[i])
+ return -EINVAL;
+ }
+
clk_name = pdev->dev.of_node->name;
of_property_read_string(pdev->dev.of_node, "clock-output-names",
&clk_name);
init.name = clk_name;
init.ops = &axi_clkgen_ops;
- init.flags = CLK_SET_RATE_GATE;
- init.parent_names = &parent_name;
- init.num_parents = 1;
+ init.flags = CLK_SET_RATE_GATE | CLK_SET_PARENT_GATE;
+ init.parent_names = parent_names;
axi_clkgen_mmcm_enable(axi_clkgen, false);
diff --git a/drivers/clk/clk-composite.c b/drivers/clk/clk-composite.c
index 4735de0660cc..1f903e1f86a2 100644
--- a/drivers/clk/clk-composite.c
+++ b/drivers/clk/clk-composite.c
@@ -19,8 +19,6 @@
#include <linux/err.h>
#include <linux/slab.h>
-#define to_clk_composite(_hw) container_of(_hw, struct clk_composite, hw)
-
static u8 clk_composite_get_parent(struct clk_hw *hw)
{
struct clk_composite *composite = to_clk_composite(hw);
diff --git a/drivers/clk/clk-divider.c b/drivers/clk/clk-divider.c
index ded3ff4b91b9..00e035b51c69 100644
--- a/drivers/clk/clk-divider.c
+++ b/drivers/clk/clk-divider.c
@@ -28,8 +28,6 @@
* parent - fixed parent. No clk_set_parent support
*/
-#define to_clk_divider(_hw) container_of(_hw, struct clk_divider, hw)
-
#define div_mask(width) ((1 << (width)) - 1)
static unsigned int _get_table_maxdiv(const struct clk_div_table *table,
@@ -305,9 +303,8 @@ static int clk_divider_bestdiv(struct clk_hw *hw, unsigned long rate,
*/
maxdiv = min(ULONG_MAX / rate, maxdiv);
- for (i = 1; i <= maxdiv; i = _next_div(table, i, flags)) {
- if (!_is_valid_div(table, i, flags))
- continue;
+ for (i = _next_div(table, 0, flags); i <= maxdiv;
+ i = _next_div(table, i, flags)) {
if (rate * i == parent_rate_saved) {
/*
* It's the most ideal case if the requested rate can be
@@ -423,6 +420,12 @@ const struct clk_ops clk_divider_ops = {
};
EXPORT_SYMBOL_GPL(clk_divider_ops);
+const struct clk_ops clk_divider_ro_ops = {
+ .recalc_rate = clk_divider_recalc_rate,
+ .round_rate = clk_divider_round_rate,
+};
+EXPORT_SYMBOL_GPL(clk_divider_ro_ops);
+
static struct clk *_register_divider(struct device *dev, const char *name,
const char *parent_name, unsigned long flags,
void __iomem *reg, u8 shift, u8 width,
@@ -446,7 +449,10 @@ static struct clk *_register_divider(struct device *dev, const char *name,
return ERR_PTR(-ENOMEM);
init.name = name;
- init.ops = &clk_divider_ops;
+ if (clk_divider_flags & CLK_DIVIDER_READ_ONLY)
+ init.ops = &clk_divider_ro_ops;
+ else
+ init.ops = &clk_divider_ops;
init.flags = flags | CLK_IS_BASIC;
init.parent_names = (parent_name ? &parent_name: NULL);
init.num_parents = (parent_name ? 1 : 0);
diff --git a/drivers/clk/clk-efm32gg.c b/drivers/clk/clk-efm32gg.c
index bac4553f04b8..22e4c659704e 100644
--- a/drivers/clk/clk-efm32gg.c
+++ b/drivers/clk/clk-efm32gg.c
@@ -36,7 +36,7 @@ static void __init efm32gg_cmu_init(struct device_node *np)
}
clk[clk_HFXO] = clk_register_fixed_rate(NULL, "HFXO", NULL,
- CLK_IS_ROOT, 48000000);
+ 0, 48000000);
clk[clk_HFPERCLKUSART0] = clk_register_gate(NULL, "HFPERCLK.USART0",
"HFXO", 0, base + CMU_HFPERCLKEN0, 0, 0, NULL);
diff --git a/drivers/clk/clk-fixed-factor.c b/drivers/clk/clk-fixed-factor.c
index 83de57aeceea..053448e2453d 100644
--- a/drivers/clk/clk-fixed-factor.c
+++ b/drivers/clk/clk-fixed-factor.c
@@ -23,8 +23,6 @@
* parent - fixed parent. No clk_set_parent support
*/
-#define to_clk_fixed_factor(_hw) container_of(_hw, struct clk_fixed_factor, hw)
-
static unsigned long clk_factor_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
@@ -102,6 +100,19 @@ struct clk *clk_register_fixed_factor(struct device *dev, const char *name,
}
EXPORT_SYMBOL_GPL(clk_register_fixed_factor);
+void clk_unregister_fixed_factor(struct clk *clk)
+{
+ struct clk_hw *hw;
+
+ hw = __clk_get_hw(clk);
+ if (!hw)
+ return;
+
+ clk_unregister(clk);
+ kfree(to_clk_fixed_factor(hw));
+}
+EXPORT_SYMBOL_GPL(clk_unregister_fixed_factor);
+
#ifdef CONFIG_OF
/**
* of_fixed_factor_clk_setup() - Setup function for simple fixed factor clock
diff --git a/drivers/clk/clk-fixed-rate.c b/drivers/clk/clk-fixed-rate.c
index f85ec8d1711f..cd9dc925b3f8 100644
--- a/drivers/clk/clk-fixed-rate.c
+++ b/drivers/clk/clk-fixed-rate.c
@@ -26,8 +26,6 @@
* parent - fixed parent. No clk_set_parent support
*/
-#define to_clk_fixed_rate(_hw) container_of(_hw, struct clk_fixed_rate, hw)
-
static unsigned long clk_fixed_rate_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
@@ -106,6 +104,19 @@ struct clk *clk_register_fixed_rate(struct device *dev, const char *name,
}
EXPORT_SYMBOL_GPL(clk_register_fixed_rate);
+void clk_unregister_fixed_rate(struct clk *clk)
+{
+ struct clk_hw *hw;
+
+ hw = __clk_get_hw(clk);
+ if (!hw)
+ return;
+
+ clk_unregister(clk);
+ kfree(to_clk_fixed_rate(hw));
+}
+EXPORT_SYMBOL_GPL(clk_unregister_fixed_rate);
+
#ifdef CONFIG_OF
/**
* of_fixed_clk_setup() - Setup function for simple fixed rate clock
@@ -125,8 +136,7 @@ void of_fixed_clk_setup(struct device_node *node)
of_property_read_string(node, "clock-output-names", &clk_name);
clk = clk_register_fixed_rate_with_accuracy(NULL, clk_name, NULL,
- CLK_IS_ROOT, rate,
- accuracy);
+ 0, rate, accuracy);
if (!IS_ERR(clk))
of_clk_add_provider(node, of_clk_src_simple_get, clk);
}
diff --git a/drivers/clk/clk-fractional-divider.c b/drivers/clk/clk-fractional-divider.c
index 5c4955e33f7a..1abcd76b4993 100644
--- a/drivers/clk/clk-fractional-divider.c
+++ b/drivers/clk/clk-fractional-divider.c
@@ -16,8 +16,6 @@
#include <linux/slab.h>
#include <linux/rational.h>
-#define to_clk_fd(_hw) container_of(_hw, struct clk_fractional_divider, hw)
-
static unsigned long clk_fd_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
diff --git a/drivers/clk/clk-gate.c b/drivers/clk/clk-gate.c
index de0b322f5f58..d0d8ec8e1f1b 100644
--- a/drivers/clk/clk-gate.c
+++ b/drivers/clk/clk-gate.c
@@ -26,8 +26,6 @@
* parent - fixed parent. No clk_set_parent support
*/
-#define to_clk_gate(_hw) container_of(_hw, struct clk_gate, hw)
-
/*
* It works on following logic:
*
diff --git a/drivers/clk/clk-gpio.c b/drivers/clk/clk-gpio.c
index 7b09a265d79f..08f65acc5d57 100644
--- a/drivers/clk/clk-gpio.c
+++ b/drivers/clk/clk-gpio.c
@@ -20,6 +20,8 @@
#include <linux/of_gpio.h>
#include <linux/err.h>
#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/of_device.h>
/**
* DOC: basic gpio gated clock which can be enabled and disabled
@@ -31,8 +33,6 @@
* parent - fixed parent. No clk_set_parent support
*/
-#define to_clk_gpio(_hw) container_of(_hw, struct clk_gpio, hw)
-
static int clk_gpio_gate_enable(struct clk_hw *hw)
{
struct clk_gpio *clk = to_clk_gpio(hw);
@@ -201,134 +201,69 @@ struct clk *clk_register_gpio_mux(struct device *dev, const char *name,
}
EXPORT_SYMBOL_GPL(clk_register_gpio_mux);
-#ifdef CONFIG_OF
-/**
- * clk_register_get() has to be delayed, because -EPROBE_DEFER
- * can not be handled properly at of_clk_init() call time.
- */
-
-struct clk_gpio_delayed_register_data {
- const char *gpio_name;
- int num_parents;
- const char **parent_names;
- struct device_node *node;
- struct mutex lock;
- struct clk *clk;
- struct clk *(*clk_register_get)(const char *name,
- const char * const *parent_names, u8 num_parents,
- unsigned gpio, bool active_low);
-};
-
-static struct clk *of_clk_gpio_delayed_register_get(
- struct of_phandle_args *clkspec, void *_data)
+static int gpio_clk_driver_probe(struct platform_device *pdev)
{
- struct clk_gpio_delayed_register_data *data = _data;
- struct clk *clk;
+ struct device_node *node = pdev->dev.of_node;
+ const char **parent_names, *gpio_name;
+ unsigned int num_parents;
int gpio;
enum of_gpio_flags of_flags;
+ struct clk *clk;
+ bool active_low, is_mux;
- mutex_lock(&data->lock);
+ num_parents = of_clk_get_parent_count(node);
+ if (num_parents) {
+ parent_names = devm_kcalloc(&pdev->dev, num_parents,
+ sizeof(char *), GFP_KERNEL);
+ if (!parent_names)
+ return -ENOMEM;
- if (data->clk) {
- mutex_unlock(&data->lock);
- return data->clk;
+ of_clk_parent_fill(node, parent_names, num_parents);
+ } else {
+ parent_names = NULL;
}
- gpio = of_get_named_gpio_flags(data->node, data->gpio_name, 0,
- &of_flags);
+ is_mux = of_device_is_compatible(node, "gpio-mux-clock");
+
+ gpio_name = is_mux ? "select-gpios" : "enable-gpios";
+ gpio = of_get_named_gpio_flags(node, gpio_name, 0, &of_flags);
if (gpio < 0) {
- mutex_unlock(&data->lock);
if (gpio == -EPROBE_DEFER)
pr_debug("%s: %s: GPIOs not yet available, retry later\n",
- data->node->name, __func__);
+ node->name, __func__);
else
pr_err("%s: %s: Can't get '%s' DT property\n",
- data->node->name, __func__,
- data->gpio_name);
- return ERR_PTR(gpio);
+ node->name, __func__,
+ gpio_name);
+ return gpio;
}
- clk = data->clk_register_get(data->node->name, data->parent_names,
- data->num_parents, gpio, of_flags & OF_GPIO_ACTIVE_LOW);
- if (IS_ERR(clk))
- goto out;
-
- data->clk = clk;
-out:
- mutex_unlock(&data->lock);
-
- return clk;
-}
-
-static struct clk *of_clk_gpio_gate_delayed_register_get(const char *name,
- const char * const *parent_names, u8 num_parents,
- unsigned gpio, bool active_low)
-{
- return clk_register_gpio_gate(NULL, name, parent_names ?
- parent_names[0] : NULL, gpio, active_low, 0);
-}
-
-static struct clk *of_clk_gpio_mux_delayed_register_get(const char *name,
- const char * const *parent_names, u8 num_parents, unsigned gpio,
- bool active_low)
-{
- return clk_register_gpio_mux(NULL, name, parent_names, num_parents,
- gpio, active_low, 0);
-}
-
-static void __init of_gpio_clk_setup(struct device_node *node,
- const char *gpio_name,
- struct clk *(*clk_register_get)(const char *name,
- const char * const *parent_names,
- u8 num_parents,
- unsigned gpio, bool active_low))
-{
- struct clk_gpio_delayed_register_data *data;
- const char **parent_names;
- int i, num_parents;
-
- num_parents = of_clk_get_parent_count(node);
- if (num_parents < 0)
- num_parents = 0;
-
- data = kzalloc(sizeof(*data), GFP_KERNEL);
- if (!data)
- return;
-
- if (num_parents) {
- parent_names = kcalloc(num_parents, sizeof(char *), GFP_KERNEL);
- if (!parent_names) {
- kfree(data);
- return;
- }
-
- for (i = 0; i < num_parents; i++)
- parent_names[i] = of_clk_get_parent_name(node, i);
- } else {
- parent_names = NULL;
- }
+ active_low = of_flags & OF_GPIO_ACTIVE_LOW;
- data->num_parents = num_parents;
- data->parent_names = parent_names;
- data->node = node;
- data->gpio_name = gpio_name;
- data->clk_register_get = clk_register_get;
- mutex_init(&data->lock);
+ if (is_mux)
+ clk = clk_register_gpio_mux(&pdev->dev, node->name,
+ parent_names, num_parents, gpio, active_low, 0);
+ else
+ clk = clk_register_gpio_gate(&pdev->dev, node->name,
+ parent_names ? parent_names[0] : NULL, gpio,
+ active_low, 0);
+ if (IS_ERR(clk))
+ return PTR_ERR(clk);
- of_clk_add_provider(node, of_clk_gpio_delayed_register_get, data);
+ return of_clk_add_provider(node, of_clk_src_simple_get, clk);
}
-static void __init of_gpio_gate_clk_setup(struct device_node *node)
-{
- of_gpio_clk_setup(node, "enable-gpios",
- of_clk_gpio_gate_delayed_register_get);
-}
-CLK_OF_DECLARE(gpio_gate_clk, "gpio-gate-clock", of_gpio_gate_clk_setup);
+static const struct of_device_id gpio_clk_match_table[] = {
+ { .compatible = "gpio-mux-clock" },
+ { .compatible = "gpio-gate-clock" },
+ { }
+};
-void __init of_gpio_mux_clk_setup(struct device_node *node)
-{
- of_gpio_clk_setup(node, "select-gpios",
- of_clk_gpio_mux_delayed_register_get);
-}
-CLK_OF_DECLARE(gpio_mux_clk, "gpio-mux-clock", of_gpio_mux_clk_setup);
-#endif
+static struct platform_driver gpio_clk_driver = {
+ .probe = gpio_clk_driver_probe,
+ .driver = {
+ .name = "gpio-clk",
+ .of_match_table = gpio_clk_match_table,
+ },
+};
+builtin_platform_driver(gpio_clk_driver);
diff --git a/drivers/clk/clk-max77686.c b/drivers/clk/clk-max77686.c
index 446c2fe76dc2..9b6f2772e948 100644
--- a/drivers/clk/clk-max77686.c
+++ b/drivers/clk/clk-max77686.c
@@ -38,17 +38,14 @@ static struct clk_init_data max77686_clks_init[MAX77686_CLKS_NUM] = {
[MAX77686_CLK_AP] = {
.name = "32khz_ap",
.ops = &max_gen_clk_ops,
- .flags = CLK_IS_ROOT,
},
[MAX77686_CLK_CP] = {
.name = "32khz_cp",
.ops = &max_gen_clk_ops,
- .flags = CLK_IS_ROOT,
},
[MAX77686_CLK_PMIC] = {
.name = "32khz_pmic",
.ops = &max_gen_clk_ops,
- .flags = CLK_IS_ROOT,
},
};
diff --git a/drivers/clk/clk-max77802.c b/drivers/clk/clk-max77802.c
index 4a89f7979ba0..355dd2e522c3 100644
--- a/drivers/clk/clk-max77802.c
+++ b/drivers/clk/clk-max77802.c
@@ -39,12 +39,10 @@ static struct clk_init_data max77802_clks_init[MAX77802_CLKS_NUM] = {
[MAX77802_CLK_32K_AP] = {
.name = "32khz_ap",
.ops = &max_gen_clk_ops,
- .flags = CLK_IS_ROOT,
},
[MAX77802_CLK_32K_CP] = {
.name = "32khz_cp",
.ops = &max_gen_clk_ops,
- .flags = CLK_IS_ROOT,
},
};
diff --git a/drivers/clk/clk-mb86s7x.c b/drivers/clk/clk-mb86s7x.c
index f39c25a22f43..e0817754ca3e 100644
--- a/drivers/clk/clk-mb86s7x.c
+++ b/drivers/clk/clk-mb86s7x.c
@@ -217,7 +217,7 @@ static struct clk *crg11_get(struct of_phandle_args *clkspec, void *data)
init.name = clkp;
init.num_parents = 0;
init.ops = &crg_port_ops;
- init.flags = CLK_IS_ROOT;
+ init.flags = 0;
crgclk->hw.init = &init;
crgclk->cntrlr = cntrlr;
crgclk->domain = domain;
@@ -341,7 +341,7 @@ struct clk *mb86s7x_clclk_register(struct device *cpu_dev)
init.name = dev_name(cpu_dev);
init.ops = &clk_clc_ops;
- init.flags = CLK_IS_ROOT | CLK_GET_RATE_NOCACHE;
+ init.flags = CLK_GET_RATE_NOCACHE;
init.num_parents = 0;
return devm_clk_register(cpu_dev, &clc->hw);
diff --git a/drivers/clk/clk-multiplier.c b/drivers/clk/clk-multiplier.c
index fe7806506bf3..9e449c7b751c 100644
--- a/drivers/clk/clk-multiplier.c
+++ b/drivers/clk/clk-multiplier.c
@@ -14,8 +14,6 @@
#include <linux/of.h>
#include <linux/slab.h>
-#define to_clk_multiplier(_hw) container_of(_hw, struct clk_multiplier, hw)
-
static unsigned long __get_mult(struct clk_multiplier *mult,
unsigned long rate,
unsigned long parent_rate)
diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c
index 5ed03c8a8df9..252188fd8bcd 100644
--- a/drivers/clk/clk-mux.c
+++ b/drivers/clk/clk-mux.c
@@ -26,8 +26,6 @@
* parent - parent is adjustable through clk_set_parent
*/
-#define to_clk_mux(_hw) container_of(_hw, struct clk_mux, hw)
-
static u8 clk_mux_get_parent(struct clk_hw *hw)
{
struct clk_mux *mux = to_clk_mux(hw);
diff --git a/drivers/clk/clk-palmas.c b/drivers/clk/clk-palmas.c
index 8e3039f0c3f9..9c0b8e6b1ab3 100644
--- a/drivers/clk/clk-palmas.c
+++ b/drivers/clk/clk-palmas.c
@@ -44,7 +44,7 @@ struct palmas_clock_info {
struct clk *clk;
struct clk_hw hw;
struct palmas *palmas;
- struct palmas_clk32k_desc *clk_desc;
+ const struct palmas_clk32k_desc *clk_desc;
int ext_control_pin;
};
@@ -125,10 +125,10 @@ static struct clk_ops palmas_clks_ops = {
struct palmas_clks_of_match_data {
struct clk_init_data init;
- struct palmas_clk32k_desc desc;
+ const struct palmas_clk32k_desc desc;
};
-static struct palmas_clks_of_match_data palmas_of_clk32kg = {
+static const struct palmas_clks_of_match_data palmas_of_clk32kg = {
.init = {
.name = "clk32kg",
.ops = &palmas_clks_ops,
@@ -144,7 +144,7 @@ static struct palmas_clks_of_match_data palmas_of_clk32kg = {
},
};
-static struct palmas_clks_of_match_data palmas_of_clk32kgaudio = {
+static const struct palmas_clks_of_match_data palmas_of_clk32kgaudio = {
.init = {
.name = "clk32kgaudio",
.ops = &palmas_clks_ops,
@@ -240,14 +240,14 @@ static int palmas_clks_probe(struct platform_device *pdev)
{
struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
struct device_node *node = pdev->dev.of_node;
- struct palmas_clks_of_match_data *match_data;
- const struct of_device_id *match;
+ const struct palmas_clks_of_match_data *match_data;
struct palmas_clock_info *cinfo;
struct clk *clk;
int ret;
- match = of_match_device(palmas_clks_of_match, &pdev->dev);
- match_data = (struct palmas_clks_of_match_data *)match->data;
+ match_data = of_device_get_match_data(&pdev->dev);
+ if (!match_data)
+ return 1;
cinfo = devm_kzalloc(&pdev->dev, sizeof(*cinfo), GFP_KERNEL);
if (!cinfo)
diff --git a/drivers/clk/clk-pwm.c b/drivers/clk/clk-pwm.c
index 328fcfcefd8c..883045814dac 100644
--- a/drivers/clk/clk-pwm.c
+++ b/drivers/clk/clk-pwm.c
@@ -95,7 +95,7 @@ static int clk_pwm_probe(struct platform_device *pdev)
init.name = clk_name;
init.ops = &clk_pwm_ops;
- init.flags = CLK_IS_BASIC | CLK_IS_ROOT;
+ init.flags = CLK_IS_BASIC;
init.num_parents = 0;
clk_pwm->pwm = pwm;
diff --git a/drivers/clk/clk-s2mps11.c b/drivers/clk/clk-s2mps11.c
index d266299dfdb1..f8c83977c7fa 100644
--- a/drivers/clk/clk-s2mps11.c
+++ b/drivers/clk/clk-s2mps11.c
@@ -28,11 +28,6 @@
#include <linux/mfd/samsung/s5m8767.h>
#include <linux/mfd/samsung/core.h>
-#define s2mps11_name(a) (a->hw.init->name)
-
-static struct clk **clk_table;
-static struct clk_onecell_data clk_data;
-
enum {
S2MPS11_CLK_AP = 0,
S2MPS11_CLK_CP,
@@ -99,52 +94,19 @@ static struct clk_ops s2mps11_clk_ops = {
.recalc_rate = s2mps11_clk_recalc_rate,
};
+/* This s2mps11_clks_init tructure is common to s2mps11, s2mps13 and s2mps14 */
static struct clk_init_data s2mps11_clks_init[S2MPS11_CLKS_NUM] = {
[S2MPS11_CLK_AP] = {
.name = "s2mps11_ap",
.ops = &s2mps11_clk_ops,
- .flags = CLK_IS_ROOT,
},
[S2MPS11_CLK_CP] = {
.name = "s2mps11_cp",
.ops = &s2mps11_clk_ops,
- .flags = CLK_IS_ROOT,
},
[S2MPS11_CLK_BT] = {
.name = "s2mps11_bt",
.ops = &s2mps11_clk_ops,
- .flags = CLK_IS_ROOT,
- },
-};
-
-static struct clk_init_data s2mps13_clks_init[S2MPS11_CLKS_NUM] = {
- [S2MPS11_CLK_AP] = {
- .name = "s2mps13_ap",
- .ops = &s2mps11_clk_ops,
- .flags = CLK_IS_ROOT,
- },
- [S2MPS11_CLK_CP] = {
- .name = "s2mps13_cp",
- .ops = &s2mps11_clk_ops,
- .flags = CLK_IS_ROOT,
- },
- [S2MPS11_CLK_BT] = {
- .name = "s2mps13_bt",
- .ops = &s2mps11_clk_ops,
- .flags = CLK_IS_ROOT,
- },
-};
-
-static struct clk_init_data s2mps14_clks_init[S2MPS11_CLKS_NUM] = {
- [S2MPS11_CLK_AP] = {
- .name = "s2mps14_ap",
- .ops = &s2mps11_clk_ops,
- .flags = CLK_IS_ROOT,
- },
- [S2MPS11_CLK_BT] = {
- .name = "s2mps14_bt",
- .ops = &s2mps11_clk_ops,
- .flags = CLK_IS_ROOT,
},
};
@@ -164,12 +126,9 @@ static struct device_node *s2mps11_clk_parse_dt(struct platform_device *pdev,
return ERR_PTR(-EINVAL);
}
- for (i = 0; i < S2MPS11_CLKS_NUM; i++) {
- if (!clks_init[i].name)
- continue; /* Skip clocks not present in some devices */
+ for (i = 0; i < S2MPS11_CLKS_NUM; i++)
of_property_read_string_index(clk_np, "clock-output-names", i,
&clks_init[i].name);
- }
return clk_np;
}
@@ -177,39 +136,38 @@ static struct device_node *s2mps11_clk_parse_dt(struct platform_device *pdev,
static int s2mps11_clk_probe(struct platform_device *pdev)
{
struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent);
- struct s2mps11_clk *s2mps11_clks, *s2mps11_clk;
+ struct s2mps11_clk *s2mps11_clks;
+ struct clk_onecell_data *clk_data;
unsigned int s2mps11_reg;
- struct clk_init_data *clks_init;
int i, ret = 0;
+ enum sec_device_type hwid = platform_get_device_id(pdev)->driver_data;
s2mps11_clks = devm_kcalloc(&pdev->dev, S2MPS11_CLKS_NUM,
- sizeof(*s2mps11_clk), GFP_KERNEL);
+ sizeof(*s2mps11_clks), GFP_KERNEL);
if (!s2mps11_clks)
return -ENOMEM;
- s2mps11_clk = s2mps11_clks;
+ clk_data = devm_kzalloc(&pdev->dev, sizeof(*clk_data), GFP_KERNEL);
+ if (!clk_data)
+ return -ENOMEM;
- clk_table = devm_kcalloc(&pdev->dev, S2MPS11_CLKS_NUM,
+ clk_data->clks = devm_kcalloc(&pdev->dev, S2MPS11_CLKS_NUM,
sizeof(struct clk *), GFP_KERNEL);
- if (!clk_table)
+ if (!clk_data->clks)
return -ENOMEM;
- switch(platform_get_device_id(pdev)->driver_data) {
+ switch (hwid) {
case S2MPS11X:
s2mps11_reg = S2MPS11_REG_RTC_CTRL;
- clks_init = s2mps11_clks_init;
break;
case S2MPS13X:
s2mps11_reg = S2MPS13_REG_RTCCTRL;
- clks_init = s2mps13_clks_init;
break;
case S2MPS14X:
s2mps11_reg = S2MPS14_REG_RTCCTRL;
- clks_init = s2mps14_clks_init;
break;
case S5M8767X:
s2mps11_reg = S5M8767_REG_CTRL1;
- clks_init = s2mps11_clks_init;
break;
default:
dev_err(&pdev->dev, "Invalid device type\n");
@@ -217,46 +175,39 @@ static int s2mps11_clk_probe(struct platform_device *pdev)
}
/* Store clocks of_node in first element of s2mps11_clks array */
- s2mps11_clks->clk_np = s2mps11_clk_parse_dt(pdev, clks_init);
+ s2mps11_clks->clk_np = s2mps11_clk_parse_dt(pdev, s2mps11_clks_init);
if (IS_ERR(s2mps11_clks->clk_np))
return PTR_ERR(s2mps11_clks->clk_np);
- for (i = 0; i < S2MPS11_CLKS_NUM; i++, s2mps11_clk++) {
- if (!clks_init[i].name)
+ for (i = 0; i < S2MPS11_CLKS_NUM; i++) {
+ if (i == S2MPS11_CLK_CP && hwid == S2MPS14X)
continue; /* Skip clocks not present in some devices */
- s2mps11_clk->iodev = iodev;
- s2mps11_clk->hw.init = &clks_init[i];
- s2mps11_clk->mask = 1 << i;
- s2mps11_clk->reg = s2mps11_reg;
-
- s2mps11_clk->clk = devm_clk_register(&pdev->dev,
- &s2mps11_clk->hw);
- if (IS_ERR(s2mps11_clk->clk)) {
+ s2mps11_clks[i].iodev = iodev;
+ s2mps11_clks[i].hw.init = &s2mps11_clks_init[i];
+ s2mps11_clks[i].mask = 1 << i;
+ s2mps11_clks[i].reg = s2mps11_reg;
+
+ s2mps11_clks[i].clk = devm_clk_register(&pdev->dev,
+ &s2mps11_clks[i].hw);
+ if (IS_ERR(s2mps11_clks[i].clk)) {
dev_err(&pdev->dev, "Fail to register : %s\n",
- s2mps11_name(s2mps11_clk));
- ret = PTR_ERR(s2mps11_clk->clk);
+ s2mps11_clks_init[i].name);
+ ret = PTR_ERR(s2mps11_clks[i].clk);
goto err_reg;
}
- s2mps11_clk->lookup = clkdev_create(s2mps11_clk->clk,
- s2mps11_name(s2mps11_clk), NULL);
- if (!s2mps11_clk->lookup) {
+ s2mps11_clks[i].lookup = clkdev_create(s2mps11_clks[i].clk,
+ s2mps11_clks_init[i].name, NULL);
+ if (!s2mps11_clks[i].lookup) {
ret = -ENOMEM;
goto err_reg;
}
+ clk_data->clks[i] = s2mps11_clks[i].clk;
}
- for (i = 0; i < S2MPS11_CLKS_NUM; i++) {
- /* Skip clocks not present on S2MPS14 */
- if (!clks_init[i].name)
- continue;
- clk_table[i] = s2mps11_clks[i].clk;
- }
-
- clk_data.clks = clk_table;
- clk_data.clk_num = S2MPS11_CLKS_NUM;
+ clk_data->clk_num = S2MPS11_CLKS_NUM;
of_clk_add_provider(s2mps11_clks->clk_np, of_clk_src_onecell_get,
- &clk_data);
+ clk_data);
platform_set_drvdata(pdev, s2mps11_clks);
diff --git a/drivers/clk/clk-scpi.c b/drivers/clk/clk-scpi.c
index 89e9ca78bb94..6962ee5d1e9a 100644
--- a/drivers/clk/clk-scpi.c
+++ b/drivers/clk/clk-scpi.c
@@ -155,7 +155,7 @@ scpi_clk_ops_init(struct device *dev, const struct of_device_id *match,
unsigned long min = 0, max = 0;
init.name = name;
- init.flags = CLK_IS_ROOT;
+ init.flags = 0;
init.num_parents = 0;
init.ops = match->data;
sclk->hw.init = &init;
diff --git a/drivers/clk/clk-si514.c b/drivers/clk/clk-si514.c
index 6af7dce54241..ceef25b0990b 100644
--- a/drivers/clk/clk-si514.c
+++ b/drivers/clk/clk-si514.c
@@ -313,7 +313,7 @@ static int si514_probe(struct i2c_client *client,
return -ENOMEM;
init.ops = &si514_clk_ops;
- init.flags = CLK_IS_ROOT;
+ init.flags = 0;
init.num_parents = 0;
data->hw.init = &init;
data->i2c_client = client;
diff --git a/drivers/clk/clk-si5351.c b/drivers/clk/clk-si5351.c
index 850316ac8831..b1bc12c045d3 100644
--- a/drivers/clk/clk-si5351.c
+++ b/drivers/clk/clk-si5351.c
@@ -1495,7 +1495,7 @@ static int si5351_i2c_probe(struct i2c_client *client,
if (drvdata->variant == SI5351_VARIANT_B) {
init.name = si5351_pll_names[2];
init.ops = &si5351_vxco_ops;
- init.flags = CLK_IS_ROOT;
+ init.flags = 0;
init.parent_names = NULL;
init.num_parents = 0;
} else {
diff --git a/drivers/clk/clk-si570.c b/drivers/clk/clk-si570.c
index cf478aa9fa5d..d56648521a95 100644
--- a/drivers/clk/clk-si570.c
+++ b/drivers/clk/clk-si570.c
@@ -418,7 +418,7 @@ static int si570_probe(struct i2c_client *client,
return -ENOMEM;
init.ops = &si570_clk_ops;
- init.flags = CLK_IS_ROOT;
+ init.flags = 0;
init.num_parents = 0;
data->hw.init = &init;
data->i2c_client = client;
diff --git a/drivers/clk/clk-vt8500.c b/drivers/clk/clk-vt8500.c
index 37e928846ec5..b0f76a84f1e9 100644
--- a/drivers/clk/clk-vt8500.c
+++ b/drivers/clk/clk-vt8500.c
@@ -355,7 +355,7 @@ CLK_OF_DECLARE(vt8500_device, "via,vt8500-device-clock", vtwm_device_clk_init);
#define WM8850_BITS_TO_VAL(m, d1, d2) \
((((m / 2) - 1) << 16) | ((d1 - 1) << 8) | d2)
-static void vt8500_find_pll_bits(unsigned long rate, unsigned long parent_rate,
+static int vt8500_find_pll_bits(unsigned long rate, unsigned long parent_rate,
u32 *multiplier, u32 *prediv)
{
unsigned long tclk;
@@ -365,7 +365,7 @@ static void vt8500_find_pll_bits(unsigned long rate, unsigned long parent_rate,
pr_err("%s: requested rate out of range\n", __func__);
*multiplier = 0;
*prediv = 1;
- return;
+ return -EINVAL;
}
if (rate <= parent_rate * 31)
/* use the prediv to double the resolution */
@@ -379,12 +379,15 @@ static void vt8500_find_pll_bits(unsigned long rate, unsigned long parent_rate,
if (tclk != rate)
pr_warn("%s: requested rate %lu, found rate %lu\n", __func__,
rate, tclk);
+
+ return 0;
}
-static void wm8650_find_pll_bits(unsigned long rate, unsigned long parent_rate,
+static int wm8650_find_pll_bits(unsigned long rate, unsigned long parent_rate,
u32 *multiplier, u32 *divisor1, u32 *divisor2)
{
- u32 mul, div1, div2;
+ u32 mul, div1;
+ int div2;
u32 best_mul, best_div1, best_div2;
unsigned long tclk, rate_err, best_err;
@@ -403,7 +406,7 @@ static void wm8650_find_pll_bits(unsigned long rate, unsigned long parent_rate,
*multiplier = mul;
*divisor1 = div1;
*divisor2 = div2;
- return;
+ return 0;
}
if (rate_err < best_err) {
@@ -414,12 +417,19 @@ static void wm8650_find_pll_bits(unsigned long rate, unsigned long parent_rate,
}
}
+ if (best_err == (unsigned long)-1) {
+ pr_warn("%s: impossible rate %lu\n", __func__, rate);
+ return -EINVAL;
+ }
+
/* if we got here, it wasn't an exact match */
pr_warn("%s: requested rate %lu, found rate %lu\n", __func__, rate,
rate - best_err);
*multiplier = best_mul;
*divisor1 = best_div1;
*divisor2 = best_div2;
+
+ return 0;
}
static u32 wm8750_get_filter(u32 parent_rate, u32 divisor1)
@@ -449,10 +459,11 @@ static u32 wm8750_get_filter(u32 parent_rate, u32 divisor1)
return 0;
}
-static void wm8750_find_pll_bits(unsigned long rate, unsigned long parent_rate,
+static int wm8750_find_pll_bits(unsigned long rate, unsigned long parent_rate,
u32 *filter, u32 *multiplier, u32 *divisor1, u32 *divisor2)
{
- u32 mul, div1, div2;
+ u32 mul;
+ int div1, div2;
u32 best_mul, best_div1, best_div2;
unsigned long tclk, rate_err, best_err;
@@ -472,7 +483,7 @@ static void wm8750_find_pll_bits(unsigned long rate, unsigned long parent_rate,
*multiplier = mul;
*divisor1 = div1;
*divisor2 = div2;
- return;
+ return 0;
}
if (rate_err < best_err) {
@@ -483,6 +494,11 @@ static void wm8750_find_pll_bits(unsigned long rate, unsigned long parent_rate,
}
}
+ if (best_err == (unsigned long)-1) {
+ pr_warn("%s: impossible rate %lu\n", __func__, rate);
+ return -EINVAL;
+ }
+
/* if we got here, it wasn't an exact match */
pr_warn("%s: requested rate %lu, found rate %lu\n", __func__, rate,
rate - best_err);
@@ -491,12 +507,15 @@ static void wm8750_find_pll_bits(unsigned long rate, unsigned long parent_rate,
*multiplier = best_mul;
*divisor1 = best_div1;
*divisor2 = best_div2;
+
+ return 0;
}
-static void wm8850_find_pll_bits(unsigned long rate, unsigned long parent_rate,
+static int wm8850_find_pll_bits(unsigned long rate, unsigned long parent_rate,
u32 *multiplier, u32 *divisor1, u32 *divisor2)
{
- u32 mul, div1, div2;
+ u32 mul;
+ int div1, div2;
u32 best_mul, best_div1, best_div2;
unsigned long tclk, rate_err, best_err;
@@ -516,7 +535,7 @@ static void wm8850_find_pll_bits(unsigned long rate, unsigned long parent_rate,
*multiplier = mul;
*divisor1 = div1;
*divisor2 = div2;
- return;
+ return 0;
}
if (rate_err < best_err) {
@@ -527,6 +546,11 @@ static void wm8850_find_pll_bits(unsigned long rate, unsigned long parent_rate,
}
}
+ if (best_err == (unsigned long)-1) {
+ pr_warn("%s: impossible rate %lu\n", __func__, rate);
+ return -EINVAL;
+ }
+
/* if we got here, it wasn't an exact match */
pr_warn("%s: requested rate %lu, found rate %lu\n", __func__, rate,
rate - best_err);
@@ -534,6 +558,8 @@ static void wm8850_find_pll_bits(unsigned long rate, unsigned long parent_rate,
*multiplier = best_mul;
*divisor1 = best_div1;
*divisor2 = best_div2;
+
+ return 0;
}
static int vtwm_pll_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -543,31 +569,39 @@ static int vtwm_pll_set_rate(struct clk_hw *hw, unsigned long rate,
u32 filter, mul, div1, div2;
u32 pll_val;
unsigned long flags = 0;
+ int ret;
/* sanity check */
switch (pll->type) {
case PLL_TYPE_VT8500:
- vt8500_find_pll_bits(rate, parent_rate, &mul, &div1);
- pll_val = VT8500_BITS_TO_VAL(mul, div1);
+ ret = vt8500_find_pll_bits(rate, parent_rate, &mul, &div1);
+ if (!ret)
+ pll_val = VT8500_BITS_TO_VAL(mul, div1);
break;
case PLL_TYPE_WM8650:
- wm8650_find_pll_bits(rate, parent_rate, &mul, &div1, &div2);
- pll_val = WM8650_BITS_TO_VAL(mul, div1, div2);
+ ret = wm8650_find_pll_bits(rate, parent_rate, &mul, &div1, &div2);
+ if (!ret)
+ pll_val = WM8650_BITS_TO_VAL(mul, div1, div2);
break;
case PLL_TYPE_WM8750:
- wm8750_find_pll_bits(rate, parent_rate, &filter, &mul, &div1, &div2);
- pll_val = WM8750_BITS_TO_VAL(filter, mul, div1, div2);
+ ret = wm8750_find_pll_bits(rate, parent_rate, &filter, &mul, &div1, &div2);
+ if (!ret)
+ pll_val = WM8750_BITS_TO_VAL(filter, mul, div1, div2);
break;
case PLL_TYPE_WM8850:
- wm8850_find_pll_bits(rate, parent_rate, &mul, &div1, &div2);
- pll_val = WM8850_BITS_TO_VAL(mul, div1, div2);
+ ret = wm8850_find_pll_bits(rate, parent_rate, &mul, &div1, &div2);
+ if (!ret)
+ pll_val = WM8850_BITS_TO_VAL(mul, div1, div2);
break;
default:
pr_err("%s: invalid pll type\n", __func__);
- return 0;
+ ret = -EINVAL;
}
+ if (ret)
+ return ret;
+
spin_lock_irqsave(pll->lock, flags);
vt8500_pmc_wait_busy();
@@ -585,28 +619,36 @@ static long vtwm_pll_round_rate(struct clk_hw *hw, unsigned long rate,
struct clk_pll *pll = to_clk_pll(hw);
u32 filter, mul, div1, div2;
long round_rate;
+ int ret;
switch (pll->type) {
case PLL_TYPE_VT8500:
- vt8500_find_pll_bits(rate, *prate, &mul, &div1);
- round_rate = VT8500_BITS_TO_FREQ(*prate, mul, div1);
+ ret = vt8500_find_pll_bits(rate, *prate, &mul, &div1);
+ if (!ret)
+ round_rate = VT8500_BITS_TO_FREQ(*prate, mul, div1);
break;
case PLL_TYPE_WM8650:
- wm8650_find_pll_bits(rate, *prate, &mul, &div1, &div2);
- round_rate = WM8650_BITS_TO_FREQ(*prate, mul, div1, div2);
+ ret = wm8650_find_pll_bits(rate, *prate, &mul, &div1, &div2);
+ if (!ret)
+ round_rate = WM8650_BITS_TO_FREQ(*prate, mul, div1, div2);
break;
case PLL_TYPE_WM8750:
- wm8750_find_pll_bits(rate, *prate, &filter, &mul, &div1, &div2);
- round_rate = WM8750_BITS_TO_FREQ(*prate, mul, div1, div2);
+ ret = wm8750_find_pll_bits(rate, *prate, &filter, &mul, &div1, &div2);
+ if (!ret)
+ round_rate = WM8750_BITS_TO_FREQ(*prate, mul, div1, div2);
break;
case PLL_TYPE_WM8850:
- wm8850_find_pll_bits(rate, *prate, &mul, &div1, &div2);
- round_rate = WM8850_BITS_TO_FREQ(*prate, mul, div1, div2);
+ ret = wm8850_find_pll_bits(rate, *prate, &mul, &div1, &div2);
+ if (!ret)
+ round_rate = WM8850_BITS_TO_FREQ(*prate, mul, div1, div2);
break;
default:
- round_rate = 0;
+ ret = -EINVAL;
}
+ if (ret)
+ return ret;
+
return round_rate;
}
diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c
index 10224b01b97c..d73450b60b28 100644
--- a/drivers/clk/clk-xgene.c
+++ b/drivers/clk/clk-xgene.c
@@ -29,7 +29,9 @@
#include <linux/of_address.h>
/* Register SCU_PCPPLL bit fields */
-#define N_DIV_RD(src) (((src) & 0x000001ff))
+#define N_DIV_RD(src) ((src) & 0x000001ff)
+#define SC_N_DIV_RD(src) ((src) & 0x0000007f)
+#define SC_OUTDIV2(src) (((src) & 0x00000100) >> 8)
/* Register SCU_SOCPLL bit fields */
#define CLKR_RD(src) (((src) & 0x07000000)>>24)
@@ -48,7 +50,7 @@ static inline u32 xgene_clk_read(void __iomem *csr)
static inline void xgene_clk_write(u32 data, void __iomem *csr)
{
- return writel_relaxed(data, csr);
+ writel_relaxed(data, csr);
}
/* PLL Clock */
@@ -63,6 +65,7 @@ struct xgene_clk_pll {
spinlock_t *lock;
u32 pll_offset;
enum xgene_pll_type type;
+ int version;
};
#define to_xgene_clk_pll(_hw) container_of(_hw, struct xgene_clk_pll, hw)
@@ -92,27 +95,37 @@ static unsigned long xgene_clk_pll_recalc_rate(struct clk_hw *hw,
pll = xgene_clk_read(pllclk->reg + pllclk->pll_offset);
- if (pllclk->type == PLL_TYPE_PCP) {
- /*
- * PLL VCO = Reference clock * NF
- * PCP PLL = PLL_VCO / 2
- */
- nout = 2;
- fvco = parent_rate * (N_DIV_RD(pll) + 4);
+ if (pllclk->version <= 1) {
+ if (pllclk->type == PLL_TYPE_PCP) {
+ /*
+ * PLL VCO = Reference clock * NF
+ * PCP PLL = PLL_VCO / 2
+ */
+ nout = 2;
+ fvco = parent_rate * (N_DIV_RD(pll) + 4);
+ } else {
+ /*
+ * Fref = Reference Clock / NREF;
+ * Fvco = Fref * NFB;
+ * Fout = Fvco / NOUT;
+ */
+ nref = CLKR_RD(pll) + 1;
+ nout = CLKOD_RD(pll) + 1;
+ nfb = CLKF_RD(pll);
+ fref = parent_rate / nref;
+ fvco = fref * nfb;
+ }
} else {
/*
- * Fref = Reference Clock / NREF;
- * Fvco = Fref * NFB;
- * Fout = Fvco / NOUT;
+ * fvco = Reference clock * FBDIVC
+ * PLL freq = fvco / NOUT
*/
- nref = CLKR_RD(pll) + 1;
- nout = CLKOD_RD(pll) + 1;
- nfb = CLKF_RD(pll);
- fref = parent_rate / nref;
- fvco = fref * nfb;
+ nout = SC_OUTDIV2(pll) ? 2 : 3;
+ fvco = parent_rate * SC_N_DIV_RD(pll);
}
- pr_debug("%s pll recalc rate %ld parent %ld\n", clk_hw_get_name(hw),
- fvco / nout, parent_rate);
+ pr_debug("%s pll recalc rate %ld parent %ld version %d\n",
+ clk_hw_get_name(hw), fvco / nout, parent_rate,
+ pllclk->version);
return fvco / nout;
}
@@ -125,7 +138,7 @@ static const struct clk_ops xgene_clk_pll_ops = {
static struct clk *xgene_register_clk_pll(struct device *dev,
const char *name, const char *parent_name,
unsigned long flags, void __iomem *reg, u32 pll_offset,
- u32 type, spinlock_t *lock)
+ u32 type, spinlock_t *lock, int version)
{
struct xgene_clk_pll *apmclk;
struct clk *clk;
@@ -144,6 +157,7 @@ static struct clk *xgene_register_clk_pll(struct device *dev,
init.parent_names = parent_name ? &parent_name : NULL;
init.num_parents = parent_name ? 1 : 0;
+ apmclk->version = version;
apmclk->reg = reg;
apmclk->lock = lock;
apmclk->pll_offset = pll_offset;
@@ -160,26 +174,37 @@ static struct clk *xgene_register_clk_pll(struct device *dev,
return clk;
}
+static int xgene_pllclk_version(struct device_node *np)
+{
+ if (of_device_is_compatible(np, "apm,xgene-socpll-clock"))
+ return 1;
+ if (of_device_is_compatible(np, "apm,xgene-pcppll-clock"))
+ return 1;
+ return 2;
+}
+
static void xgene_pllclk_init(struct device_node *np, enum xgene_pll_type pll_type)
{
- const char *clk_name = np->full_name;
- struct clk *clk;
- void __iomem *reg;
+ const char *clk_name = np->full_name;
+ struct clk *clk;
+ void __iomem *reg;
+ int version = xgene_pllclk_version(np);
- reg = of_iomap(np, 0);
- if (reg == NULL) {
- pr_err("Unable to map CSR register for %s\n", np->full_name);
- return;
- }
- of_property_read_string(np, "clock-output-names", &clk_name);
- clk = xgene_register_clk_pll(NULL,
- clk_name, of_clk_get_parent_name(np, 0),
- CLK_IS_ROOT, reg, 0, pll_type, &clk_lock);
- if (!IS_ERR(clk)) {
- of_clk_add_provider(np, of_clk_src_simple_get, clk);
- clk_register_clkdev(clk, clk_name, NULL);
- pr_debug("Add %s clock PLL\n", clk_name);
- }
+ reg = of_iomap(np, 0);
+ if (reg == NULL) {
+ pr_err("Unable to map CSR register for %s\n", np->full_name);
+ return;
+ }
+ of_property_read_string(np, "clock-output-names", &clk_name);
+ clk = xgene_register_clk_pll(NULL,
+ clk_name, of_clk_get_parent_name(np, 0),
+ CLK_IS_ROOT, reg, 0, pll_type, &clk_lock,
+ version);
+ if (!IS_ERR(clk)) {
+ of_clk_add_provider(np, of_clk_src_simple_get, clk);
+ clk_register_clkdev(clk, clk_name, NULL);
+ pr_debug("Add %s clock PLL\n", clk_name);
+ }
}
static void xgene_socpllclk_init(struct device_node *np)
@@ -351,8 +376,8 @@ static int xgene_clk_set_rate(struct clk_hw *hw, unsigned long rate,
/* Set new divider */
data = xgene_clk_read(pclk->param.divider_reg +
pclk->param.reg_divider_offset);
- data &= ~((1 << pclk->param.reg_divider_width) - 1)
- << pclk->param.reg_divider_shift;
+ data &= ~(((1 << pclk->param.reg_divider_width) - 1)
+ << pclk->param.reg_divider_shift);
data |= divider;
xgene_clk_write(data, pclk->param.divider_reg +
pclk->param.reg_divider_offset);
@@ -460,7 +485,7 @@ static void __init xgene_devclk_init(struct device_node *np)
rc = of_address_to_resource(np, i, &res);
if (rc != 0) {
if (i == 0) {
- pr_err("no DTS register for %s\n",
+ pr_err("no DTS register for %s\n",
np->full_name);
return;
}
@@ -518,4 +543,8 @@ err:
CLK_OF_DECLARE(xgene_socpll_clock, "apm,xgene-socpll-clock", xgene_socpllclk_init);
CLK_OF_DECLARE(xgene_pcppll_clock, "apm,xgene-pcppll-clock", xgene_pcppllclk_init);
+CLK_OF_DECLARE(xgene_socpll_v2_clock, "apm,xgene-socpll-v2-clock",
+ xgene_socpllclk_init);
+CLK_OF_DECLARE(xgene_pcppll_v2_clock, "apm,xgene-pcppll-v2-clock",
+ xgene_pcppllclk_init);
CLK_OF_DECLARE(xgene_dev_clock, "apm,xgene-device-clock", xgene_devclk_init);
diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c
index b4db67a446c8..fb74dc1f7520 100644
--- a/drivers/clk/clk.c
+++ b/drivers/clk/clk.c
@@ -350,13 +350,12 @@ static struct clk_core *clk_core_get_parent_by_index(struct clk_core *core,
{
if (!core || index >= core->num_parents)
return NULL;
- else if (!core->parents)
- return clk_core_lookup(core->parent_names[index]);
- else if (!core->parents[index])
- return core->parents[index] =
- clk_core_lookup(core->parent_names[index]);
- else
- return core->parents[index];
+
+ if (!core->parents[index])
+ core->parents[index] =
+ clk_core_lookup(core->parent_names[index]);
+
+ return core->parents[index];
}
struct clk_hw *
@@ -386,7 +385,7 @@ static unsigned long clk_core_get_rate_nolock(struct clk_core *core)
ret = core->rate;
- if (core->flags & CLK_IS_ROOT)
+ if (!core->num_parents)
goto out;
if (!core->parent)
@@ -1067,30 +1066,12 @@ static int clk_fetch_parent_index(struct clk_core *core,
{
int i;
- if (!core->parents) {
- core->parents = kcalloc(core->num_parents,
- sizeof(struct clk *), GFP_KERNEL);
- if (!core->parents)
- return -ENOMEM;
- }
-
- /*
- * find index of new parent clock using cached parent ptrs,
- * or if not yet cached, use string name comparison and cache
- * them now to avoid future calls to clk_core_lookup.
- */
- for (i = 0; i < core->num_parents; i++) {
- if (core->parents[i] == parent)
- return i;
-
- if (core->parents[i])
- continue;
+ if (!parent)
+ return -EINVAL;
- if (!strcmp(core->parent_names[i], parent->name)) {
- core->parents[i] = clk_core_lookup(parent->name);
+ for (i = 0; i < core->num_parents; i++)
+ if (clk_core_get_parent_by_index(core, i) == parent)
return i;
- }
- }
return -EINVAL;
}
@@ -1677,56 +1658,14 @@ struct clk *clk_get_parent(struct clk *clk)
}
EXPORT_SYMBOL_GPL(clk_get_parent);
-/*
- * .get_parent is mandatory for clocks with multiple possible parents. It is
- * optional for single-parent clocks. Always call .get_parent if it is
- * available and WARN if it is missing for multi-parent clocks.
- *
- * For single-parent clocks without .get_parent, first check to see if the
- * .parents array exists, and if so use it to avoid an expensive tree
- * traversal. If .parents does not exist then walk the tree.
- */
static struct clk_core *__clk_init_parent(struct clk_core *core)
{
- struct clk_core *ret = NULL;
- u8 index;
+ u8 index = 0;
- /* handle the trivial cases */
+ if (core->num_parents > 1 && core->ops->get_parent)
+ index = core->ops->get_parent(core->hw);
- if (!core->num_parents)
- goto out;
-
- if (core->num_parents == 1) {
- if (IS_ERR_OR_NULL(core->parent))
- core->parent = clk_core_lookup(core->parent_names[0]);
- ret = core->parent;
- goto out;
- }
-
- if (!core->ops->get_parent) {
- WARN(!core->ops->get_parent,
- "%s: multi-parent clocks must implement .get_parent\n",
- __func__);
- goto out;
- }
-
- /*
- * Do our best to cache parent clocks in core->parents. This prevents
- * unnecessary and expensive lookups. We don't set core->parent here;
- * that is done by the calling function.
- */
-
- index = core->ops->get_parent(core->hw);
-
- if (!core->parents)
- core->parents =
- kcalloc(core->num_parents, sizeof(struct clk *),
- GFP_KERNEL);
-
- ret = clk_core_get_parent_by_index(core, index);
-
-out:
- return ret;
+ return clk_core_get_parent_by_index(core, index);
}
static void clk_core_reparent(struct clk_core *core,
@@ -1809,13 +1748,13 @@ static int clk_core_set_parent(struct clk_core *core, struct clk_core *parent)
/* try finding the new parent index */
if (parent) {
p_index = clk_fetch_parent_index(core, parent);
- p_rate = parent->rate;
if (p_index < 0) {
pr_debug("%s: clk %s can not be parent of clk %s\n",
__func__, parent->name, core->name);
ret = p_index;
goto out;
}
+ p_rate = parent->rate;
}
/* propagate PRE_RATE_CHANGE notifications */
@@ -1902,6 +1841,10 @@ int clk_set_phase(struct clk *clk, int degrees)
clk_prepare_lock();
+ /* bail early if nothing to do */
+ if (degrees == clk->core->phase)
+ goto out;
+
trace_clk_set_phase(clk->core, degrees);
if (clk->core->ops->set_phase)
@@ -1912,6 +1855,7 @@ int clk_set_phase(struct clk *clk, int degrees)
if (!ret)
clk->core->phase = degrees;
+out:
clk_prepare_unlock();
return ret;
@@ -2218,7 +2162,7 @@ unlock:
*
* Dynamically removes a clk and all its child nodes from the
* debugfs clk directory if clk->dentry points to debugfs created by
- * clk_debug_register in __clk_init.
+ * clk_debug_register in __clk_core_init.
*/
static void clk_debug_unregister(struct clk_core *core)
{
@@ -2303,26 +2247,22 @@ static inline void clk_debug_unregister(struct clk_core *core)
#endif
/**
- * __clk_init - initialize the data structures in a struct clk
- * @dev: device initializing this clk, placeholder for now
- * @clk: clk being initialized
+ * __clk_core_init - initialize the data structures in a struct clk_core
+ * @core: clk_core being initialized
*
* Initializes the lists in struct clk_core, queries the hardware for the
* parent and rate and sets them both.
*/
-static int __clk_init(struct device *dev, struct clk *clk_user)
+static int __clk_core_init(struct clk_core *core)
{
int i, ret = 0;
struct clk_core *orphan;
struct hlist_node *tmp2;
- struct clk_core *core;
unsigned long rate;
- if (!clk_user)
+ if (!core)
return -EINVAL;
- core = clk_user->core;
-
clk_prepare_lock();
/* check to see if a clock with this name is already registered */
@@ -2337,22 +2277,29 @@ static int __clk_init(struct device *dev, struct clk *clk_user)
if (core->ops->set_rate &&
!((core->ops->round_rate || core->ops->determine_rate) &&
core->ops->recalc_rate)) {
- pr_warning("%s: %s must implement .round_rate or .determine_rate in addition to .recalc_rate\n",
- __func__, core->name);
+ pr_err("%s: %s must implement .round_rate or .determine_rate in addition to .recalc_rate\n",
+ __func__, core->name);
ret = -EINVAL;
goto out;
}
if (core->ops->set_parent && !core->ops->get_parent) {
- pr_warning("%s: %s must implement .get_parent & .set_parent\n",
- __func__, core->name);
+ pr_err("%s: %s must implement .get_parent & .set_parent\n",
+ __func__, core->name);
+ ret = -EINVAL;
+ goto out;
+ }
+
+ if (core->num_parents > 1 && !core->ops->get_parent) {
+ pr_err("%s: %s must implement .get_parent as it has multi parents\n",
+ __func__, core->name);
ret = -EINVAL;
goto out;
}
if (core->ops->set_rate_and_parent &&
!(core->ops->set_parent && core->ops->set_rate)) {
- pr_warn("%s: %s must implement .set_parent & .set_rate\n",
+ pr_err("%s: %s must implement .set_parent & .set_rate\n",
__func__, core->name);
ret = -EINVAL;
goto out;
@@ -2364,37 +2311,12 @@ static int __clk_init(struct device *dev, struct clk *clk_user)
"%s: invalid NULL in %s's .parent_names\n",
__func__, core->name);
- /*
- * Allocate an array of struct clk *'s to avoid unnecessary string
- * look-ups of clk's possible parents. This can fail for clocks passed
- * in to clk_init during early boot; thus any access to core->parents[]
- * must always check for a NULL pointer and try to populate it if
- * necessary.
- *
- * If core->parents is not NULL we skip this entire block. This allows
- * for clock drivers to statically initialize core->parents.
- */
- if (core->num_parents > 1 && !core->parents) {
- core->parents = kcalloc(core->num_parents, sizeof(struct clk *),
- GFP_KERNEL);
- /*
- * clk_core_lookup returns NULL for parents that have not been
- * clk_init'd; thus any access to clk->parents[] must check
- * for a NULL pointer. We can always perform lazy lookups for
- * missing parents later on.
- */
- if (core->parents)
- for (i = 0; i < core->num_parents; i++)
- core->parents[i] =
- clk_core_lookup(core->parent_names[i]);
- }
-
core->parent = __clk_init_parent(core);
/*
- * Populate core->parent if parent has already been __clk_init'd. If
- * parent has not yet been __clk_init'd then place clk in the orphan
- * list. If clk has set the CLK_IS_ROOT flag then place it in the root
+ * Populate core->parent if parent has already been clk_core_init'd. If
+ * parent has not yet been clk_core_init'd then place clk in the orphan
+ * list. If clk doesn't have any parents then place it in the root
* clk list.
*
* Every time a new clk is clk_init'd then we walk the list of orphan
@@ -2405,7 +2327,7 @@ static int __clk_init(struct device *dev, struct clk *clk_user)
hlist_add_head(&core->child_node,
&core->parent->children);
core->orphan = core->parent->orphan;
- } else if (core->flags & CLK_IS_ROOT) {
+ } else if (!core->num_parents) {
hlist_add_head(&core->child_node, &clk_root_list);
core->orphan = false;
} else {
@@ -2454,24 +2376,15 @@ static int __clk_init(struct device *dev, struct clk *clk_user)
core->rate = core->req_rate = rate;
/*
- * walk the list of orphan clocks and reparent any that are children of
- * this clock
+ * walk the list of orphan clocks and reparent any that newly finds a
+ * parent.
*/
hlist_for_each_entry_safe(orphan, tmp2, &clk_orphan_list, child_node) {
- if (orphan->num_parents && orphan->ops->get_parent) {
- i = orphan->ops->get_parent(orphan->hw);
- if (i >= 0 && i < orphan->num_parents &&
- !strcmp(core->name, orphan->parent_names[i]))
- clk_core_reparent(orphan, core);
- continue;
- }
+ struct clk_core *parent = __clk_init_parent(orphan);
- for (i = 0; i < orphan->num_parents; i++)
- if (!strcmp(core->name, orphan->parent_names[i])) {
- clk_core_reparent(orphan, core);
- break;
- }
- }
+ if (parent)
+ clk_core_reparent(orphan, parent);
+ }
/*
* optional platform-specific magic
@@ -2585,21 +2498,31 @@ struct clk *clk_register(struct device *dev, struct clk_hw *hw)
}
}
+ /* avoid unnecessary string look-ups of clk_core's possible parents. */
+ core->parents = kcalloc(core->num_parents, sizeof(*core->parents),
+ GFP_KERNEL);
+ if (!core->parents) {
+ ret = -ENOMEM;
+ goto fail_parents;
+ };
+
INIT_HLIST_HEAD(&core->clks);
hw->clk = __clk_create_clk(hw, NULL, NULL);
if (IS_ERR(hw->clk)) {
ret = PTR_ERR(hw->clk);
- goto fail_parent_names_copy;
+ goto fail_parents;
}
- ret = __clk_init(dev, hw->clk);
+ ret = __clk_core_init(core);
if (!ret)
return hw->clk;
__clk_free_clk(hw->clk);
hw->clk = NULL;
+fail_parents:
+ kfree(core->parents);
fail_parent_names_copy:
while (--i >= 0)
kfree_const(core->parent_names[i]);
@@ -2683,7 +2606,7 @@ void clk_unregister(struct clk *clk)
if (clk->core->ops == &clk_nodrv_ops) {
pr_err("%s: unregistered clock: %s\n", __func__,
clk->core->name);
- return;
+ goto unlock;
}
/*
* Assign empty clock ops for consumers that might still hold
@@ -2709,7 +2632,7 @@ void clk_unregister(struct clk *clk)
pr_warn("%s: unregistering prepared clock: %s\n",
__func__, clk->core->name);
kref_put(&clk->core->ref, __clk_release);
-
+unlock:
clk_prepare_unlock();
}
EXPORT_SYMBOL_GPL(clk_unregister);
@@ -3061,10 +2984,23 @@ struct clk *of_clk_get_from_provider(struct of_phandle_args *clkspec)
{
return __of_clk_get_from_provider(clkspec, NULL, __func__);
}
+EXPORT_SYMBOL_GPL(of_clk_get_from_provider);
-int of_clk_get_parent_count(struct device_node *np)
+/**
+ * of_clk_get_parent_count() - Count the number of clocks a device node has
+ * @np: device node to count
+ *
+ * Returns: The number of clocks that are possible parents of this node
+ */
+unsigned int of_clk_get_parent_count(struct device_node *np)
{
- return of_count_phandle_with_args(np, "clocks", "#clock-cells");
+ int count;
+
+ count = of_count_phandle_with_args(np, "clocks", "#clock-cells");
+ if (count < 0)
+ return 0;
+
+ return count;
}
EXPORT_SYMBOL_GPL(of_clk_get_parent_count);
@@ -3214,6 +3150,9 @@ void __init of_clk_init(const struct of_device_id *matches)
for_each_matching_node_and_match(np, matches, &match) {
struct clock_provider *parent;
+ if (!of_device_is_available(np))
+ continue;
+
parent = kzalloc(sizeof(*parent), GFP_KERNEL);
if (!parent) {
list_for_each_entry_safe(clk_provider, next,
diff --git a/drivers/clk/h8300/clk-div.c b/drivers/clk/h8300/clk-div.c
index d71d01157dbb..4bf44a25d950 100644
--- a/drivers/clk/h8300/clk-div.c
+++ b/drivers/clk/h8300/clk-div.c
@@ -13,7 +13,7 @@ static DEFINE_SPINLOCK(clklock);
static void __init h8300_div_clk_setup(struct device_node *node)
{
- int num_parents;
+ unsigned int num_parents;
struct clk *clk;
const char *clk_name = node->name;
const char *parent_name;
@@ -22,7 +22,7 @@ static void __init h8300_div_clk_setup(struct device_node *node)
int offset;
num_parents = of_clk_get_parent_count(node);
- if (num_parents < 1) {
+ if (!num_parents) {
pr_err("%s: no parent found", clk_name);
return;
}
@@ -34,7 +34,7 @@ static void __init h8300_div_clk_setup(struct device_node *node)
}
offset = (unsigned long)divcr & 3;
offset = (3 - offset) * 8;
- divcr = (void *)((unsigned long)divcr & ~3);
+ divcr = (void __iomem *)((unsigned long)divcr & ~3);
parent_name = of_clk_get_parent_name(node, 0);
of_property_read_u32(node, "renesas,width", &width);
diff --git a/drivers/clk/h8300/clk-h8s2678.c b/drivers/clk/h8300/clk-h8s2678.c
index 6cf38dc1c929..c9c2fd575ef7 100644
--- a/drivers/clk/h8300/clk-h8s2678.c
+++ b/drivers/clk/h8300/clk-h8s2678.c
@@ -83,7 +83,7 @@ static const struct clk_ops pll_ops = {
static void __init h8s2678_pll_clk_setup(struct device_node *node)
{
- int num_parents;
+ unsigned int num_parents;
struct clk *clk;
const char *clk_name = node->name;
const char *parent_name;
@@ -91,7 +91,7 @@ static void __init h8s2678_pll_clk_setup(struct device_node *node)
struct clk_init_data init;
num_parents = of_clk_get_parent_count(node);
- if (num_parents < 1) {
+ if (!num_parents) {
pr_err("%s: no parent found", clk_name);
return;
}
diff --git a/drivers/clk/hisilicon/clk-hi3620.c b/drivers/clk/hisilicon/clk-hi3620.c
index 7d03fe17d66f..d04a104ce1b4 100644
--- a/drivers/clk/hisilicon/clk-hi3620.c
+++ b/drivers/clk/hisilicon/clk-hi3620.c
@@ -78,15 +78,15 @@ static const char *const mmc3_mux_p[] __initconst = { "armpll2", "armpll3", };
/* fixed rate clocks */
static struct hisi_fixed_rate_clock hi3620_fixed_rate_clks[] __initdata = {
- { HI3620_OSC32K, "osc32k", NULL, CLK_IS_ROOT, 32768, },
- { HI3620_OSC26M, "osc26m", NULL, CLK_IS_ROOT, 26000000, },
- { HI3620_PCLK, "pclk", NULL, CLK_IS_ROOT, 26000000, },
- { HI3620_PLL_ARM0, "armpll0", NULL, CLK_IS_ROOT, 1600000000, },
- { HI3620_PLL_ARM1, "armpll1", NULL, CLK_IS_ROOT, 1600000000, },
- { HI3620_PLL_PERI, "armpll2", NULL, CLK_IS_ROOT, 1440000000, },
- { HI3620_PLL_USB, "armpll3", NULL, CLK_IS_ROOT, 1440000000, },
- { HI3620_PLL_HDMI, "armpll4", NULL, CLK_IS_ROOT, 1188000000, },
- { HI3620_PLL_GPU, "armpll5", NULL, CLK_IS_ROOT, 1300000000, },
+ { HI3620_OSC32K, "osc32k", NULL, 0, 32768, },
+ { HI3620_OSC26M, "osc26m", NULL, 0, 26000000, },
+ { HI3620_PCLK, "pclk", NULL, 0, 26000000, },
+ { HI3620_PLL_ARM0, "armpll0", NULL, 0, 1600000000, },
+ { HI3620_PLL_ARM1, "armpll1", NULL, 0, 1600000000, },
+ { HI3620_PLL_PERI, "armpll2", NULL, 0, 1440000000, },
+ { HI3620_PLL_USB, "armpll3", NULL, 0, 1440000000, },
+ { HI3620_PLL_HDMI, "armpll4", NULL, 0, 1188000000, },
+ { HI3620_PLL_GPU, "armpll5", NULL, 0, 1300000000, },
};
/* fixed factor clocks */
diff --git a/drivers/clk/hisilicon/clk-hi6220-stub.c b/drivers/clk/hisilicon/clk-hi6220-stub.c
index 8afb40ef40ce..329a09214d12 100644
--- a/drivers/clk/hisilicon/clk-hi6220-stub.c
+++ b/drivers/clk/hisilicon/clk-hi6220-stub.c
@@ -235,7 +235,7 @@ static int hi6220_stub_clk_probe(struct platform_device *pdev)
init.name = "acpu0";
init.ops = &hi6220_stub_clk_ops;
init.num_parents = 0;
- init.flags = CLK_IS_ROOT;
+ init.flags = 0;
clk = devm_clk_register(dev, &stub_clk->hw);
if (IS_ERR(clk))
diff --git a/drivers/clk/hisilicon/clk-hi6220.c b/drivers/clk/hisilicon/clk-hi6220.c
index 4563343b6420..f02cb41d40a4 100644
--- a/drivers/clk/hisilicon/clk-hi6220.c
+++ b/drivers/clk/hisilicon/clk-hi6220.c
@@ -26,19 +26,19 @@
/* clocks in AO (always on) controller */
static struct hisi_fixed_rate_clock hi6220_fixed_rate_clks[] __initdata = {
- { HI6220_REF32K, "ref32k", NULL, CLK_IS_ROOT, 32764, },
- { HI6220_CLK_TCXO, "clk_tcxo", NULL, CLK_IS_ROOT, 19200000, },
- { HI6220_MMC1_PAD, "mmc1_pad", NULL, CLK_IS_ROOT, 100000000, },
- { HI6220_MMC2_PAD, "mmc2_pad", NULL, CLK_IS_ROOT, 100000000, },
- { HI6220_MMC0_PAD, "mmc0_pad", NULL, CLK_IS_ROOT, 200000000, },
- { HI6220_PLL_BBP, "bbppll0", NULL, CLK_IS_ROOT, 245760000, },
- { HI6220_PLL_GPU, "gpupll", NULL, CLK_IS_ROOT, 1000000000,},
- { HI6220_PLL1_DDR, "ddrpll1", NULL, CLK_IS_ROOT, 1066000000,},
- { HI6220_PLL_SYS, "syspll", NULL, CLK_IS_ROOT, 1200000000,},
- { HI6220_PLL_SYS_MEDIA, "media_syspll", NULL, CLK_IS_ROOT, 1200000000,},
- { HI6220_DDR_SRC, "ddr_sel_src", NULL, CLK_IS_ROOT, 1200000000,},
- { HI6220_PLL_MEDIA, "media_pll", NULL, CLK_IS_ROOT, 1440000000,},
- { HI6220_PLL_DDR, "ddrpll0", NULL, CLK_IS_ROOT, 1600000000,},
+ { HI6220_REF32K, "ref32k", NULL, 0, 32764, },
+ { HI6220_CLK_TCXO, "clk_tcxo", NULL, 0, 19200000, },
+ { HI6220_MMC1_PAD, "mmc1_pad", NULL, 0, 100000000, },
+ { HI6220_MMC2_PAD, "mmc2_pad", NULL, 0, 100000000, },
+ { HI6220_MMC0_PAD, "mmc0_pad", NULL, 0, 200000000, },
+ { HI6220_PLL_BBP, "bbppll0", NULL, 0, 245760000, },
+ { HI6220_PLL_GPU, "gpupll", NULL, 0, 1000000000,},
+ { HI6220_PLL1_DDR, "ddrpll1", NULL, 0, 1066000000,},
+ { HI6220_PLL_SYS, "syspll", NULL, 0, 1200000000,},
+ { HI6220_PLL_SYS_MEDIA, "media_syspll", NULL, 0, 1200000000,},
+ { HI6220_DDR_SRC, "ddr_sel_src", NULL, 0, 1200000000,},
+ { HI6220_PLL_MEDIA, "media_pll", NULL, 0, 1440000000,},
+ { HI6220_PLL_DDR, "ddrpll0", NULL, 0, 1600000000,},
};
static struct hisi_fixed_factor_clock hi6220_fixed_factor_clks[] __initdata = {
diff --git a/drivers/clk/hisilicon/clk-hip04.c b/drivers/clk/hisilicon/clk-hip04.c
index 8ca967308343..b38e03da1d02 100644
--- a/drivers/clk/hisilicon/clk-hip04.c
+++ b/drivers/clk/hisilicon/clk-hip04.c
@@ -36,9 +36,9 @@
/* fixed rate clocks */
static struct hisi_fixed_rate_clock hip04_fixed_rate_clks[] __initdata = {
- { HIP04_OSC50M, "osc50m", NULL, CLK_IS_ROOT, 50000000, },
- { HIP04_CLK_50M, "clk50m", NULL, CLK_IS_ROOT, 50000000, },
- { HIP04_CLK_168M, "clk168m", NULL, CLK_IS_ROOT, 168750000, },
+ { HIP04_OSC50M, "osc50m", NULL, 0, 50000000, },
+ { HIP04_CLK_50M, "clk50m", NULL, 0, 50000000, },
+ { HIP04_CLK_168M, "clk168m", NULL, 0, 168750000, },
};
static void __init hip04_clk_init(struct device_node *np)
diff --git a/drivers/clk/hisilicon/clk-hix5hd2.c b/drivers/clk/hisilicon/clk-hix5hd2.c
index 0aaf29da8491..14b05efa3c2a 100644
--- a/drivers/clk/hisilicon/clk-hix5hd2.c
+++ b/drivers/clk/hisilicon/clk-hix5hd2.c
@@ -14,36 +14,36 @@
#include "clk.h"
static struct hisi_fixed_rate_clock hix5hd2_fixed_rate_clks[] __initdata = {
- { HIX5HD2_FIXED_1200M, "1200m", NULL, CLK_IS_ROOT, 1200000000, },
- { HIX5HD2_FIXED_400M, "400m", NULL, CLK_IS_ROOT, 400000000, },
- { HIX5HD2_FIXED_48M, "48m", NULL, CLK_IS_ROOT, 48000000, },
- { HIX5HD2_FIXED_24M, "24m", NULL, CLK_IS_ROOT, 24000000, },
- { HIX5HD2_FIXED_600M, "600m", NULL, CLK_IS_ROOT, 600000000, },
- { HIX5HD2_FIXED_300M, "300m", NULL, CLK_IS_ROOT, 300000000, },
- { HIX5HD2_FIXED_75M, "75m", NULL, CLK_IS_ROOT, 75000000, },
- { HIX5HD2_FIXED_200M, "200m", NULL, CLK_IS_ROOT, 200000000, },
- { HIX5HD2_FIXED_100M, "100m", NULL, CLK_IS_ROOT, 100000000, },
- { HIX5HD2_FIXED_40M, "40m", NULL, CLK_IS_ROOT, 40000000, },
- { HIX5HD2_FIXED_150M, "150m", NULL, CLK_IS_ROOT, 150000000, },
- { HIX5HD2_FIXED_1728M, "1728m", NULL, CLK_IS_ROOT, 1728000000, },
- { HIX5HD2_FIXED_28P8M, "28p8m", NULL, CLK_IS_ROOT, 28000000, },
- { HIX5HD2_FIXED_432M, "432m", NULL, CLK_IS_ROOT, 432000000, },
- { HIX5HD2_FIXED_345P6M, "345p6m", NULL, CLK_IS_ROOT, 345000000, },
- { HIX5HD2_FIXED_288M, "288m", NULL, CLK_IS_ROOT, 288000000, },
- { HIX5HD2_FIXED_60M, "60m", NULL, CLK_IS_ROOT, 60000000, },
- { HIX5HD2_FIXED_750M, "750m", NULL, CLK_IS_ROOT, 750000000, },
- { HIX5HD2_FIXED_500M, "500m", NULL, CLK_IS_ROOT, 500000000, },
- { HIX5HD2_FIXED_54M, "54m", NULL, CLK_IS_ROOT, 54000000, },
- { HIX5HD2_FIXED_27M, "27m", NULL, CLK_IS_ROOT, 27000000, },
- { HIX5HD2_FIXED_1500M, "1500m", NULL, CLK_IS_ROOT, 1500000000, },
- { HIX5HD2_FIXED_375M, "375m", NULL, CLK_IS_ROOT, 375000000, },
- { HIX5HD2_FIXED_187M, "187m", NULL, CLK_IS_ROOT, 187000000, },
- { HIX5HD2_FIXED_250M, "250m", NULL, CLK_IS_ROOT, 250000000, },
- { HIX5HD2_FIXED_125M, "125m", NULL, CLK_IS_ROOT, 125000000, },
- { HIX5HD2_FIXED_2P02M, "2m", NULL, CLK_IS_ROOT, 2000000, },
- { HIX5HD2_FIXED_50M, "50m", NULL, CLK_IS_ROOT, 50000000, },
- { HIX5HD2_FIXED_25M, "25m", NULL, CLK_IS_ROOT, 25000000, },
- { HIX5HD2_FIXED_83M, "83m", NULL, CLK_IS_ROOT, 83333333, },
+ { HIX5HD2_FIXED_1200M, "1200m", NULL, 0, 1200000000, },
+ { HIX5HD2_FIXED_400M, "400m", NULL, 0, 400000000, },
+ { HIX5HD2_FIXED_48M, "48m", NULL, 0, 48000000, },
+ { HIX5HD2_FIXED_24M, "24m", NULL, 0, 24000000, },
+ { HIX5HD2_FIXED_600M, "600m", NULL, 0, 600000000, },
+ { HIX5HD2_FIXED_300M, "300m", NULL, 0, 300000000, },
+ { HIX5HD2_FIXED_75M, "75m", NULL, 0, 75000000, },
+ { HIX5HD2_FIXED_200M, "200m", NULL, 0, 200000000, },
+ { HIX5HD2_FIXED_100M, "100m", NULL, 0, 100000000, },
+ { HIX5HD2_FIXED_40M, "40m", NULL, 0, 40000000, },
+ { HIX5HD2_FIXED_150M, "150m", NULL, 0, 150000000, },
+ { HIX5HD2_FIXED_1728M, "1728m", NULL, 0, 1728000000, },
+ { HIX5HD2_FIXED_28P8M, "28p8m", NULL, 0, 28000000, },
+ { HIX5HD2_FIXED_432M, "432m", NULL, 0, 432000000, },
+ { HIX5HD2_FIXED_345P6M, "345p6m", NULL, 0, 345000000, },
+ { HIX5HD2_FIXED_288M, "288m", NULL, 0, 288000000, },
+ { HIX5HD2_FIXED_60M, "60m", NULL, 0, 60000000, },
+ { HIX5HD2_FIXED_750M, "750m", NULL, 0, 750000000, },
+ { HIX5HD2_FIXED_500M, "500m", NULL, 0, 500000000, },
+ { HIX5HD2_FIXED_54M, "54m", NULL, 0, 54000000, },
+ { HIX5HD2_FIXED_27M, "27m", NULL, 0, 27000000, },
+ { HIX5HD2_FIXED_1500M, "1500m", NULL, 0, 1500000000, },
+ { HIX5HD2_FIXED_375M, "375m", NULL, 0, 375000000, },
+ { HIX5HD2_FIXED_187M, "187m", NULL, 0, 187000000, },
+ { HIX5HD2_FIXED_250M, "250m", NULL, 0, 250000000, },
+ { HIX5HD2_FIXED_125M, "125m", NULL, 0, 125000000, },
+ { HIX5HD2_FIXED_2P02M, "2m", NULL, 0, 2000000, },
+ { HIX5HD2_FIXED_50M, "50m", NULL, 0, 50000000, },
+ { HIX5HD2_FIXED_25M, "25m", NULL, 0, 25000000, },
+ { HIX5HD2_FIXED_83M, "83m", NULL, 0, 83333333, },
};
static const char *const sfc_mux_p[] __initconst = {
diff --git a/drivers/clk/imx/clk-busy.c b/drivers/clk/imx/clk-busy.c
index 4bb1bc419b79..5cc99590f9a3 100644
--- a/drivers/clk/imx/clk-busy.c
+++ b/drivers/clk/imx/clk-busy.c
@@ -38,7 +38,7 @@ struct clk_busy_divider {
static inline struct clk_busy_divider *to_clk_busy_divider(struct clk_hw *hw)
{
- struct clk_divider *div = container_of(hw, struct clk_divider, hw);
+ struct clk_divider *div = to_clk_divider(hw);
return container_of(div, struct clk_busy_divider, div);
}
@@ -123,7 +123,7 @@ struct clk_busy_mux {
static inline struct clk_busy_mux *to_clk_busy_mux(struct clk_hw *hw)
{
- struct clk_mux *mux = container_of(hw, struct clk_mux, hw);
+ struct clk_mux *mux = to_clk_mux(hw);
return container_of(mux, struct clk_busy_mux, mux);
}
diff --git a/drivers/clk/imx/clk-fixup-div.c b/drivers/clk/imx/clk-fixup-div.c
index 21db020b1f2d..ce5722732715 100644
--- a/drivers/clk/imx/clk-fixup-div.c
+++ b/drivers/clk/imx/clk-fixup-div.c
@@ -15,7 +15,6 @@
#include <linux/slab.h>
#include "clk.h"
-#define to_clk_div(_hw) container_of(_hw, struct clk_divider, hw)
#define div_mask(d) ((1 << (d->width)) - 1)
/**
@@ -35,7 +34,7 @@ struct clk_fixup_div {
static inline struct clk_fixup_div *to_clk_fixup_div(struct clk_hw *hw)
{
- struct clk_divider *divider = to_clk_div(hw);
+ struct clk_divider *divider = to_clk_divider(hw);
return container_of(divider, struct clk_fixup_div, divider);
}
@@ -60,7 +59,7 @@ static int clk_fixup_div_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
struct clk_fixup_div *fixup_div = to_clk_fixup_div(hw);
- struct clk_divider *div = to_clk_div(hw);
+ struct clk_divider *div = to_clk_divider(hw);
unsigned int divider, value;
unsigned long flags = 0;
u32 val;
diff --git a/drivers/clk/imx/clk-fixup-mux.c b/drivers/clk/imx/clk-fixup-mux.c
index 0d40b35c557c..c9b327e0a8dd 100644
--- a/drivers/clk/imx/clk-fixup-mux.c
+++ b/drivers/clk/imx/clk-fixup-mux.c
@@ -15,8 +15,6 @@
#include <linux/slab.h>
#include "clk.h"
-#define to_clk_mux(_hw) container_of(_hw, struct clk_mux, hw)
-
/**
* struct clk_fixup_mux - imx integer fixup multiplexer clock
* @mux: the parent class
diff --git a/drivers/clk/imx/clk-gate-exclusive.c b/drivers/clk/imx/clk-gate-exclusive.c
index c12f5f2e04dc..3bd9dee618b2 100644
--- a/drivers/clk/imx/clk-gate-exclusive.c
+++ b/drivers/clk/imx/clk-gate-exclusive.c
@@ -31,7 +31,7 @@ struct clk_gate_exclusive {
static int clk_gate_exclusive_enable(struct clk_hw *hw)
{
- struct clk_gate *gate = container_of(hw, struct clk_gate, hw);
+ struct clk_gate *gate = to_clk_gate(hw);
struct clk_gate_exclusive *exgate = container_of(gate,
struct clk_gate_exclusive, gate);
u32 val = readl(gate->reg);
diff --git a/drivers/clk/imx/clk-imx6q.c b/drivers/clk/imx/clk-imx6q.c
index f0efc6feeec2..02e18182fcb5 100644
--- a/drivers/clk/imx/clk-imx6q.c
+++ b/drivers/clk/imx/clk-imx6q.c
@@ -34,7 +34,9 @@ static const char *periph2_sels[] = { "periph2_pre", "periph2_clk2", };
static const char *axi_sels[] = { "periph", "pll2_pfd2_396m", "periph", "pll3_pfd1_540m", };
static const char *audio_sels[] = { "pll4_audio_div", "pll3_pfd2_508m", "pll3_pfd3_454m", "pll3_usb_otg", };
static const char *gpu_axi_sels[] = { "axi", "ahb", };
+static const char *pre_axi_sels[] = { "axi", "ahb", };
static const char *gpu2d_core_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd0_352m", "pll2_pfd2_396m", };
+static const char *gpu2d_core_sels_2[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll3_pfd0_720m",};
static const char *gpu3d_core_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll2_pfd2_396m", };
static const char *gpu3d_shader_sels[] = { "mmdc_ch0_axi", "pll3_usb_otg", "pll2_pfd1_594m", "pll3_pfd0_720m", };
static const char *ipu_sels[] = { "mmdc_ch0_axi", "pll2_pfd2_396m", "pll3_120m", "pll3_pfd1_540m", };
@@ -44,15 +46,24 @@ static const char *ipu1_di0_sels[] = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di
static const char *ipu1_di1_sels[] = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
static const char *ipu2_di0_sels[] = { "ipu2_di0_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
static const char *ipu2_di1_sels[] = { "ipu2_di1_pre", "dummy", "dummy", "ldb_di0", "ldb_di1", };
+static const char *ipu1_di0_sels_2[] = { "ipu1_di0_pre", "dummy", "dummy", "ldb_di0_podf", "ldb_di1_podf", };
+static const char *ipu1_di1_sels_2[] = { "ipu1_di1_pre", "dummy", "dummy", "ldb_di0_podf", "ldb_di1_podf", };
+static const char *ipu2_di0_sels_2[] = { "ipu2_di0_pre", "dummy", "dummy", "ldb_di0_podf", "ldb_di1_podf", };
+static const char *ipu2_di1_sels_2[] = { "ipu2_di1_pre", "dummy", "dummy", "ldb_di0_podf", "ldb_di1_podf", };
static const char *hsi_tx_sels[] = { "pll3_120m", "pll2_pfd2_396m", };
static const char *pcie_axi_sels[] = { "axi", "ahb", };
static const char *ssi_sels[] = { "pll3_pfd2_508m", "pll3_pfd3_454m", "pll4_audio_div", };
static const char *usdhc_sels[] = { "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *enfc_sels[] = { "pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", };
+static const char *enfc_sels_2[] = {"pll2_pfd0_352m", "pll2_bus", "pll3_usb_otg", "pll2_pfd2_396m", "pll3_pfd3_454m", "dummy", };
static const char *eim_sels[] = { "pll2_pfd2_396m", "pll3_usb_otg", "axi", "pll2_pfd0_352m", };
static const char *eim_slow_sels[] = { "axi", "pll3_usb_otg", "pll2_pfd2_396m", "pll2_pfd0_352m", };
static const char *vdo_axi_sels[] = { "axi", "ahb", };
static const char *vpu_axi_sels[] = { "axi", "pll2_pfd2_396m", "pll2_pfd0_352m", };
+static const char *uart_sels[] = { "pll3_80m", "osc", };
+static const char *ipg_per_sels[] = { "ipg", "osc", };
+static const char *ecspi_sels[] = { "pll3_60m", "osc", };
+static const char *can_sels[] = { "pll3_60m", "osc", "pll3_80m", };
static const char *cko1_sels[] = { "pll3_usb_otg", "pll2_bus", "pll1_sys", "pll5_video_div",
"dummy", "axi", "enfc", "ipu1_di0", "ipu1_di1", "ipu2_di0",
"ipu2_di1", "ahb", "ipg", "ipg_per", "ckil", "pll4_audio_div", };
@@ -121,12 +132,19 @@ static unsigned int share_count_ssi2;
static unsigned int share_count_ssi3;
static unsigned int share_count_mipi_core_cfg;
static unsigned int share_count_spdif;
+static unsigned int share_count_prg0;
+static unsigned int share_count_prg1;
static inline int clk_on_imx6q(void)
{
return of_machine_is_compatible("fsl,imx6q");
}
+static inline int clk_on_imx6qp(void)
+{
+ return of_machine_is_compatible("fsl,imx6qp");
+}
+
static inline int clk_on_imx6dl(void)
{
return of_machine_is_compatible("fsl,imx6dl");
@@ -265,7 +283,7 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[IMX6QDL_CLK_TWD] = imx_clk_fixed_factor("twd", "arm", 1, 2);
clk[IMX6QDL_CLK_GPT_3M] = imx_clk_fixed_factor("gpt_3m", "osc", 1, 8);
clk[IMX6QDL_CLK_VIDEO_27M] = imx_clk_fixed_factor("video_27m", "pll3_pfd1_540m", 1, 20);
- if (clk_on_imx6dl()) {
+ if (clk_on_imx6dl() || clk_on_imx6qp()) {
clk[IMX6QDL_CLK_GPU2D_AXI] = imx_clk_fixed_factor("gpu2d_axi", "mmdc_ch0_axi_podf", 1, 1);
clk[IMX6QDL_CLK_GPU3D_AXI] = imx_clk_fixed_factor("gpu3d_axi", "mmdc_ch0_axi_podf", 1, 1);
}
@@ -294,7 +312,15 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[IMX6QDL_CLK_GPU2D_AXI] = imx_clk_mux("gpu2d_axi", base + 0x18, 0, 1, gpu_axi_sels, ARRAY_SIZE(gpu_axi_sels));
clk[IMX6QDL_CLK_GPU3D_AXI] = imx_clk_mux("gpu3d_axi", base + 0x18, 1, 1, gpu_axi_sels, ARRAY_SIZE(gpu_axi_sels));
}
- clk[IMX6QDL_CLK_GPU2D_CORE_SEL] = imx_clk_mux("gpu2d_core_sel", base + 0x18, 16, 2, gpu2d_core_sels, ARRAY_SIZE(gpu2d_core_sels));
+ if (clk_on_imx6qp()) {
+ clk[IMX6QDL_CLK_CAN_SEL] = imx_clk_mux("can_sel", base + 0x20, 8, 2, can_sels, ARRAY_SIZE(can_sels));
+ clk[IMX6QDL_CLK_ECSPI_SEL] = imx_clk_mux("ecspi_sel", base + 0x38, 18, 1, ecspi_sels, ARRAY_SIZE(ecspi_sels));
+ clk[IMX6QDL_CLK_IPG_PER_SEL] = imx_clk_mux("ipg_per_sel", base + 0x1c, 6, 1, ipg_per_sels, ARRAY_SIZE(ipg_per_sels));
+ clk[IMX6QDL_CLK_UART_SEL] = imx_clk_mux("uart_sel", base + 0x24, 6, 1, uart_sels, ARRAY_SIZE(uart_sels));
+ clk[IMX6QDL_CLK_GPU2D_CORE_SEL] = imx_clk_mux("gpu2d_core_sel", base + 0x18, 16, 2, gpu2d_core_sels_2, ARRAY_SIZE(gpu2d_core_sels_2));
+ } else {
+ clk[IMX6QDL_CLK_GPU2D_CORE_SEL] = imx_clk_mux("gpu2d_core_sel", base + 0x18, 16, 2, gpu2d_core_sels, ARRAY_SIZE(gpu2d_core_sels));
+ }
clk[IMX6QDL_CLK_GPU3D_CORE_SEL] = imx_clk_mux("gpu3d_core_sel", base + 0x18, 4, 2, gpu3d_core_sels, ARRAY_SIZE(gpu3d_core_sels));
clk[IMX6QDL_CLK_GPU3D_SHADER_SEL] = imx_clk_mux("gpu3d_shader_sel", base + 0x18, 8, 2, gpu3d_shader_sels, ARRAY_SIZE(gpu3d_shader_sels));
clk[IMX6QDL_CLK_IPU1_SEL] = imx_clk_mux("ipu1_sel", base + 0x3c, 9, 2, ipu_sels, ARRAY_SIZE(ipu_sels));
@@ -305,22 +331,40 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[IMX6QDL_CLK_IPU1_DI1_PRE_SEL] = imx_clk_mux_flags("ipu1_di1_pre_sel", base + 0x34, 15, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
clk[IMX6QDL_CLK_IPU2_DI0_PRE_SEL] = imx_clk_mux_flags("ipu2_di0_pre_sel", base + 0x38, 6, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
clk[IMX6QDL_CLK_IPU2_DI1_PRE_SEL] = imx_clk_mux_flags("ipu2_di1_pre_sel", base + 0x38, 15, 3, ipu_di_pre_sels, ARRAY_SIZE(ipu_di_pre_sels), CLK_SET_RATE_PARENT);
- clk[IMX6QDL_CLK_IPU1_DI0_SEL] = imx_clk_mux_flags("ipu1_di0_sel", base + 0x34, 0, 3, ipu1_di0_sels, ARRAY_SIZE(ipu1_di0_sels), CLK_SET_RATE_PARENT);
- clk[IMX6QDL_CLK_IPU1_DI1_SEL] = imx_clk_mux_flags("ipu1_di1_sel", base + 0x34, 9, 3, ipu1_di1_sels, ARRAY_SIZE(ipu1_di1_sels), CLK_SET_RATE_PARENT);
- clk[IMX6QDL_CLK_IPU2_DI0_SEL] = imx_clk_mux_flags("ipu2_di0_sel", base + 0x38, 0, 3, ipu2_di0_sels, ARRAY_SIZE(ipu2_di0_sels), CLK_SET_RATE_PARENT);
- clk[IMX6QDL_CLK_IPU2_DI1_SEL] = imx_clk_mux_flags("ipu2_di1_sel", base + 0x38, 9, 3, ipu2_di1_sels, ARRAY_SIZE(ipu2_di1_sels), CLK_SET_RATE_PARENT);
clk[IMX6QDL_CLK_HSI_TX_SEL] = imx_clk_mux("hsi_tx_sel", base + 0x30, 28, 1, hsi_tx_sels, ARRAY_SIZE(hsi_tx_sels));
clk[IMX6QDL_CLK_PCIE_AXI_SEL] = imx_clk_mux("pcie_axi_sel", base + 0x18, 10, 1, pcie_axi_sels, ARRAY_SIZE(pcie_axi_sels));
- clk[IMX6QDL_CLK_SSI1_SEL] = imx_clk_fixup_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
- clk[IMX6QDL_CLK_SSI2_SEL] = imx_clk_fixup_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
- clk[IMX6QDL_CLK_SSI3_SEL] = imx_clk_fixup_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
- clk[IMX6QDL_CLK_USDHC1_SEL] = imx_clk_fixup_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
- clk[IMX6QDL_CLK_USDHC2_SEL] = imx_clk_fixup_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
- clk[IMX6QDL_CLK_USDHC3_SEL] = imx_clk_fixup_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
- clk[IMX6QDL_CLK_USDHC4_SEL] = imx_clk_fixup_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
- clk[IMX6QDL_CLK_ENFC_SEL] = imx_clk_mux("enfc_sel", base + 0x2c, 16, 2, enfc_sels, ARRAY_SIZE(enfc_sels));
- clk[IMX6QDL_CLK_EIM_SEL] = imx_clk_fixup_mux("eim_sel", base + 0x1c, 27, 2, eim_sels, ARRAY_SIZE(eim_sels), imx_cscmr1_fixup);
- clk[IMX6QDL_CLK_EIM_SLOW_SEL] = imx_clk_fixup_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels, ARRAY_SIZE(eim_slow_sels), imx_cscmr1_fixup);
+ if (clk_on_imx6qp()) {
+ clk[IMX6QDL_CLK_IPU1_DI0_SEL] = imx_clk_mux_flags("ipu1_di0_sel", base + 0x34, 0, 3, ipu1_di0_sels_2, ARRAY_SIZE(ipu1_di0_sels_2), CLK_SET_RATE_PARENT);
+ clk[IMX6QDL_CLK_IPU1_DI1_SEL] = imx_clk_mux_flags("ipu1_di1_sel", base + 0x34, 9, 3, ipu1_di1_sels_2, ARRAY_SIZE(ipu1_di1_sels_2), CLK_SET_RATE_PARENT);
+ clk[IMX6QDL_CLK_IPU2_DI0_SEL] = imx_clk_mux_flags("ipu2_di0_sel", base + 0x38, 0, 3, ipu2_di0_sels_2, ARRAY_SIZE(ipu2_di0_sels_2), CLK_SET_RATE_PARENT);
+ clk[IMX6QDL_CLK_IPU2_DI1_SEL] = imx_clk_mux_flags("ipu2_di1_sel", base + 0x38, 9, 3, ipu2_di1_sels_2, ARRAY_SIZE(ipu2_di1_sels_2), CLK_SET_RATE_PARENT);
+ clk[IMX6QDL_CLK_SSI1_SEL] = imx_clk_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
+ clk[IMX6QDL_CLK_SSI2_SEL] = imx_clk_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
+ clk[IMX6QDL_CLK_SSI3_SEL] = imx_clk_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels));
+ clk[IMX6QDL_CLK_USDHC1_SEL] = imx_clk_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
+ clk[IMX6QDL_CLK_USDHC2_SEL] = imx_clk_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
+ clk[IMX6QDL_CLK_USDHC3_SEL] = imx_clk_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
+ clk[IMX6QDL_CLK_USDHC4_SEL] = imx_clk_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
+ clk[IMX6QDL_CLK_ENFC_SEL] = imx_clk_mux("enfc_sel", base + 0x2c, 15, 3, enfc_sels_2, ARRAY_SIZE(enfc_sels_2));
+ clk[IMX6QDL_CLK_EIM_SEL] = imx_clk_mux("eim_sel", base + 0x1c, 27, 2, eim_sels, ARRAY_SIZE(eim_sels));
+ clk[IMX6QDL_CLK_EIM_SLOW_SEL] = imx_clk_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels, ARRAY_SIZE(eim_slow_sels));
+ clk[IMX6QDL_CLK_PRE_AXI] = imx_clk_mux("pre_axi", base + 0x18, 1, 1, pre_axi_sels, ARRAY_SIZE(pre_axi_sels));
+ } else {
+ clk[IMX6QDL_CLK_IPU1_DI0_SEL] = imx_clk_mux_flags("ipu1_di0_sel", base + 0x34, 0, 3, ipu1_di0_sels, ARRAY_SIZE(ipu1_di0_sels), CLK_SET_RATE_PARENT);
+ clk[IMX6QDL_CLK_IPU1_DI1_SEL] = imx_clk_mux_flags("ipu1_di1_sel", base + 0x34, 9, 3, ipu1_di1_sels, ARRAY_SIZE(ipu1_di1_sels), CLK_SET_RATE_PARENT);
+ clk[IMX6QDL_CLK_IPU2_DI0_SEL] = imx_clk_mux_flags("ipu2_di0_sel", base + 0x38, 0, 3, ipu2_di0_sels, ARRAY_SIZE(ipu2_di0_sels), CLK_SET_RATE_PARENT);
+ clk[IMX6QDL_CLK_IPU2_DI1_SEL] = imx_clk_mux_flags("ipu2_di1_sel", base + 0x38, 9, 3, ipu2_di1_sels, ARRAY_SIZE(ipu2_di1_sels), CLK_SET_RATE_PARENT);
+ clk[IMX6QDL_CLK_SSI1_SEL] = imx_clk_fixup_mux("ssi1_sel", base + 0x1c, 10, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_SSI2_SEL] = imx_clk_fixup_mux("ssi2_sel", base + 0x1c, 12, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_SSI3_SEL] = imx_clk_fixup_mux("ssi3_sel", base + 0x1c, 14, 2, ssi_sels, ARRAY_SIZE(ssi_sels), imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_USDHC1_SEL] = imx_clk_fixup_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_USDHC2_SEL] = imx_clk_fixup_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_USDHC3_SEL] = imx_clk_fixup_mux("usdhc3_sel", base + 0x1c, 18, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_USDHC4_SEL] = imx_clk_fixup_mux("usdhc4_sel", base + 0x1c, 19, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels), imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_ENFC_SEL] = imx_clk_mux("enfc_sel", base + 0x2c, 16, 2, enfc_sels, ARRAY_SIZE(enfc_sels));
+ clk[IMX6QDL_CLK_EIM_SEL] = imx_clk_fixup_mux("eim_sel", base + 0x1c, 27, 2, eim_sels, ARRAY_SIZE(eim_sels), imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_EIM_SLOW_SEL] = imx_clk_fixup_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels, ARRAY_SIZE(eim_slow_sels), imx_cscmr1_fixup);
+ }
clk[IMX6QDL_CLK_VDO_AXI_SEL] = imx_clk_mux("vdo_axi_sel", base + 0x18, 11, 1, vdo_axi_sels, ARRAY_SIZE(vdo_axi_sels));
clk[IMX6QDL_CLK_VPU_AXI_SEL] = imx_clk_mux("vpu_axi_sel", base + 0x18, 14, 2, vpu_axi_sels, ARRAY_SIZE(vpu_axi_sels));
clk[IMX6QDL_CLK_CKO1_SEL] = imx_clk_mux("cko1_sel", base + 0x60, 0, 4, cko1_sels, ARRAY_SIZE(cko1_sels));
@@ -335,23 +379,33 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[IMX6QDL_CLK_PERIPH_CLK2] = imx_clk_divider("periph_clk2", "periph_clk2_sel", base + 0x14, 27, 3);
clk[IMX6QDL_CLK_PERIPH2_CLK2] = imx_clk_divider("periph2_clk2", "periph2_clk2_sel", base + 0x14, 0, 3);
clk[IMX6QDL_CLK_IPG] = imx_clk_divider("ipg", "ahb", base + 0x14, 8, 2);
- clk[IMX6QDL_CLK_IPG_PER] = imx_clk_fixup_divider("ipg_per", "ipg", base + 0x1c, 0, 6, imx_cscmr1_fixup);
clk[IMX6QDL_CLK_ESAI_PRED] = imx_clk_divider("esai_pred", "esai_sel", base + 0x28, 9, 3);
clk[IMX6QDL_CLK_ESAI_PODF] = imx_clk_divider("esai_podf", "esai_pred", base + 0x28, 25, 3);
clk[IMX6QDL_CLK_ASRC_PRED] = imx_clk_divider("asrc_pred", "asrc_sel", base + 0x30, 12, 3);
clk[IMX6QDL_CLK_ASRC_PODF] = imx_clk_divider("asrc_podf", "asrc_pred", base + 0x30, 9, 3);
clk[IMX6QDL_CLK_SPDIF_PRED] = imx_clk_divider("spdif_pred", "spdif_sel", base + 0x30, 25, 3);
clk[IMX6QDL_CLK_SPDIF_PODF] = imx_clk_divider("spdif_podf", "spdif_pred", base + 0x30, 22, 3);
- clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "pll3_60m", base + 0x20, 2, 6);
- clk[IMX6QDL_CLK_ECSPI_ROOT] = imx_clk_divider("ecspi_root", "pll3_60m", base + 0x38, 19, 6);
+ if (clk_on_imx6qp()) {
+ clk[IMX6QDL_CLK_IPG_PER] = imx_clk_divider("ipg_per", "ipg_per_sel", base + 0x1c, 0, 6);
+ clk[IMX6QDL_CLK_ECSPI_ROOT] = imx_clk_divider("ecspi_root", "ecspi_sel", base + 0x38, 19, 6);
+ clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "can_sel", base + 0x20, 2, 6);
+ clk[IMX6QDL_CLK_UART_SERIAL_PODF] = imx_clk_divider("uart_serial_podf", "uart_sel", base + 0x24, 0, 6);
+ clk[IMX6QDL_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0", 2, 7);
+ clk[IMX6QDL_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1", 2, 7);
+ } else {
+ clk[IMX6QDL_CLK_ECSPI_ROOT] = imx_clk_divider("ecspi_root", "pll3_60m", base + 0x38, 19, 6);
+ clk[IMX6QDL_CLK_CAN_ROOT] = imx_clk_divider("can_root", "pll3_60", base + 0x20, 2, 6);
+ clk[IMX6QDL_CLK_IPG_PER] = imx_clk_fixup_divider("ipg_per", "ipg", base + 0x1c, 0, 6, imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_UART_SERIAL_PODF] = imx_clk_divider("uart_serial_podf", "pll3_80m", base + 0x24, 0, 6);
+ clk[IMX6QDL_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
+ clk[IMX6QDL_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7);
+ }
clk[IMX6QDL_CLK_GPU2D_CORE_PODF] = imx_clk_divider("gpu2d_core_podf", "gpu2d_core_sel", base + 0x18, 23, 3);
clk[IMX6QDL_CLK_GPU3D_CORE_PODF] = imx_clk_divider("gpu3d_core_podf", "gpu3d_core_sel", base + 0x18, 26, 3);
clk[IMX6QDL_CLK_GPU3D_SHADER] = imx_clk_divider("gpu3d_shader", "gpu3d_shader_sel", base + 0x18, 29, 3);
clk[IMX6QDL_CLK_IPU1_PODF] = imx_clk_divider("ipu1_podf", "ipu1_sel", base + 0x3c, 11, 3);
clk[IMX6QDL_CLK_IPU2_PODF] = imx_clk_divider("ipu2_podf", "ipu2_sel", base + 0x3c, 16, 3);
- clk[IMX6QDL_CLK_LDB_DI0_DIV_3_5] = imx_clk_fixed_factor("ldb_di0_div_3_5", "ldb_di0_sel", 2, 7);
clk[IMX6QDL_CLK_LDB_DI0_PODF] = imx_clk_divider_flags("ldb_di0_podf", "ldb_di0_div_3_5", base + 0x20, 10, 1, 0);
- clk[IMX6QDL_CLK_LDB_DI1_DIV_3_5] = imx_clk_fixed_factor("ldb_di1_div_3_5", "ldb_di1_sel", 2, 7);
clk[IMX6QDL_CLK_LDB_DI1_PODF] = imx_clk_divider_flags("ldb_di1_podf", "ldb_di1_div_3_5", base + 0x20, 11, 1, 0);
clk[IMX6QDL_CLK_IPU1_DI0_PRE] = imx_clk_divider("ipu1_di0_pre", "ipu1_di0_pre_sel", base + 0x34, 3, 3);
clk[IMX6QDL_CLK_IPU1_DI1_PRE] = imx_clk_divider("ipu1_di1_pre", "ipu1_di1_pre_sel", base + 0x34, 12, 3);
@@ -364,15 +418,19 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[IMX6QDL_CLK_SSI2_PODF] = imx_clk_divider("ssi2_podf", "ssi2_pred", base + 0x2c, 0, 6);
clk[IMX6QDL_CLK_SSI3_PRED] = imx_clk_divider("ssi3_pred", "ssi3_sel", base + 0x28, 22, 3);
clk[IMX6QDL_CLK_SSI3_PODF] = imx_clk_divider("ssi3_podf", "ssi3_pred", base + 0x28, 16, 6);
- clk[IMX6QDL_CLK_UART_SERIAL_PODF] = imx_clk_divider("uart_serial_podf", "pll3_80m", base + 0x24, 0, 6);
clk[IMX6QDL_CLK_USDHC1_PODF] = imx_clk_divider("usdhc1_podf", "usdhc1_sel", base + 0x24, 11, 3);
clk[IMX6QDL_CLK_USDHC2_PODF] = imx_clk_divider("usdhc2_podf", "usdhc2_sel", base + 0x24, 16, 3);
clk[IMX6QDL_CLK_USDHC3_PODF] = imx_clk_divider("usdhc3_podf", "usdhc3_sel", base + 0x24, 19, 3);
clk[IMX6QDL_CLK_USDHC4_PODF] = imx_clk_divider("usdhc4_podf", "usdhc4_sel", base + 0x24, 22, 3);
clk[IMX6QDL_CLK_ENFC_PRED] = imx_clk_divider("enfc_pred", "enfc_sel", base + 0x2c, 18, 3);
clk[IMX6QDL_CLK_ENFC_PODF] = imx_clk_divider("enfc_podf", "enfc_pred", base + 0x2c, 21, 6);
- clk[IMX6QDL_CLK_EIM_PODF] = imx_clk_fixup_divider("eim_podf", "eim_sel", base + 0x1c, 20, 3, imx_cscmr1_fixup);
- clk[IMX6QDL_CLK_EIM_SLOW_PODF] = imx_clk_fixup_divider("eim_slow_podf", "eim_slow_sel", base + 0x1c, 23, 3, imx_cscmr1_fixup);
+ if (clk_on_imx6qp()) {
+ clk[IMX6QDL_CLK_EIM_PODF] = imx_clk_divider("eim_podf", "eim_sel", base + 0x1c, 20, 3);
+ clk[IMX6QDL_CLK_EIM_SLOW_PODF] = imx_clk_divider("eim_slow_podf", "eim_slow_sel", base + 0x1c, 23, 3);
+ } else {
+ clk[IMX6QDL_CLK_EIM_PODF] = imx_clk_fixup_divider("eim_podf", "eim_sel", base + 0x1c, 20, 3, imx_cscmr1_fixup);
+ clk[IMX6QDL_CLK_EIM_SLOW_PODF] = imx_clk_fixup_divider("eim_slow_podf", "eim_slow_sel", base + 0x1c, 23, 3, imx_cscmr1_fixup);
+ }
clk[IMX6QDL_CLK_VPU_AXI_PODF] = imx_clk_divider("vpu_axi_podf", "vpu_axi_sel", base + 0x24, 25, 3);
clk[IMX6QDL_CLK_CKO1_PODF] = imx_clk_divider("cko1_podf", "cko1_sel", base + 0x60, 4, 3);
clk[IMX6QDL_CLK_CKO2_PODF] = imx_clk_divider("cko2_podf", "cko2_sel", base + 0x60, 21, 3);
@@ -380,7 +438,12 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
/* name parent_name reg shift width busy: reg, shift */
clk[IMX6QDL_CLK_AXI] = imx_clk_busy_divider("axi", "axi_sel", base + 0x14, 16, 3, base + 0x48, 0);
clk[IMX6QDL_CLK_MMDC_CH0_AXI_PODF] = imx_clk_busy_divider("mmdc_ch0_axi_podf", "periph", base + 0x14, 19, 3, base + 0x48, 4);
- clk[IMX6QDL_CLK_MMDC_CH1_AXI_PODF] = imx_clk_busy_divider("mmdc_ch1_axi_podf", "periph2", base + 0x14, 3, 3, base + 0x48, 2);
+ if (clk_on_imx6qp()) {
+ clk[IMX6QDL_CLK_MMDC_CH1_AXI_CG] = imx_clk_gate("mmdc_ch1_axi_cg", "periph2", base + 0x4, 18);
+ clk[IMX6QDL_CLK_MMDC_CH1_AXI_PODF] = imx_clk_busy_divider("mmdc_ch1_axi_podf", "mmdc_ch1_axi_cg", base + 0x14, 3, 3, base + 0x48, 2);
+ } else {
+ clk[IMX6QDL_CLK_MMDC_CH1_AXI_PODF] = imx_clk_busy_divider("mmdc_ch1_axi_podf", "periph2", base + 0x14, 3, 3, base + 0x48, 2);
+ }
clk[IMX6QDL_CLK_ARM] = imx_clk_busy_divider("arm", "pll1_sw", base + 0x10, 0, 3, base + 0x48, 16);
clk[IMX6QDL_CLK_AHB] = imx_clk_busy_divider("ahb", "periph", base + 0x14, 10, 3, base + 0x48, 1);
@@ -432,8 +495,13 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[IMX6QDL_CLK_IPU1_DI1] = imx_clk_gate2("ipu1_di1", "ipu1_di1_sel", base + 0x74, 4);
clk[IMX6QDL_CLK_IPU2] = imx_clk_gate2("ipu2", "ipu2_podf", base + 0x74, 6);
clk[IMX6QDL_CLK_IPU2_DI0] = imx_clk_gate2("ipu2_di0", "ipu2_di0_sel", base + 0x74, 8);
- clk[IMX6QDL_CLK_LDB_DI0] = imx_clk_gate2("ldb_di0", "ldb_di0_podf", base + 0x74, 12);
- clk[IMX6QDL_CLK_LDB_DI1] = imx_clk_gate2("ldb_di1", "ldb_di1_podf", base + 0x74, 14);
+ if (clk_on_imx6qp()) {
+ clk[IMX6QDL_CLK_LDB_DI0] = imx_clk_gate2("ldb_di0", "ldb_di0_sel", base + 0x74, 12);
+ clk[IMX6QDL_CLK_LDB_DI1] = imx_clk_gate2("ldb_di1", "ldb_di1_sel", base + 0x74, 14);
+ } else {
+ clk[IMX6QDL_CLK_LDB_DI0] = imx_clk_gate2("ldb_di0", "ldb_di0_podf", base + 0x74, 12);
+ clk[IMX6QDL_CLK_LDB_DI1] = imx_clk_gate2("ldb_di1", "ldb_di1_podf", base + 0x74, 14);
+ }
clk[IMX6QDL_CLK_IPU2_DI1] = imx_clk_gate2("ipu2_di1", "ipu2_di1_sel", base + 0x74, 10);
clk[IMX6QDL_CLK_HSI_TX] = imx_clk_gate2_shared("hsi_tx", "hsi_tx_podf", base + 0x74, 16, &share_count_mipi_core_cfg);
clk[IMX6QDL_CLK_MIPI_CORE_CFG] = imx_clk_gate2_shared("mipi_core_cfg", "video_27m", base + 0x74, 16, &share_count_mipi_core_cfg);
@@ -482,6 +550,16 @@ static void __init imx6q_clocks_init(struct device_node *ccm_node)
clk[IMX6QDL_CLK_EIM_SLOW] = imx_clk_gate2("eim_slow", "eim_slow_podf", base + 0x80, 10);
clk[IMX6QDL_CLK_VDO_AXI] = imx_clk_gate2("vdo_axi", "vdo_axi_sel", base + 0x80, 12);
clk[IMX6QDL_CLK_VPU_AXI] = imx_clk_gate2("vpu_axi", "vpu_axi_podf", base + 0x80, 14);
+ if (clk_on_imx6qp()) {
+ clk[IMX6QDL_CLK_PRE0] = imx_clk_gate2("pre0", "pre_axi", base + 0x80, 16);
+ clk[IMX6QDL_CLK_PRE1] = imx_clk_gate2("pre1", "pre_axi", base + 0x80, 18);
+ clk[IMX6QDL_CLK_PRE2] = imx_clk_gate2("pre2", "pre_axi", base + 0x80, 20);
+ clk[IMX6QDL_CLK_PRE3] = imx_clk_gate2("pre3", "pre_axi", base + 0x80, 22);
+ clk[IMX6QDL_CLK_PRG0_AXI] = imx_clk_gate2_shared("prg0_axi", "ipu1_podf", base + 0x80, 24, &share_count_prg0);
+ clk[IMX6QDL_CLK_PRG1_AXI] = imx_clk_gate2_shared("prg1_axi", "ipu2_podf", base + 0x80, 26, &share_count_prg1);
+ clk[IMX6QDL_CLK_PRG0_APB] = imx_clk_gate2_shared("prg0_apb", "ipg", base + 0x80, 24, &share_count_prg0);
+ clk[IMX6QDL_CLK_PRG1_APB] = imx_clk_gate2_shared("prg1_apb", "ipg", base + 0x80, 26, &share_count_prg1);
+ }
clk[IMX6QDL_CLK_CKO1] = imx_clk_gate("cko1", "cko1_podf", base + 0x60, 7);
clk[IMX6QDL_CLK_CKO2] = imx_clk_gate("cko2", "cko2_podf", base + 0x60, 24);
diff --git a/drivers/clk/imx/clk-imx6ul.c b/drivers/clk/imx/clk-imx6ul.c
index 08692d74b884..0f1f17a8f3ed 100644
--- a/drivers/clk/imx/clk-imx6ul.c
+++ b/drivers/clk/imx/clk-imx6ul.c
@@ -157,9 +157,9 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
clk_set_parent(clks[IMX6UL_PLL7_BYPASS], clks[IMX6UL_CLK_PLL7]);
clks[IMX6UL_CLK_PLL1_SYS] = imx_clk_fixed_factor("pll1_sys", "pll1_bypass", 1, 1);
- clks[IMX6UL_CLK_PLL2_BUS] = imx_clk_gate("pll2_bus", "pll2_bypass", base + 0x30, 13);
- clks[IMX6UL_CLK_PLL3_USB_OTG] = imx_clk_gate("pll3_usb_otg", "pll3_bypass", base + 0x10, 13);
- clks[IMX6UL_CLK_PLL4_AUDIO] = imx_clk_gate("pll4_audio", "pll4_bypass", base + 0x70, 13);
+ clks[IMX6UL_CLK_PLL2_BUS] = imx_clk_gate("pll2_bus", "pll2_bypass", base + 0x30, 13);
+ clks[IMX6UL_CLK_PLL3_USB_OTG] = imx_clk_gate("pll3_usb_otg", "pll3_bypass", base + 0x10, 13);
+ clks[IMX6UL_CLK_PLL4_AUDIO] = imx_clk_gate("pll4_audio", "pll4_bypass", base + 0x70, 13);
clks[IMX6UL_CLK_PLL5_VIDEO] = imx_clk_gate("pll5_video", "pll5_bypass", base + 0xa0, 13);
clks[IMX6UL_CLK_PLL6_ENET] = imx_clk_gate("pll6_enet", "pll6_bypass", base + 0xe0, 13);
clks[IMX6UL_CLK_PLL7_USB_HOST] = imx_clk_gate("pll7_usb_host", "pll7_bypass", base + 0x20, 13);
@@ -196,8 +196,8 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
base + 0xe0, 2, 2, 0, clk_enet_ref_table, &imx_ccm_lock);
clks[IMX6UL_CLK_ENET2_REF_125M] = imx_clk_gate("enet_ref_125m", "enet2_ref", base + 0xe0, 20);
- clks[IMX6UL_CLK_ENET_PTP_REF] = imx_clk_fixed_factor("enet_ptp_ref", "pll6_enet", 1, 20);
- clks[IMX6UL_CLK_ENET_PTP] = imx_clk_gate("enet_ptp", "enet_ptp_ref", base + 0xe0, 21);
+ clks[IMX6UL_CLK_ENET_PTP_REF] = imx_clk_fixed_factor("enet_ptp_ref", "pll6_enet", 1, 20);
+ clks[IMX6UL_CLK_ENET_PTP] = imx_clk_gate("enet_ptp", "enet_ptp_ref", base + 0xe0, 21);
clks[IMX6UL_CLK_PLL4_POST_DIV] = clk_register_divider_table(NULL, "pll4_post_div", "pll4_audio",
CLK_SET_RATE_PARENT | CLK_SET_RATE_GATE, base + 0x70, 19, 2, 0, post_div_table, &imx_ccm_lock);
@@ -210,8 +210,8 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
/* name parent_name mult div */
clks[IMX6UL_CLK_PLL2_198M] = imx_clk_fixed_factor("pll2_198m", "pll2_pfd2_396m", 1, 2);
- clks[IMX6UL_CLK_PLL3_80M] = imx_clk_fixed_factor("pll3_80m", "pll3_usb_otg", 1, 6);
- clks[IMX6UL_CLK_PLL3_60M] = imx_clk_fixed_factor("pll3_60m", "pll3_usb_otg", 1, 8);
+ clks[IMX6UL_CLK_PLL3_80M] = imx_clk_fixed_factor("pll3_80m", "pll3_usb_otg", 1, 6);
+ clks[IMX6UL_CLK_PLL3_60M] = imx_clk_fixed_factor("pll3_60m", "pll3_usb_otg", 1, 8);
clks[IMX6UL_CLK_GPT_3M] = imx_clk_fixed_factor("gpt_3m", "osc", 1, 8);
np = ccm_node;
@@ -219,34 +219,34 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
WARN_ON(!base);
clks[IMX6UL_CA7_SECONDARY_SEL] = imx_clk_mux("ca7_secondary_sel", base + 0xc, 3, 1, ca7_secondary_sels, ARRAY_SIZE(ca7_secondary_sels));
- clks[IMX6UL_CLK_STEP] = imx_clk_mux("step", base + 0x0c, 8, 1, step_sels, ARRAY_SIZE(step_sels));
- clks[IMX6UL_CLK_PLL1_SW] = imx_clk_mux_flags("pll1_sw", base + 0x0c, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels), 0);
+ clks[IMX6UL_CLK_STEP] = imx_clk_mux("step", base + 0x0c, 8, 1, step_sels, ARRAY_SIZE(step_sels));
+ clks[IMX6UL_CLK_PLL1_SW] = imx_clk_mux_flags("pll1_sw", base + 0x0c, 2, 1, pll1_sw_sels, ARRAY_SIZE(pll1_sw_sels), 0);
clks[IMX6UL_CLK_AXI_ALT_SEL] = imx_clk_mux("axi_alt_sel", base + 0x14, 7, 1, axi_alt_sels, ARRAY_SIZE(axi_alt_sels));
- clks[IMX6UL_CLK_AXI_SEL] = imx_clk_mux_flags("axi_sel", base + 0x14, 6, 1, axi_sels, ARRAY_SIZE(axi_sels), 0);
- clks[IMX6UL_CLK_PERIPH_PRE] = imx_clk_mux("periph_pre", base + 0x18, 18, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels));
- clks[IMX6UL_CLK_PERIPH2_PRE] = imx_clk_mux("periph2_pre", base + 0x18, 21, 2, periph2_pre_sels, ARRAY_SIZE(periph2_pre_sels));
+ clks[IMX6UL_CLK_AXI_SEL] = imx_clk_mux_flags("axi_sel", base + 0x14, 6, 1, axi_sels, ARRAY_SIZE(axi_sels), 0);
+ clks[IMX6UL_CLK_PERIPH_PRE] = imx_clk_mux("periph_pre", base + 0x18, 18, 2, periph_pre_sels, ARRAY_SIZE(periph_pre_sels));
+ clks[IMX6UL_CLK_PERIPH2_PRE] = imx_clk_mux("periph2_pre", base + 0x18, 21, 2, periph2_pre_sels, ARRAY_SIZE(periph2_pre_sels));
clks[IMX6UL_CLK_PERIPH_CLK2_SEL] = imx_clk_mux("periph_clk2_sel", base + 0x18, 12, 2, periph_clk2_sels, ARRAY_SIZE(periph_clk2_sels));
clks[IMX6UL_CLK_PERIPH2_CLK2_SEL] = imx_clk_mux("periph2_clk2_sel", base + 0x18, 20, 1, periph2_clk2_sels, ARRAY_SIZE(periph2_clk2_sels));
- clks[IMX6UL_CLK_EIM_SLOW_SEL] = imx_clk_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels, ARRAY_SIZE(eim_slow_sels));
+ clks[IMX6UL_CLK_EIM_SLOW_SEL] = imx_clk_mux("eim_slow_sel", base + 0x1c, 29, 2, eim_slow_sels, ARRAY_SIZE(eim_slow_sels));
clks[IMX6UL_CLK_GPMI_SEL] = imx_clk_mux("gpmi_sel", base + 0x1c, 19, 1, gpmi_sels, ARRAY_SIZE(gpmi_sels));
- clks[IMX6UL_CLK_BCH_SEL] = imx_clk_mux("bch_sel", base + 0x1c, 18, 1, bch_sels, ARRAY_SIZE(bch_sels));
+ clks[IMX6UL_CLK_BCH_SEL] = imx_clk_mux("bch_sel", base + 0x1c, 18, 1, bch_sels, ARRAY_SIZE(bch_sels));
clks[IMX6UL_CLK_USDHC2_SEL] = imx_clk_mux("usdhc2_sel", base + 0x1c, 17, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
clks[IMX6UL_CLK_USDHC1_SEL] = imx_clk_mux("usdhc1_sel", base + 0x1c, 16, 1, usdhc_sels, ARRAY_SIZE(usdhc_sels));
- clks[IMX6UL_CLK_SAI3_SEL] = imx_clk_mux("sai3_sel", base + 0x1c, 14, 2, sai_sels, ARRAY_SIZE(sai_sels));
+ clks[IMX6UL_CLK_SAI3_SEL] = imx_clk_mux("sai3_sel", base + 0x1c, 14, 2, sai_sels, ARRAY_SIZE(sai_sels));
clks[IMX6UL_CLK_SAI2_SEL] = imx_clk_mux("sai2_sel", base + 0x1c, 12, 2, sai_sels, ARRAY_SIZE(sai_sels));
- clks[IMX6UL_CLK_SAI1_SEL] = imx_clk_mux("sai1_sel", base + 0x1c, 10, 2, sai_sels, ARRAY_SIZE(sai_sels));
- clks[IMX6UL_CLK_QSPI1_SEL] = imx_clk_mux("qspi1_sel", base + 0x1c, 7, 3, qspi1_sels, ARRAY_SIZE(qspi1_sels));
- clks[IMX6UL_CLK_PERCLK_SEL] = imx_clk_mux("perclk_sel", base + 0x1c, 6, 1, perclk_sels, ARRAY_SIZE(perclk_sels));
- clks[IMX6UL_CLK_CAN_SEL] = imx_clk_mux("can_sel", base + 0x20, 8, 2, can_sels, ARRAY_SIZE(can_sels));
+ clks[IMX6UL_CLK_SAI1_SEL] = imx_clk_mux("sai1_sel", base + 0x1c, 10, 2, sai_sels, ARRAY_SIZE(sai_sels));
+ clks[IMX6UL_CLK_QSPI1_SEL] = imx_clk_mux("qspi1_sel", base + 0x1c, 7, 3, qspi1_sels, ARRAY_SIZE(qspi1_sels));
+ clks[IMX6UL_CLK_PERCLK_SEL] = imx_clk_mux("perclk_sel", base + 0x1c, 6, 1, perclk_sels, ARRAY_SIZE(perclk_sels));
+ clks[IMX6UL_CLK_CAN_SEL] = imx_clk_mux("can_sel", base + 0x20, 8, 2, can_sels, ARRAY_SIZE(can_sels));
clks[IMX6UL_CLK_UART_SEL] = imx_clk_mux("uart_sel", base + 0x24, 6, 1, uart_sels, ARRAY_SIZE(uart_sels));
clks[IMX6UL_CLK_ENFC_SEL] = imx_clk_mux("enfc_sel", base + 0x2c, 15, 3, enfc_sels, ARRAY_SIZE(enfc_sels));
clks[IMX6UL_CLK_LDB_DI0_SEL] = imx_clk_mux("ldb_di0_sel", base + 0x2c, 9, 3, ldb_di0_sels, ARRAY_SIZE(ldb_di0_sels));
clks[IMX6UL_CLK_SPDIF_SEL] = imx_clk_mux("spdif_sel", base + 0x30, 20, 2, spdif_sels, ARRAY_SIZE(spdif_sels));
- clks[IMX6UL_CLK_SIM_PRE_SEL] = imx_clk_mux("sim_pre_sel", base + 0x34, 15, 3, sim_pre_sels, ARRAY_SIZE(sim_pre_sels));
- clks[IMX6UL_CLK_SIM_SEL] = imx_clk_mux("sim_sel", base + 0x34, 9, 3, sim_sels, ARRAY_SIZE(sim_sels));
+ clks[IMX6UL_CLK_SIM_PRE_SEL] = imx_clk_mux("sim_pre_sel", base + 0x34, 15, 3, sim_pre_sels, ARRAY_SIZE(sim_pre_sels));
+ clks[IMX6UL_CLK_SIM_SEL] = imx_clk_mux("sim_sel", base + 0x34, 9, 3, sim_sels, ARRAY_SIZE(sim_sels));
clks[IMX6UL_CLK_ECSPI_SEL] = imx_clk_mux("ecspi_sel", base + 0x38, 18, 1, ecspi_sels, ARRAY_SIZE(ecspi_sels));
clks[IMX6UL_CLK_LCDIF_PRE_SEL] = imx_clk_mux("lcdif_pre_sel", base + 0x38, 15, 3, lcdif_pre_sels, ARRAY_SIZE(lcdif_pre_sels));
- clks[IMX6UL_CLK_LCDIF_SEL] = imx_clk_mux("lcdif_sel", base + 0x38, 9, 3, lcdif_sels, ARRAY_SIZE(lcdif_sels));
+ clks[IMX6UL_CLK_LCDIF_SEL] = imx_clk_mux("lcdif_sel", base + 0x38, 9, 3, lcdif_sels, ARRAY_SIZE(lcdif_sels));
clks[IMX6UL_CLK_LDB_DI0_DIV_SEL] = imx_clk_mux("ldb_di0", base + 0x20, 10, 1, ldb_di0_div_sels, ARRAY_SIZE(ldb_di0_div_sels));
clks[IMX6UL_CLK_LDB_DI1_DIV_SEL] = imx_clk_mux("ldb_di1", base + 0x20, 11, 1, ldb_di1_div_sels, ARRAY_SIZE(ldb_di1_div_sels));
@@ -259,11 +259,11 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
clks[IMX6UL_CLK_PERIPH] = imx_clk_busy_mux("periph", base + 0x14, 25, 1, base + 0x48, 5, periph_sels, ARRAY_SIZE(periph_sels));
clks[IMX6UL_CLK_PERIPH2] = imx_clk_busy_mux("periph2", base + 0x14, 26, 1, base + 0x48, 3, periph2_sels, ARRAY_SIZE(periph2_sels));
- clks[IMX6UL_CLK_PERIPH_CLK2] = imx_clk_divider("periph_clk2", "periph_clk2_sel", base + 0x14, 27, 3);
- clks[IMX6UL_CLK_PERIPH2_CLK2] = imx_clk_divider("periph2_clk2", "periph2_clk2_sel", base + 0x14, 0, 3);
+ clks[IMX6UL_CLK_PERIPH_CLK2] = imx_clk_divider("periph_clk2", "periph_clk2_sel", base + 0x14, 27, 3);
+ clks[IMX6UL_CLK_PERIPH2_CLK2] = imx_clk_divider("periph2_clk2", "periph2_clk2_sel", base + 0x14, 0, 3);
clks[IMX6UL_CLK_IPG] = imx_clk_divider("ipg", "ahb", base + 0x14, 8, 2);
clks[IMX6UL_CLK_LCDIF_PODF] = imx_clk_divider("lcdif_podf", "lcdif_pred", base + 0x18, 23, 3);
- clks[IMX6UL_CLK_QSPI1_PDOF] = imx_clk_divider("qspi1_podf", "qspi1_sel", base + 0x1c, 26, 3);
+ clks[IMX6UL_CLK_QSPI1_PDOF] = imx_clk_divider("qspi1_podf", "qspi1_sel", base + 0x1c, 26, 3);
clks[IMX6UL_CLK_EIM_SLOW_PODF] = imx_clk_divider("eim_slow_podf", "eim_slow_sel", base + 0x1c, 23, 3);
clks[IMX6UL_CLK_PERCLK] = imx_clk_divider("perclk", "perclk_sel", base + 0x1c, 0, 6);
clks[IMX6UL_CLK_CAN_PODF] = imx_clk_divider("can_podf", "can_sel", base + 0x20, 2, 6);
@@ -287,14 +287,14 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
clks[IMX6UL_CLK_LCDIF_PRED] = imx_clk_divider("lcdif_pred", "lcdif_pre_sel", base + 0x38, 12, 3);
clks[IMX6UL_CLK_CSI_PODF] = imx_clk_divider("csi_podf", "csi_sel", base + 0x3c, 11, 3);
- clks[IMX6UL_CLK_ARM] = imx_clk_busy_divider("arm", "pll1_sw", base + 0x10, 0, 3, base + 0x48, 16);
+ clks[IMX6UL_CLK_ARM] = imx_clk_busy_divider("arm", "pll1_sw", base + 0x10, 0, 3, base + 0x48, 16);
clks[IMX6UL_CLK_MMDC_PODF] = imx_clk_busy_divider("mmdc_podf", "periph2", base + 0x14, 3, 3, base + 0x48, 2);
clks[IMX6UL_CLK_AXI_PODF] = imx_clk_busy_divider("axi_podf", "axi_sel", base + 0x14, 16, 3, base + 0x48, 0);
clks[IMX6UL_CLK_AHB] = imx_clk_busy_divider("ahb", "periph", base + 0x14, 10, 3, base + 0x48, 1);
/* CCGR0 */
- clks[IMX6UL_CLK_AIPSTZ1] = imx_clk_gate2("aips_tz1", "ahb", base + 0x68, 0);
- clks[IMX6UL_CLK_AIPSTZ2] = imx_clk_gate2("aips_tz2", "ahb", base + 0x68, 2);
+ clks[IMX6UL_CLK_AIPSTZ1] = imx_clk_gate2("aips_tz1", "ahb", base + 0x68, 0);
+ clks[IMX6UL_CLK_AIPSTZ2] = imx_clk_gate2("aips_tz2", "ahb", base + 0x68, 2);
clks[IMX6UL_CLK_APBHDMA] = imx_clk_gate2("apbh_dma", "bch_podf", base + 0x68, 4);
clks[IMX6UL_CLK_ASRC_IPG] = imx_clk_gate2_shared("asrc_ipg", "ahb", base + 0x68, 6, &share_count_asrc);
clks[IMX6UL_CLK_ASRC_MEM] = imx_clk_gate2_shared("asrc_mem", "ahb", base + 0x68, 6, &share_count_asrc);
@@ -302,7 +302,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
clks[IMX6UL_CLK_CAAM_ACLK] = imx_clk_gate2("caam_aclk", "ahb", base + 0x68, 10);
clks[IMX6UL_CLK_CAAM_IPG] = imx_clk_gate2("caam_ipg", "ipg", base + 0x68, 12);
clks[IMX6UL_CLK_CAN1_IPG] = imx_clk_gate2("can1_ipg", "ipg", base + 0x68, 14);
- clks[IMX6UL_CLK_CAN1_SERIAL] = imx_clk_gate2("can1_serial", "can_podf", base + 0x68, 16);
+ clks[IMX6UL_CLK_CAN1_SERIAL] = imx_clk_gate2("can1_serial", "can_podf", base + 0x68, 16);
clks[IMX6UL_CLK_CAN2_IPG] = imx_clk_gate2("can2_ipg", "ipg", base + 0x68, 18);
clks[IMX6UL_CLK_CAN2_SERIAL] = imx_clk_gate2("can2_serial", "can_podf", base + 0x68, 20);
clks[IMX6UL_CLK_GPT2_BUS] = imx_clk_gate2("gpt_bus", "perclk", base + 0x68, 24);
@@ -331,7 +331,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
clks[IMX6UL_CLK_CSI] = imx_clk_gate2("csi", "csi_podf", base + 0x70, 2);
clks[IMX6UL_CLK_I2C1] = imx_clk_gate2("i2c1", "perclk", base + 0x70, 6);
clks[IMX6UL_CLK_I2C2] = imx_clk_gate2("i2c2", "perclk", base + 0x70, 8);
- clks[IMX6UL_CLK_I2C3] = imx_clk_gate2("i2c3", "perclk", base + 0x70, 10);
+ clks[IMX6UL_CLK_I2C3] = imx_clk_gate2("i2c3", "perclk", base + 0x70, 10);
clks[IMX6UL_CLK_OCOTP] = imx_clk_gate2("ocotp", "ipg", base + 0x70, 12);
clks[IMX6UL_CLK_IOMUXC] = imx_clk_gate2("iomuxc", "lcdif_podf", base + 0x70, 14);
clks[IMX6UL_CLK_LCDIF_APB] = imx_clk_gate2("lcdif_apb", "axi", base + 0x70, 28);
@@ -365,6 +365,7 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
/* CCGR5 */
clks[IMX6UL_CLK_ROM] = imx_clk_gate2("rom", "ahb", base + 0x7c, 0);
clks[IMX6UL_CLK_SDMA] = imx_clk_gate2("sdma", "ahb", base + 0x7c, 6);
+ clks[IMX6UL_CLK_KPP] = imx_clk_gate2("kpp", "ipg", base + 0x7c, 8);
clks[IMX6UL_CLK_WDOG2] = imx_clk_gate2("wdog2", "ipg", base + 0x7c, 10);
clks[IMX6UL_CLK_SPBA] = imx_clk_gate2("spba", "ipg", base + 0x7c, 12);
clks[IMX6UL_CLK_SPDIF] = imx_clk_gate2_shared("spdif", "spdif_podf", base + 0x7c, 14, &share_count_audio);
@@ -391,10 +392,10 @@ static void __init imx6ul_clocks_init(struct device_node *ccm_node)
clks[IMX6UL_CLK_UART8_IPG] = imx_clk_gate2("uart8_ipg", "ipg", base + 0x80, 14);
clks[IMX6UL_CLK_UART8_SERIAL] = imx_clk_gate2("uart8_serial", "uart_podf", base + 0x80, 14);
clks[IMX6UL_CLK_WDOG3] = imx_clk_gate2("wdog3", "ipg", base + 0x80, 20);
- clks[IMX6UL_CLK_I2C4] = imx_clk_gate2("i2c4", "perclk", base + 0x80, 24);
+ clks[IMX6UL_CLK_I2C4] = imx_clk_gate2("i2c4", "perclk", base + 0x80, 24);
clks[IMX6UL_CLK_PWM5] = imx_clk_gate2("pwm5", "perclk", base + 0x80, 26);
clks[IMX6UL_CLK_PWM6] = imx_clk_gate2("pwm6", "perclk", base + 0x80, 28);
- clks[IMX6UL_CLK_PWM7] = imx_clk_gate2("Pwm7", "perclk", base + 0x80, 30);
+ clks[IMX6UL_CLK_PWM7] = imx_clk_gate2("pwm7", "perclk", base + 0x80, 30);
/* mask handshake of mmdc */
writel_relaxed(BM_CCM_CCDR_MMDC_CH0_MASK, base + CCDR);
diff --git a/drivers/clk/imx/clk.h b/drivers/clk/imx/clk.h
index c94ac5c26226..d942f5748d08 100644
--- a/drivers/clk/imx/clk.h
+++ b/drivers/clk/imx/clk.h
@@ -87,7 +87,7 @@ struct clk *imx_clk_fixup_mux(const char *name, void __iomem *reg,
static inline struct clk *imx_clk_fixed(const char *name, int rate)
{
- return clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate);
+ return clk_register_fixed_rate(NULL, name, NULL, 0, rate);
}
static inline struct clk *imx_clk_divider(const char *name, const char *parent,
diff --git a/drivers/clk/mediatek/clk-gate.c b/drivers/clk/mediatek/clk-gate.c
index 576bdb7c98b8..2a76901bf04b 100644
--- a/drivers/clk/mediatek/clk-gate.c
+++ b/drivers/clk/mediatek/clk-gate.c
@@ -25,7 +25,7 @@
static int mtk_cg_bit_is_cleared(struct clk_hw *hw)
{
- struct mtk_clk_gate *cg = to_clk_gate(hw);
+ struct mtk_clk_gate *cg = to_mtk_clk_gate(hw);
u32 val;
regmap_read(cg->regmap, cg->sta_ofs, &val);
@@ -37,7 +37,7 @@ static int mtk_cg_bit_is_cleared(struct clk_hw *hw)
static int mtk_cg_bit_is_set(struct clk_hw *hw)
{
- struct mtk_clk_gate *cg = to_clk_gate(hw);
+ struct mtk_clk_gate *cg = to_mtk_clk_gate(hw);
u32 val;
regmap_read(cg->regmap, cg->sta_ofs, &val);
@@ -49,14 +49,14 @@ static int mtk_cg_bit_is_set(struct clk_hw *hw)
static void mtk_cg_set_bit(struct clk_hw *hw)
{
- struct mtk_clk_gate *cg = to_clk_gate(hw);
+ struct mtk_clk_gate *cg = to_mtk_clk_gate(hw);
regmap_write(cg->regmap, cg->set_ofs, BIT(cg->bit));
}
static void mtk_cg_clr_bit(struct clk_hw *hw)
{
- struct mtk_clk_gate *cg = to_clk_gate(hw);
+ struct mtk_clk_gate *cg = to_mtk_clk_gate(hw);
regmap_write(cg->regmap, cg->clr_ofs, BIT(cg->bit));
}
diff --git a/drivers/clk/mediatek/clk-gate.h b/drivers/clk/mediatek/clk-gate.h
index 11e25c992948..b1821603b887 100644
--- a/drivers/clk/mediatek/clk-gate.h
+++ b/drivers/clk/mediatek/clk-gate.h
@@ -29,7 +29,7 @@ struct mtk_clk_gate {
u8 bit;
};
-static inline struct mtk_clk_gate *to_clk_gate(struct clk_hw *hw)
+static inline struct mtk_clk_gate *to_mtk_clk_gate(struct clk_hw *hw)
{
return container_of(hw, struct mtk_clk_gate, hw);
}
diff --git a/drivers/clk/mediatek/clk-mtk.c b/drivers/clk/mediatek/clk-mtk.c
index cf08db6c130c..5ada644e6200 100644
--- a/drivers/clk/mediatek/clk-mtk.c
+++ b/drivers/clk/mediatek/clk-mtk.c
@@ -58,8 +58,8 @@ void __init mtk_clk_register_fixed_clks(const struct mtk_fixed_clk *clks,
for (i = 0; i < num; i++) {
const struct mtk_fixed_clk *rc = &clks[i];
- clk = clk_register_fixed_rate(NULL, rc->name, rc->parent,
- rc->parent ? 0 : CLK_IS_ROOT, rc->rate);
+ clk = clk_register_fixed_rate(NULL, rc->name, rc->parent, 0,
+ rc->rate);
if (IS_ERR(clk)) {
pr_err("Failed to register clk %s: %ld\n",
@@ -209,12 +209,14 @@ struct clk * __init mtk_clk_register_composite(const struct mtk_composite *mc,
mc->flags);
if (IS_ERR(clk)) {
- kfree(gate);
- kfree(mux);
+ ret = PTR_ERR(clk);
+ goto err_out;
}
return clk;
err_out:
+ kfree(div);
+ kfree(gate);
kfree(mux);
return ERR_PTR(ret);
diff --git a/drivers/clk/meson/clkc.c b/drivers/clk/meson/clkc.c
index c83ae1367abc..d920d410b51d 100644
--- a/drivers/clk/meson/clkc.c
+++ b/drivers/clk/meson/clkc.c
@@ -198,7 +198,7 @@ meson_clk_register_fixed_rate(const struct clk_conf *clk_conf,
}
void __init meson_clk_register_clks(const struct clk_conf *clk_confs,
- size_t nr_confs,
+ unsigned int nr_confs,
void __iomem *clk_base)
{
unsigned int i;
diff --git a/drivers/clk/mvebu/Kconfig b/drivers/clk/mvebu/Kconfig
index 27696255486d..eaee8f099c8c 100644
--- a/drivers/clk/mvebu/Kconfig
+++ b/drivers/clk/mvebu/Kconfig
@@ -11,7 +11,6 @@ config ARMADA_370_CLK
bool
select MVEBU_CLK_COMMON
select MVEBU_CLK_CPU
- select MVEBU_CLK_COREDIV
config ARMADA_375_CLK
bool
@@ -29,7 +28,6 @@ config ARMADA_XP_CLK
bool
select MVEBU_CLK_COMMON
select MVEBU_CLK_CPU
- select MVEBU_CLK_COREDIV
config DOVE_CLK
bool
diff --git a/drivers/clk/mvebu/common.c b/drivers/clk/mvebu/common.c
index 28aac67e7b92..66be2e0c82b4 100644
--- a/drivers/clk/mvebu/common.c
+++ b/drivers/clk/mvebu/common.c
@@ -137,8 +137,8 @@ void __init mvebu_coreclk_setup(struct device_node *np,
of_property_read_string_index(np, "clock-output-names", 0,
&tclk_name);
rate = desc->get_tclk_freq(base);
- clk_data.clks[0] = clk_register_fixed_rate(NULL, tclk_name, NULL,
- CLK_IS_ROOT, rate);
+ clk_data.clks[0] = clk_register_fixed_rate(NULL, tclk_name, NULL, 0,
+ rate);
WARN_ON(IS_ERR(clk_data.clks[0]));
/* Register CPU clock */
@@ -150,8 +150,8 @@ void __init mvebu_coreclk_setup(struct device_node *np,
&& desc->is_sscg_enabled(base))
rate = desc->fix_sscg_deviation(rate);
- clk_data.clks[1] = clk_register_fixed_rate(NULL, cpuclk_name, NULL,
- CLK_IS_ROOT, rate);
+ clk_data.clks[1] = clk_register_fixed_rate(NULL, cpuclk_name, NULL, 0,
+ rate);
WARN_ON(IS_ERR(clk_data.clks[1]));
/* Register fixed-factor clocks derived from CPU clock */
@@ -174,8 +174,7 @@ void __init mvebu_coreclk_setup(struct device_node *np,
2 + desc->num_ratios, &name);
rate = desc->get_refclk_freq(base);
clk_data.clks[2 + desc->num_ratios] =
- clk_register_fixed_rate(NULL, name, NULL,
- CLK_IS_ROOT, rate);
+ clk_register_fixed_rate(NULL, name, NULL, 0, rate);
WARN_ON(IS_ERR(clk_data.clks[2 + desc->num_ratios]));
}
@@ -199,8 +198,6 @@ struct clk_gating_ctrl {
u32 saved_reg;
};
-#define to_clk_gate(_hw) container_of(_hw, struct clk_gate, hw)
-
static struct clk_gating_ctrl *ctrl;
static struct clk *clk_gating_get_src(
diff --git a/drivers/clk/mvebu/dove-divider.c b/drivers/clk/mvebu/dove-divider.c
index 3e0b52daa35f..4091f3cfee19 100644
--- a/drivers/clk/mvebu/dove-divider.c
+++ b/drivers/clk/mvebu/dove-divider.c
@@ -225,8 +225,7 @@ static int dove_divider_init(struct device *dev, void __iomem *base,
* Create the core PLL clock. We treat this as a fixed rate
* clock as we don't know any better, and documentation is sparse.
*/
- clk = clk_register_fixed_rate(dev, core_pll[0], NULL, CLK_IS_ROOT,
- 2000000000UL);
+ clk = clk_register_fixed_rate(dev, core_pll[0], NULL, 0, 2000000000UL);
if (IS_ERR(clk))
return PTR_ERR(clk);
diff --git a/drivers/clk/mvebu/kirkwood.c b/drivers/clk/mvebu/kirkwood.c
index 99550f25975e..a2a8d614039d 100644
--- a/drivers/clk/mvebu/kirkwood.c
+++ b/drivers/clk/mvebu/kirkwood.c
@@ -256,8 +256,6 @@ static const struct clk_muxing_soc_desc kirkwood_mux_desc[] __initconst = {
11, 1, 0 },
};
-#define to_clk_mux(_hw) container_of(_hw, struct clk_mux, hw)
-
static struct clk *clk_muxing_get_src(
struct of_phandle_args *clkspec, void *data)
{
diff --git a/drivers/clk/mxs/clk-div.c b/drivers/clk/mxs/clk-div.c
index 049ee27d5a22..f75e989c578f 100644
--- a/drivers/clk/mxs/clk-div.c
+++ b/drivers/clk/mxs/clk-div.c
@@ -33,7 +33,7 @@ struct clk_div {
static inline struct clk_div *to_clk_div(struct clk_hw *hw)
{
- struct clk_divider *divider = container_of(hw, struct clk_divider, hw);
+ struct clk_divider *divider = to_clk_divider(hw);
return container_of(divider, struct clk_div, divider);
}
diff --git a/drivers/clk/mxs/clk.h b/drivers/clk/mxs/clk.h
index a4590956d2a2..5a264a486ad9 100644
--- a/drivers/clk/mxs/clk.h
+++ b/drivers/clk/mxs/clk.h
@@ -38,7 +38,7 @@ struct clk *mxs_clk_frac(const char *name, const char *parent_name,
static inline struct clk *mxs_clk_fixed(const char *name, int rate)
{
- return clk_register_fixed_rate(NULL, name, NULL, CLK_IS_ROOT, rate);
+ return clk_register_fixed_rate(NULL, name, NULL, 0, rate);
}
static inline struct clk *mxs_clk_gate(const char *name,
diff --git a/drivers/clk/nxp/Makefile b/drivers/clk/nxp/Makefile
index 607bd48c6563..d456ee6cc3d3 100644
--- a/drivers/clk/nxp/Makefile
+++ b/drivers/clk/nxp/Makefile
@@ -1,3 +1,4 @@
obj-$(CONFIG_ARCH_LPC18XX) += clk-lpc18xx-cgu.o
obj-$(CONFIG_ARCH_LPC18XX) += clk-lpc18xx-ccu.o
+obj-$(CONFIG_ARCH_LPC18XX) += clk-lpc18xx-creg.o
obj-$(CONFIG_ARCH_LPC32XX) += clk-lpc32xx.o
diff --git a/drivers/clk/nxp/clk-lpc18xx-ccu.c b/drivers/clk/nxp/clk-lpc18xx-ccu.c
index 13aabbb3acbe..f7136b94fd0e 100644
--- a/drivers/clk/nxp/clk-lpc18xx-ccu.c
+++ b/drivers/clk/nxp/clk-lpc18xx-ccu.c
@@ -28,8 +28,6 @@
#define CCU_BRANCH_IS_BUS BIT(0)
#define CCU_BRANCH_HAVE_DIV2 BIT(1)
-#define to_clk_gate(_hw) container_of(_hw, struct clk_gate, hw)
-
struct lpc18xx_branch_clk_data {
const char **name;
int num;
@@ -222,7 +220,7 @@ static void lpc18xx_ccu_register_branch_gate_div(struct lpc18xx_clk_branch *bran
div->width = 1;
div_hw = &div->hw;
- div_ops = &clk_divider_ops;
+ div_ops = &clk_divider_ro_ops;
}
branch->gate.reg = branch->offset + reg_base;
diff --git a/drivers/clk/nxp/clk-lpc18xx-cgu.c b/drivers/clk/nxp/clk-lpc18xx-cgu.c
index c924572fc9bc..2531174b399e 100644
--- a/drivers/clk/nxp/clk-lpc18xx-cgu.c
+++ b/drivers/clk/nxp/clk-lpc18xx-cgu.c
@@ -605,7 +605,7 @@ static void __init lpc18xx_cgu_register_source_clks(struct device_node *np,
/* Register the internal 12 MHz RC oscillator (IRC) */
clk = clk_register_fixed_rate(NULL, clk_src_names[CLK_SRC_IRC],
- NULL, CLK_IS_ROOT, 12000000);
+ NULL, 0, 12000000);
if (IS_ERR(clk))
pr_warn("%s: failed to register irc clk\n", __func__);
diff --git a/drivers/clk/nxp/clk-lpc18xx-creg.c b/drivers/clk/nxp/clk-lpc18xx-creg.c
new file mode 100644
index 000000000000..d44b61afa2dc
--- /dev/null
+++ b/drivers/clk/nxp/clk-lpc18xx-creg.c
@@ -0,0 +1,226 @@
+/*
+ * Clk driver for NXP LPC18xx/43xx Configuration Registers (CREG)
+ *
+ * Copyright (C) 2015 Joachim Eastwood <manabian@gmail.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <linux/mfd/syscon.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+
+#define LPC18XX_CREG_CREG0 0x004
+#define LPC18XX_CREG_CREG0_EN1KHZ BIT(0)
+#define LPC18XX_CREG_CREG0_EN32KHZ BIT(1)
+#define LPC18XX_CREG_CREG0_RESET32KHZ BIT(2)
+#define LPC18XX_CREG_CREG0_PD32KHZ BIT(3)
+
+#define to_clk_creg(_hw) container_of(_hw, struct clk_creg_data, hw)
+
+enum {
+ CREG_CLK_1KHZ,
+ CREG_CLK_32KHZ,
+ CREG_CLK_MAX,
+};
+
+struct clk_creg_data {
+ struct clk_hw hw;
+ const char *name;
+ struct regmap *reg;
+ unsigned int en_mask;
+ const struct clk_ops *ops;
+};
+
+#define CREG_CLK(_name, _emask, _ops) \
+{ \
+ .name = _name, \
+ .en_mask = LPC18XX_CREG_CREG0_##_emask, \
+ .ops = &_ops, \
+}
+
+static int clk_creg_32k_prepare(struct clk_hw *hw)
+{
+ struct clk_creg_data *creg = to_clk_creg(hw);
+ int ret;
+
+ ret = regmap_update_bits(creg->reg, LPC18XX_CREG_CREG0,
+ LPC18XX_CREG_CREG0_PD32KHZ |
+ LPC18XX_CREG_CREG0_RESET32KHZ, 0);
+
+ /*
+ * Powering up the 32k oscillator takes a long while
+ * and sadly there aren't any status bit to poll.
+ */
+ msleep(2500);
+
+ return ret;
+}
+
+static void clk_creg_32k_unprepare(struct clk_hw *hw)
+{
+ struct clk_creg_data *creg = to_clk_creg(hw);
+
+ regmap_update_bits(creg->reg, LPC18XX_CREG_CREG0,
+ LPC18XX_CREG_CREG0_PD32KHZ,
+ LPC18XX_CREG_CREG0_PD32KHZ);
+}
+
+static int clk_creg_32k_is_prepared(struct clk_hw *hw)
+{
+ struct clk_creg_data *creg = to_clk_creg(hw);
+ u32 reg;
+
+ regmap_read(creg->reg, LPC18XX_CREG_CREG0, &reg);
+
+ return !(reg & LPC18XX_CREG_CREG0_PD32KHZ) &&
+ !(reg & LPC18XX_CREG_CREG0_RESET32KHZ);
+}
+
+static unsigned long clk_creg_1k_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ return parent_rate / 32;
+}
+
+static int clk_creg_enable(struct clk_hw *hw)
+{
+ struct clk_creg_data *creg = to_clk_creg(hw);
+
+ return regmap_update_bits(creg->reg, LPC18XX_CREG_CREG0,
+ creg->en_mask, creg->en_mask);
+}
+
+static void clk_creg_disable(struct clk_hw *hw)
+{
+ struct clk_creg_data *creg = to_clk_creg(hw);
+
+ regmap_update_bits(creg->reg, LPC18XX_CREG_CREG0,
+ creg->en_mask, 0);
+}
+
+static int clk_creg_is_enabled(struct clk_hw *hw)
+{
+ struct clk_creg_data *creg = to_clk_creg(hw);
+ u32 reg;
+
+ regmap_read(creg->reg, LPC18XX_CREG_CREG0, &reg);
+
+ return !!(reg & creg->en_mask);
+}
+
+static const struct clk_ops clk_creg_32k = {
+ .enable = clk_creg_enable,
+ .disable = clk_creg_disable,
+ .is_enabled = clk_creg_is_enabled,
+ .prepare = clk_creg_32k_prepare,
+ .unprepare = clk_creg_32k_unprepare,
+ .is_prepared = clk_creg_32k_is_prepared,
+};
+
+static const struct clk_ops clk_creg_1k = {
+ .enable = clk_creg_enable,
+ .disable = clk_creg_disable,
+ .is_enabled = clk_creg_is_enabled,
+ .recalc_rate = clk_creg_1k_recalc_rate,
+};
+
+static struct clk_creg_data clk_creg_clocks[] = {
+ [CREG_CLK_1KHZ] = CREG_CLK("1khz_clk", EN1KHZ, clk_creg_1k),
+ [CREG_CLK_32KHZ] = CREG_CLK("32khz_clk", EN32KHZ, clk_creg_32k),
+};
+
+static struct clk *clk_register_creg_clk(struct device *dev,
+ struct clk_creg_data *creg_clk,
+ const char **parent_name,
+ struct regmap *syscon)
+{
+ struct clk_init_data init;
+
+ init.ops = creg_clk->ops;
+ init.name = creg_clk->name;
+ init.parent_names = parent_name;
+ init.num_parents = 1;
+
+ creg_clk->reg = syscon;
+ creg_clk->hw.init = &init;
+
+ if (dev)
+ return devm_clk_register(dev, &creg_clk->hw);
+
+ return clk_register(NULL, &creg_clk->hw);
+}
+
+static struct clk *clk_creg_early[CREG_CLK_MAX];
+static struct clk_onecell_data clk_creg_early_data = {
+ .clks = clk_creg_early,
+ .clk_num = CREG_CLK_MAX,
+};
+
+static void __init lpc18xx_creg_clk_init(struct device_node *np)
+{
+ const char *clk_32khz_parent;
+ struct regmap *syscon;
+
+ syscon = syscon_node_to_regmap(np->parent);
+ if (IS_ERR(syscon)) {
+ pr_err("%s: syscon lookup failed\n", __func__);
+ return;
+ }
+
+ clk_32khz_parent = of_clk_get_parent_name(np, 0);
+
+ clk_creg_early[CREG_CLK_32KHZ] =
+ clk_register_creg_clk(NULL, &clk_creg_clocks[CREG_CLK_32KHZ],
+ &clk_32khz_parent, syscon);
+ clk_creg_early[CREG_CLK_1KHZ] = ERR_PTR(-EPROBE_DEFER);
+
+ of_clk_add_provider(np, of_clk_src_onecell_get, &clk_creg_early_data);
+}
+CLK_OF_DECLARE(lpc18xx_creg_clk, "nxp,lpc1850-creg-clk", lpc18xx_creg_clk_init);
+
+static struct clk *clk_creg[CREG_CLK_MAX];
+static struct clk_onecell_data clk_creg_data = {
+ .clks = clk_creg,
+ .clk_num = CREG_CLK_MAX,
+};
+
+static int lpc18xx_creg_clk_probe(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct regmap *syscon;
+
+ syscon = syscon_node_to_regmap(np->parent);
+ if (IS_ERR(syscon)) {
+ dev_err(&pdev->dev, "syscon lookup failed\n");
+ return PTR_ERR(syscon);
+ }
+
+ clk_creg[CREG_CLK_32KHZ] = clk_creg_early[CREG_CLK_32KHZ];
+ clk_creg[CREG_CLK_1KHZ] =
+ clk_register_creg_clk(NULL, &clk_creg_clocks[CREG_CLK_1KHZ],
+ &clk_creg_clocks[CREG_CLK_32KHZ].name,
+ syscon);
+
+ return of_clk_add_provider(np, of_clk_src_onecell_get, &clk_creg_data);
+}
+
+static const struct of_device_id lpc18xx_creg_clk_of_match[] = {
+ { .compatible = "nxp,lpc1850-creg-clk" },
+ {},
+};
+
+static struct platform_driver lpc18xx_creg_clk_driver = {
+ .probe = lpc18xx_creg_clk_probe,
+ .driver = {
+ .name = "lpc18xx-creg-clk",
+ .of_match_table = lpc18xx_creg_clk_of_match,
+ },
+};
+builtin_platform_driver(lpc18xx_creg_clk_driver);
diff --git a/drivers/clk/nxp/clk-lpc32xx.c b/drivers/clk/nxp/clk-lpc32xx.c
index 10dd0fdaa474..481b2646b496 100644
--- a/drivers/clk/nxp/clk-lpc32xx.c
+++ b/drivers/clk/nxp/clk-lpc32xx.c
@@ -87,7 +87,7 @@ enum {
enum {
/* Start from the last defined clock in dt bindings */
- LPC32XX_CLK_ADC_DIV = LPC32XX_CLK_ADC + 1,
+ LPC32XX_CLK_ADC_DIV = LPC32XX_CLK_HCLK_PLL + 1,
LPC32XX_CLK_ADC_RTC,
LPC32XX_CLK_TEST1,
LPC32XX_CLK_TEST2,
@@ -96,7 +96,6 @@ enum {
LPC32XX_CLK_OSC,
LPC32XX_CLK_SYS,
LPC32XX_CLK_PLL397X,
- LPC32XX_CLK_HCLK_PLL,
LPC32XX_CLK_HCLK_DIV_PERIPH,
LPC32XX_CLK_HCLK_DIV,
LPC32XX_CLK_HCLK,
@@ -589,7 +588,8 @@ static long clk_hclk_pll_round_rate(struct clk_hw *hw, unsigned long rate,
unsigned long *parent_rate)
{
struct lpc32xx_pll_clk *clk = to_lpc32xx_pll_clk(hw);
- u64 m_i, m, n, p, o = rate, i = *parent_rate, d = (u64)rate << 6;
+ u64 m_i, o = rate, i = *parent_rate, d = (u64)rate << 6;
+ u64 m = 0, n = 0, p = 0;
int p_i, n_i;
pr_debug("%s: %lu/%lu\n", clk_hw_get_name(hw), *parent_rate, rate);
@@ -1429,6 +1429,8 @@ static struct clk * __init lpc32xx_clk_register(u32 id)
hw = &clk_hw->hw0.div.hw;
else if (clk_hw->type == CLK_GATE)
hw = &clk_hw->hw0.gate.hw;
+ else
+ return ERR_PTR(-EINVAL);
hw->init = &clk_init;
clk = clk_register(NULL, hw);
@@ -1515,7 +1517,7 @@ static void __init lpc32xx_clk_init(struct device_node *np)
return;
}
- for (i = 0; i < LPC32XX_CLK_MAX; i++) {
+ for (i = 1; i < LPC32XX_CLK_MAX; i++) {
clk[i] = lpc32xx_clk_register(i);
if (IS_ERR(clk[i])) {
pr_err("failed to register %s clock: %ld\n",
@@ -1526,9 +1528,6 @@ static void __init lpc32xx_clk_init(struct device_node *np)
of_clk_add_provider(np, of_clk_src_onecell_get, &clk_data);
- /* For 13MHz osc valid output range of PLL is from 156MHz to 266.5MHz */
- clk_set_rate(clk[LPC32XX_CLK_HCLK_PLL], 208000000);
-
/* Set 48MHz rate of USB PLL clock */
clk_set_rate(clk[LPC32XX_CLK_USB_PLL], 48000000);
@@ -1555,7 +1554,7 @@ static void __init lpc32xx_usb_clk_init(struct device_node *np)
return;
}
- for (i = 0; i < LPC32XX_USB_CLK_MAX; i++) {
+ for (i = 1; i < LPC32XX_USB_CLK_MAX; i++) {
usb_clk[i] = lpc32xx_clk_register(i + LPC32XX_CLK_USB_OFFSET);
if (IS_ERR(usb_clk[i])) {
pr_err("failed to register %s clock: %ld\n",
diff --git a/drivers/clk/pxa/clk-pxa25x.c b/drivers/clk/pxa/clk-pxa25x.c
index b7747229db9a..a98b98e2a9e4 100644
--- a/drivers/clk/pxa/clk-pxa25x.c
+++ b/drivers/clk/pxa/clk-pxa25x.c
@@ -84,7 +84,7 @@ unsigned int pxa25x_get_clk_frequency_khz(int info)
static unsigned long clk_pxa25x_memory_get_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- unsigned long cccr = CCCR;
+ unsigned long cccr = readl(CCCR);
unsigned int m = M_clk_mult[(cccr >> 5) & 0x03];
return parent_rate / m;
@@ -99,7 +99,7 @@ PARENTS(pxa25x_osc3) = { "osc_3_6864mhz", "osc_3_6864mhz" };
#define PXA25X_CKEN(dev_id, con_id, parents, mult, div, \
bit, is_lp, flags) \
PXA_CKEN(dev_id, con_id, bit, parents, mult, div, mult, div, \
- is_lp, &CKEN, CKEN_ ## bit, flags)
+ is_lp, CKEN, CKEN_ ## bit, flags)
#define PXA25X_PBUS95_CKEN(dev_id, con_id, bit, mult_hp, div_hp, delay) \
PXA25X_CKEN(dev_id, con_id, pxa25x_pbus95_parents, mult_hp, \
div_hp, bit, NULL, 0)
@@ -112,10 +112,10 @@ PARENTS(pxa25x_osc3) = { "osc_3_6864mhz", "osc_3_6864mhz" };
#define PXA25X_CKEN_1RATE(dev_id, con_id, bit, parents, delay) \
PXA_CKEN_1RATE(dev_id, con_id, bit, parents, \
- &CKEN, CKEN_ ## bit, 0)
+ CKEN, CKEN_ ## bit, 0)
#define PXA25X_CKEN_1RATE_AO(dev_id, con_id, bit, parents, delay) \
PXA_CKEN_1RATE(dev_id, con_id, bit, parents, \
- &CKEN, CKEN_ ## bit, CLK_IGNORE_UNUSED)
+ CKEN, CKEN_ ## bit, CLK_IGNORE_UNUSED)
static struct desc_clk_cken pxa25x_clocks[] __initdata = {
PXA25X_PBUS95_CKEN("pxa2xx-mci.0", NULL, MMC, 1, 5, 0),
@@ -162,7 +162,7 @@ MUX_RO_RATE_RO_OPS(clk_pxa25x_core, "core");
static unsigned long clk_pxa25x_run_get_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- unsigned long cccr = CCCR;
+ unsigned long cccr = readl(CCCR);
unsigned int n2 = N2_clk_mult[(cccr >> 7) & 0x07];
return (parent_rate / n2) * 2;
@@ -173,7 +173,7 @@ RATE_RO_OPS(clk_pxa25x_run, "run");
static unsigned long clk_pxa25x_cpll_get_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- unsigned long clkcfg, cccr = CCCR;
+ unsigned long clkcfg, cccr = readl(CCCR);
unsigned int l, m, n2, t;
asm("mrc\tp14, 0, %0, c6, c0, 0" : "=r" (clkcfg));
@@ -200,12 +200,10 @@ static void __init pxa25x_register_core(void)
static void __init pxa25x_register_plls(void)
{
clk_register_fixed_rate(NULL, "osc_3_6864mhz", NULL,
- CLK_GET_RATE_NOCACHE | CLK_IS_ROOT,
- 3686400);
+ CLK_GET_RATE_NOCACHE, 3686400);
clk_register_fixed_rate(NULL, "osc_32_768khz", NULL,
- CLK_GET_RATE_NOCACHE | CLK_IS_ROOT,
- 32768);
- clk_register_fixed_rate(NULL, "clk_dummy", NULL, CLK_IS_ROOT, 0);
+ CLK_GET_RATE_NOCACHE, 32768);
+ clk_register_fixed_rate(NULL, "clk_dummy", NULL, 0, 0);
clk_register_fixed_factor(NULL, "ppll_95_85mhz", "osc_3_6864mhz",
0, 26, 1);
clk_register_fixed_factor(NULL, "ppll_147_46mhz", "osc_3_6864mhz",
diff --git a/drivers/clk/pxa/clk-pxa27x.c b/drivers/clk/pxa/clk-pxa27x.c
index 5b82d30baf9f..c40b1804f58c 100644
--- a/drivers/clk/pxa/clk-pxa27x.c
+++ b/drivers/clk/pxa/clk-pxa27x.c
@@ -85,7 +85,7 @@ unsigned int pxa27x_get_clk_frequency_khz(int info)
bool pxa27x_is_ppll_disabled(void)
{
- unsigned long ccsr = CCSR;
+ unsigned long ccsr = readl(CCSR);
return ccsr & (1 << CCCR_PPDIS_BIT);
}
@@ -93,7 +93,7 @@ bool pxa27x_is_ppll_disabled(void)
#define PXA27X_CKEN(dev_id, con_id, parents, mult_hp, div_hp, \
bit, is_lp, flags) \
PXA_CKEN(dev_id, con_id, bit, parents, 1, 1, mult_hp, div_hp, \
- is_lp, &CKEN, CKEN_ ## bit, flags)
+ is_lp, CKEN, CKEN_ ## bit, flags)
#define PXA27X_PBUS_CKEN(dev_id, con_id, bit, mult_hp, div_hp, delay) \
PXA27X_CKEN(dev_id, con_id, pxa27x_pbus_parents, mult_hp, \
div_hp, bit, pxa27x_is_ppll_disabled, 0)
@@ -106,10 +106,10 @@ PARENTS(pxa27x_membus) = { "lcd_base", "lcd_base" };
#define PXA27X_CKEN_1RATE(dev_id, con_id, bit, parents, delay) \
PXA_CKEN_1RATE(dev_id, con_id, bit, parents, \
- &CKEN, CKEN_ ## bit, 0)
+ CKEN, CKEN_ ## bit, 0)
#define PXA27X_CKEN_1RATE_AO(dev_id, con_id, bit, parents, delay) \
PXA_CKEN_1RATE(dev_id, con_id, bit, parents, \
- &CKEN, CKEN_ ## bit, CLK_IGNORE_UNUSED)
+ CKEN, CKEN_ ## bit, CLK_IGNORE_UNUSED)
static struct desc_clk_cken pxa27x_clocks[] __initdata = {
PXA27X_PBUS_CKEN("pxa2xx-uart.0", NULL, FFUART, 2, 42, 1),
@@ -151,7 +151,7 @@ static unsigned long clk_pxa27x_cpll_get_rate(struct clk_hw *hw,
unsigned long clkcfg;
unsigned int t, ht;
unsigned int l, L, n2, N;
- unsigned long ccsr = CCSR;
+ unsigned long ccsr = readl(CCSR);
asm("mrc\tp14, 0, %0, c6, c0, 0" : "=r" (clkcfg));
t = clkcfg & (1 << 0);
@@ -171,8 +171,8 @@ static unsigned long clk_pxa27x_lcd_base_get_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
unsigned int l, osc_forced;
- unsigned long ccsr = CCSR;
- unsigned long cccr = CCCR;
+ unsigned long ccsr = readl(CCSR);
+ unsigned long cccr = readl(CCCR);
l = ccsr & CCSR_L_MASK;
osc_forced = ccsr & (1 << CCCR_CPDIS_BIT);
@@ -193,7 +193,7 @@ static unsigned long clk_pxa27x_lcd_base_get_rate(struct clk_hw *hw,
static u8 clk_pxa27x_lcd_base_get_parent(struct clk_hw *hw)
{
unsigned int osc_forced;
- unsigned long ccsr = CCSR;
+ unsigned long ccsr = readl(CCSR);
osc_forced = ccsr & (1 << CCCR_CPDIS_BIT);
if (osc_forced)
@@ -208,12 +208,12 @@ MUX_RO_RATE_RO_OPS(clk_pxa27x_lcd_base, "lcd_base");
static void __init pxa27x_register_plls(void)
{
clk_register_fixed_rate(NULL, "osc_13mhz", NULL,
- CLK_GET_RATE_NOCACHE | CLK_IS_ROOT,
+ CLK_GET_RATE_NOCACHE,
13 * MHz);
clk_register_fixed_rate(NULL, "osc_32_768khz", NULL,
- CLK_GET_RATE_NOCACHE | CLK_IS_ROOT,
+ CLK_GET_RATE_NOCACHE,
32768 * KHz);
- clk_register_fixed_rate(NULL, "clk_dummy", NULL, CLK_IS_ROOT, 0);
+ clk_register_fixed_rate(NULL, "clk_dummy", NULL, 0, 0);
clk_register_fixed_factor(NULL, "ppll_312mhz", "osc_13mhz", 0, 24, 1);
}
@@ -222,7 +222,7 @@ static unsigned long clk_pxa27x_core_get_rate(struct clk_hw *hw,
{
unsigned long clkcfg;
unsigned int t, ht, b, osc_forced;
- unsigned long ccsr = CCSR;
+ unsigned long ccsr = readl(CCSR);
osc_forced = ccsr & (1 << CCCR_CPDIS_BIT);
asm("mrc\tp14, 0, %0, c6, c0, 0" : "=r" (clkcfg));
@@ -242,7 +242,7 @@ static u8 clk_pxa27x_core_get_parent(struct clk_hw *hw)
{
unsigned long clkcfg;
unsigned int t, ht, b, osc_forced;
- unsigned long ccsr = CCSR;
+ unsigned long ccsr = readl(CCSR);
osc_forced = ccsr & (1 << CCCR_CPDIS_BIT);
if (osc_forced)
@@ -263,7 +263,7 @@ MUX_RO_RATE_RO_OPS(clk_pxa27x_core, "core");
static unsigned long clk_pxa27x_run_get_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
- unsigned long ccsr = CCSR;
+ unsigned long ccsr = readl(CCSR);
unsigned int n2 = (ccsr & CCSR_N2_MASK) >> CCSR_N2_SHIFT;
return (parent_rate / n2) * 2;
@@ -285,7 +285,7 @@ static unsigned long clk_pxa27x_system_bus_get_rate(struct clk_hw *hw,
{
unsigned long clkcfg;
unsigned int b, osc_forced;
- unsigned long ccsr = CCSR;
+ unsigned long ccsr = readl(CCSR);
osc_forced = ccsr & (1 << CCCR_CPDIS_BIT);
asm("mrc\tp14, 0, %0, c6, c0, 0" : "=r" (clkcfg));
@@ -302,7 +302,7 @@ static unsigned long clk_pxa27x_system_bus_get_rate(struct clk_hw *hw,
static u8 clk_pxa27x_system_bus_get_parent(struct clk_hw *hw)
{
unsigned int osc_forced;
- unsigned long ccsr = CCSR;
+ unsigned long ccsr = readl(CCSR);
osc_forced = ccsr & (1 << CCCR_CPDIS_BIT);
if (osc_forced)
@@ -318,8 +318,8 @@ static unsigned long clk_pxa27x_memory_get_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
unsigned int a, l, osc_forced;
- unsigned long cccr = CCCR;
- unsigned long ccsr = CCSR;
+ unsigned long cccr = readl(CCCR);
+ unsigned long ccsr = readl(CCSR);
osc_forced = ccsr & (1 << CCCR_CPDIS_BIT);
a = cccr & (1 << CCCR_A_BIT);
@@ -337,8 +337,8 @@ static unsigned long clk_pxa27x_memory_get_rate(struct clk_hw *hw,
static u8 clk_pxa27x_memory_get_parent(struct clk_hw *hw)
{
unsigned int osc_forced, a;
- unsigned long cccr = CCCR;
- unsigned long ccsr = CCSR;
+ unsigned long cccr = readl(CCCR);
+ unsigned long ccsr = readl(CCSR);
osc_forced = ccsr & (1 << CCCR_CPDIS_BIT);
a = cccr & (1 << CCCR_A_BIT);
diff --git a/drivers/clk/pxa/clk-pxa3xx.c b/drivers/clk/pxa/clk-pxa3xx.c
index 4af4eed5f89f..42bdaa772be0 100644
--- a/drivers/clk/pxa/clk-pxa3xx.c
+++ b/drivers/clk/pxa/clk-pxa3xx.c
@@ -284,15 +284,15 @@ static void __init pxa3xx_register_core(void)
static void __init pxa3xx_register_plls(void)
{
clk_register_fixed_rate(NULL, "osc_13mhz", NULL,
- CLK_GET_RATE_NOCACHE | CLK_IS_ROOT,
+ CLK_GET_RATE_NOCACHE,
13 * MHz);
clk_register_fixed_rate(NULL, "osc_32_768khz", NULL,
- CLK_GET_RATE_NOCACHE | CLK_IS_ROOT,
+ CLK_GET_RATE_NOCACHE,
32768);
clk_register_fixed_rate(NULL, "ring_osc_120mhz", NULL,
- CLK_GET_RATE_NOCACHE | CLK_IS_ROOT,
+ CLK_GET_RATE_NOCACHE,
120 * MHz);
- clk_register_fixed_rate(NULL, "clk_dummy", NULL, CLK_IS_ROOT, 0);
+ clk_register_fixed_rate(NULL, "clk_dummy", NULL, 0, 0);
clk_register_fixed_factor(NULL, "spll_624mhz", "osc_13mhz", 0, 48, 1);
clk_register_fixed_factor(NULL, "ring_osc_60mhz", "ring_osc_120mhz",
0, 1, 2);
@@ -334,8 +334,7 @@ static void __init pxa3xx_base_clocks_init(void)
clk_register_clk_pxa3xx_system_bus();
clk_register_clk_pxa3xx_ac97();
clk_register_clk_pxa3xx_smemc();
- clk_register_gate(NULL, "CLK_POUT", "osc_13mhz", 0,
- (void __iomem *)&OSCC, 11, 0, NULL);
+ clk_register_gate(NULL, "CLK_POUT", "osc_13mhz", 0, OSCC, 11, 0, NULL);
clkdev_pxa_register(CLK_OSTIMER, "OSTIMER0", NULL,
clk_register_fixed_factor(NULL, "os-timer0",
"osc_13mhz", 0, 1, 4));
diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
index b552eceec2be..95e3b3e0fa1c 100644
--- a/drivers/clk/qcom/Kconfig
+++ b/drivers/clk/qcom/Kconfig
@@ -28,6 +28,14 @@ config APQ_MMCC_8084
Say Y if you want to support multimedia devices such as display,
graphics, video encode/decode, camera, etc.
+config IPQ_GCC_4019
+ tristate "IPQ4019 Global Clock Controller"
+ depends on COMMON_CLK_QCOM
+ help
+ Support for the global clock controller on ipq4019 devices.
+ Say Y if you want to use peripheral devices such as UART, SPI,
+ i2c, USB, SD/eMMC, etc.
+
config IPQ_GCC_806X
tristate "IPQ806x Global Clock Controller"
depends on COMMON_CLK_QCOM
diff --git a/drivers/clk/qcom/Makefile b/drivers/clk/qcom/Makefile
index dc4280b85db1..2a25f4e75f49 100644
--- a/drivers/clk/qcom/Makefile
+++ b/drivers/clk/qcom/Makefile
@@ -14,6 +14,7 @@ clk-qcom-$(CONFIG_QCOM_GDSC) += gdsc.o
obj-$(CONFIG_APQ_GCC_8084) += gcc-apq8084.o
obj-$(CONFIG_APQ_MMCC_8084) += mmcc-apq8084.o
+obj-$(CONFIG_IPQ_GCC_4019) += gcc-ipq4019.o
obj-$(CONFIG_IPQ_GCC_806X) += gcc-ipq806x.o
obj-$(CONFIG_IPQ_LCC_806X) += lcc-ipq806x.o
obj-$(CONFIG_MSM_GCC_8660) += gcc-msm8660.o
diff --git a/drivers/clk/qcom/clk-rcg.c b/drivers/clk/qcom/clk-rcg.c
index bfbb28f450c2..67ce7c146a6a 100644
--- a/drivers/clk/qcom/clk-rcg.c
+++ b/drivers/clk/qcom/clk-rcg.c
@@ -638,7 +638,6 @@ static int clk_rcg_pixel_set_rate(struct clk_hw *hw, unsigned long rate,
return ret;
src = ns_to_src(&rcg->s, ns);
- f.pre_div = ns_to_pre_div(&rcg->p, ns) + 1;
for (i = 0; i < num_parents; i++) {
if (src == rcg->s.parent_map[i].cfg) {
@@ -647,6 +646,9 @@ static int clk_rcg_pixel_set_rate(struct clk_hw *hw, unsigned long rate,
}
}
+ /* bypass the pre divider */
+ f.pre_div = 1;
+
/* let us find appropriate m/n values for this */
for (; frac->num; frac++) {
request = (rate * frac->den) / frac->num;
diff --git a/drivers/clk/qcom/common.c b/drivers/clk/qcom/common.c
index c112ebaba70d..f7c226ab4307 100644
--- a/drivers/clk/qcom/common.c
+++ b/drivers/clk/qcom/common.c
@@ -119,7 +119,6 @@ static int _qcom_cc_register_board_clk(struct device *dev, const char *path,
fixed->hw.init = &init_data;
init_data.name = path;
- init_data.flags = CLK_IS_ROOT;
init_data.ops = &clk_fixed_rate_ops;
clk = devm_clk_register(dev, &fixed->hw);
@@ -185,6 +184,7 @@ int qcom_cc_really_probe(struct platform_device *pdev,
struct clk **clks;
struct qcom_reset_controller *reset;
struct qcom_cc *cc;
+ struct gdsc_desc *scd;
size_t num_clks = desc->num_clks;
struct clk_regmap **rclks = desc->clks;
@@ -213,7 +213,11 @@ int qcom_cc_really_probe(struct platform_device *pdev,
if (ret)
return ret;
- devm_add_action(dev, qcom_cc_del_clk_provider, pdev->dev.of_node);
+ ret = devm_add_action_or_reset(dev, qcom_cc_del_clk_provider,
+ pdev->dev.of_node);
+
+ if (ret)
+ return ret;
reset = &cc->reset;
reset->rcdev.of_node = dev->of_node;
@@ -227,18 +231,28 @@ int qcom_cc_really_probe(struct platform_device *pdev,
if (ret)
return ret;
- devm_add_action(dev, qcom_cc_reset_unregister, &reset->rcdev);
+ ret = devm_add_action_or_reset(dev, qcom_cc_reset_unregister,
+ &reset->rcdev);
+
+ if (ret)
+ return ret;
if (desc->gdscs && desc->num_gdscs) {
- ret = gdsc_register(dev, desc->gdscs, desc->num_gdscs,
- &reset->rcdev, regmap);
+ scd = devm_kzalloc(dev, sizeof(*scd), GFP_KERNEL);
+ if (!scd)
+ return -ENOMEM;
+ scd->dev = dev;
+ scd->scs = desc->gdscs;
+ scd->num = desc->num_gdscs;
+ ret = gdsc_register(scd, &reset->rcdev, regmap);
+ if (ret)
+ return ret;
+ ret = devm_add_action_or_reset(dev, qcom_cc_gdsc_unregister,
+ scd);
if (ret)
return ret;
}
- devm_add_action(dev, qcom_cc_gdsc_unregister, dev);
-
-
return 0;
}
EXPORT_SYMBOL_GPL(qcom_cc_really_probe);
diff --git a/drivers/clk/qcom/gcc-ipq4019.c b/drivers/clk/qcom/gcc-ipq4019.c
new file mode 100644
index 000000000000..5428efb9fbf5
--- /dev/null
+++ b/drivers/clk/qcom/gcc-ipq4019.c
@@ -0,0 +1,1354 @@
+/*
+ * Copyright (c) 2015 The Linux Foundation. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/kernel.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/clk-provider.h>
+#include <linux/regmap.h>
+#include <linux/reset-controller.h>
+
+#include <dt-bindings/clock/qcom,gcc-ipq4019.h>
+
+#include "common.h"
+#include "clk-regmap.h"
+#include "clk-rcg.h"
+#include "clk-branch.h"
+#include "reset.h"
+
+enum {
+ P_XO,
+ P_FEPLL200,
+ P_FEPLL500,
+ P_DDRPLL,
+ P_FEPLLWCSS2G,
+ P_FEPLLWCSS5G,
+ P_FEPLL125DLY,
+ P_DDRPLLAPSS,
+};
+
+static struct parent_map gcc_xo_200_500_map[] = {
+ { P_XO, 0 },
+ { P_FEPLL200, 1 },
+ { P_FEPLL500, 2 },
+};
+
+static const char * const gcc_xo_200_500[] = {
+ "xo",
+ "fepll200",
+ "fepll500",
+};
+
+static struct parent_map gcc_xo_200_map[] = {
+ { P_XO, 0 },
+ { P_FEPLL200, 1 },
+};
+
+static const char * const gcc_xo_200[] = {
+ "xo",
+ "fepll200",
+};
+
+static struct parent_map gcc_xo_200_spi_map[] = {
+ { P_XO, 0 },
+ { P_FEPLL200, 2 },
+};
+
+static const char * const gcc_xo_200_spi[] = {
+ "xo",
+ "fepll200",
+};
+
+static struct parent_map gcc_xo_sdcc1_500_map[] = {
+ { P_XO, 0 },
+ { P_DDRPLL, 1 },
+ { P_FEPLL500, 2 },
+};
+
+static const char * const gcc_xo_sdcc1_500[] = {
+ "xo",
+ "ddrpll",
+ "fepll500",
+};
+
+static struct parent_map gcc_xo_wcss2g_map[] = {
+ { P_XO, 0 },
+ { P_FEPLLWCSS2G, 1 },
+};
+
+static const char * const gcc_xo_wcss2g[] = {
+ "xo",
+ "fepllwcss2g",
+};
+
+static struct parent_map gcc_xo_wcss5g_map[] = {
+ { P_XO, 0 },
+ { P_FEPLLWCSS5G, 1 },
+};
+
+static const char * const gcc_xo_wcss5g[] = {
+ "xo",
+ "fepllwcss5g",
+};
+
+static struct parent_map gcc_xo_125_dly_map[] = {
+ { P_XO, 0 },
+ { P_FEPLL125DLY, 1 },
+};
+
+static const char * const gcc_xo_125_dly[] = {
+ "xo",
+ "fepll125dly",
+};
+
+static struct parent_map gcc_xo_ddr_500_200_map[] = {
+ { P_XO, 0 },
+ { P_FEPLL200, 3 },
+ { P_FEPLL500, 2 },
+ { P_DDRPLLAPSS, 1 },
+};
+
+static const char * const gcc_xo_ddr_500_200[] = {
+ "xo",
+ "fepll200",
+ "fepll500",
+ "ddrpllapss",
+};
+
+#define F(f, s, h, m, n) { (f), (s), (2 * (h) - 1), (m), (n) }
+#define P_XO 0
+#define FE_PLL_200 1
+#define FE_PLL_500 2
+#define DDRC_PLL_666 3
+
+#define DDRC_PLL_666_SDCC 1
+#define FE_PLL_125_DLY 1
+
+#define FE_PLL_WCSS2G 1
+#define FE_PLL_WCSS5G 1
+
+static const struct freq_tbl ftbl_gcc_audio_pwm_clk[] = {
+ F(48000000, P_XO, 1, 0, 0),
+ F(200000000, FE_PLL_200, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 audio_clk_src = {
+ .cmd_rcgr = 0x1b000,
+ .hid_width = 5,
+ .parent_map = gcc_xo_200_map,
+ .freq_tbl = ftbl_gcc_audio_pwm_clk,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "audio_clk_src",
+ .parent_names = gcc_xo_200,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+
+ },
+};
+
+static struct clk_branch gcc_audio_ahb_clk = {
+ .halt_reg = 0x1b010,
+ .clkr = {
+ .enable_reg = 0x1b010,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_audio_ahb_clk",
+ .parent_names = (const char *[]){
+ "pcnoc_clk_src",
+ },
+ .flags = CLK_SET_RATE_PARENT,
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_audio_pwm_clk = {
+ .halt_reg = 0x1b00C,
+ .clkr = {
+ .enable_reg = 0x1b00C,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_audio_pwm_clk",
+ .parent_names = (const char *[]){
+ "audio_clk_src",
+ },
+ .flags = CLK_SET_RATE_PARENT,
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static const struct freq_tbl ftbl_gcc_blsp1_qup1_2_i2c_apps_clk[] = {
+ F(19200000, P_XO, 1, 2, 5),
+ F(24000000, P_XO, 1, 1, 2),
+ { }
+};
+
+static struct clk_rcg2 blsp1_qup1_i2c_apps_clk_src = {
+ .cmd_rcgr = 0x200c,
+ .hid_width = 5,
+ .parent_map = gcc_xo_200_map,
+ .freq_tbl = ftbl_gcc_blsp1_qup1_2_i2c_apps_clk,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "blsp1_qup1_i2c_apps_clk_src",
+ .parent_names = gcc_xo_200,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_branch gcc_blsp1_qup1_i2c_apps_clk = {
+ .halt_reg = 0x2008,
+ .clkr = {
+ .enable_reg = 0x2008,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_blsp1_qup1_i2c_apps_clk",
+ .parent_names = (const char *[]){
+ "blsp1_qup1_i2c_apps_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static struct clk_rcg2 blsp1_qup2_i2c_apps_clk_src = {
+ .cmd_rcgr = 0x3000,
+ .hid_width = 5,
+ .parent_map = gcc_xo_200_map,
+ .freq_tbl = ftbl_gcc_blsp1_qup1_2_i2c_apps_clk,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "blsp1_qup2_i2c_apps_clk_src",
+ .parent_names = gcc_xo_200,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_branch gcc_blsp1_qup2_i2c_apps_clk = {
+ .halt_reg = 0x3010,
+ .clkr = {
+ .enable_reg = 0x3010,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_blsp1_qup2_i2c_apps_clk",
+ .parent_names = (const char *[]){
+ "blsp1_qup2_i2c_apps_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static const struct freq_tbl ftbl_gcc_blsp1_qup1_2_spi_apps_clk[] = {
+ F(960000, P_XO, 12, 1, 4),
+ F(4800000, P_XO, 1, 1, 10),
+ F(9600000, P_XO, 1, 1, 5),
+ F(15000000, P_XO, 1, 1, 3),
+ F(19200000, P_XO, 1, 2, 5),
+ F(24000000, P_XO, 1, 1, 2),
+ F(48000000, P_XO, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 blsp1_qup1_spi_apps_clk_src = {
+ .cmd_rcgr = 0x2024,
+ .mnd_width = 8,
+ .hid_width = 5,
+ .parent_map = gcc_xo_200_spi_map,
+ .freq_tbl = ftbl_gcc_blsp1_qup1_2_spi_apps_clk,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "blsp1_qup1_spi_apps_clk_src",
+ .parent_names = gcc_xo_200_spi,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_branch gcc_blsp1_qup1_spi_apps_clk = {
+ .halt_reg = 0x2004,
+ .clkr = {
+ .enable_reg = 0x2004,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_blsp1_qup1_spi_apps_clk",
+ .parent_names = (const char *[]){
+ "blsp1_qup1_spi_apps_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static struct clk_rcg2 blsp1_qup2_spi_apps_clk_src = {
+ .cmd_rcgr = 0x3014,
+ .mnd_width = 8,
+ .hid_width = 5,
+ .freq_tbl = ftbl_gcc_blsp1_qup1_2_spi_apps_clk,
+ .parent_map = gcc_xo_200_spi_map,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "blsp1_qup2_spi_apps_clk_src",
+ .parent_names = gcc_xo_200_spi,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_branch gcc_blsp1_qup2_spi_apps_clk = {
+ .halt_reg = 0x300c,
+ .clkr = {
+ .enable_reg = 0x300c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_blsp1_qup2_spi_apps_clk",
+ .parent_names = (const char *[]){
+ "blsp1_qup2_spi_apps_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static const struct freq_tbl ftbl_gcc_blsp1_uart1_2_apps_clk[] = {
+ F(1843200, FE_PLL_200, 1, 144, 15625),
+ F(3686400, FE_PLL_200, 1, 288, 15625),
+ F(7372800, FE_PLL_200, 1, 576, 15625),
+ F(14745600, FE_PLL_200, 1, 1152, 15625),
+ F(16000000, FE_PLL_200, 1, 2, 25),
+ F(24000000, P_XO, 1, 1, 2),
+ F(32000000, FE_PLL_200, 1, 4, 25),
+ F(40000000, FE_PLL_200, 1, 1, 5),
+ F(46400000, FE_PLL_200, 1, 29, 125),
+ F(48000000, P_XO, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 blsp1_uart1_apps_clk_src = {
+ .cmd_rcgr = 0x2044,
+ .mnd_width = 16,
+ .hid_width = 5,
+ .freq_tbl = ftbl_gcc_blsp1_uart1_2_apps_clk,
+ .parent_map = gcc_xo_200_spi_map,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "blsp1_uart1_apps_clk_src",
+ .parent_names = gcc_xo_200_spi,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_branch gcc_blsp1_uart1_apps_clk = {
+ .halt_reg = 0x203c,
+ .clkr = {
+ .enable_reg = 0x203c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_blsp1_uart1_apps_clk",
+ .parent_names = (const char *[]){
+ "blsp1_uart1_apps_clk_src",
+ },
+ .flags = CLK_SET_RATE_PARENT,
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_rcg2 blsp1_uart2_apps_clk_src = {
+ .cmd_rcgr = 0x3034,
+ .mnd_width = 16,
+ .hid_width = 5,
+ .freq_tbl = ftbl_gcc_blsp1_uart1_2_apps_clk,
+ .parent_map = gcc_xo_200_spi_map,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "blsp1_uart2_apps_clk_src",
+ .parent_names = gcc_xo_200_spi,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_branch gcc_blsp1_uart2_apps_clk = {
+ .halt_reg = 0x302c,
+ .clkr = {
+ .enable_reg = 0x302c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_blsp1_uart2_apps_clk",
+ .parent_names = (const char *[]){
+ "blsp1_uart2_apps_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static const struct freq_tbl ftbl_gcc_gp_clk[] = {
+ F(1250000, FE_PLL_200, 1, 16, 0),
+ F(2500000, FE_PLL_200, 1, 8, 0),
+ F(5000000, FE_PLL_200, 1, 4, 0),
+ { }
+};
+
+static struct clk_rcg2 gp1_clk_src = {
+ .cmd_rcgr = 0x8004,
+ .mnd_width = 8,
+ .hid_width = 5,
+ .freq_tbl = ftbl_gcc_gp_clk,
+ .parent_map = gcc_xo_200_map,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "gp1_clk_src",
+ .parent_names = gcc_xo_200,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_branch gcc_gp1_clk = {
+ .halt_reg = 0x8000,
+ .clkr = {
+ .enable_reg = 0x8000,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_gp1_clk",
+ .parent_names = (const char *[]){
+ "gp1_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static struct clk_rcg2 gp2_clk_src = {
+ .cmd_rcgr = 0x9004,
+ .mnd_width = 8,
+ .hid_width = 5,
+ .freq_tbl = ftbl_gcc_gp_clk,
+ .parent_map = gcc_xo_200_map,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "gp2_clk_src",
+ .parent_names = gcc_xo_200,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_branch gcc_gp2_clk = {
+ .halt_reg = 0x9000,
+ .clkr = {
+ .enable_reg = 0x9000,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_gp2_clk",
+ .parent_names = (const char *[]){
+ "gp2_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static struct clk_rcg2 gp3_clk_src = {
+ .cmd_rcgr = 0xa004,
+ .mnd_width = 8,
+ .hid_width = 5,
+ .freq_tbl = ftbl_gcc_gp_clk,
+ .parent_map = gcc_xo_200_map,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "gp3_clk_src",
+ .parent_names = gcc_xo_200,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_branch gcc_gp3_clk = {
+ .halt_reg = 0xa000,
+ .clkr = {
+ .enable_reg = 0xa000,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_gp3_clk",
+ .parent_names = (const char *[]){
+ "gp3_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static const struct freq_tbl ftbl_gcc_sdcc1_apps_clk[] = {
+ F(144000, P_XO, 1, 3, 240),
+ F(400000, P_XO, 1, 1, 0),
+ F(20000000, FE_PLL_500, 1, 1, 25),
+ F(25000000, FE_PLL_500, 1, 1, 20),
+ F(50000000, FE_PLL_500, 1, 1, 10),
+ F(100000000, FE_PLL_500, 1, 1, 5),
+ F(193000000, DDRC_PLL_666_SDCC, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 sdcc1_apps_clk_src = {
+ .cmd_rcgr = 0x18004,
+ .hid_width = 5,
+ .freq_tbl = ftbl_gcc_sdcc1_apps_clk,
+ .parent_map = gcc_xo_sdcc1_500_map,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "sdcc1_apps_clk_src",
+ .parent_names = gcc_xo_sdcc1_500,
+ .num_parents = 3,
+ .ops = &clk_rcg2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static const struct freq_tbl ftbl_gcc_apps_clk[] = {
+ F(48000000, P_XO, 1, 0, 0),
+ F(200000000, FE_PLL_200, 1, 0, 0),
+ F(500000000, FE_PLL_500, 1, 0, 0),
+ F(626000000, DDRC_PLL_666, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 apps_clk_src = {
+ .cmd_rcgr = 0x1900c,
+ .hid_width = 5,
+ .freq_tbl = ftbl_gcc_apps_clk,
+ .parent_map = gcc_xo_ddr_500_200_map,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "apps_clk_src",
+ .parent_names = gcc_xo_ddr_500_200,
+ .num_parents = 4,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static const struct freq_tbl ftbl_gcc_apps_ahb_clk[] = {
+ F(48000000, P_XO, 1, 0, 0),
+ F(100000000, FE_PLL_200, 2, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 apps_ahb_clk_src = {
+ .cmd_rcgr = 0x19014,
+ .hid_width = 5,
+ .parent_map = gcc_xo_200_500_map,
+ .freq_tbl = ftbl_gcc_apps_ahb_clk,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "apps_ahb_clk_src",
+ .parent_names = gcc_xo_200_500,
+ .num_parents = 3,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_branch gcc_apss_ahb_clk = {
+ .halt_reg = 0x19004,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x6000,
+ .enable_mask = BIT(14),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_apss_ahb_clk",
+ .parent_names = (const char *[]){
+ "apps_ahb_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static struct clk_branch gcc_blsp1_ahb_clk = {
+ .halt_reg = 0x1008,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x6000,
+ .enable_mask = BIT(10),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_blsp1_ahb_clk",
+ .parent_names = (const char *[]){
+ "pcnoc_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_dcd_xo_clk = {
+ .halt_reg = 0x2103c,
+ .clkr = {
+ .enable_reg = 0x2103c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_dcd_xo_clk",
+ .parent_names = (const char *[]){
+ "xo",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_boot_rom_ahb_clk = {
+ .halt_reg = 0x1300c,
+ .clkr = {
+ .enable_reg = 0x1300c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_boot_rom_ahb_clk",
+ .parent_names = (const char *[]){
+ "pcnoc_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static struct clk_branch gcc_crypto_ahb_clk = {
+ .halt_reg = 0x16024,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x6000,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_crypto_ahb_clk",
+ .parent_names = (const char *[]){
+ "pcnoc_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_crypto_axi_clk = {
+ .halt_reg = 0x16020,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x6000,
+ .enable_mask = BIT(1),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_crypto_axi_clk",
+ .parent_names = (const char *[]){
+ "fepll125",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_crypto_clk = {
+ .halt_reg = 0x1601c,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x6000,
+ .enable_mask = BIT(2),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_crypto_clk",
+ .parent_names = (const char *[]){
+ "fepll125",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_ess_clk = {
+ .halt_reg = 0x12010,
+ .clkr = {
+ .enable_reg = 0x12010,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_ess_clk",
+ .parent_names = (const char *[]){
+ "fephy_125m_dly_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static struct clk_branch gcc_imem_axi_clk = {
+ .halt_reg = 0xe004,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x6000,
+ .enable_mask = BIT(17),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_imem_axi_clk",
+ .parent_names = (const char *[]){
+ "fepll200",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_imem_cfg_ahb_clk = {
+ .halt_reg = 0xe008,
+ .clkr = {
+ .enable_reg = 0xe008,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_imem_cfg_ahb_clk",
+ .parent_names = (const char *[]){
+ "pcnoc_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_pcie_ahb_clk = {
+ .halt_reg = 0x1d00c,
+ .clkr = {
+ .enable_reg = 0x1d00c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_pcie_ahb_clk",
+ .parent_names = (const char *[]){
+ "pcnoc_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_pcie_axi_m_clk = {
+ .halt_reg = 0x1d004,
+ .clkr = {
+ .enable_reg = 0x1d004,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_pcie_axi_m_clk",
+ .parent_names = (const char *[]){
+ "fepll200",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_pcie_axi_s_clk = {
+ .halt_reg = 0x1d008,
+ .clkr = {
+ .enable_reg = 0x1d008,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_pcie_axi_s_clk",
+ .parent_names = (const char *[]){
+ "fepll200",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_prng_ahb_clk = {
+ .halt_reg = 0x13004,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x6000,
+ .enable_mask = BIT(8),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_prng_ahb_clk",
+ .parent_names = (const char *[]){
+ "pcnoc_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_qpic_ahb_clk = {
+ .halt_reg = 0x1c008,
+ .clkr = {
+ .enable_reg = 0x1c008,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_qpic_ahb_clk",
+ .parent_names = (const char *[]){
+ "pcnoc_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_qpic_clk = {
+ .halt_reg = 0x1c004,
+ .clkr = {
+ .enable_reg = 0x1c004,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_qpic_clk",
+ .parent_names = (const char *[]){
+ "pcnoc_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_sdcc1_ahb_clk = {
+ .halt_reg = 0x18010,
+ .clkr = {
+ .enable_reg = 0x18010,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_sdcc1_ahb_clk",
+ .parent_names = (const char *[]){
+ "pcnoc_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_sdcc1_apps_clk = {
+ .halt_reg = 0x1800c,
+ .clkr = {
+ .enable_reg = 0x1800c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_sdcc1_apps_clk",
+ .parent_names = (const char *[]){
+ "sdcc1_apps_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static struct clk_branch gcc_tlmm_ahb_clk = {
+ .halt_reg = 0x5004,
+ .halt_check = BRANCH_HALT_VOTED,
+ .clkr = {
+ .enable_reg = 0x6000,
+ .enable_mask = BIT(5),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_tlmm_ahb_clk",
+ .parent_names = (const char *[]){
+ "pcnoc_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_usb2_master_clk = {
+ .halt_reg = 0x1e00c,
+ .clkr = {
+ .enable_reg = 0x1e00c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_usb2_master_clk",
+ .parent_names = (const char *[]){
+ "pcnoc_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_usb2_sleep_clk = {
+ .halt_reg = 0x1e010,
+ .clkr = {
+ .enable_reg = 0x1e010,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_usb2_sleep_clk",
+ .parent_names = (const char *[]){
+ "gcc_sleep_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_usb2_mock_utmi_clk = {
+ .halt_reg = 0x1e014,
+ .clkr = {
+ .enable_reg = 0x1e014,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_usb2_mock_utmi_clk",
+ .parent_names = (const char *[]){
+ "usb30_mock_utmi_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static const struct freq_tbl ftbl_gcc_usb30_mock_utmi_clk[] = {
+ F(2000000, FE_PLL_200, 10, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 usb30_mock_utmi_clk_src = {
+ .cmd_rcgr = 0x1e000,
+ .hid_width = 5,
+ .parent_map = gcc_xo_200_map,
+ .freq_tbl = ftbl_gcc_usb30_mock_utmi_clk,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "usb30_mock_utmi_clk_src",
+ .parent_names = gcc_xo_200,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_branch gcc_usb3_master_clk = {
+ .halt_reg = 0x1e028,
+ .clkr = {
+ .enable_reg = 0x1e028,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_usb3_master_clk",
+ .parent_names = (const char *[]){
+ "fepll125",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_usb3_sleep_clk = {
+ .halt_reg = 0x1e02C,
+ .clkr = {
+ .enable_reg = 0x1e02C,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_usb3_sleep_clk",
+ .parent_names = (const char *[]){
+ "gcc_sleep_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static struct clk_branch gcc_usb3_mock_utmi_clk = {
+ .halt_reg = 0x1e030,
+ .clkr = {
+ .enable_reg = 0x1e030,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_usb3_mock_utmi_clk",
+ .parent_names = (const char *[]){
+ "usb30_mock_utmi_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static const struct freq_tbl ftbl_gcc_fephy_dly_clk[] = {
+ F(125000000, FE_PLL_125_DLY, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 fephy_125m_dly_clk_src = {
+ .cmd_rcgr = 0x12000,
+ .hid_width = 5,
+ .parent_map = gcc_xo_125_dly_map,
+ .freq_tbl = ftbl_gcc_fephy_dly_clk,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "fephy_125m_dly_clk_src",
+ .parent_names = gcc_xo_125_dly,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+
+static const struct freq_tbl ftbl_gcc_wcss2g_clk[] = {
+ F(48000000, P_XO, 1, 0, 0),
+ F(250000000, FE_PLL_WCSS2G, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 wcss2g_clk_src = {
+ .cmd_rcgr = 0x1f000,
+ .hid_width = 5,
+ .freq_tbl = ftbl_gcc_wcss2g_clk,
+ .parent_map = gcc_xo_wcss2g_map,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "wcss2g_clk_src",
+ .parent_names = gcc_xo_wcss2g,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+};
+
+static struct clk_branch gcc_wcss2g_clk = {
+ .halt_reg = 0x1f00C,
+ .clkr = {
+ .enable_reg = 0x1f00C,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_wcss2g_clk",
+ .parent_names = (const char *[]){
+ "wcss2g_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static struct clk_branch gcc_wcss2g_ref_clk = {
+ .halt_reg = 0x1f00C,
+ .clkr = {
+ .enable_reg = 0x1f00C,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_wcss2g_ref_clk",
+ .parent_names = (const char *[]){
+ "xo",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static struct clk_branch gcc_wcss2g_rtc_clk = {
+ .halt_reg = 0x1f010,
+ .clkr = {
+ .enable_reg = 0x1f010,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_wcss2g_rtc_clk",
+ .parent_names = (const char *[]){
+ "gcc_sleep_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
+static const struct freq_tbl ftbl_gcc_wcss5g_clk[] = {
+ F(48000000, P_XO, 1, 0, 0),
+ F(250000000, FE_PLL_WCSS5G, 1, 0, 0),
+ { }
+};
+
+static struct clk_rcg2 wcss5g_clk_src = {
+ .cmd_rcgr = 0x20000,
+ .hid_width = 5,
+ .parent_map = gcc_xo_wcss5g_map,
+ .freq_tbl = ftbl_gcc_wcss5g_clk,
+ .clkr.hw.init = &(struct clk_init_data){
+ .name = "wcss5g_clk_src",
+ .parent_names = gcc_xo_wcss5g,
+ .num_parents = 2,
+ .ops = &clk_rcg2_ops,
+ },
+};
+
+static struct clk_branch gcc_wcss5g_clk = {
+ .halt_reg = 0x2000c,
+ .clkr = {
+ .enable_reg = 0x2000c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_wcss5g_clk",
+ .parent_names = (const char *[]){
+ "wcss5g_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static struct clk_branch gcc_wcss5g_ref_clk = {
+ .halt_reg = 0x2000c,
+ .clkr = {
+ .enable_reg = 0x2000c,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_wcss5g_ref_clk",
+ .parent_names = (const char *[]){
+ "xo",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static struct clk_branch gcc_wcss5g_rtc_clk = {
+ .halt_reg = 0x20010,
+ .clkr = {
+ .enable_reg = 0x20010,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_wcss5g_rtc_clk",
+ .parent_names = (const char *[]){
+ "gcc_sleep_clk_src",
+ },
+ .num_parents = 1,
+ .ops = &clk_branch2_ops,
+ .flags = CLK_SET_RATE_PARENT,
+ },
+ },
+};
+
+static struct clk_regmap *gcc_ipq4019_clocks[] = {
+ [AUDIO_CLK_SRC] = &audio_clk_src.clkr,
+ [BLSP1_QUP1_I2C_APPS_CLK_SRC] = &blsp1_qup1_i2c_apps_clk_src.clkr,
+ [BLSP1_QUP1_SPI_APPS_CLK_SRC] = &blsp1_qup1_spi_apps_clk_src.clkr,
+ [BLSP1_QUP2_I2C_APPS_CLK_SRC] = &blsp1_qup2_i2c_apps_clk_src.clkr,
+ [BLSP1_QUP2_SPI_APPS_CLK_SRC] = &blsp1_qup2_spi_apps_clk_src.clkr,
+ [BLSP1_UART1_APPS_CLK_SRC] = &blsp1_uart1_apps_clk_src.clkr,
+ [BLSP1_UART2_APPS_CLK_SRC] = &blsp1_uart2_apps_clk_src.clkr,
+ [GCC_USB3_MOCK_UTMI_CLK_SRC] = &usb30_mock_utmi_clk_src.clkr,
+ [GCC_APPS_CLK_SRC] = &apps_clk_src.clkr,
+ [GCC_APPS_AHB_CLK_SRC] = &apps_ahb_clk_src.clkr,
+ [GP1_CLK_SRC] = &gp1_clk_src.clkr,
+ [GP2_CLK_SRC] = &gp2_clk_src.clkr,
+ [GP3_CLK_SRC] = &gp3_clk_src.clkr,
+ [SDCC1_APPS_CLK_SRC] = &sdcc1_apps_clk_src.clkr,
+ [FEPHY_125M_DLY_CLK_SRC] = &fephy_125m_dly_clk_src.clkr,
+ [WCSS2G_CLK_SRC] = &wcss2g_clk_src.clkr,
+ [WCSS5G_CLK_SRC] = &wcss5g_clk_src.clkr,
+ [GCC_APSS_AHB_CLK] = &gcc_apss_ahb_clk.clkr,
+ [GCC_AUDIO_AHB_CLK] = &gcc_audio_ahb_clk.clkr,
+ [GCC_AUDIO_PWM_CLK] = &gcc_audio_pwm_clk.clkr,
+ [GCC_BLSP1_AHB_CLK] = &gcc_blsp1_ahb_clk.clkr,
+ [GCC_BLSP1_QUP1_I2C_APPS_CLK] = &gcc_blsp1_qup1_i2c_apps_clk.clkr,
+ [GCC_BLSP1_QUP1_SPI_APPS_CLK] = &gcc_blsp1_qup1_spi_apps_clk.clkr,
+ [GCC_BLSP1_QUP2_I2C_APPS_CLK] = &gcc_blsp1_qup2_i2c_apps_clk.clkr,
+ [GCC_BLSP1_QUP2_SPI_APPS_CLK] = &gcc_blsp1_qup2_spi_apps_clk.clkr,
+ [GCC_BLSP1_UART1_APPS_CLK] = &gcc_blsp1_uart1_apps_clk.clkr,
+ [GCC_BLSP1_UART2_APPS_CLK] = &gcc_blsp1_uart2_apps_clk.clkr,
+ [GCC_DCD_XO_CLK] = &gcc_dcd_xo_clk.clkr,
+ [GCC_GP1_CLK] = &gcc_gp1_clk.clkr,
+ [GCC_GP2_CLK] = &gcc_gp2_clk.clkr,
+ [GCC_GP3_CLK] = &gcc_gp3_clk.clkr,
+ [GCC_BOOT_ROM_AHB_CLK] = &gcc_boot_rom_ahb_clk.clkr,
+ [GCC_CRYPTO_AHB_CLK] = &gcc_crypto_ahb_clk.clkr,
+ [GCC_CRYPTO_AXI_CLK] = &gcc_crypto_axi_clk.clkr,
+ [GCC_CRYPTO_CLK] = &gcc_crypto_clk.clkr,
+ [GCC_ESS_CLK] = &gcc_ess_clk.clkr,
+ [GCC_IMEM_AXI_CLK] = &gcc_imem_axi_clk.clkr,
+ [GCC_IMEM_CFG_AHB_CLK] = &gcc_imem_cfg_ahb_clk.clkr,
+ [GCC_PCIE_AHB_CLK] = &gcc_pcie_ahb_clk.clkr,
+ [GCC_PCIE_AXI_M_CLK] = &gcc_pcie_axi_m_clk.clkr,
+ [GCC_PCIE_AXI_S_CLK] = &gcc_pcie_axi_s_clk.clkr,
+ [GCC_PRNG_AHB_CLK] = &gcc_prng_ahb_clk.clkr,
+ [GCC_QPIC_AHB_CLK] = &gcc_qpic_ahb_clk.clkr,
+ [GCC_QPIC_CLK] = &gcc_qpic_clk.clkr,
+ [GCC_SDCC1_AHB_CLK] = &gcc_sdcc1_ahb_clk.clkr,
+ [GCC_SDCC1_APPS_CLK] = &gcc_sdcc1_apps_clk.clkr,
+ [GCC_TLMM_AHB_CLK] = &gcc_tlmm_ahb_clk.clkr,
+ [GCC_USB2_MASTER_CLK] = &gcc_usb2_master_clk.clkr,
+ [GCC_USB2_SLEEP_CLK] = &gcc_usb2_sleep_clk.clkr,
+ [GCC_USB2_MOCK_UTMI_CLK] = &gcc_usb2_mock_utmi_clk.clkr,
+ [GCC_USB3_MASTER_CLK] = &gcc_usb3_master_clk.clkr,
+ [GCC_USB3_SLEEP_CLK] = &gcc_usb3_sleep_clk.clkr,
+ [GCC_USB3_MOCK_UTMI_CLK] = &gcc_usb3_mock_utmi_clk.clkr,
+ [GCC_WCSS2G_CLK] = &gcc_wcss2g_clk.clkr,
+ [GCC_WCSS2G_REF_CLK] = &gcc_wcss2g_ref_clk.clkr,
+ [GCC_WCSS2G_RTC_CLK] = &gcc_wcss2g_rtc_clk.clkr,
+ [GCC_WCSS5G_CLK] = &gcc_wcss5g_clk.clkr,
+ [GCC_WCSS5G_REF_CLK] = &gcc_wcss5g_ref_clk.clkr,
+ [GCC_WCSS5G_RTC_CLK] = &gcc_wcss5g_rtc_clk.clkr,
+};
+
+static const struct qcom_reset_map gcc_ipq4019_resets[] = {
+ [WIFI0_CPU_INIT_RESET] = { 0x1f008, 5 },
+ [WIFI0_RADIO_SRIF_RESET] = { 0x1f008, 4 },
+ [WIFI0_RADIO_WARM_RESET] = { 0x1f008, 3 },
+ [WIFI0_RADIO_COLD_RESET] = { 0x1f008, 2 },
+ [WIFI0_CORE_WARM_RESET] = { 0x1f008, 1 },
+ [WIFI0_CORE_COLD_RESET] = { 0x1f008, 0 },
+ [WIFI1_CPU_INIT_RESET] = { 0x20008, 5 },
+ [WIFI1_RADIO_SRIF_RESET] = { 0x20008, 4 },
+ [WIFI1_RADIO_WARM_RESET] = { 0x20008, 3 },
+ [WIFI1_RADIO_COLD_RESET] = { 0x20008, 2 },
+ [WIFI1_CORE_WARM_RESET] = { 0x20008, 1 },
+ [WIFI1_CORE_COLD_RESET] = { 0x20008, 0 },
+ [USB3_UNIPHY_PHY_ARES] = { 0x1e038, 5 },
+ [USB3_HSPHY_POR_ARES] = { 0x1e038, 4 },
+ [USB3_HSPHY_S_ARES] = { 0x1e038, 2 },
+ [USB2_HSPHY_POR_ARES] = { 0x1e01c, 4 },
+ [USB2_HSPHY_S_ARES] = { 0x1e01c, 2 },
+ [PCIE_PHY_AHB_ARES] = { 0x1d010, 11 },
+ [PCIE_AHB_ARES] = { 0x1d010, 10 },
+ [PCIE_PWR_ARES] = { 0x1d010, 9 },
+ [PCIE_PIPE_STICKY_ARES] = { 0x1d010, 8 },
+ [PCIE_AXI_M_STICKY_ARES] = { 0x1d010, 7 },
+ [PCIE_PHY_ARES] = { 0x1d010, 6 },
+ [PCIE_PARF_XPU_ARES] = { 0x1d010, 5 },
+ [PCIE_AXI_S_XPU_ARES] = { 0x1d010, 4 },
+ [PCIE_AXI_M_VMIDMT_ARES] = { 0x1d010, 3 },
+ [PCIE_PIPE_ARES] = { 0x1d010, 2 },
+ [PCIE_AXI_S_ARES] = { 0x1d010, 1 },
+ [PCIE_AXI_M_ARES] = { 0x1d010, 0 },
+ [ESS_RESET] = { 0x12008, 0},
+ [GCC_BLSP1_BCR] = {0x01000, 0},
+ [GCC_BLSP1_QUP1_BCR] = {0x02000, 0},
+ [GCC_BLSP1_UART1_BCR] = {0x02038, 0},
+ [GCC_BLSP1_QUP2_BCR] = {0x03008, 0},
+ [GCC_BLSP1_UART2_BCR] = {0x03028, 0},
+ [GCC_BIMC_BCR] = {0x04000, 0},
+ [GCC_TLMM_BCR] = {0x05000, 0},
+ [GCC_IMEM_BCR] = {0x0E000, 0},
+ [GCC_ESS_BCR] = {0x12008, 0},
+ [GCC_PRNG_BCR] = {0x13000, 0},
+ [GCC_BOOT_ROM_BCR] = {0x13008, 0},
+ [GCC_CRYPTO_BCR] = {0x16000, 0},
+ [GCC_SDCC1_BCR] = {0x18000, 0},
+ [GCC_SEC_CTRL_BCR] = {0x1A000, 0},
+ [GCC_AUDIO_BCR] = {0x1B008, 0},
+ [GCC_QPIC_BCR] = {0x1C000, 0},
+ [GCC_PCIE_BCR] = {0x1D000, 0},
+ [GCC_USB2_BCR] = {0x1E008, 0},
+ [GCC_USB2_PHY_BCR] = {0x1E018, 0},
+ [GCC_USB3_BCR] = {0x1E024, 0},
+ [GCC_USB3_PHY_BCR] = {0x1E034, 0},
+ [GCC_SYSTEM_NOC_BCR] = {0x21000, 0},
+ [GCC_PCNOC_BCR] = {0x2102C, 0},
+ [GCC_DCD_BCR] = {0x21038, 0},
+ [GCC_SNOC_BUS_TIMEOUT0_BCR] = {0x21064, 0},
+ [GCC_SNOC_BUS_TIMEOUT1_BCR] = {0x2106C, 0},
+ [GCC_SNOC_BUS_TIMEOUT2_BCR] = {0x21074, 0},
+ [GCC_SNOC_BUS_TIMEOUT3_BCR] = {0x2107C, 0},
+ [GCC_PCNOC_BUS_TIMEOUT0_BCR] = {0x21084, 0},
+ [GCC_PCNOC_BUS_TIMEOUT1_BCR] = {0x2108C, 0},
+ [GCC_PCNOC_BUS_TIMEOUT2_BCR] = {0x21094, 0},
+ [GCC_PCNOC_BUS_TIMEOUT3_BCR] = {0x2109C, 0},
+ [GCC_PCNOC_BUS_TIMEOUT4_BCR] = {0x210A4, 0},
+ [GCC_PCNOC_BUS_TIMEOUT5_BCR] = {0x210AC, 0},
+ [GCC_PCNOC_BUS_TIMEOUT6_BCR] = {0x210B4, 0},
+ [GCC_PCNOC_BUS_TIMEOUT7_BCR] = {0x210BC, 0},
+ [GCC_PCNOC_BUS_TIMEOUT8_BCR] = {0x210C4, 0},
+ [GCC_PCNOC_BUS_TIMEOUT9_BCR] = {0x210CC, 0},
+ [GCC_TCSR_BCR] = {0x22000, 0},
+ [GCC_MPM_BCR] = {0x24000, 0},
+ [GCC_SPDM_BCR] = {0x25000, 0},
+};
+
+static const struct regmap_config gcc_ipq4019_regmap_config = {
+ .reg_bits = 32,
+ .reg_stride = 4,
+ .val_bits = 32,
+ .max_register = 0x2dfff,
+ .fast_io = true,
+};
+
+static const struct qcom_cc_desc gcc_ipq4019_desc = {
+ .config = &gcc_ipq4019_regmap_config,
+ .clks = gcc_ipq4019_clocks,
+ .num_clks = ARRAY_SIZE(gcc_ipq4019_clocks),
+ .resets = gcc_ipq4019_resets,
+ .num_resets = ARRAY_SIZE(gcc_ipq4019_resets),
+};
+
+static const struct of_device_id gcc_ipq4019_match_table[] = {
+ { .compatible = "qcom,gcc-ipq4019" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, gcc_ipq4019_match_table);
+
+static int gcc_ipq4019_probe(struct platform_device *pdev)
+{
+ return qcom_cc_probe(pdev, &gcc_ipq4019_desc);
+}
+
+static struct platform_driver gcc_ipq4019_driver = {
+ .probe = gcc_ipq4019_probe,
+ .driver = {
+ .name = "qcom,gcc-ipq4019",
+ .owner = THIS_MODULE,
+ .of_match_table = gcc_ipq4019_match_table,
+ },
+};
+
+static int __init gcc_ipq4019_init(void)
+{
+ return platform_driver_register(&gcc_ipq4019_driver);
+}
+core_initcall(gcc_ipq4019_init);
+
+static void __exit gcc_ipq4019_exit(void)
+{
+ platform_driver_unregister(&gcc_ipq4019_driver);
+}
+module_exit(gcc_ipq4019_exit);
+
+MODULE_ALIAS("platform:gcc-ipq4019");
+MODULE_LICENSE("GPL v2");
+MODULE_DESCRIPTION("QCOM GCC IPQ4019 driver");
diff --git a/drivers/clk/qcom/gcc-ipq806x.c b/drivers/clk/qcom/gcc-ipq806x.c
index dd5402bac620..52a7d3959875 100644
--- a/drivers/clk/qcom/gcc-ipq806x.c
+++ b/drivers/clk/qcom/gcc-ipq806x.c
@@ -890,7 +890,6 @@ static struct clk_branch gsbi1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -906,7 +905,6 @@ static struct clk_branch gsbi2_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi2_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -922,7 +920,6 @@ static struct clk_branch gsbi4_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi4_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -938,7 +935,6 @@ static struct clk_branch gsbi5_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi5_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -954,7 +950,6 @@ static struct clk_branch gsbi6_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi6_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -970,7 +965,6 @@ static struct clk_branch gsbi7_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi7_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1144,7 +1138,6 @@ static struct clk_branch pmem_clk = {
.hw.init = &(struct clk_init_data){
.name = "pmem_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1308,7 +1301,6 @@ static struct clk_branch sdc1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sdc1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1324,7 +1316,6 @@ static struct clk_branch sdc3_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sdc3_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1394,7 +1385,6 @@ static struct clk_branch tsif_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "tsif_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1410,7 +1400,6 @@ static struct clk_branch dma_bam_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "dma_bam_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1425,7 +1414,6 @@ static struct clk_branch adm0_clk = {
.hw.init = &(struct clk_init_data){
.name = "adm0_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1442,7 +1430,6 @@ static struct clk_branch adm0_pbus_clk = {
.hw.init = &(struct clk_init_data){
.name = "adm0_pbus_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1457,7 +1444,6 @@ static struct clk_branch pmic_arb0_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "pmic_arb0_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1472,7 +1458,6 @@ static struct clk_branch pmic_arb1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "pmic_arb1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1487,7 +1472,6 @@ static struct clk_branch pmic_ssbi2_clk = {
.hw.init = &(struct clk_init_data){
.name = "pmic_ssbi2_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1504,7 +1488,6 @@ static struct clk_branch rpm_msg_ram_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "rpm_msg_ram_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1563,7 +1546,6 @@ static struct clk_branch pcie_a_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie_a_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1577,7 +1559,6 @@ static struct clk_branch pcie_aux_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie_aux_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1591,7 +1572,6 @@ static struct clk_branch pcie_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1605,7 +1585,6 @@ static struct clk_branch pcie_phy_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie_phy_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1659,7 +1638,6 @@ static struct clk_branch pcie1_a_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie1_a_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1673,7 +1651,6 @@ static struct clk_branch pcie1_aux_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie1_aux_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1687,7 +1664,6 @@ static struct clk_branch pcie1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1701,7 +1677,6 @@ static struct clk_branch pcie1_phy_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie1_phy_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1755,7 +1730,6 @@ static struct clk_branch pcie2_a_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie2_a_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1769,7 +1743,6 @@ static struct clk_branch pcie2_aux_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie2_aux_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1783,7 +1756,6 @@ static struct clk_branch pcie2_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie2_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1797,7 +1769,6 @@ static struct clk_branch pcie2_phy_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie2_phy_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1887,7 +1858,6 @@ static struct clk_branch sata_a_clk = {
.hw.init = &(struct clk_init_data){
.name = "sata_a_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1901,7 +1871,6 @@ static struct clk_branch sata_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sata_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1915,7 +1884,6 @@ static struct clk_branch sfab_sata_s_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sfab_sata_s_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1929,7 +1897,6 @@ static struct clk_branch sata_phy_cfg_clk = {
.hw.init = &(struct clk_init_data){
.name = "sata_phy_cfg_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2139,7 +2106,6 @@ static struct clk_branch usb_hs1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "usb_hs1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2218,7 +2184,6 @@ static struct clk_branch usb_fs1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "usb_fs1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2234,7 +2199,6 @@ static struct clk_branch ebi2_clk = {
.hw.init = &(struct clk_init_data){
.name = "ebi2_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2248,7 +2212,6 @@ static struct clk_branch ebi2_aon_clk = {
.hw.init = &(struct clk_init_data){
.name = "ebi2_always_on_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
diff --git a/drivers/clk/qcom/gcc-msm8660.c b/drivers/clk/qcom/gcc-msm8660.c
index ad413036f7c7..6dc55864979c 100644
--- a/drivers/clk/qcom/gcc-msm8660.c
+++ b/drivers/clk/qcom/gcc-msm8660.c
@@ -1479,7 +1479,6 @@ static struct clk_branch pmem_clk = {
.hw.init = &(struct clk_init_data){
.name = "pmem_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2027,7 +2026,6 @@ static struct clk_branch gsbi1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2041,7 +2039,6 @@ static struct clk_branch gsbi2_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi2_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2055,7 +2052,6 @@ static struct clk_branch gsbi3_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi3_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2069,7 +2065,6 @@ static struct clk_branch gsbi4_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi4_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2083,7 +2078,6 @@ static struct clk_branch gsbi5_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi5_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2097,7 +2091,6 @@ static struct clk_branch gsbi6_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi6_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2111,7 +2104,6 @@ static struct clk_branch gsbi7_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi7_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2125,7 +2117,6 @@ static struct clk_branch gsbi8_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi8_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2139,7 +2130,6 @@ static struct clk_branch gsbi9_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi9_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2153,7 +2143,6 @@ static struct clk_branch gsbi10_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi10_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2167,7 +2156,6 @@ static struct clk_branch gsbi11_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi11_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2181,7 +2169,6 @@ static struct clk_branch gsbi12_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi12_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2195,7 +2182,6 @@ static struct clk_branch tsif_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "tsif_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2209,7 +2195,6 @@ static struct clk_branch usb_fs1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "usb_fs1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2223,7 +2208,6 @@ static struct clk_branch usb_fs2_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "usb_fs2_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2237,7 +2221,6 @@ static struct clk_branch usb_hs1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "usb_hs1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2251,7 +2234,6 @@ static struct clk_branch sdc1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sdc1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2265,7 +2247,6 @@ static struct clk_branch sdc2_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sdc2_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2279,7 +2260,6 @@ static struct clk_branch sdc3_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sdc3_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2293,7 +2273,6 @@ static struct clk_branch sdc4_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sdc4_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2307,7 +2286,6 @@ static struct clk_branch sdc5_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sdc5_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2322,7 +2300,6 @@ static struct clk_branch adm0_clk = {
.hw.init = &(struct clk_init_data){
.name = "adm0_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2337,7 +2314,6 @@ static struct clk_branch adm0_pbus_clk = {
.hw.init = &(struct clk_init_data){
.name = "adm0_pbus_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2352,7 +2328,6 @@ static struct clk_branch adm1_clk = {
.hw.init = &(struct clk_init_data){
.name = "adm1_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2367,7 +2342,6 @@ static struct clk_branch adm1_pbus_clk = {
.hw.init = &(struct clk_init_data){
.name = "adm1_pbus_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2382,7 +2356,6 @@ static struct clk_branch modem_ahb1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "modem_ahb1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2397,7 +2370,6 @@ static struct clk_branch modem_ahb2_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "modem_ahb2_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2412,7 +2384,6 @@ static struct clk_branch pmic_arb0_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "pmic_arb0_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2427,7 +2398,6 @@ static struct clk_branch pmic_arb1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "pmic_arb1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2442,7 +2412,6 @@ static struct clk_branch pmic_ssbi2_clk = {
.hw.init = &(struct clk_init_data){
.name = "pmic_ssbi2_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2459,7 +2428,6 @@ static struct clk_branch rpm_msg_ram_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "rpm_msg_ram_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
diff --git a/drivers/clk/qcom/gcc-msm8916.c b/drivers/clk/qcom/gcc-msm8916.c
index 8cc9b2868b41..9c29080a84d8 100644
--- a/drivers/clk/qcom/gcc-msm8916.c
+++ b/drivers/clk/qcom/gcc-msm8916.c
@@ -2590,6 +2590,23 @@ static struct clk_branch gcc_mss_cfg_ahb_clk = {
},
};
+static struct clk_branch gcc_mss_q6_bimc_axi_clk = {
+ .halt_reg = 0x49004,
+ .clkr = {
+ .enable_reg = 0x49004,
+ .enable_mask = BIT(0),
+ .hw.init = &(struct clk_init_data){
+ .name = "gcc_mss_q6_bimc_axi_clk",
+ .parent_names = (const char *[]){
+ "bimc_ddr_clk_src",
+ },
+ .num_parents = 1,
+ .flags = CLK_SET_RATE_PARENT,
+ .ops = &clk_branch2_ops,
+ },
+ },
+};
+
static struct clk_branch gcc_oxili_ahb_clk = {
.halt_reg = 0x59028,
.clkr = {
@@ -3227,6 +3244,7 @@ static struct clk_regmap *gcc_msm8916_clocks[] = {
[GCC_ULTAUDIO_LPAIF_SEC_I2S_CLK] = &gcc_ultaudio_lpaif_sec_i2s_clk.clkr,
[GCC_ULTAUDIO_LPAIF_AUX_I2S_CLK] = &gcc_ultaudio_lpaif_aux_i2s_clk.clkr,
[GCC_CODEC_DIGCODEC_CLK] = &gcc_codec_digcodec_clk.clkr,
+ [GCC_MSS_Q6_BIMC_AXI_CLK] = &gcc_mss_q6_bimc_axi_clk.clkr,
};
static struct gdsc *gcc_msm8916_gdscs[] = {
diff --git a/drivers/clk/qcom/gcc-msm8960.c b/drivers/clk/qcom/gcc-msm8960.c
index 983dd7dc89a7..eb551c75fba6 100644
--- a/drivers/clk/qcom/gcc-msm8960.c
+++ b/drivers/clk/qcom/gcc-msm8960.c
@@ -1546,7 +1546,6 @@ static struct clk_branch pmem_clk = {
.hw.init = &(struct clk_init_data){
.name = "pmem_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2143,7 +2142,6 @@ static struct clk_branch usb_hsic_hsio_cal_clk = {
.hw.init = &(struct clk_init_data){
.name = "usb_hsic_hsio_cal_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2293,7 +2291,6 @@ static struct clk_branch ce1_core_clk = {
.hw.init = &(struct clk_init_data){
.name = "ce1_core_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2307,7 +2304,6 @@ static struct clk_branch ce1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "ce1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2323,7 +2319,6 @@ static struct clk_branch dma_bam_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "dma_bam_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2339,7 +2334,6 @@ static struct clk_branch gsbi1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2355,7 +2349,6 @@ static struct clk_branch gsbi2_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi2_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2371,7 +2364,6 @@ static struct clk_branch gsbi3_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi3_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2387,7 +2379,6 @@ static struct clk_branch gsbi4_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi4_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2403,7 +2394,6 @@ static struct clk_branch gsbi5_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi5_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2419,7 +2409,6 @@ static struct clk_branch gsbi6_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi6_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2435,7 +2424,6 @@ static struct clk_branch gsbi7_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi7_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2451,7 +2439,6 @@ static struct clk_branch gsbi8_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi8_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2467,7 +2454,6 @@ static struct clk_branch gsbi9_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi9_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2483,7 +2469,6 @@ static struct clk_branch gsbi10_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi10_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2499,7 +2484,6 @@ static struct clk_branch gsbi11_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi11_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2515,7 +2499,6 @@ static struct clk_branch gsbi12_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "gsbi12_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2531,7 +2514,6 @@ static struct clk_branch tsif_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "tsif_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2545,7 +2527,6 @@ static struct clk_branch usb_fs1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "usb_fs1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2559,7 +2540,6 @@ static struct clk_branch usb_fs2_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "usb_fs2_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2575,7 +2555,6 @@ static struct clk_branch usb_hs1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "usb_hs1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2589,7 +2568,6 @@ static struct clk_branch usb_hs3_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "usb_hs3_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2603,7 +2581,6 @@ static struct clk_branch usb_hs4_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "usb_hs4_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2617,7 +2594,6 @@ static struct clk_branch usb_hsic_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "usb_hsic_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2633,7 +2609,6 @@ static struct clk_branch sdc1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sdc1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2649,7 +2624,6 @@ static struct clk_branch sdc2_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sdc2_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2665,7 +2639,6 @@ static struct clk_branch sdc3_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sdc3_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2681,7 +2654,6 @@ static struct clk_branch sdc4_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sdc4_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2697,7 +2669,6 @@ static struct clk_branch sdc5_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sdc5_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2712,7 +2683,6 @@ static struct clk_branch adm0_clk = {
.hw.init = &(struct clk_init_data){
.name = "adm0_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2729,7 +2699,6 @@ static struct clk_branch adm0_pbus_clk = {
.hw.init = &(struct clk_init_data){
.name = "adm0_pbus_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2753,7 +2722,7 @@ static struct clk_rcg ce3_src = {
},
.freq_tbl = clk_tbl_ce3,
.clkr = {
- .enable_reg = 0x2c08,
+ .enable_reg = 0x36c0,
.enable_mask = BIT(7),
.hw.init = &(struct clk_init_data){
.name = "ce3_src",
@@ -2769,7 +2738,7 @@ static struct clk_branch ce3_core_clk = {
.halt_reg = 0x2fdc,
.halt_bit = 5,
.clkr = {
- .enable_reg = 0x36c4,
+ .enable_reg = 0x36cc,
.enable_mask = BIT(4),
.hw.init = &(struct clk_init_data){
.name = "ce3_core_clk",
@@ -2883,7 +2852,6 @@ static struct clk_branch sata_a_clk = {
.hw.init = &(struct clk_init_data){
.name = "sata_a_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2897,7 +2865,6 @@ static struct clk_branch sata_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sata_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2911,7 +2878,6 @@ static struct clk_branch sfab_sata_s_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "sfab_sata_s_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2925,7 +2891,6 @@ static struct clk_branch sata_phy_cfg_clk = {
.hw.init = &(struct clk_init_data){
.name = "sata_phy_cfg_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2939,7 +2904,6 @@ static struct clk_branch pcie_phy_ref_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie_phy_ref_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2953,7 +2917,6 @@ static struct clk_branch pcie_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2967,7 +2930,6 @@ static struct clk_branch pcie_a_clk = {
.hw.init = &(struct clk_init_data){
.name = "pcie_a_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2982,7 +2944,6 @@ static struct clk_branch pmic_arb0_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "pmic_arb0_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2997,7 +2958,6 @@ static struct clk_branch pmic_arb1_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "pmic_arb1_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -3012,7 +2972,6 @@ static struct clk_branch pmic_ssbi2_clk = {
.hw.init = &(struct clk_init_data){
.name = "pmic_ssbi2_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -3029,7 +2988,6 @@ static struct clk_branch rpm_msg_ram_h_clk = {
.hw.init = &(struct clk_init_data){
.name = "rpm_msg_ram_h_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
diff --git a/drivers/clk/qcom/gcc-msm8974.c b/drivers/clk/qcom/gcc-msm8974.c
index 335952db309b..00915209e7c5 100644
--- a/drivers/clk/qcom/gcc-msm8974.c
+++ b/drivers/clk/qcom/gcc-msm8974.c
@@ -1965,7 +1965,6 @@ static struct clk_branch gcc_mss_q6_bimc_axi_clk = {
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "gcc_mss_q6_bimc_axi_clk",
- .flags = CLK_IS_ROOT,
.ops = &clk_branch2_ops,
},
},
diff --git a/drivers/clk/qcom/gcc-msm8996.c b/drivers/clk/qcom/gcc-msm8996.c
index 16d7c323db49..c9b96f318d9c 100644
--- a/drivers/clk/qcom/gcc-msm8996.c
+++ b/drivers/clk/qcom/gcc-msm8996.c
@@ -30,6 +30,7 @@
#include "clk-rcg.h"
#include "clk-branch.h"
#include "reset.h"
+#include "gdsc.h"
#define F(f, s, h, m, n) { (f), (s), (2 * (h) - 1), (m), (n) }
@@ -1320,7 +1321,7 @@ static struct clk_branch gcc_mmss_bimc_gfx_clk = {
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "gcc_mmss_bimc_gfx_clk",
- .flags = CLK_SET_RATE_PARENT | CLK_IS_ROOT,
+ .flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
@@ -2314,7 +2315,7 @@ static struct clk_branch gcc_bimc_gfx_clk = {
.enable_mask = BIT(0),
.hw.init = &(struct clk_init_data){
.name = "gcc_bimc_gfx_clk",
- .flags = CLK_SET_RATE_PARENT | CLK_IS_ROOT,
+ .flags = CLK_SET_RATE_PARENT,
.ops = &clk_branch2_ops,
},
},
@@ -2814,7 +2815,6 @@ static struct clk_branch gcc_ufs_sys_clk_core_clk = {
.hw.init = &(struct clk_init_data){
.name = "gcc_ufs_sys_clk_core_clk",
.ops = &clk_branch2_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2827,7 +2827,6 @@ static struct clk_branch gcc_ufs_tx_symbol_clk_core_clk = {
.hw.init = &(struct clk_init_data){
.name = "gcc_ufs_tx_symbol_clk_core_clk",
.ops = &clk_branch2_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -3059,6 +3058,83 @@ static struct clk_hw *gcc_msm8996_hws[] = {
&ufs_ice_core_postdiv_clk_src.hw,
};
+static struct gdsc aggre0_noc_gdsc = {
+ .gdscr = 0x81004,
+ .gds_hw_ctrl = 0x81028,
+ .pd = {
+ .name = "aggre0_noc",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = VOTABLE,
+};
+
+static struct gdsc hlos1_vote_aggre0_noc_gdsc = {
+ .gdscr = 0x7d024,
+ .pd = {
+ .name = "hlos1_vote_aggre0_noc",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = VOTABLE,
+};
+
+static struct gdsc hlos1_vote_lpass_adsp_gdsc = {
+ .gdscr = 0x7d034,
+ .pd = {
+ .name = "hlos1_vote_lpass_adsp",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = VOTABLE,
+};
+
+static struct gdsc hlos1_vote_lpass_core_gdsc = {
+ .gdscr = 0x7d038,
+ .pd = {
+ .name = "hlos1_vote_lpass_core",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = VOTABLE,
+};
+
+static struct gdsc usb30_gdsc = {
+ .gdscr = 0xf004,
+ .pd = {
+ .name = "usb30",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc pcie0_gdsc = {
+ .gdscr = 0x6b004,
+ .pd = {
+ .name = "pcie0",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc pcie1_gdsc = {
+ .gdscr = 0x6d004,
+ .pd = {
+ .name = "pcie1",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc pcie2_gdsc = {
+ .gdscr = 0x6e004,
+ .pd = {
+ .name = "pcie2",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc ufs_gdsc = {
+ .gdscr = 0x75004,
+ .pd = {
+ .name = "ufs",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
static struct clk_regmap *gcc_msm8996_clocks[] = {
[GPLL0_EARLY] = &gpll0_early.clkr,
[GPLL0] = &gpll0.clkr,
@@ -3245,6 +3321,18 @@ static struct clk_regmap *gcc_msm8996_clocks[] = {
[GCC_RX1_USB2_CLKREF_CLK] = &gcc_rx1_usb2_clkref_clk.clkr,
};
+static struct gdsc *gcc_msm8996_gdscs[] = {
+ [AGGRE0_NOC_GDSC] = &aggre0_noc_gdsc,
+ [HLOS1_VOTE_AGGRE0_NOC_GDSC] = &hlos1_vote_aggre0_noc_gdsc,
+ [HLOS1_VOTE_LPASS_ADSP_GDSC] = &hlos1_vote_lpass_adsp_gdsc,
+ [HLOS1_VOTE_LPASS_CORE_GDSC] = &hlos1_vote_lpass_core_gdsc,
+ [USB30_GDSC] = &usb30_gdsc,
+ [PCIE0_GDSC] = &pcie0_gdsc,
+ [PCIE1_GDSC] = &pcie1_gdsc,
+ [PCIE2_GDSC] = &pcie2_gdsc,
+ [UFS_GDSC] = &ufs_gdsc,
+};
+
static const struct qcom_reset_map gcc_msm8996_resets[] = {
[GCC_SYSTEM_NOC_BCR] = { 0x4000 },
[GCC_CONFIG_NOC_BCR] = { 0x5000 },
@@ -3363,6 +3451,8 @@ static const struct qcom_cc_desc gcc_msm8996_desc = {
.num_clks = ARRAY_SIZE(gcc_msm8996_clocks),
.resets = gcc_msm8996_resets,
.num_resets = ARRAY_SIZE(gcc_msm8996_resets),
+ .gdscs = gcc_msm8996_gdscs,
+ .num_gdscs = ARRAY_SIZE(gcc_msm8996_gdscs),
};
static const struct of_device_id gcc_msm8996_match_table[] = {
diff --git a/drivers/clk/qcom/gdsc.c b/drivers/clk/qcom/gdsc.c
index da9fad8b642b..f12d7b2bddd7 100644
--- a/drivers/clk/qcom/gdsc.c
+++ b/drivers/clk/qcom/gdsc.c
@@ -16,6 +16,7 @@
#include <linux/err.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>
+#include <linux/ktime.h>
#include <linux/pm_domain.h>
#include <linux/regmap.h>
#include <linux/reset-controller.h>
@@ -42,12 +43,12 @@
#define domain_to_gdsc(domain) container_of(domain, struct gdsc, pd)
-static int gdsc_is_enabled(struct gdsc *sc)
+static int gdsc_is_enabled(struct gdsc *sc, unsigned int reg)
{
u32 val;
int ret;
- ret = regmap_read(sc->regmap, sc->gdscr, &val);
+ ret = regmap_read(sc->regmap, reg, &val);
if (ret)
return ret;
@@ -58,28 +59,46 @@ static int gdsc_toggle_logic(struct gdsc *sc, bool en)
{
int ret;
u32 val = en ? 0 : SW_COLLAPSE_MASK;
- u32 check = en ? PWR_ON_MASK : 0;
- unsigned long timeout;
+ ktime_t start;
+ unsigned int status_reg = sc->gdscr;
ret = regmap_update_bits(sc->regmap, sc->gdscr, SW_COLLAPSE_MASK, val);
if (ret)
return ret;
- timeout = jiffies + usecs_to_jiffies(TIMEOUT_US);
- do {
- ret = regmap_read(sc->regmap, sc->gdscr, &val);
- if (ret)
- return ret;
+ /* If disabling votable gdscs, don't poll on status */
+ if ((sc->flags & VOTABLE) && !en) {
+ /*
+ * Add a short delay here to ensure that an enable
+ * right after it was disabled does not put it in an
+ * unknown state
+ */
+ udelay(TIMEOUT_US);
+ return 0;
+ }
- if ((val & PWR_ON_MASK) == check)
- return 0;
- } while (time_before(jiffies, timeout));
+ if (sc->gds_hw_ctrl) {
+ status_reg = sc->gds_hw_ctrl;
+ /*
+ * The gds hw controller asserts/de-asserts the status bit soon
+ * after it receives a power on/off request from a master.
+ * The controller then takes around 8 xo cycles to start its
+ * internal state machine and update the status bit. During
+ * this time, the status bit does not reflect the true status
+ * of the core.
+ * Add a delay of 1 us between writing to the SW_COLLAPSE bit
+ * and polling the status bit.
+ */
+ udelay(1);
+ }
- ret = regmap_read(sc->regmap, sc->gdscr, &val);
- if (ret)
- return ret;
+ start = ktime_get();
+ do {
+ if (gdsc_is_enabled(sc, status_reg) == en)
+ return 0;
+ } while (ktime_us_delta(ktime_get(), start) < TIMEOUT_US);
- if ((val & PWR_ON_MASK) == check)
+ if (gdsc_is_enabled(sc, status_reg) == en)
return 0;
return -ETIMEDOUT;
@@ -165,6 +184,7 @@ static int gdsc_init(struct gdsc *sc)
{
u32 mask, val;
int on, ret;
+ unsigned int reg;
/*
* Disable HW trigger: collapse/restore occur based on registers writes.
@@ -185,10 +205,18 @@ static int gdsc_init(struct gdsc *sc)
return ret;
}
- on = gdsc_is_enabled(sc);
+ reg = sc->gds_hw_ctrl ? sc->gds_hw_ctrl : sc->gdscr;
+ on = gdsc_is_enabled(sc, reg);
if (on < 0)
return on;
+ /*
+ * Votable GDSCs can be ON due to Vote from other masters.
+ * If a Votable GDSC is ON, make sure we have a Vote.
+ */
+ if ((sc->flags & VOTABLE) && on)
+ gdsc_enable(&sc->pd);
+
if (on || (sc->pwrsts & PWRSTS_RET))
gdsc_force_mem_on(sc);
else
@@ -201,11 +229,14 @@ static int gdsc_init(struct gdsc *sc)
return 0;
}
-int gdsc_register(struct device *dev, struct gdsc **scs, size_t num,
+int gdsc_register(struct gdsc_desc *desc,
struct reset_controller_dev *rcdev, struct regmap *regmap)
{
int i, ret;
struct genpd_onecell_data *data;
+ struct device *dev = desc->dev;
+ struct gdsc **scs = desc->scs;
+ size_t num = desc->num;
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
@@ -228,10 +259,30 @@ int gdsc_register(struct device *dev, struct gdsc **scs, size_t num,
data->domains[i] = &scs[i]->pd;
}
+ /* Add subdomains */
+ for (i = 0; i < num; i++) {
+ if (!scs[i])
+ continue;
+ if (scs[i]->parent)
+ pm_genpd_add_subdomain(scs[i]->parent, &scs[i]->pd);
+ }
+
return of_genpd_add_provider_onecell(dev->of_node, data);
}
-void gdsc_unregister(struct device *dev)
+void gdsc_unregister(struct gdsc_desc *desc)
{
+ int i;
+ struct device *dev = desc->dev;
+ struct gdsc **scs = desc->scs;
+ size_t num = desc->num;
+
+ /* Remove subdomains */
+ for (i = 0; i < num; i++) {
+ if (!scs[i])
+ continue;
+ if (scs[i]->parent)
+ pm_genpd_remove_subdomain(scs[i]->parent, &scs[i]->pd);
+ }
of_genpd_del_provider(dev->of_node);
}
diff --git a/drivers/clk/qcom/gdsc.h b/drivers/clk/qcom/gdsc.h
index 5ded26884f08..3bf497c36bdf 100644
--- a/drivers/clk/qcom/gdsc.h
+++ b/drivers/clk/qcom/gdsc.h
@@ -20,18 +20,12 @@
struct regmap;
struct reset_controller_dev;
-/* Powerdomain allowable state bitfields */
-#define PWRSTS_OFF BIT(0)
-#define PWRSTS_RET BIT(1)
-#define PWRSTS_ON BIT(2)
-#define PWRSTS_OFF_ON (PWRSTS_OFF | PWRSTS_ON)
-#define PWRSTS_RET_ON (PWRSTS_RET | PWRSTS_ON)
-
/**
* struct gdsc - Globally Distributed Switch Controller
* @pd: generic power domain
* @regmap: regmap for MMIO accesses
* @gdscr: gsdc control register
+ * @gds_hw_ctrl: gds_hw_ctrl register
* @cxcs: offsets of branch registers to toggle mem/periph bits in
* @cxc_count: number of @cxcs
* @pwrsts: Possible powerdomain power states
@@ -41,28 +35,44 @@ struct reset_controller_dev;
*/
struct gdsc {
struct generic_pm_domain pd;
+ struct generic_pm_domain *parent;
struct regmap *regmap;
unsigned int gdscr;
+ unsigned int gds_hw_ctrl;
unsigned int *cxcs;
unsigned int cxc_count;
const u8 pwrsts;
+/* Powerdomain allowable state bitfields */
+#define PWRSTS_OFF BIT(0)
+#define PWRSTS_RET BIT(1)
+#define PWRSTS_ON BIT(2)
+#define PWRSTS_OFF_ON (PWRSTS_OFF | PWRSTS_ON)
+#define PWRSTS_RET_ON (PWRSTS_RET | PWRSTS_ON)
+ const u8 flags;
+#define VOTABLE BIT(0)
struct reset_controller_dev *rcdev;
unsigned int *resets;
unsigned int reset_count;
};
+struct gdsc_desc {
+ struct device *dev;
+ struct gdsc **scs;
+ size_t num;
+};
+
#ifdef CONFIG_QCOM_GDSC
-int gdsc_register(struct device *, struct gdsc **, size_t n,
- struct reset_controller_dev *, struct regmap *);
-void gdsc_unregister(struct device *);
+int gdsc_register(struct gdsc_desc *desc, struct reset_controller_dev *,
+ struct regmap *);
+void gdsc_unregister(struct gdsc_desc *desc);
#else
-static inline int gdsc_register(struct device *d, struct gdsc **g, size_t n,
+static inline int gdsc_register(struct gdsc_desc *desc,
struct reset_controller_dev *rcdev,
struct regmap *r)
{
return -ENOSYS;
}
-static inline void gdsc_unregister(struct device *d) {};
+static inline void gdsc_unregister(struct gdsc_desc *desc) {};
#endif /* CONFIG_QCOM_GDSC */
#endif /* __QCOM_GDSC_H__ */
diff --git a/drivers/clk/qcom/mmcc-msm8960.c b/drivers/clk/qcom/mmcc-msm8960.c
index 00e36192a1de..7f21421c87d6 100644
--- a/drivers/clk/qcom/mmcc-msm8960.c
+++ b/drivers/clk/qcom/mmcc-msm8960.c
@@ -1789,7 +1789,6 @@ static struct clk_branch gmem_axi_clk = {
.hw.init = &(struct clk_init_data){
.name = "gmem_axi_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1805,7 +1804,6 @@ static struct clk_branch ijpeg_axi_clk = {
.hw.init = &(struct clk_init_data){
.name = "ijpeg_axi_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1821,7 +1819,6 @@ static struct clk_branch mmss_imem_axi_clk = {
.hw.init = &(struct clk_init_data){
.name = "mmss_imem_axi_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1835,7 +1832,6 @@ static struct clk_branch jpegd_axi_clk = {
.hw.init = &(struct clk_init_data){
.name = "jpegd_axi_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1851,7 +1847,6 @@ static struct clk_branch vcodec_axi_b_clk = {
.hw.init = &(struct clk_init_data){
.name = "vcodec_axi_b_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1867,7 +1862,6 @@ static struct clk_branch vcodec_axi_a_clk = {
.hw.init = &(struct clk_init_data){
.name = "vcodec_axi_a_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1883,7 +1877,6 @@ static struct clk_branch vcodec_axi_clk = {
.hw.init = &(struct clk_init_data){
.name = "vcodec_axi_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1897,7 +1890,6 @@ static struct clk_branch vfe_axi_clk = {
.hw.init = &(struct clk_init_data){
.name = "vfe_axi_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1913,7 +1905,6 @@ static struct clk_branch mdp_axi_clk = {
.hw.init = &(struct clk_init_data){
.name = "mdp_axi_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1929,7 +1920,6 @@ static struct clk_branch rot_axi_clk = {
.hw.init = &(struct clk_init_data){
.name = "rot_axi_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1945,7 +1935,6 @@ static struct clk_branch vcap_axi_clk = {
.hw.init = &(struct clk_init_data){
.name = "vcap_axi_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1961,7 +1950,6 @@ static struct clk_branch vpe_axi_clk = {
.hw.init = &(struct clk_init_data){
.name = "vpe_axi_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1977,7 +1965,6 @@ static struct clk_branch gfx3d_axi_clk = {
.hw.init = &(struct clk_init_data){
.name = "gfx3d_axi_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -1991,7 +1978,6 @@ static struct clk_branch amp_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "amp_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2005,7 +1991,6 @@ static struct clk_branch csi_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "csi_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT
},
},
};
@@ -2019,7 +2004,6 @@ static struct clk_branch dsi_m_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "dsi_m_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2035,7 +2019,6 @@ static struct clk_branch dsi_s_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "dsi_s_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2049,7 +2032,6 @@ static struct clk_branch dsi2_m_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "dsi2_m_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT
},
},
};
@@ -2065,7 +2047,6 @@ static struct clk_branch dsi2_s_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "dsi2_s_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2425,7 +2406,6 @@ static struct clk_branch gfx2d0_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "gfx2d0_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2441,7 +2421,6 @@ static struct clk_branch gfx2d1_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "gfx2d1_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2457,7 +2436,6 @@ static struct clk_branch gfx3d_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "gfx3d_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2473,7 +2451,6 @@ static struct clk_branch hdmi_m_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "hdmi_m_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2489,7 +2466,6 @@ static struct clk_branch hdmi_s_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "hdmi_s_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2503,7 +2479,6 @@ static struct clk_branch ijpeg_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "ijpeg_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT
},
},
};
@@ -2519,7 +2494,6 @@ static struct clk_branch mmss_imem_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "mmss_imem_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT
},
},
};
@@ -2533,7 +2507,6 @@ static struct clk_branch jpegd_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "jpegd_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2547,7 +2520,6 @@ static struct clk_branch mdp_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "mdp_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2561,7 +2533,6 @@ static struct clk_branch rot_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "rot_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT
},
},
};
@@ -2577,7 +2548,6 @@ static struct clk_branch smmu_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "smmu_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2591,7 +2561,6 @@ static struct clk_branch tv_enc_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "tv_enc_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2605,7 +2574,6 @@ static struct clk_branch vcap_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "vcap_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2621,7 +2589,6 @@ static struct clk_branch vcodec_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "vcodec_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2635,7 +2602,6 @@ static struct clk_branch vfe_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "vfe_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
@@ -2649,7 +2615,6 @@ static struct clk_branch vpe_ahb_clk = {
.hw.init = &(struct clk_init_data){
.name = "vpe_ahb_clk",
.ops = &clk_branch_ops,
- .flags = CLK_IS_ROOT,
},
},
};
diff --git a/drivers/clk/qcom/mmcc-msm8974.c b/drivers/clk/qcom/mmcc-msm8974.c
index 9d790bcadf25..715e7cd94125 100644
--- a/drivers/clk/qcom/mmcc-msm8974.c
+++ b/drivers/clk/qcom/mmcc-msm8974.c
@@ -2400,6 +2400,7 @@ static struct gdsc oxilicx_gdsc = {
.pd = {
.name = "oxilicx",
},
+ .parent = &oxili_gdsc.pd,
.pwrsts = PWRSTS_OFF_ON,
};
@@ -2615,7 +2616,6 @@ MODULE_DEVICE_TABLE(of, mmcc_msm8974_match_table);
static int mmcc_msm8974_probe(struct platform_device *pdev)
{
struct regmap *regmap;
- int ret;
regmap = qcom_cc_map(pdev, &mmcc_msm8974_desc);
if (IS_ERR(regmap))
@@ -2624,22 +2624,11 @@ static int mmcc_msm8974_probe(struct platform_device *pdev)
clk_pll_configure_sr_hpm_lp(&mmpll1, regmap, &mmpll1_config, true);
clk_pll_configure_sr_hpm_lp(&mmpll3, regmap, &mmpll3_config, false);
- ret = qcom_cc_really_probe(pdev, &mmcc_msm8974_desc, regmap);
- if (ret)
- return ret;
-
- return pm_genpd_add_subdomain(&oxili_gdsc.pd, &oxilicx_gdsc.pd);
-}
-
-static int mmcc_msm8974_remove(struct platform_device *pdev)
-{
- pm_genpd_remove_subdomain(&oxili_gdsc.pd, &oxilicx_gdsc.pd);
- return 0;
+ return qcom_cc_really_probe(pdev, &mmcc_msm8974_desc, regmap);
}
static struct platform_driver mmcc_msm8974_driver = {
.probe = mmcc_msm8974_probe,
- .remove = mmcc_msm8974_remove,
.driver = {
.name = "mmcc-msm8974",
.of_match_table = mmcc_msm8974_match_table,
diff --git a/drivers/clk/qcom/mmcc-msm8996.c b/drivers/clk/qcom/mmcc-msm8996.c
index 064f3eaa39d0..6df7ff36b416 100644
--- a/drivers/clk/qcom/mmcc-msm8996.c
+++ b/drivers/clk/qcom/mmcc-msm8996.c
@@ -32,6 +32,7 @@
#include "clk-rcg.h"
#include "clk-branch.h"
#include "reset.h"
+#include "gdsc.h"
#define F(f, s, h, m, n) { (f), (s), (2 * (h) - 1), (m), (n) }
@@ -2917,6 +2918,144 @@ static struct clk_hw *mmcc_msm8996_hws[] = {
&gpll0_div.hw,
};
+static struct gdsc mmagic_video_gdsc = {
+ .gdscr = 0x119c,
+ .gds_hw_ctrl = 0x120c,
+ .pd = {
+ .name = "mmagic_video",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = VOTABLE,
+};
+
+static struct gdsc mmagic_mdss_gdsc = {
+ .gdscr = 0x247c,
+ .gds_hw_ctrl = 0x2480,
+ .pd = {
+ .name = "mmagic_mdss",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = VOTABLE,
+};
+
+static struct gdsc mmagic_camss_gdsc = {
+ .gdscr = 0x3c4c,
+ .gds_hw_ctrl = 0x3c50,
+ .pd = {
+ .name = "mmagic_camss",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+ .flags = VOTABLE,
+};
+
+static struct gdsc venus_gdsc = {
+ .gdscr = 0x1024,
+ .cxcs = (unsigned int []){ 0x1028, 0x1034, 0x1038 },
+ .cxc_count = 3,
+ .pd = {
+ .name = "venus",
+ },
+ .parent = &mmagic_video_gdsc.pd,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc venus_core0_gdsc = {
+ .gdscr = 0x1040,
+ .cxcs = (unsigned int []){ 0x1048 },
+ .cxc_count = 1,
+ .pd = {
+ .name = "venus_core0",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc venus_core1_gdsc = {
+ .gdscr = 0x1044,
+ .cxcs = (unsigned int []){ 0x104c },
+ .cxc_count = 1,
+ .pd = {
+ .name = "venus_core1",
+ },
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc camss_gdsc = {
+ .gdscr = 0x34a0,
+ .cxcs = (unsigned int []){ 0x36bc, 0x36c4 },
+ .cxc_count = 2,
+ .pd = {
+ .name = "camss",
+ },
+ .parent = &mmagic_camss_gdsc.pd,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc vfe0_gdsc = {
+ .gdscr = 0x3664,
+ .cxcs = (unsigned int []){ 0x36a8 },
+ .cxc_count = 1,
+ .pd = {
+ .name = "vfe0",
+ },
+ .parent = &camss_gdsc.pd,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc vfe1_gdsc = {
+ .gdscr = 0x3674,
+ .cxcs = (unsigned int []){ 0x36ac },
+ .cxc_count = 1,
+ .pd = {
+ .name = "vfe0",
+ },
+ .parent = &camss_gdsc.pd,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc jpeg_gdsc = {
+ .gdscr = 0x35a4,
+ .cxcs = (unsigned int []){ 0x35a8, 0x35b0, 0x35c0, 0x35b8 },
+ .cxc_count = 4,
+ .pd = {
+ .name = "jpeg",
+ },
+ .parent = &camss_gdsc.pd,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc cpp_gdsc = {
+ .gdscr = 0x36d4,
+ .cxcs = (unsigned int []){ 0x36b0 },
+ .cxc_count = 1,
+ .pd = {
+ .name = "cpp",
+ },
+ .parent = &camss_gdsc.pd,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc fd_gdsc = {
+ .gdscr = 0x3b64,
+ .cxcs = (unsigned int []){ 0x3b68, 0x3b6c },
+ .cxc_count = 2,
+ .pd = {
+ .name = "fd",
+ },
+ .parent = &camss_gdsc.pd,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
+static struct gdsc mdss_gdsc = {
+ .gdscr = 0x2304,
+ .cxcs = (unsigned int []){ 0x2310, 0x231c },
+ .cxc_count = 2,
+ .pd = {
+ .name = "mdss",
+ },
+ .parent = &mmagic_mdss_gdsc.pd,
+ .pwrsts = PWRSTS_OFF_ON,
+};
+
static struct clk_regmap *mmcc_msm8996_clocks[] = {
[MMPLL0_EARLY] = &mmpll0_early.clkr,
[MMPLL0_PLL] = &mmpll0.clkr,
@@ -3093,6 +3232,22 @@ static struct clk_regmap *mmcc_msm8996_clocks[] = {
[FD_AHB_CLK] = &fd_ahb_clk.clkr,
};
+static struct gdsc *mmcc_msm8996_gdscs[] = {
+ [MMAGIC_VIDEO_GDSC] = &mmagic_video_gdsc,
+ [MMAGIC_MDSS_GDSC] = &mmagic_mdss_gdsc,
+ [MMAGIC_CAMSS_GDSC] = &mmagic_camss_gdsc,
+ [VENUS_GDSC] = &venus_gdsc,
+ [VENUS_CORE0_GDSC] = &venus_core0_gdsc,
+ [VENUS_CORE1_GDSC] = &venus_core1_gdsc,
+ [CAMSS_GDSC] = &camss_gdsc,
+ [VFE0_GDSC] = &vfe0_gdsc,
+ [VFE1_GDSC] = &vfe1_gdsc,
+ [JPEG_GDSC] = &jpeg_gdsc,
+ [CPP_GDSC] = &cpp_gdsc,
+ [FD_GDSC] = &fd_gdsc,
+ [MDSS_GDSC] = &mdss_gdsc,
+};
+
static const struct qcom_reset_map mmcc_msm8996_resets[] = {
[MMAGICAHB_BCR] = { 0x5020 },
[MMAGIC_CFG_BCR] = { 0x5050 },
@@ -3170,6 +3325,8 @@ static const struct qcom_cc_desc mmcc_msm8996_desc = {
.num_clks = ARRAY_SIZE(mmcc_msm8996_clocks),
.resets = mmcc_msm8996_resets,
.num_resets = ARRAY_SIZE(mmcc_msm8996_resets),
+ .gdscs = mmcc_msm8996_gdscs,
+ .num_gdscs = ARRAY_SIZE(mmcc_msm8996_gdscs),
};
static const struct of_device_id mmcc_msm8996_match_table[] = {
diff --git a/drivers/clk/shmobile/Makefile b/drivers/clk/renesas/Makefile
index 7e2579b30326..7e2579b30326 100644
--- a/drivers/clk/shmobile/Makefile
+++ b/drivers/clk/renesas/Makefile
diff --git a/drivers/clk/shmobile/clk-div6.c b/drivers/clk/renesas/clk-div6.c
index 999994769450..0627860233cb 100644
--- a/drivers/clk/shmobile/clk-div6.c
+++ b/drivers/clk/renesas/clk-div6.c
@@ -82,9 +82,8 @@ static unsigned long cpg_div6_clock_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
struct div6_clock *clock = to_div6_clock(hw);
- unsigned int div = (clk_readl(clock->reg) & CPG_DIV6_DIV_MASK) + 1;
- return parent_rate / div;
+ return parent_rate / clock->div;
}
static unsigned int cpg_div6_clock_calc_div(unsigned long rate,
diff --git a/drivers/clk/shmobile/clk-div6.h b/drivers/clk/renesas/clk-div6.h
index 9a85a95188da..567b31d2bfa5 100644
--- a/drivers/clk/shmobile/clk-div6.h
+++ b/drivers/clk/renesas/clk-div6.h
@@ -1,5 +1,5 @@
-#ifndef __SHMOBILE_CLK_DIV6_H__
-#define __SHMOBILE_CLK_DIV6_H__
+#ifndef __RENESAS_CLK_DIV6_H__
+#define __RENESAS_CLK_DIV6_H__
struct clk *cpg_div6_register(const char *name, unsigned int num_parents,
const char **parent_names, void __iomem *reg);
diff --git a/drivers/clk/shmobile/clk-emev2.c b/drivers/clk/renesas/clk-emev2.c
index a91825471c79..a91825471c79 100644
--- a/drivers/clk/shmobile/clk-emev2.c
+++ b/drivers/clk/renesas/clk-emev2.c
diff --git a/drivers/clk/shmobile/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c
index 3b09716ebda2..3d44e183aedd 100644
--- a/drivers/clk/shmobile/clk-mstp.c
+++ b/drivers/clk/renesas/clk-mstp.c
@@ -14,7 +14,7 @@
#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/clkdev.h>
-#include <linux/clk/shmobile.h>
+#include <linux/clk/renesas.h>
#include <linux/device.h>
#include <linux/io.h>
#include <linux/of.h>
diff --git a/drivers/clk/shmobile/clk-r8a73a4.c b/drivers/clk/renesas/clk-r8a73a4.c
index 9326204bed9d..28d204bb659e 100644
--- a/drivers/clk/shmobile/clk-r8a73a4.c
+++ b/drivers/clk/renesas/clk-r8a73a4.c
@@ -9,7 +9,7 @@
*/
#include <linux/clk-provider.h>
-#include <linux/clk/shmobile.h>
+#include <linux/clk/renesas.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/slab.h>
diff --git a/drivers/clk/shmobile/clk-r8a7740.c b/drivers/clk/renesas/clk-r8a7740.c
index 1e6b1da58065..2f7ce6696b6c 100644
--- a/drivers/clk/shmobile/clk-r8a7740.c
+++ b/drivers/clk/renesas/clk-r8a7740.c
@@ -9,7 +9,7 @@
*/
#include <linux/clk-provider.h>
-#include <linux/clk/shmobile.h>
+#include <linux/clk/renesas.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/slab.h>
diff --git a/drivers/clk/shmobile/clk-r8a7778.c b/drivers/clk/renesas/clk-r8a7778.c
index b1741551fff2..40e3a501a50e 100644
--- a/drivers/clk/shmobile/clk-r8a7778.c
+++ b/drivers/clk/renesas/clk-r8a7778.c
@@ -9,7 +9,7 @@
*/
#include <linux/clk-provider.h>
-#include <linux/clk/shmobile.h>
+#include <linux/clk/renesas.h>
#include <linux/of_address.h>
#include <linux/slab.h>
diff --git a/drivers/clk/shmobile/clk-r8a7779.c b/drivers/clk/renesas/clk-r8a7779.c
index 92275c5f2c60..cf2a37df03b1 100644
--- a/drivers/clk/shmobile/clk-r8a7779.c
+++ b/drivers/clk/renesas/clk-r8a7779.c
@@ -11,7 +11,7 @@
*/
#include <linux/clk-provider.h>
-#include <linux/clk/shmobile.h>
+#include <linux/clk/renesas.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/of.h>
diff --git a/drivers/clk/shmobile/clk-rcar-gen2.c b/drivers/clk/renesas/clk-rcar-gen2.c
index 841977240305..00e6aba4b9c0 100644
--- a/drivers/clk/shmobile/clk-rcar-gen2.c
+++ b/drivers/clk/renesas/clk-rcar-gen2.c
@@ -11,7 +11,7 @@
*/
#include <linux/clk-provider.h>
-#include <linux/clk/shmobile.h>
+#include <linux/clk/renesas.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/math64.h>
diff --git a/drivers/clk/shmobile/clk-rz.c b/drivers/clk/renesas/clk-rz.c
index 9766e3cb595f..f6312c62f16b 100644
--- a/drivers/clk/shmobile/clk-rz.c
+++ b/drivers/clk/renesas/clk-rz.c
@@ -10,7 +10,7 @@
*/
#include <linux/clk-provider.h>
-#include <linux/clk/shmobile.h>
+#include <linux/clk/renesas.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/of.h>
diff --git a/drivers/clk/shmobile/clk-sh73a0.c b/drivers/clk/renesas/clk-sh73a0.c
index 8966f8bbfd72..eea38f6ea77e 100644
--- a/drivers/clk/shmobile/clk-sh73a0.c
+++ b/drivers/clk/renesas/clk-sh73a0.c
@@ -9,7 +9,7 @@
*/
#include <linux/clk-provider.h>
-#include <linux/clk/shmobile.h>
+#include <linux/clk/renesas.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/of.h>
diff --git a/drivers/clk/shmobile/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c
index 13e994772dfd..b2198aef5ed4 100644
--- a/drivers/clk/shmobile/r8a7795-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c
@@ -20,6 +20,7 @@
#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/of.h>
+#include <linux/slab.h>
#include <dt-bindings/clock/r8a7795-cpg-mssr.h>
@@ -61,6 +62,7 @@ enum r8a7795_clk_types {
CLK_TYPE_GEN3_PLL2,
CLK_TYPE_GEN3_PLL3,
CLK_TYPE_GEN3_PLL4,
+ CLK_TYPE_GEN3_SD,
};
static const struct cpg_core_clk r8a7795_core_clks[] __initconst = {
@@ -99,11 +101,18 @@ static const struct cpg_core_clk r8a7795_core_clks[] __initconst = {
DEF_FIXED("s3d1", R8A7795_CLK_S3D1, CLK_S3, 1, 1),
DEF_FIXED("s3d2", R8A7795_CLK_S3D2, CLK_S3, 2, 1),
DEF_FIXED("s3d4", R8A7795_CLK_S3D4, CLK_S3, 4, 1),
+
+ DEF_SD("sd0", R8A7795_CLK_SD0, CLK_PLL1_DIV2, 0x0074),
+ DEF_SD("sd1", R8A7795_CLK_SD1, CLK_PLL1_DIV2, 0x0078),
+ DEF_SD("sd2", R8A7795_CLK_SD2, CLK_PLL1_DIV2, 0x0268),
+ DEF_SD("sd3", R8A7795_CLK_SD3, CLK_PLL1_DIV2, 0x026c),
+
DEF_FIXED("cl", R8A7795_CLK_CL, CLK_PLL1_DIV2, 48, 1),
DEF_FIXED("cp", R8A7795_CLK_CP, CLK_EXTAL, 2, 1),
DEF_DIV6P1("mso", R8A7795_CLK_MSO, CLK_PLL1_DIV4, 0x014),
DEF_DIV6P1("hdmi", R8A7795_CLK_HDMI, CLK_PLL1_DIV2, 0x250),
+ DEF_DIV6P1("canfd", R8A7795_CLK_CANFD, CLK_PLL1_DIV4, 0x244),
};
static const struct mssr_mod_clk r8a7795_mod_clks[] __initconst = {
@@ -120,8 +129,17 @@ static const struct mssr_mod_clk r8a7795_mod_clks[] __initconst = {
DEF_MOD("sys-dmac1", 218, R8A7795_CLK_S3D1),
DEF_MOD("sys-dmac0", 219, R8A7795_CLK_S3D1),
DEF_MOD("scif2", 310, R8A7795_CLK_S3D4),
+ DEF_MOD("sdif3", 311, R8A7795_CLK_SD3),
+ DEF_MOD("sdif2", 312, R8A7795_CLK_SD2),
+ DEF_MOD("sdif1", 313, R8A7795_CLK_SD1),
+ DEF_MOD("sdif0", 314, R8A7795_CLK_SD0),
DEF_MOD("pcie1", 318, R8A7795_CLK_S3D1),
DEF_MOD("pcie0", 319, R8A7795_CLK_S3D1),
+ DEF_MOD("usb3-if1", 327, R8A7795_CLK_S3D1),
+ DEF_MOD("usb3-if0", 328, R8A7795_CLK_S3D1),
+ DEF_MOD("usb-dmac0", 330, R8A7795_CLK_S3D1),
+ DEF_MOD("usb-dmac1", 331, R8A7795_CLK_S3D1),
+ DEF_MOD("intc-ex", 407, R8A7795_CLK_CP),
DEF_MOD("intc-ap", 408, R8A7795_CLK_S3D1),
DEF_MOD("audmac0", 502, R8A7795_CLK_S3D4),
DEF_MOD("audmac1", 501, R8A7795_CLK_S3D4),
@@ -130,6 +148,21 @@ static const struct mssr_mod_clk r8a7795_mod_clks[] __initconst = {
DEF_MOD("hscif2", 518, R8A7795_CLK_S3D1),
DEF_MOD("hscif1", 519, R8A7795_CLK_S3D1),
DEF_MOD("hscif0", 520, R8A7795_CLK_S3D1),
+ DEF_MOD("fcpvd3", 600, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpvd2", 601, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpvd1", 602, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpvd0", 603, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpvb1", 606, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpvb0", 607, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpvi2", 609, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpvi1", 610, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpvi0", 611, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpf2", 613, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpf1", 614, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpf0", 615, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpci1", 616, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpci0", 617, R8A7795_CLK_S2D1),
+ DEF_MOD("fcpcs", 619, R8A7795_CLK_S2D1),
DEF_MOD("vspd3", 620, R8A7795_CLK_S2D1),
DEF_MOD("vspd2", 621, R8A7795_CLK_S2D1),
DEF_MOD("vspd1", 622, R8A7795_CLK_S2D1),
@@ -147,6 +180,7 @@ static const struct mssr_mod_clk r8a7795_mod_clks[] __initconst = {
DEF_MOD("du2", 722, R8A7795_CLK_S2D1),
DEF_MOD("du1", 723, R8A7795_CLK_S2D1),
DEF_MOD("du0", 724, R8A7795_CLK_S2D1),
+ DEF_MOD("lvds", 727, R8A7795_CLK_S2D1),
DEF_MOD("hdmi1", 728, R8A7795_CLK_HDMI),
DEF_MOD("hdmi0", 729, R8A7795_CLK_HDMI),
DEF_MOD("etheravb", 812, R8A7795_CLK_S3D2),
@@ -159,6 +193,9 @@ static const struct mssr_mod_clk r8a7795_mod_clks[] __initconst = {
DEF_MOD("gpio2", 910, R8A7795_CLK_CP),
DEF_MOD("gpio1", 911, R8A7795_CLK_CP),
DEF_MOD("gpio0", 912, R8A7795_CLK_CP),
+ DEF_MOD("can-fd", 914, R8A7795_CLK_S3D2),
+ DEF_MOD("can-if1", 915, R8A7795_CLK_S3D4),
+ DEF_MOD("can-if0", 916, R8A7795_CLK_S3D4),
DEF_MOD("i2c6", 918, R8A7795_CLK_S3D2),
DEF_MOD("i2c5", 919, R8A7795_CLK_S3D2),
DEF_MOD("i2c4", 927, R8A7795_CLK_S3D2),
@@ -198,6 +235,221 @@ static const unsigned int r8a7795_crit_mod_clks[] __initconst = {
MOD_CLK_ID(408), /* INTC-AP (GIC) */
};
+/* -----------------------------------------------------------------------------
+ * SDn Clock
+ *
+ */
+#define CPG_SD_STP_HCK BIT(9)
+#define CPG_SD_STP_CK BIT(8)
+
+#define CPG_SD_STP_MASK (CPG_SD_STP_HCK | CPG_SD_STP_CK)
+#define CPG_SD_FC_MASK (0x7 << 2 | 0x3 << 0)
+
+#define CPG_SD_DIV_TABLE_DATA(stp_hck, stp_ck, sd_srcfc, sd_fc, sd_div) \
+{ \
+ .val = ((stp_hck) ? CPG_SD_STP_HCK : 0) | \
+ ((stp_ck) ? CPG_SD_STP_CK : 0) | \
+ ((sd_srcfc) << 2) | \
+ ((sd_fc) << 0), \
+ .div = (sd_div), \
+}
+
+struct sd_div_table {
+ u32 val;
+ unsigned int div;
+};
+
+struct sd_clock {
+ struct clk_hw hw;
+ void __iomem *reg;
+ const struct sd_div_table *div_table;
+ unsigned int div_num;
+ unsigned int div_min;
+ unsigned int div_max;
+};
+
+/* SDn divider
+ * sd_srcfc sd_fc div
+ * stp_hck stp_ck (div) (div) = sd_srcfc x sd_fc
+ *-------------------------------------------------------------------
+ * 0 0 0 (1) 1 (4) 4
+ * 0 0 1 (2) 1 (4) 8
+ * 1 0 2 (4) 1 (4) 16
+ * 1 0 3 (8) 1 (4) 32
+ * 1 0 4 (16) 1 (4) 64
+ * 0 0 0 (1) 0 (2) 2
+ * 0 0 1 (2) 0 (2) 4
+ * 1 0 2 (4) 0 (2) 8
+ * 1 0 3 (8) 0 (2) 16
+ * 1 0 4 (16) 0 (2) 32
+ */
+static const struct sd_div_table cpg_sd_div_table[] = {
+/* CPG_SD_DIV_TABLE_DATA(stp_hck, stp_ck, sd_srcfc, sd_fc, sd_div) */
+ CPG_SD_DIV_TABLE_DATA(0, 0, 0, 1, 4),
+ CPG_SD_DIV_TABLE_DATA(0, 0, 1, 1, 8),
+ CPG_SD_DIV_TABLE_DATA(1, 0, 2, 1, 16),
+ CPG_SD_DIV_TABLE_DATA(1, 0, 3, 1, 32),
+ CPG_SD_DIV_TABLE_DATA(1, 0, 4, 1, 64),
+ CPG_SD_DIV_TABLE_DATA(0, 0, 0, 0, 2),
+ CPG_SD_DIV_TABLE_DATA(0, 0, 1, 0, 4),
+ CPG_SD_DIV_TABLE_DATA(1, 0, 2, 0, 8),
+ CPG_SD_DIV_TABLE_DATA(1, 0, 3, 0, 16),
+ CPG_SD_DIV_TABLE_DATA(1, 0, 4, 0, 32),
+};
+
+#define to_sd_clock(_hw) container_of(_hw, struct sd_clock, hw)
+
+static int cpg_sd_clock_enable(struct clk_hw *hw)
+{
+ struct sd_clock *clock = to_sd_clock(hw);
+ u32 val, sd_fc;
+ unsigned int i;
+
+ val = clk_readl(clock->reg);
+
+ sd_fc = val & CPG_SD_FC_MASK;
+ for (i = 0; i < clock->div_num; i++)
+ if (sd_fc == (clock->div_table[i].val & CPG_SD_FC_MASK))
+ break;
+
+ if (i >= clock->div_num)
+ return -EINVAL;
+
+ val &= ~(CPG_SD_STP_MASK);
+ val |= clock->div_table[i].val & CPG_SD_STP_MASK;
+
+ clk_writel(val, clock->reg);
+
+ return 0;
+}
+
+static void cpg_sd_clock_disable(struct clk_hw *hw)
+{
+ struct sd_clock *clock = to_sd_clock(hw);
+
+ clk_writel(clk_readl(clock->reg) | CPG_SD_STP_MASK, clock->reg);
+}
+
+static int cpg_sd_clock_is_enabled(struct clk_hw *hw)
+{
+ struct sd_clock *clock = to_sd_clock(hw);
+
+ return !(clk_readl(clock->reg) & CPG_SD_STP_MASK);
+}
+
+static unsigned long cpg_sd_clock_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct sd_clock *clock = to_sd_clock(hw);
+ unsigned long rate = parent_rate;
+ u32 val, sd_fc;
+ unsigned int i;
+
+ val = clk_readl(clock->reg);
+
+ sd_fc = val & CPG_SD_FC_MASK;
+ for (i = 0; i < clock->div_num; i++)
+ if (sd_fc == (clock->div_table[i].val & CPG_SD_FC_MASK))
+ break;
+
+ if (i >= clock->div_num)
+ return -EINVAL;
+
+ return DIV_ROUND_CLOSEST(rate, clock->div_table[i].div);
+}
+
+static unsigned int cpg_sd_clock_calc_div(struct sd_clock *clock,
+ unsigned long rate,
+ unsigned long parent_rate)
+{
+ unsigned int div;
+
+ if (!rate)
+ rate = 1;
+
+ div = DIV_ROUND_CLOSEST(parent_rate, rate);
+
+ return clamp_t(unsigned int, div, clock->div_min, clock->div_max);
+}
+
+static long cpg_sd_clock_round_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long *parent_rate)
+{
+ struct sd_clock *clock = to_sd_clock(hw);
+ unsigned int div = cpg_sd_clock_calc_div(clock, rate, *parent_rate);
+
+ return DIV_ROUND_CLOSEST(*parent_rate, div);
+}
+
+static int cpg_sd_clock_set_rate(struct clk_hw *hw, unsigned long rate,
+ unsigned long parent_rate)
+{
+ struct sd_clock *clock = to_sd_clock(hw);
+ unsigned int div = cpg_sd_clock_calc_div(clock, rate, parent_rate);
+ u32 val;
+ unsigned int i;
+
+ for (i = 0; i < clock->div_num; i++)
+ if (div == clock->div_table[i].div)
+ break;
+
+ if (i >= clock->div_num)
+ return -EINVAL;
+
+ val = clk_readl(clock->reg);
+ val &= ~(CPG_SD_STP_MASK | CPG_SD_FC_MASK);
+ val |= clock->div_table[i].val & (CPG_SD_STP_MASK | CPG_SD_FC_MASK);
+ clk_writel(val, clock->reg);
+
+ return 0;
+}
+
+static const struct clk_ops cpg_sd_clock_ops = {
+ .enable = cpg_sd_clock_enable,
+ .disable = cpg_sd_clock_disable,
+ .is_enabled = cpg_sd_clock_is_enabled,
+ .recalc_rate = cpg_sd_clock_recalc_rate,
+ .round_rate = cpg_sd_clock_round_rate,
+ .set_rate = cpg_sd_clock_set_rate,
+};
+
+static struct clk * __init cpg_sd_clk_register(const struct cpg_core_clk *core,
+ void __iomem *base,
+ const char *parent_name)
+{
+ struct clk_init_data init;
+ struct sd_clock *clock;
+ struct clk *clk;
+ unsigned int i;
+
+ clock = kzalloc(sizeof(*clock), GFP_KERNEL);
+ if (!clock)
+ return ERR_PTR(-ENOMEM);
+
+ init.name = core->name;
+ init.ops = &cpg_sd_clock_ops;
+ init.flags = CLK_IS_BASIC | CLK_SET_RATE_PARENT;
+ init.parent_names = &parent_name;
+ init.num_parents = 1;
+
+ clock->reg = base + core->offset;
+ clock->hw.init = &init;
+ clock->div_table = cpg_sd_div_table;
+ clock->div_num = ARRAY_SIZE(cpg_sd_div_table);
+
+ clock->div_max = clock->div_table[0].div;
+ clock->div_min = clock->div_max;
+ for (i = 1; i < clock->div_num; i++) {
+ clock->div_max = max(clock->div_max, clock->div_table[i].div);
+ clock->div_min = min(clock->div_min, clock->div_table[i].div);
+ }
+
+ clk = clk_register(NULL, &clock->hw);
+ if (IS_ERR(clk))
+ kfree(clock);
+
+ return clk;
+}
#define CPG_PLL0CR 0x00d8
#define CPG_PLL2CR 0x002c
@@ -323,6 +575,9 @@ struct clk * __init r8a7795_cpg_clk_register(struct device *dev,
mult = (((value >> 24) & 0x7f) + 1) * 2;
break;
+ case CLK_TYPE_GEN3_SD:
+ return cpg_sd_clk_register(core, base, __clk_get_name(parent));
+
default:
return ERR_PTR(-EINVAL);
}
diff --git a/drivers/clk/shmobile/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c
index 9a4d888164bb..58e24b326a48 100644
--- a/drivers/clk/shmobile/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -348,6 +348,7 @@ static void __init cpg_mssr_register_mod_clk(const struct mssr_mod_clk *mod,
#else
dev_dbg(dev, "Ignoring MSTP %s to prevent disabling\n",
mod->name);
+ kfree(clock);
return;
#endif
}
@@ -568,7 +569,11 @@ static int __init cpg_mssr_probe(struct platform_device *pdev)
if (error)
return error;
- devm_add_action(dev, cpg_mssr_del_clk_provider, np);
+ error = devm_add_action_or_reset(dev,
+ cpg_mssr_del_clk_provider,
+ np);
+ if (error)
+ return error;
error = cpg_mssr_add_clk_domain(dev, info->core_pm_clks,
info->num_core_pm_clks);
diff --git a/drivers/clk/shmobile/renesas-cpg-mssr.h b/drivers/clk/renesas/renesas-cpg-mssr.h
index e09f03cbf086..952b6957233b 100644
--- a/drivers/clk/shmobile/renesas-cpg-mssr.h
+++ b/drivers/clk/renesas/renesas-cpg-mssr.h
@@ -53,6 +53,8 @@ enum clk_types {
DEF_BASE(_name, _id, CLK_TYPE_FF, _parent, .div = _div, .mult = _mult)
#define DEF_DIV6P1(_name, _id, _parent, _offset) \
DEF_BASE(_name, _id, CLK_TYPE_DIV6P1, _parent, .offset = _offset)
+#define DEF_SD(_name, _id, _parent, _offset) \
+ DEF_BASE(_name, _id, CLK_TYPE_GEN3_SD, _parent, .offset = _offset)
/*
diff --git a/drivers/clk/rockchip/clk-cpu.c b/drivers/clk/rockchip/clk-cpu.c
index d07374f48caf..4e73ed5cab58 100644
--- a/drivers/clk/rockchip/clk-cpu.c
+++ b/drivers/clk/rockchip/clk-cpu.c
@@ -116,7 +116,7 @@ static void rockchip_cpuclk_set_dividers(struct rockchip_cpuclk *cpuclk,
pr_debug("%s: setting reg 0x%x to 0x%x\n",
__func__, clksel->reg, clksel->val);
- writel(clksel->val , cpuclk->reg_base + clksel->reg);
+ writel(clksel->val, cpuclk->reg_base + clksel->reg);
}
}
@@ -290,14 +290,14 @@ struct clk *rockchip_clk_register_cpuclk(const char *name,
pr_err("%s: could not lookup parent clock %s\n",
__func__, parent_names[0]);
ret = -EINVAL;
- goto free_cpuclk;
+ goto free_alt_parent;
}
ret = clk_notifier_register(clk, &cpuclk->clk_nb);
if (ret) {
pr_err("%s: failed to register clock notifier for %s\n",
__func__, name);
- goto free_cpuclk;
+ goto free_alt_parent;
}
if (nrates > 0) {
@@ -326,6 +326,8 @@ free_rate_table:
kfree(cpuclk->rate_table);
unregister_notifier:
clk_notifier_unregister(clk, &cpuclk->clk_nb);
+free_alt_parent:
+ clk_disable_unprepare(cpuclk->alt_parent);
free_cpuclk:
kfree(cpuclk);
return ERR_PTR(ret);
diff --git a/drivers/clk/rockchip/clk-inverter.c b/drivers/clk/rockchip/clk-inverter.c
index 7cbf43beb3c6..dcb6e37f3da1 100644
--- a/drivers/clk/rockchip/clk-inverter.c
+++ b/drivers/clk/rockchip/clk-inverter.c
@@ -90,7 +90,7 @@ struct clk *rockchip_clk_register_inverter(const char *name,
inv_clock = kmalloc(sizeof(*inv_clock), GFP_KERNEL);
if (!inv_clock)
- return NULL;
+ return ERR_PTR(-ENOMEM);
init.name = name;
init.num_parents = num_parents;
@@ -106,11 +106,7 @@ struct clk *rockchip_clk_register_inverter(const char *name,
clk = clk_register(NULL, &inv_clock->hw);
if (IS_ERR(clk))
- goto err_free;
+ kfree(inv_clock);
return clk;
-
-err_free:
- kfree(inv_clock);
- return NULL;
}
diff --git a/drivers/clk/rockchip/clk-mmc-phase.c b/drivers/clk/rockchip/clk-mmc-phase.c
index 2685644826a0..e0dc7e83403a 100644
--- a/drivers/clk/rockchip/clk-mmc-phase.c
+++ b/drivers/clk/rockchip/clk-mmc-phase.c
@@ -150,7 +150,7 @@ struct clk *rockchip_clk_register_mmc(const char *name,
mmc_clock = kmalloc(sizeof(*mmc_clock), GFP_KERNEL);
if (!mmc_clock)
- return NULL;
+ return ERR_PTR(-ENOMEM);
init.name = name;
init.num_parents = num_parents;
@@ -172,11 +172,7 @@ struct clk *rockchip_clk_register_mmc(const char *name,
clk = clk_register(NULL, &mmc_clock->hw);
if (IS_ERR(clk))
- goto err_free;
+ kfree(mmc_clock);
return clk;
-
-err_free:
- kfree(mmc_clock);
- return NULL;
}
diff --git a/drivers/clk/rockchip/clk-pll.c b/drivers/clk/rockchip/clk-pll.c
index b7e66c9dd9f2..5de797e34d54 100644
--- a/drivers/clk/rockchip/clk-pll.c
+++ b/drivers/clk/rockchip/clk-pll.c
@@ -94,6 +94,11 @@ static int rockchip_pll_wait_lock(struct rockchip_clk_pll *pll)
unsigned int val;
int delay = 24000000, ret;
+ if (IS_ERR(grf)) {
+ pr_err("%s: grf regmap not available\n", __func__);
+ return PTR_ERR(grf);
+ }
+
while (delay > 0) {
ret = regmap_read(grf, pll->lock_offset, &val);
if (ret) {
diff --git a/drivers/clk/rockchip/clk-rk3036.c b/drivers/clk/rockchip/clk-rk3036.c
index 53e9c39f5103..7cdb2d61f3e0 100644
--- a/drivers/clk/rockchip/clk-rk3036.c
+++ b/drivers/clk/rockchip/clk-rk3036.c
@@ -177,6 +177,8 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = {
GATE(0, "gpll_armclk", "gpll", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(0), 6, GFLAGS),
+ FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
+
/*
* Clock-Architecture Diagram 2
*/
@@ -187,6 +189,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = {
RK2928_CLKGATE_CON(0), 8, GFLAGS),
COMPOSITE_NOGATE(0, "ddrphy2x", mux_ddrphy_p, CLK_IGNORE_UNUSED,
RK2928_CLKSEL_CON(26), 8, 1, MFLAGS, 0, 2, DFLAGS | CLK_DIVIDER_POWER_OF_TWO),
+ FACTOR(0, "ddrphy", "ddrphy2x", 0, 1, 2),
COMPOSITE_NOMUX(0, "pclk_dbg", "armclk", CLK_IGNORE_UNUSED,
RK2928_CLKSEL_CON(1), 0, 4, DFLAGS | CLK_DIVIDER_READ_ONLY,
@@ -263,6 +266,8 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = {
COMPOSITE(0, "aclk_vcodec", mux_pll_src_3plls_p, 0,
RK2928_CLKSEL_CON(32), 14, 2, MFLAGS, 8, 5, DFLAGS,
RK2928_CLKGATE_CON(3), 11, GFLAGS),
+ FACTOR_GATE(HCLK_VCODEC, "hclk_vcodec", "aclk_vcodec", 0, 1, 4,
+ RK2928_CLKGATE_CON(3), 12, GFLAGS),
COMPOSITE(0, "aclk_hvec", mux_pll_src_3plls_p, 0,
RK2928_CLKSEL_CON(20), 0, 2, MFLAGS, 2, 5, DFLAGS,
@@ -351,6 +356,7 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = {
COMPOSITE_NOMUX(SCLK_MAC, "mac_clk", "mac_clk_ref", 0,
RK2928_CLKSEL_CON(21), 4, 5, DFLAGS,
RK2928_CLKGATE_CON(2), 6, GFLAGS),
+ FACTOR(0, "sclk_macref_out", "hclk_peri_src", 0, 1, 2),
MUX(SCLK_HDMI, "dclk_hdmi", mux_dclk_p, 0,
RK2928_CLKSEL_CON(31), 0, 1, MFLAGS),
@@ -376,11 +382,9 @@ static struct rockchip_clk_branch rk3036_clk_branches[] __initdata = {
GATE(ACLK_VIO, "aclk_vio", "aclk_disp1_pre", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 13, GFLAGS),
GATE(ACLK_LCDC, "aclk_lcdc", "aclk_disp1_pre", 0, RK2928_CLKGATE_CON(9), 6, GFLAGS),
- GATE(HCLK_VIO_BUS, "hclk_vio_bus", "hclk_disp_pre", 0, RK2928_CLKGATE_CON(6), 12, GFLAGS),
+ GATE(HCLK_VIO_BUS, "hclk_vio_bus", "hclk_disp_pre", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(6), 12, GFLAGS),
GATE(HCLK_LCDC, "hclk_lcdc", "hclk_disp_pre", 0, RK2928_CLKGATE_CON(9), 5, GFLAGS),
- /* hclk_video gates */
- GATE(HCLK_VCODEC, "hclk_vcodec", "hclk_disp_pre", 0, RK2928_CLKGATE_CON(3), 12, GFLAGS),
/* xin24m gates */
GATE(SCLK_PVTM_CORE, "sclk_pvtm_core", "xin24m", 0, RK2928_CLKGATE_CON(10), 0, GFLAGS),
@@ -444,34 +448,11 @@ static void __init rk3036_clk_init(struct device_node *np)
rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
- /* xin12m is created by an cru-internal divider */
- clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock xin12m: %ld\n",
- __func__, PTR_ERR(clk));
-
clk = clk_register_fixed_factor(NULL, "usb480m", "xin24m", 0, 20, 1);
if (IS_ERR(clk))
pr_warn("%s: could not register clock usb480m: %ld\n",
__func__, PTR_ERR(clk));
- clk = clk_register_fixed_factor(NULL, "ddrphy", "ddrphy2x", 0, 1, 2);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock ddrphy: %ld\n",
- __func__, PTR_ERR(clk));
-
- clk = clk_register_fixed_factor(NULL, "hclk_vcodec_pre",
- "aclk_vcodec", 0, 1, 4);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock hclk_vcodec_pre: %ld\n",
- __func__, PTR_ERR(clk));
-
- clk = clk_register_fixed_factor(NULL, "sclk_macref_out",
- "hclk_peri_src", 0, 1, 2);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock sclk_macref_out: %ld\n",
- __func__, PTR_ERR(clk));
-
rockchip_clk_register_plls(rk3036_pll_clks,
ARRAY_SIZE(rk3036_pll_clks),
RK3036_GRF_SOC_STATUS0);
diff --git a/drivers/clk/rockchip/clk-rk3188.c b/drivers/clk/rockchip/clk-rk3188.c
index 7f7444cbf6fc..40bab3901491 100644
--- a/drivers/clk/rockchip/clk-rk3188.c
+++ b/drivers/clk/rockchip/clk-rk3188.c
@@ -339,13 +339,15 @@ static struct rockchip_clk_branch common_clk_branches[] __initdata = {
INVERTER(0, "pclk_cif0", "pclkin_cif0",
RK2928_CLKSEL_CON(30), 8, IFLAGS),
+ FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
+
/*
* the 480m are generated inside the usb block from these clocks,
* but they are also a source for the hsicphy clock.
*/
- GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", CLK_IGNORE_UNUSED,
+ GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin24m", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(1), 5, GFLAGS),
- GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", CLK_IGNORE_UNUSED,
+ GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin24m", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(1), 6, GFLAGS),
COMPOSITE(0, "mac_src", mux_mac_p, 0,
@@ -605,7 +607,7 @@ static struct rockchip_clk_branch rk3066a_clk_branches[] __initdata = {
GATE(SCLK_TIMER2, "timer2", "xin24m", 0,
RK2928_CLKGATE_CON(3), 2, GFLAGS),
- COMPOSITE_NOMUX(0, "sclk_tsadc", "xin24m", 0,
+ COMPOSITE_NOMUX(SCLK_TSADC, "sclk_tsadc", "xin24m", 0,
RK2928_CLKSEL_CON(34), 0, 16, DFLAGS,
RK2928_CLKGATE_CON(2), 15, GFLAGS),
@@ -662,11 +664,11 @@ static struct clk_div_table div_rk3188_aclk_core_t[] = {
{ /* sentinel */ },
};
-PNAME(mux_hsicphy_p) = { "sclk_otgphy0", "sclk_otgphy1",
+PNAME(mux_hsicphy_p) = { "sclk_otgphy0_480m", "sclk_otgphy1_480m",
"gpll", "cpll" };
static struct rockchip_clk_branch rk3188_i2s0_fracmux __initdata =
- MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, 0,
+ MUX(SCLK_I2S0, "sclk_i2s0", mux_sclk_i2s0_p, CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(3), 8, 2, MFLAGS);
static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
@@ -722,7 +724,7 @@ static struct rockchip_clk_branch rk3188_clk_branches[] __initdata = {
COMPOSITE_NOMUX(0, "i2s0_pre", "i2s_src", 0,
RK2928_CLKSEL_CON(3), 0, 7, DFLAGS,
RK2928_CLKGATE_CON(0), 9, GFLAGS),
- COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", 0,
+ COMPOSITE_FRACMUX(0, "i2s0_frac", "i2s0_pre", CLK_SET_RATE_PARENT,
RK2928_CLKSEL_CON(7), 0,
RK2928_CLKGATE_CON(0), 10, GFLAGS,
&rk3188_i2s0_fracmux),
@@ -748,12 +750,12 @@ static const char *const rk3188_critical_clocks[] __initconst = {
"hclk_peri",
"pclk_cpu",
"pclk_peri",
+ "hclk_cpubus"
};
static void __init rk3188_common_clk_init(struct device_node *np)
{
void __iomem *reg_base;
- struct clk *clk;
reg_base = of_iomap(np, 0);
if (!reg_base) {
@@ -763,17 +765,6 @@ static void __init rk3188_common_clk_init(struct device_node *np)
rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
- /* xin12m is created by an cru-internal divider */
- clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock xin12m: %ld\n",
- __func__, PTR_ERR(clk));
-
- clk = clk_register_fixed_factor(NULL, "usb480m", "xin24m", 0, 20, 1);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock usb480m: %ld\n",
- __func__, PTR_ERR(clk));
-
rockchip_clk_register_branches(common_clk_branches,
ARRAY_SIZE(common_clk_branches));
diff --git a/drivers/clk/rockchip/clk-rk3228.c b/drivers/clk/rockchip/clk-rk3228.c
index 981a50205339..7702d2855e9c 100644
--- a/drivers/clk/rockchip/clk-rk3228.c
+++ b/drivers/clk/rockchip/clk-rk3228.c
@@ -187,7 +187,7 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
RK2928_CLKGATE_CON(7), 1, GFLAGS),
GATE(0, "ddrc", "ddrphy_pre", CLK_IGNORE_UNUSED,
RK2928_CLKGATE_CON(8), 5, GFLAGS),
- GATE(0, "ddrphy", "ddrphy_pre", CLK_IGNORE_UNUSED,
+ FACTOR_GATE(0, "ddrphy", "ddrphy4x", CLK_IGNORE_UNUSED, 1, 4,
RK2928_CLKGATE_CON(7), 0, GFLAGS),
/* PD_CORE */
@@ -240,13 +240,13 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
COMPOSITE(0, "aclk_vpu_pre", mux_pll_src_4plls_p, 0,
RK2928_CLKSEL_CON(32), 5, 2, MFLAGS, 0, 5, DFLAGS,
RK2928_CLKGATE_CON(3), 11, GFLAGS),
- GATE(0, "hclk_vpu_src", "aclk_vpu_pre", 0,
+ FACTOR_GATE(0, "hclk_vpu_pre", "aclk_vpu_pre", 0, 1, 4,
RK2928_CLKGATE_CON(4), 4, GFLAGS),
COMPOSITE(0, "aclk_rkvdec_pre", mux_pll_src_4plls_p, 0,
RK2928_CLKSEL_CON(28), 6, 2, MFLAGS, 0, 5, DFLAGS,
RK2928_CLKGATE_CON(3), 2, GFLAGS),
- GATE(0, "hclk_rkvdec_src", "aclk_rkvdec_pre", 0,
+ FACTOR_GATE(0, "hclk_rkvdec_pre", "aclk_rkvdec_pre", 0, 1, 4,
RK2928_CLKGATE_CON(4), 5, GFLAGS),
COMPOSITE(0, "sclk_vdec_cabac", mux_pll_src_4plls_p, 0,
@@ -285,7 +285,7 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
RK2928_CLKSEL_CON(23), 14, 2, MFLAGS, 8, 6, DFLAGS,
RK2928_CLKGATE_CON(3), 5, GFLAGS),
- GATE(0, "sclk_hdmi_hdcp", "xin24m", 0,
+ GATE(SCLK_HDMI_HDCP, "sclk_hdmi_hdcp", "xin24m", 0,
RK2928_CLKGATE_CON(3), 7, GFLAGS),
COMPOSITE(0, "sclk_hdmi_cec", mux_sclk_hdmi_cec_p, 0,
@@ -364,13 +364,15 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
RK2928_CLKGATE_CON(3), 1, GFLAGS),
MUX(0, "sclk_vop_src", mux_sclk_vop_src_p, 0,
RK2928_CLKSEL_CON(27), 0, 1, MFLAGS),
- DIV(0, "dclk_hdmiphy", "sclk_vop_src", 0,
+ DIV(DCLK_HDMI_PHY, "dclk_hdmiphy", "sclk_vop_src", 0,
RK2928_CLKSEL_CON(29), 0, 3, DFLAGS),
DIV(0, "sclk_vop_pre", "sclk_vop_src", 0,
RK2928_CLKSEL_CON(27), 8, 8, DFLAGS),
- MUX(0, "dclk_vop", mux_dclk_vop_p, 0,
+ MUX(DCLK_VOP, "dclk_vop", mux_dclk_vop_p, 0,
RK2928_CLKSEL_CON(27), 1, 1, MFLAGS),
+ FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
+
COMPOSITE(0, "i2s0_src", mux_pll_src_2plls_p, 0,
RK2928_CLKSEL_CON(9), 15, 1, MFLAGS, 0, 7, DFLAGS,
RK2928_CLKGATE_CON(0), 3, GFLAGS),
@@ -422,7 +424,7 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
GATE(0, "sclk_otgphy1", "xin24m", 0,
RK2928_CLKGATE_CON(1), 6, GFLAGS),
- COMPOSITE_NOMUX(0, "sclk_tsadc", "xin24m", 0,
+ COMPOSITE_NOMUX(SCLK_TSADC, "sclk_tsadc", "xin24m", 0,
RK2928_CLKSEL_CON(24), 6, 10, DFLAGS,
RK2928_CLKGATE_CON(2), 8, GFLAGS),
@@ -503,7 +505,7 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
GATE(0, "aclk_iep", "aclk_iep_pre", 0, RK2928_CLKGATE_CON(13), 2, GFLAGS),
GATE(0, "aclk_iep_noc", "aclk_iep_pre", 0, RK2928_CLKGATE_CON(13), 9, GFLAGS),
- GATE(0, "aclk_vop", "aclk_vop_pre", 0, RK2928_CLKGATE_CON(13), 5, GFLAGS),
+ GATE(ACLK_VOP, "aclk_vop", "aclk_vop_pre", 0, RK2928_CLKGATE_CON(13), 5, GFLAGS),
GATE(0, "aclk_vop_noc", "aclk_vop_pre", 0, RK2928_CLKGATE_CON(13), 12, GFLAGS),
GATE(0, "aclk_hdcp", "aclk_hdcp_pre", 0, RK2928_CLKGATE_CON(14), 10, GFLAGS),
@@ -511,13 +513,13 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
GATE(0, "hclk_rga", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(13), 1, GFLAGS),
GATE(0, "hclk_iep", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(13), 3, GFLAGS),
- GATE(0, "hclk_vop", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(13), 6, GFLAGS),
+ GATE(HCLK_VOP, "hclk_vop", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(13), 6, GFLAGS),
GATE(0, "hclk_vio_ahb_arbi", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(13), 7, GFLAGS),
GATE(0, "hclk_vio_noc", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(13), 8, GFLAGS),
GATE(0, "hclk_vop_noc", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(13), 13, GFLAGS),
GATE(0, "hclk_vio_h2p", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(14), 7, GFLAGS),
GATE(0, "hclk_hdcp_mmu", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(14), 12, GFLAGS),
- GATE(0, "pclk_hdmi_ctrl", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(14), 6, GFLAGS),
+ GATE(PCLK_HDMI_CTRL, "pclk_hdmi_ctrl", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(14), 6, GFLAGS),
GATE(0, "pclk_vio_h2p", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(14), 8, GFLAGS),
GATE(0, "pclk_hdcp", "hclk_vio_pre", 0, RK2928_CLKGATE_CON(14), 11, GFLAGS),
@@ -582,7 +584,7 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
GATE(PCLK_UART0, "pclk_uart0", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 12, GFLAGS),
GATE(PCLK_UART1, "pclk_uart1", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 13, GFLAGS),
GATE(PCLK_UART2, "pclk_uart2", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 14, GFLAGS),
- GATE(0, "pclk_tsadc", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 15, GFLAGS),
+ GATE(PCLK_TSADC, "pclk_tsadc", "pclk_cpu", 0, RK2928_CLKGATE_CON(9), 15, GFLAGS),
GATE(PCLK_GRF, "pclk_grf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(10), 0, GFLAGS),
GATE(0, "pclk_cru", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(10), 1, GFLAGS),
GATE(0, "pclk_sgrf", "pclk_cpu", CLK_IGNORE_UNUSED, RK2928_CLKGATE_CON(10), 2, GFLAGS),
@@ -590,7 +592,7 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
GATE(0, "pclk_ddrphy", "pclk_phy_pre", 0, RK2928_CLKGATE_CON(10), 3, GFLAGS),
GATE(0, "pclk_acodecphy", "pclk_phy_pre", 0, RK2928_CLKGATE_CON(10), 5, GFLAGS),
- GATE(0, "pclk_hdmiphy", "pclk_phy_pre", 0, RK2928_CLKGATE_CON(10), 7, GFLAGS),
+ GATE(PCLK_HDMI_PHY, "pclk_hdmiphy", "pclk_phy_pre", 0, RK2928_CLKGATE_CON(10), 7, GFLAGS),
GATE(0, "pclk_vdacphy", "pclk_phy_pre", 0, RK2928_CLKGATE_CON(10), 8, GFLAGS),
GATE(0, "pclk_phy_noc", "pclk_phy_pre", 0, RK2928_CLKGATE_CON(10), 9, GFLAGS),
@@ -605,13 +607,13 @@ static struct rockchip_clk_branch rk3228_clk_branches[] __initdata = {
/* PD_MMC */
MMC(SCLK_SDMMC_DRV, "sdmmc_drv", "sclk_sdmmc", RK3228_SDMMC_CON0, 1),
- MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3228_SDMMC_CON1, 1),
+ MMC(SCLK_SDMMC_SAMPLE, "sdmmc_sample", "sclk_sdmmc", RK3228_SDMMC_CON1, 0),
MMC(SCLK_SDIO_DRV, "sdio_drv", "sclk_sdio", RK3228_SDIO_CON0, 1),
- MMC(SCLK_SDIO_SAMPLE, "sdio_sample", "sclk_sdio", RK3228_SDIO_CON1, 1),
+ MMC(SCLK_SDIO_SAMPLE, "sdio_sample", "sclk_sdio", RK3228_SDIO_CON1, 0),
MMC(SCLK_EMMC_DRV, "emmc_drv", "sclk_emmc", RK3228_EMMC_CON0, 1),
- MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", RK3228_EMMC_CON1, 1),
+ MMC(SCLK_EMMC_SAMPLE, "emmc_sample", "sclk_emmc", RK3228_EMMC_CON1, 0),
};
static const char *const rk3228_critical_clocks[] __initconst = {
@@ -624,7 +626,6 @@ static const char *const rk3228_critical_clocks[] __initconst = {
static void __init rk3228_clk_init(struct device_node *np)
{
void __iomem *reg_base;
- struct clk *clk;
reg_base = of_iomap(np, 0);
if (!reg_base) {
@@ -634,29 +635,6 @@ static void __init rk3228_clk_init(struct device_node *np)
rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
- /* xin12m is created by an cru-internal divider */
- clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock xin12m: %ld\n",
- __func__, PTR_ERR(clk));
-
- clk = clk_register_fixed_factor(NULL, "ddrphy_pre", "ddrphy4x", 0, 1, 4);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock ddrphy_pre: %ld\n",
- __func__, PTR_ERR(clk));
-
- clk = clk_register_fixed_factor(NULL, "hclk_vpu_pre",
- "hclk_vpu_src", 0, 1, 4);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock hclk_vpu_pre: %ld\n",
- __func__, PTR_ERR(clk));
-
- clk = clk_register_fixed_factor(NULL, "hclk_rkvdec_pre",
- "hclk_rkvdec_src", 0, 1, 4);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock hclk_rkvdec_pre: %ld\n",
- __func__, PTR_ERR(clk));
-
rockchip_clk_register_plls(rk3228_pll_clks,
ARRAY_SIZE(rk3228_pll_clks),
RK3228_GRF_SOC_STATUS0);
diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c
index 984fc187d12e..3cb72163a512 100644
--- a/drivers/clk/rockchip/clk-rk3288.c
+++ b/drivers/clk/rockchip/clk-rk3288.c
@@ -195,8 +195,8 @@ PNAME(mux_hsadcout_p) = { "hsadc_src", "ext_hsadc" };
PNAME(mux_edp_24m_p) = { "ext_edp_24m", "xin24m" };
PNAME(mux_tspout_p) = { "cpll", "gpll", "npll", "xin27m" };
-PNAME(mux_usbphy480m_p) = { "sclk_otgphy1", "sclk_otgphy2",
- "sclk_otgphy0" };
+PNAME(mux_usbphy480m_p) = { "sclk_otgphy1_480m", "sclk_otgphy2_480m",
+ "sclk_otgphy0_480m" };
PNAME(mux_hsicphy480m_p) = { "cpll", "gpll", "usbphy480m_src" };
PNAME(mux_hsicphy12m_p) = { "hsicphy12m_xin12m", "hsicphy12m_usbphy" };
@@ -333,6 +333,8 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
GATE(0, "aclk_bus_2pmu", "aclk_cpu_pre", CLK_IGNORE_UNUSED,
RK3288_CLKGATE_CON(0), 7, GFLAGS),
+ FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
+
COMPOSITE(0, "i2s_src", mux_pll_src_cpll_gpll_p, 0,
RK3288_CLKSEL_CON(4), 15, 1, MFLAGS, 0, 7, DFLAGS,
RK3288_CLKGATE_CON(4), 1, GFLAGS),
@@ -399,12 +401,10 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
*/
GATE(ACLK_VCODEC, "aclk_vcodec", "aclk_vdpu", 0,
RK3288_CLKGATE_CON(9), 0, GFLAGS),
- /*
- * We introduce a virtul node of hclk_vodec_pre_v to split one clock
- * struct with a gate and a fix divider into two node in software.
- */
- GATE(0, "hclk_vcodec_pre_v", "aclk_vdpu", 0,
+
+ FACTOR_GATE(0, "hclk_vcodec_pre", "aclk_vdpu", 0, 1, 4,
RK3288_CLKGATE_CON(3), 10, GFLAGS),
+
GATE(HCLK_VCODEC, "hclk_vcodec", "hclk_vcodec_pre", 0,
RK3288_CLKGATE_CON(9), 1, GFLAGS),
@@ -537,11 +537,11 @@ static struct rockchip_clk_branch rk3288_clk_branches[] __initdata = {
RK3288_CLKSEL_CON(35), 6, 2, MFLAGS, 0, 5, DFLAGS,
RK3288_CLKGATE_CON(4), 10, GFLAGS),
- GATE(SCLK_OTGPHY0, "sclk_otgphy0", "usb480m", CLK_IGNORE_UNUSED,
+ GATE(SCLK_OTGPHY0, "sclk_otgphy0", "xin24m", CLK_IGNORE_UNUSED,
RK3288_CLKGATE_CON(13), 4, GFLAGS),
- GATE(SCLK_OTGPHY1, "sclk_otgphy1", "usb480m", CLK_IGNORE_UNUSED,
+ GATE(SCLK_OTGPHY1, "sclk_otgphy1", "xin24m", CLK_IGNORE_UNUSED,
RK3288_CLKGATE_CON(13), 5, GFLAGS),
- GATE(SCLK_OTGPHY2, "sclk_otgphy2", "usb480m", CLK_IGNORE_UNUSED,
+ GATE(SCLK_OTGPHY2, "sclk_otgphy2", "xin24m", CLK_IGNORE_UNUSED,
RK3288_CLKGATE_CON(13), 6, GFLAGS),
GATE(SCLK_OTG_ADP, "sclk_otg_adp", "xin32k", CLK_IGNORE_UNUSED,
RK3288_CLKGATE_CON(13), 7, GFLAGS),
@@ -888,24 +888,6 @@ static void __init rk3288_clk_init(struct device_node *np)
rockchip_clk_init(np, rk3288_cru_base, CLK_NR_CLKS);
- /* xin12m is created by an cru-internal divider */
- clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock xin12m: %ld\n",
- __func__, PTR_ERR(clk));
-
-
- clk = clk_register_fixed_factor(NULL, "usb480m", "xin24m", 0, 20, 1);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock usb480m: %ld\n",
- __func__, PTR_ERR(clk));
-
- clk = clk_register_fixed_factor(NULL, "hclk_vcodec_pre",
- "hclk_vcodec_pre_v", 0, 1, 4);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock hclk_vcodec_pre: %ld\n",
- __func__, PTR_ERR(clk));
-
/* Watchdog pclk is controlled by RK3288_SGRF_SOC_CON0[1]. */
clk = clk_register_fixed_factor(NULL, "pclk_wdt", "pclk_pd_alive", 0, 1, 1);
if (IS_ERR(clk))
diff --git a/drivers/clk/rockchip/clk-rk3368.c b/drivers/clk/rockchip/clk-rk3368.c
index 21f3ea909fab..a2bb12200465 100644
--- a/drivers/clk/rockchip/clk-rk3368.c
+++ b/drivers/clk/rockchip/clk-rk3368.c
@@ -121,7 +121,7 @@ PNAME(mux_i2s_2ch_p) = { "i2s_2ch_src", "i2s_2ch_frac",
"dummy", "xin12m" };
PNAME(mux_spdif_8ch_p) = { "spdif_8ch_pre", "spdif_8ch_frac",
"ext_i2s", "xin12m" };
-PNAME(mux_edp_24m_p) = { "dummy", "xin24m" };
+PNAME(mux_edp_24m_p) = { "xin24m", "dummy" };
PNAME(mux_vip_out_p) = { "vip_src", "xin24m" };
PNAME(mux_usbphy480m_p) = { "usbotg_out", "xin24m" };
PNAME(mux_hsic_usbphy480m_p) = { "usbotg_out", "dummy" };
@@ -165,7 +165,7 @@ static const struct rockchip_cpuclk_reg_data rk3368_cpuclkb_data = {
.core_reg = RK3368_CLKSEL_CON(0),
.div_core_shift = 0,
.div_core_mask = 0x1f,
- .mux_core_shift = 15,
+ .mux_core_shift = 7,
};
static const struct rockchip_cpuclk_reg_data rk3368_cpuclkl_data = {
@@ -218,36 +218,66 @@ static const struct rockchip_cpuclk_reg_data rk3368_cpuclkl_data = {
}
static struct rockchip_cpuclk_rate_table rk3368_cpuclkb_rates[] __initdata = {
- RK3368_CPUCLKB_RATE(1512000000, 2, 6, 6),
- RK3368_CPUCLKB_RATE(1488000000, 2, 5, 5),
- RK3368_CPUCLKB_RATE(1416000000, 2, 5, 5),
- RK3368_CPUCLKB_RATE(1200000000, 2, 4, 4),
- RK3368_CPUCLKB_RATE(1008000000, 2, 4, 4),
- RK3368_CPUCLKB_RATE( 816000000, 2, 3, 3),
- RK3368_CPUCLKB_RATE( 696000000, 2, 3, 3),
- RK3368_CPUCLKB_RATE( 600000000, 2, 2, 2),
- RK3368_CPUCLKB_RATE( 408000000, 2, 2, 2),
- RK3368_CPUCLKB_RATE( 312000000, 2, 2, 2),
+ RK3368_CPUCLKB_RATE(1512000000, 1, 5, 5),
+ RK3368_CPUCLKB_RATE(1488000000, 1, 4, 4),
+ RK3368_CPUCLKB_RATE(1416000000, 1, 4, 4),
+ RK3368_CPUCLKB_RATE(1200000000, 1, 3, 3),
+ RK3368_CPUCLKB_RATE(1008000000, 1, 3, 3),
+ RK3368_CPUCLKB_RATE( 816000000, 1, 2, 2),
+ RK3368_CPUCLKB_RATE( 696000000, 1, 2, 2),
+ RK3368_CPUCLKB_RATE( 600000000, 1, 1, 1),
+ RK3368_CPUCLKB_RATE( 408000000, 1, 1, 1),
+ RK3368_CPUCLKB_RATE( 312000000, 1, 1, 1),
};
static struct rockchip_cpuclk_rate_table rk3368_cpuclkl_rates[] __initdata = {
- RK3368_CPUCLKL_RATE(1512000000, 2, 7, 7),
- RK3368_CPUCLKL_RATE(1488000000, 2, 6, 6),
- RK3368_CPUCLKL_RATE(1416000000, 2, 6, 6),
- RK3368_CPUCLKL_RATE(1200000000, 2, 5, 5),
- RK3368_CPUCLKL_RATE(1008000000, 2, 5, 5),
- RK3368_CPUCLKL_RATE( 816000000, 2, 4, 4),
- RK3368_CPUCLKL_RATE( 696000000, 2, 3, 3),
- RK3368_CPUCLKL_RATE( 600000000, 2, 3, 3),
- RK3368_CPUCLKL_RATE( 408000000, 2, 2, 2),
- RK3368_CPUCLKL_RATE( 312000000, 2, 2, 2),
+ RK3368_CPUCLKL_RATE(1512000000, 1, 6, 6),
+ RK3368_CPUCLKL_RATE(1488000000, 1, 5, 5),
+ RK3368_CPUCLKL_RATE(1416000000, 1, 5, 5),
+ RK3368_CPUCLKL_RATE(1200000000, 1, 4, 4),
+ RK3368_CPUCLKL_RATE(1008000000, 1, 4, 4),
+ RK3368_CPUCLKL_RATE( 816000000, 1, 3, 3),
+ RK3368_CPUCLKL_RATE( 696000000, 1, 2, 2),
+ RK3368_CPUCLKL_RATE( 600000000, 1, 2, 2),
+ RK3368_CPUCLKL_RATE( 408000000, 1, 1, 1),
+ RK3368_CPUCLKL_RATE( 312000000, 1, 1, 1),
};
+static struct rockchip_clk_branch rk3368_i2s_8ch_fracmux __initdata =
+ MUX(0, "i2s_8ch_pre", mux_i2s_8ch_pre_p, CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(27), 8, 2, MFLAGS);
+
+static struct rockchip_clk_branch rk3368_spdif_8ch_fracmux __initdata =
+ MUX(0, "spdif_8ch_pre", mux_spdif_8ch_p, CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(31), 8, 2, MFLAGS);
+
+static struct rockchip_clk_branch rk3368_i2s_2ch_fracmux __initdata =
+ MUX(0, "i2s_2ch_pre", mux_i2s_2ch_p, CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(53), 8, 2, MFLAGS);
+
+static struct rockchip_clk_branch rk3368_uart0_fracmux __initdata =
+ MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(33), 8, 2, MFLAGS);
+
+static struct rockchip_clk_branch rk3368_uart1_fracmux __initdata =
+ MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(35), 8, 2, MFLAGS);
+
+static struct rockchip_clk_branch rk3368_uart3_fracmux __initdata =
+ MUX(SCLK_UART3, "sclk_uart3", mux_uart3_p, CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(39), 8, 2, MFLAGS);
+
+static struct rockchip_clk_branch rk3368_uart4_fracmux __initdata =
+ MUX(SCLK_UART4, "sclk_uart4", mux_uart4_p, CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(41), 8, 2, MFLAGS);
+
static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = {
/*
* Clock-Architecture Diagram 2
*/
+ FACTOR(0, "xin12m", "xin24m", 0, 1, 2),
+
MUX(SCLK_USBPHY480M, "usbphy_480m", mux_usbphy480m_p, CLK_SET_RATE_PARENT,
RK3368_CLKSEL_CON(13), 8, 1, MFLAGS),
@@ -299,7 +329,7 @@ static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = {
COMPOSITE_NOGATE_DIVTBL(0, "ddrphy_src", mux_ddrphy_p, CLK_IGNORE_UNUSED,
RK3368_CLKSEL_CON(13), 4, 1, MFLAGS, 0, 2, DFLAGS, div_ddrphy_t),
- GATE(0, "sclk_ddr", "ddrphy_div4", CLK_IGNORE_UNUSED,
+ FACTOR_GATE(0, "sclk_ddr", "ddrphy_src", CLK_IGNORE_UNUSED, 1, 4,
RK3368_CLKGATE_CON(6), 14, GFLAGS),
GATE(0, "sclk_ddr4x", "ddrphy_src", CLK_IGNORE_UNUSED,
RK3368_CLKGATE_CON(6), 15, GFLAGS),
@@ -337,11 +367,10 @@ static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = {
COMPOSITE(0, "i2s_8ch_src", mux_pll_src_cpll_gpll_p, 0,
RK3368_CLKSEL_CON(27), 12, 1, MFLAGS, 0, 7, DFLAGS,
RK3368_CLKGATE_CON(6), 1, GFLAGS),
- COMPOSITE_FRAC(0, "i2s_8ch_frac", "i2s_8ch_src", CLK_SET_RATE_PARENT,
- RK3368_CLKSEL_CON(28), 0,
- RK3368_CLKGATE_CON(6), 2, GFLAGS),
- MUX(0, "i2s_8ch_pre", mux_i2s_8ch_pre_p, CLK_SET_RATE_PARENT,
- RK3368_CLKSEL_CON(27), 8, 2, MFLAGS),
+ COMPOSITE_FRACMUX(0, "i2s_8ch_frac", "i2s_8ch_src", CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(28), 0,
+ RK3368_CLKGATE_CON(6), 2, GFLAGS,
+ &rk3368_i2s_8ch_fracmux),
COMPOSITE_NODIV(SCLK_I2S_8CH_OUT, "i2s_8ch_clkout", mux_i2s_8ch_clkout_p, 0,
RK3368_CLKSEL_CON(27), 15, 1, MFLAGS,
RK3368_CLKGATE_CON(6), 0, GFLAGS),
@@ -350,21 +379,21 @@ static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = {
COMPOSITE(0, "spdif_8ch_src", mux_pll_src_cpll_gpll_p, 0,
RK3368_CLKSEL_CON(31), 12, 1, MFLAGS, 0, 7, DFLAGS,
RK3368_CLKGATE_CON(6), 4, GFLAGS),
- COMPOSITE_FRAC(0, "spdif_8ch_frac", "spdif_8ch_src", CLK_SET_RATE_PARENT,
- RK3368_CLKSEL_CON(32), 0,
- RK3368_CLKGATE_CON(6), 5, GFLAGS),
- COMPOSITE_NODIV(SCLK_SPDIF_8CH, "sclk_spdif_8ch", mux_spdif_8ch_p, 0,
- RK3368_CLKSEL_CON(31), 8, 2, MFLAGS,
- RK3368_CLKGATE_CON(6), 6, GFLAGS),
+ COMPOSITE_FRACMUX(0, "spdif_8ch_frac", "spdif_8ch_src", CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(32), 0,
+ RK3368_CLKGATE_CON(6), 5, GFLAGS,
+ &rk3368_spdif_8ch_fracmux),
+ GATE(SCLK_SPDIF_8CH, "sclk_spdif_8ch", "spdif_8ch_pre", CLK_SET_RATE_PARENT,
+ RK3368_CLKGATE_CON(6), 6, GFLAGS),
COMPOSITE(0, "i2s_2ch_src", mux_pll_src_cpll_gpll_p, 0,
RK3368_CLKSEL_CON(53), 12, 1, MFLAGS, 0, 7, DFLAGS,
RK3368_CLKGATE_CON(5), 13, GFLAGS),
- COMPOSITE_FRAC(0, "i2s_2ch_frac", "i2s_2ch_src", CLK_SET_RATE_PARENT,
- RK3368_CLKSEL_CON(54), 0,
- RK3368_CLKGATE_CON(5), 14, GFLAGS),
- COMPOSITE_NODIV(SCLK_I2S_2CH, "sclk_i2s_2ch", mux_i2s_2ch_p, 0,
- RK3368_CLKSEL_CON(53), 8, 2, MFLAGS,
- RK3368_CLKGATE_CON(5), 15, GFLAGS),
+ COMPOSITE_FRACMUX(0, "i2s_2ch_frac", "i2s_2ch_src", CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(54), 0,
+ RK3368_CLKGATE_CON(5), 14, GFLAGS,
+ &rk3368_i2s_2ch_fracmux),
+ GATE(SCLK_I2S_2CH, "sclk_i2s_2ch", "i2s_2ch_pre", CLK_SET_RATE_PARENT,
+ RK3368_CLKGATE_CON(5), 15, GFLAGS),
COMPOSITE(0, "sclk_tsp", mux_pll_src_cpll_gpll_npll_p, 0,
RK3368_CLKSEL_CON(46), 6, 2, MFLAGS, 0, 5, DFLAGS,
@@ -384,18 +413,18 @@ static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = {
* Clock-Architecture Diagram 3
*/
- COMPOSITE(0, "aclk_vepu", mux_pll_src_cpll_gpll_usb_p, 0,
+ COMPOSITE(0, "aclk_vepu", mux_pll_src_cpll_gpll_npll_usb_p, 0,
RK3368_CLKSEL_CON(15), 6, 2, MFLAGS, 0, 5, DFLAGS,
RK3368_CLKGATE_CON(4), 6, GFLAGS),
- COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_usb_p, 0,
+ COMPOSITE(0, "aclk_vdpu", mux_pll_src_cpll_gpll_npll_usb_p, 0,
RK3368_CLKSEL_CON(15), 14, 2, MFLAGS, 8, 5, DFLAGS,
RK3368_CLKGATE_CON(4), 7, GFLAGS),
/*
- * We introduce a virtual node of hclk_vodec_pre_v to split one clock
- * struct with a gate and a fix divider into two node in software.
+ * We use aclk_vdpu by default ---GRF_SOC_CON0[7] setting in system,
+ * so we ignore the mux and make clocks nodes as following,
*/
- GATE(0, "hclk_video_pre_v", "aclk_vdpu", 0,
+ FACTOR_GATE(0, "hclk_video_pre", "aclk_vdpu", 0, 1, 4,
RK3368_CLKGATE_CON(4), 8, GFLAGS),
COMPOSITE(0, "sclk_hevc_cabac_src", mux_pll_src_cpll_gpll_npll_usb_p, 0,
@@ -442,7 +471,7 @@ static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = {
GATE(SCLK_HDMI_HDCP, "sclk_hdmi_hdcp", "xin24m", 0,
RK3368_CLKGATE_CON(4), 13, GFLAGS),
GATE(SCLK_HDMI_CEC, "sclk_hdmi_cec", "xin32k", 0,
- RK3368_CLKGATE_CON(5), 12, GFLAGS),
+ RK3368_CLKGATE_CON(4), 12, GFLAGS),
COMPOSITE_NODIV(0, "vip_src", mux_pll_src_cpll_gpll_p, 0,
RK3368_CLKSEL_CON(21), 15, 1, MFLAGS,
@@ -560,38 +589,34 @@ static struct rockchip_clk_branch rk3368_clk_branches[] __initdata = {
COMPOSITE(0, "uart0_src", mux_pll_src_cpll_gpll_usb_usb_p, 0,
RK3368_CLKSEL_CON(33), 12, 2, MFLAGS, 0, 7, DFLAGS,
RK3368_CLKGATE_CON(2), 0, GFLAGS),
- COMPOSITE_FRAC(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT,
- RK3368_CLKSEL_CON(34), 0,
- RK3368_CLKGATE_CON(2), 1, GFLAGS),
- MUX(SCLK_UART0, "sclk_uart0", mux_uart0_p, CLK_SET_RATE_PARENT,
- RK3368_CLKSEL_CON(33), 8, 2, MFLAGS),
+ COMPOSITE_FRACMUX(0, "uart0_frac", "uart0_src", CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(34), 0,
+ RK3368_CLKGATE_CON(2), 1, GFLAGS,
+ &rk3368_uart0_fracmux),
COMPOSITE_NOMUX(0, "uart1_src", "uart_src", 0,
RK3368_CLKSEL_CON(35), 0, 7, DFLAGS,
RK3368_CLKGATE_CON(2), 2, GFLAGS),
- COMPOSITE_FRAC(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT,
- RK3368_CLKSEL_CON(36), 0,
- RK3368_CLKGATE_CON(2), 3, GFLAGS),
- MUX(SCLK_UART1, "sclk_uart1", mux_uart1_p, CLK_SET_RATE_PARENT,
- RK3368_CLKSEL_CON(35), 8, 2, MFLAGS),
+ COMPOSITE_FRACMUX(0, "uart1_frac", "uart1_src", CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(36), 0,
+ RK3368_CLKGATE_CON(2), 3, GFLAGS,
+ &rk3368_uart1_fracmux),
COMPOSITE_NOMUX(0, "uart3_src", "uart_src", 0,
RK3368_CLKSEL_CON(39), 0, 7, DFLAGS,
RK3368_CLKGATE_CON(2), 6, GFLAGS),
- COMPOSITE_FRAC(0, "uart3_frac", "uart3_src", CLK_SET_RATE_PARENT,
- RK3368_CLKSEL_CON(40), 0,
- RK3368_CLKGATE_CON(2), 7, GFLAGS),
- MUX(SCLK_UART3, "sclk_uart3", mux_uart3_p, CLK_SET_RATE_PARENT,
- RK3368_CLKSEL_CON(39), 8, 2, MFLAGS),
+ COMPOSITE_FRACMUX(0, "uart3_frac", "uart3_src", CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(40), 0,
+ RK3368_CLKGATE_CON(2), 7, GFLAGS,
+ &rk3368_uart3_fracmux),
COMPOSITE_NOMUX(0, "uart4_src", "uart_src", 0,
RK3368_CLKSEL_CON(41), 0, 7, DFLAGS,
RK3368_CLKGATE_CON(2), 8, GFLAGS),
- COMPOSITE_FRAC(0, "uart4_frac", "uart4_src", CLK_SET_RATE_PARENT,
- RK3368_CLKSEL_CON(42), 0,
- RK3368_CLKGATE_CON(2), 9, GFLAGS),
- MUX(SCLK_UART4, "sclk_uart4", mux_uart4_p, CLK_SET_RATE_PARENT,
- RK3368_CLKSEL_CON(41), 8, 2, MFLAGS),
+ COMPOSITE_FRACMUX(0, "uart4_frac", "uart4_src", CLK_SET_RATE_PARENT,
+ RK3368_CLKSEL_CON(42), 0,
+ RK3368_CLKGATE_CON(2), 9, GFLAGS,
+ &rk3368_uart4_fracmux),
COMPOSITE(0, "mac_pll_src", mux_pll_src_npll_cpll_gpll_p, 0,
RK3368_CLKSEL_CON(43), 6, 2, MFLAGS, 0, 5, DFLAGS,
@@ -842,24 +867,6 @@ static void __init rk3368_clk_init(struct device_node *np)
rockchip_clk_init(np, reg_base, CLK_NR_CLKS);
- /* xin12m is created by a cru-internal divider */
- clk = clk_register_fixed_factor(NULL, "xin12m", "xin24m", 0, 1, 2);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock xin12m: %ld\n",
- __func__, PTR_ERR(clk));
-
- /* ddrphy_div4 is created by a cru-internal divider */
- clk = clk_register_fixed_factor(NULL, "ddrphy_div4", "ddrphy_src", 0, 1, 4);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock xin12m: %ld\n",
- __func__, PTR_ERR(clk));
-
- clk = clk_register_fixed_factor(NULL, "hclk_video_pre",
- "hclk_video_pre_v", 0, 1, 4);
- if (IS_ERR(clk))
- pr_warn("%s: could not register clock hclk_vcodec_pre: %ld\n",
- __func__, PTR_ERR(clk));
-
/* Watchdog pclk is controlled by sgrf_soc_con3[7]. */
clk = clk_register_fixed_factor(NULL, "pclk_wdt", "pclk_pd_alive", 0, 1, 1);
if (IS_ERR(clk))
diff --git a/drivers/clk/rockchip/clk.c b/drivers/clk/rockchip/clk.c
index d9a0b5d4d47f..ec06350c78c4 100644
--- a/drivers/clk/rockchip/clk.c
+++ b/drivers/clk/rockchip/clk.c
@@ -70,7 +70,7 @@ static struct clk *rockchip_clk_register_branch(const char *name,
if (gate_offset >= 0) {
gate = kzalloc(sizeof(*gate), GFP_KERNEL);
if (!gate)
- return ERR_PTR(-ENOMEM);
+ goto err_gate;
gate->flags = gate_flags;
gate->reg = base + gate_offset;
@@ -82,7 +82,7 @@ static struct clk *rockchip_clk_register_branch(const char *name,
if (div_width > 0) {
div = kzalloc(sizeof(*div), GFP_KERNEL);
if (!div)
- return ERR_PTR(-ENOMEM);
+ goto err_div;
div->flags = div_flags;
div->reg = base + muxdiv_offset;
@@ -90,7 +90,9 @@ static struct clk *rockchip_clk_register_branch(const char *name,
div->width = div_width;
div->lock = lock;
div->table = div_table;
- div_ops = &clk_divider_ops;
+ div_ops = (div_flags & CLK_DIVIDER_READ_ONLY)
+ ? &clk_divider_ro_ops
+ : &clk_divider_ops;
}
clk = clk_register_composite(NULL, name, parent_names, num_parents,
@@ -100,6 +102,11 @@ static struct clk *rockchip_clk_register_branch(const char *name,
flags);
return clk;
+err_div:
+ kfree(gate);
+err_gate:
+ kfree(mux);
+ return ERR_PTR(-ENOMEM);
}
struct rockchip_clk_frac {
@@ -260,6 +267,53 @@ static struct clk *rockchip_clk_register_frac_branch(const char *name,
return clk;
}
+static struct clk *rockchip_clk_register_factor_branch(const char *name,
+ const char *const *parent_names, u8 num_parents,
+ void __iomem *base, unsigned int mult, unsigned int div,
+ int gate_offset, u8 gate_shift, u8 gate_flags,
+ unsigned long flags, spinlock_t *lock)
+{
+ struct clk *clk;
+ struct clk_gate *gate = NULL;
+ struct clk_fixed_factor *fix = NULL;
+
+ /* without gate, register a simple factor clock */
+ if (gate_offset == 0) {
+ return clk_register_fixed_factor(NULL, name,
+ parent_names[0], flags, mult,
+ div);
+ }
+
+ gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+ if (!gate)
+ return ERR_PTR(-ENOMEM);
+
+ gate->flags = gate_flags;
+ gate->reg = base + gate_offset;
+ gate->bit_idx = gate_shift;
+ gate->lock = lock;
+
+ fix = kzalloc(sizeof(*fix), GFP_KERNEL);
+ if (!fix) {
+ kfree(gate);
+ return ERR_PTR(-ENOMEM);
+ }
+
+ fix->mult = mult;
+ fix->div = div;
+
+ clk = clk_register_composite(NULL, name, parent_names, num_parents,
+ NULL, NULL,
+ &fix->hw, &clk_fixed_factor_ops,
+ &gate->hw, &clk_gate_ops, flags);
+ if (IS_ERR(clk)) {
+ kfree(fix);
+ kfree(gate);
+ }
+
+ return clk;
+}
+
static DEFINE_SPINLOCK(clk_lock);
static struct clk **clk_table;
static void __iomem *reg_base;
@@ -395,6 +449,14 @@ void __init rockchip_clk_register_branches(
reg_base + list->muxdiv_offset,
list->div_shift, list->div_flags, &clk_lock);
break;
+ case branch_factor:
+ clk = rockchip_clk_register_factor_branch(
+ list->name, list->parent_names,
+ list->num_parents, reg_base,
+ list->div_shift, list->div_width,
+ list->gate_offset, list->gate_shift,
+ list->gate_flags, flags, &clk_lock);
+ break;
}
/* none of the cases above matched */
diff --git a/drivers/clk/rockchip/clk.h b/drivers/clk/rockchip/clk.h
index ff8bd23a93ec..39c198bbcbee 100644
--- a/drivers/clk/rockchip/clk.h
+++ b/drivers/clk/rockchip/clk.h
@@ -254,6 +254,7 @@ enum rockchip_clk_branch_type {
branch_gate,
branch_mmc,
branch_inverter,
+ branch_factor,
};
struct rockchip_clk_branch {
@@ -508,6 +509,33 @@ struct rockchip_clk_branch {
.div_flags = if, \
}
+#define FACTOR(_id, cname, pname, f, fm, fd) \
+ { \
+ .id = _id, \
+ .branch_type = branch_factor, \
+ .name = cname, \
+ .parent_names = (const char *[]){ pname }, \
+ .num_parents = 1, \
+ .flags = f, \
+ .div_shift = fm, \
+ .div_width = fd, \
+ }
+
+#define FACTOR_GATE(_id, cname, pname, f, fm, fd, go, gb, gf) \
+ { \
+ .id = _id, \
+ .branch_type = branch_factor, \
+ .name = cname, \
+ .parent_names = (const char *[]){ pname }, \
+ .num_parents = 1, \
+ .flags = f, \
+ .div_shift = fm, \
+ .div_width = fd, \
+ .gate_offset = go, \
+ .gate_shift = gb, \
+ .gate_flags = gf, \
+ }
+
void rockchip_clk_init(struct device_node *np, void __iomem *base,
unsigned long nr_clks);
struct regmap *rockchip_clk_get_grf(void);
diff --git a/drivers/clk/samsung/Kconfig b/drivers/clk/samsung/Kconfig
index 84196ecdaa12..20c5fe92ab4a 100644
--- a/drivers/clk/samsung/Kconfig
+++ b/drivers/clk/samsung/Kconfig
@@ -1,9 +1,17 @@
+# Recent Exynos platforms should just select COMMON_CLK_SAMSUNG:
config COMMON_CLK_SAMSUNG
- bool
- select COMMON_CLK
+ bool "Samsung Exynos clock controller support" if COMPILE_TEST
+ # Clocks on ARM64 SoCs (e.g. Exynos5433, Exynos7) are chosen by
+ # EXYNOS_ARM64_COMMON_CLK to avoid building them on ARMv7:
+ select EXYNOS_ARM64_COMMON_CLK if ARM64 && ARCH_EXYNOS
+
+config EXYNOS_ARM64_COMMON_CLK
+ bool "Samsung Exynos ARMv8-family clock controller support" if COMPILE_TEST
+ depends on COMMON_CLK_SAMSUNG
+# For S3C24XX platforms, select following symbols:
config S3C2410_COMMON_CLK
- bool
+ bool "Samsung S3C2410 clock controller support" if COMPILE_TEST
select COMMON_CLK_SAMSUNG
help
Build the s3c2410 clock driver based on the common clock framework.
@@ -17,10 +25,9 @@ config S3C2410_COMMON_DCLK
framework.
config S3C2412_COMMON_CLK
- bool
+ bool "Samsung S3C2412 clock controller support" if COMPILE_TEST
select COMMON_CLK_SAMSUNG
config S3C2443_COMMON_CLK
- bool
+ bool "Samsung S3C2443 clock controller support" if COMPILE_TEST
select COMMON_CLK_SAMSUNG
-
diff --git a/drivers/clk/samsung/Makefile b/drivers/clk/samsung/Makefile
index 5f6833ea355d..fc367d4b2902 100644
--- a/drivers/clk/samsung/Makefile
+++ b/drivers/clk/samsung/Makefile
@@ -10,11 +10,11 @@ obj-$(CONFIG_SOC_EXYNOS5250) += clk-exynos5250.o
obj-$(CONFIG_SOC_EXYNOS5260) += clk-exynos5260.o
obj-$(CONFIG_SOC_EXYNOS5410) += clk-exynos5410.o
obj-$(CONFIG_SOC_EXYNOS5420) += clk-exynos5420.o
-obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos5433.o
+obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK) += clk-exynos5433.o
obj-$(CONFIG_SOC_EXYNOS5440) += clk-exynos5440.o
obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-audss.o
obj-$(CONFIG_ARCH_EXYNOS) += clk-exynos-clkout.o
-obj-$(CONFIG_ARCH_EXYNOS7) += clk-exynos7.o
+obj-$(CONFIG_EXYNOS_ARM64_COMMON_CLK) += clk-exynos7.o
obj-$(CONFIG_S3C2410_COMMON_CLK)+= clk-s3c2410.o
obj-$(CONFIG_S3C2410_COMMON_DCLK)+= clk-s3c2410-dclk.o
obj-$(CONFIG_S3C2412_COMMON_CLK)+= clk-s3c2412.o
diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c
index ac03e4fe2871..7b3d0f975987 100644
--- a/drivers/clk/samsung/clk-exynos4.c
+++ b/drivers/clk/samsung/clk-exynos4.c
@@ -500,19 +500,19 @@ PNAME(clkout_cpu_p4x12) = { "fout_apll_div_2", "none", "none", "none",
/* fixed rate clocks generated outside the soc */
static struct samsung_fixed_rate_clock exynos4_fixed_rate_ext_clks[] __initdata = {
- FRATE(CLK_XXTI, "xxti", NULL, CLK_IS_ROOT, 0),
- FRATE(CLK_XUSBXTI, "xusbxti", NULL, CLK_IS_ROOT, 0),
+ FRATE(CLK_XXTI, "xxti", NULL, 0, 0),
+ FRATE(CLK_XUSBXTI, "xusbxti", NULL, 0, 0),
};
/* fixed rate clocks generated inside the soc */
static struct samsung_fixed_rate_clock exynos4_fixed_rate_clks[] __initdata = {
- FRATE(0, "sclk_hdmi24m", NULL, CLK_IS_ROOT, 24000000),
+ FRATE(0, "sclk_hdmi24m", NULL, 0, 24000000),
FRATE(CLK_SCLK_HDMIPHY, "sclk_hdmiphy", "hdmi", 0, 27000000),
- FRATE(0, "sclk_usbphy0", NULL, CLK_IS_ROOT, 48000000),
+ FRATE(0, "sclk_usbphy0", NULL, 0, 48000000),
};
static struct samsung_fixed_rate_clock exynos4210_fixed_rate_clks[] __initdata = {
- FRATE(0, "sclk_usbphy1", NULL, CLK_IS_ROOT, 48000000),
+ FRATE(0, "sclk_usbphy1", NULL, 0, 48000000),
};
static struct samsung_fixed_factor_clock exynos4_fixed_factor_clks[] __initdata = {
@@ -1251,7 +1251,7 @@ static void __init exynos4_clk_register_finpll(struct samsung_clk_provider *ctx)
fclk.id = CLK_FIN_PLL;
fclk.name = "fin_pll";
fclk.parent_name = NULL;
- fclk.flags = CLK_IS_ROOT;
+ fclk.flags = 0;
fclk.fixed_rate = finpll_f;
samsung_clk_register_fixed_rate(ctx, &fclk, 1);
diff --git a/drivers/clk/samsung/clk-exynos4415.c b/drivers/clk/samsung/clk-exynos4415.c
index 92c39f6efec8..86ee06b226bd 100644
--- a/drivers/clk/samsung/clk-exynos4415.c
+++ b/drivers/clk/samsung/clk-exynos4415.c
@@ -274,7 +274,7 @@ static struct samsung_fixed_factor_clock exynos4415_fixed_factor_clks[] __initda
};
static struct samsung_fixed_rate_clock exynos4415_fixed_rate_clks[] __initdata = {
- FRATE(CLK_SCLK_HDMIPHY, "sclk_hdmiphy", NULL, CLK_IS_ROOT, 27000000),
+ FRATE(CLK_SCLK_HDMIPHY, "sclk_hdmiphy", NULL, 0, 27000000),
};
static struct samsung_mux_clock exynos4415_mux_clks[] __initdata = {
diff --git a/drivers/clk/samsung/clk-exynos5250.c b/drivers/clk/samsung/clk-exynos5250.c
index 5bebf8cb0d70..837197db4ffb 100644
--- a/drivers/clk/samsung/clk-exynos5250.c
+++ b/drivers/clk/samsung/clk-exynos5250.c
@@ -262,15 +262,15 @@ PNAME(mout_spdif_p) = { "sclk_audio0", "sclk_audio1", "sclk_audio2",
/* fixed rate clocks generated outside the soc */
static struct samsung_fixed_rate_clock exynos5250_fixed_rate_ext_clks[] __initdata = {
- FRATE(CLK_FIN_PLL, "fin_pll", NULL, CLK_IS_ROOT, 0),
+ FRATE(CLK_FIN_PLL, "fin_pll", NULL, 0, 0),
};
/* fixed rate clocks generated inside the soc */
static struct samsung_fixed_rate_clock exynos5250_fixed_rate_clks[] __initdata = {
- FRATE(CLK_SCLK_HDMIPHY, "sclk_hdmiphy", NULL, CLK_IS_ROOT, 24000000),
- FRATE(0, "sclk_hdmi27m", NULL, CLK_IS_ROOT, 27000000),
- FRATE(0, "sclk_dptxphy", NULL, CLK_IS_ROOT, 24000000),
- FRATE(0, "sclk_uhostphy", NULL, CLK_IS_ROOT, 48000000),
+ FRATE(CLK_SCLK_HDMIPHY, "sclk_hdmiphy", NULL, 0, 24000000),
+ FRATE(0, "sclk_hdmi27m", NULL, 0, 27000000),
+ FRATE(0, "sclk_dptxphy", NULL, 0, 24000000),
+ FRATE(0, "sclk_uhostphy", NULL, 0, 48000000),
};
static struct samsung_fixed_factor_clock exynos5250_fixed_factor_clks[] __initdata = {
diff --git a/drivers/clk/samsung/clk-exynos5260.c b/drivers/clk/samsung/clk-exynos5260.c
index d1a29f6c1084..7a7ed075a573 100644
--- a/drivers/clk/samsung/clk-exynos5260.c
+++ b/drivers/clk/samsung/clk-exynos5260.c
@@ -1432,42 +1432,38 @@ static unsigned long top_clk_regs[] __initdata = {
/* fixed rate clocks generated inside the soc */
static struct samsung_fixed_rate_clock fixed_rate_clks[] __initdata = {
FRATE(PHYCLK_DPTX_PHY_CH3_TXD_CLK, "phyclk_dptx_phy_ch3_txd_clk", NULL,
- CLK_IS_ROOT, 270000000),
+ 0, 270000000),
FRATE(PHYCLK_DPTX_PHY_CH2_TXD_CLK, "phyclk_dptx_phy_ch2_txd_clk", NULL,
- CLK_IS_ROOT, 270000000),
+ 0, 270000000),
FRATE(PHYCLK_DPTX_PHY_CH1_TXD_CLK, "phyclk_dptx_phy_ch1_txd_clk", NULL,
- CLK_IS_ROOT, 270000000),
+ 0, 270000000),
FRATE(PHYCLK_DPTX_PHY_CH0_TXD_CLK, "phyclk_dptx_phy_ch0_txd_clk", NULL,
- CLK_IS_ROOT, 270000000),
+ 0, 270000000),
FRATE(phyclk_hdmi_phy_tmds_clko, "phyclk_hdmi_phy_tmds_clko", NULL,
- CLK_IS_ROOT, 250000000),
+ 0, 250000000),
FRATE(PHYCLK_HDMI_PHY_PIXEL_CLKO, "phyclk_hdmi_phy_pixel_clko", NULL,
- CLK_IS_ROOT, 1660000000),
+ 0, 1660000000),
FRATE(PHYCLK_HDMI_LINK_O_TMDS_CLKHI, "phyclk_hdmi_link_o_tmds_clkhi",
- NULL, CLK_IS_ROOT, 125000000),
+ NULL, 0, 125000000),
FRATE(PHYCLK_MIPI_DPHY_4L_M_TXBYTECLKHS,
"phyclk_mipi_dphy_4l_m_txbyte_clkhs" , NULL,
- CLK_IS_ROOT, 187500000),
+ 0, 187500000),
FRATE(PHYCLK_DPTX_PHY_O_REF_CLK_24M, "phyclk_dptx_phy_o_ref_clk_24m",
- NULL, CLK_IS_ROOT, 24000000),
+ NULL, 0, 24000000),
FRATE(PHYCLK_DPTX_PHY_CLK_DIV2, "phyclk_dptx_phy_clk_div2", NULL,
- CLK_IS_ROOT, 135000000),
+ 0, 135000000),
FRATE(PHYCLK_MIPI_DPHY_4L_M_RXCLKESC0,
- "phyclk_mipi_dphy_4l_m_rxclkesc0", NULL,
- CLK_IS_ROOT, 20000000),
+ "phyclk_mipi_dphy_4l_m_rxclkesc0", NULL, 0, 20000000),
FRATE(PHYCLK_USBHOST20_PHY_PHYCLOCK, "phyclk_usbhost20_phy_phyclock",
- NULL, CLK_IS_ROOT, 60000000),
+ NULL, 0, 60000000),
FRATE(PHYCLK_USBHOST20_PHY_FREECLK, "phyclk_usbhost20_phy_freeclk",
- NULL, CLK_IS_ROOT, 60000000),
+ NULL, 0, 60000000),
FRATE(PHYCLK_USBHOST20_PHY_CLK48MOHCI,
- "phyclk_usbhost20_phy_clk48mohci",
- NULL, CLK_IS_ROOT, 48000000),
+ "phyclk_usbhost20_phy_clk48mohci", NULL, 0, 48000000),
FRATE(PHYCLK_USBDRD30_UDRD30_PIPE_PCLK,
- "phyclk_usbdrd30_udrd30_pipe_pclk", NULL,
- CLK_IS_ROOT, 125000000),
+ "phyclk_usbdrd30_udrd30_pipe_pclk", NULL, 0, 125000000),
FRATE(PHYCLK_USBDRD30_UDRD30_PHYCLOCK,
- "phyclk_usbdrd30_udrd30_phyclock", NULL,
- CLK_IS_ROOT, 60000000),
+ "phyclk_usbdrd30_udrd30_phyclock", NULL, 0, 60000000),
};
PNAME(mout_memtop_pll_user_p) = {"fin_pll", "dout_mem_pll"};
diff --git a/drivers/clk/samsung/clk-exynos5420.c b/drivers/clk/samsung/clk-exynos5420.c
index d048dedd8b72..be03ed0fcb6b 100644
--- a/drivers/clk/samsung/clk-exynos5420.c
+++ b/drivers/clk/samsung/clk-exynos5420.c
@@ -480,16 +480,16 @@ PNAME(mout_group15_5800_p) = { "dout_osc_div", "mout_sw_aclk550_cam" };
/* fixed rate clocks generated outside the soc */
static struct samsung_fixed_rate_clock
exynos5x_fixed_rate_ext_clks[] __initdata = {
- FRATE(CLK_FIN_PLL, "fin_pll", NULL, CLK_IS_ROOT, 0),
+ FRATE(CLK_FIN_PLL, "fin_pll", NULL, 0, 0),
};
/* fixed rate clocks generated inside the soc */
static struct samsung_fixed_rate_clock exynos5x_fixed_rate_clks[] __initdata = {
- FRATE(CLK_SCLK_HDMIPHY, "sclk_hdmiphy", NULL, CLK_IS_ROOT, 24000000),
- FRATE(0, "sclk_pwi", NULL, CLK_IS_ROOT, 24000000),
- FRATE(0, "sclk_usbh20", NULL, CLK_IS_ROOT, 48000000),
- FRATE(0, "mphy_refclk_ixtal24", NULL, CLK_IS_ROOT, 48000000),
- FRATE(0, "sclk_usbh20_scan_clk", NULL, CLK_IS_ROOT, 480000000),
+ FRATE(CLK_SCLK_HDMIPHY, "sclk_hdmiphy", NULL, 0, 24000000),
+ FRATE(0, "sclk_pwi", NULL, 0, 24000000),
+ FRATE(0, "sclk_usbh20", NULL, 0, 48000000),
+ FRATE(0, "mphy_refclk_ixtal24", NULL, 0, 48000000),
+ FRATE(0, "sclk_usbh20_scan_clk", NULL, 0, 480000000),
};
static struct samsung_fixed_factor_clock
diff --git a/drivers/clk/samsung/clk-exynos5433.c b/drivers/clk/samsung/clk-exynos5433.c
index cee062c588de..128527b8fbeb 100644
--- a/drivers/clk/samsung/clk-exynos5433.c
+++ b/drivers/clk/samsung/clk-exynos5433.c
@@ -142,17 +142,6 @@ static unsigned long top_clk_regs[] __initdata = {
MUX_ENABLE_TOP_FSYS1,
MUX_ENABLE_TOP_PERIC0,
MUX_ENABLE_TOP_PERIC1,
- MUX_STAT_TOP0,
- MUX_STAT_TOP1,
- MUX_STAT_TOP2,
- MUX_STAT_TOP3,
- MUX_STAT_TOP4,
- MUX_STAT_TOP_MSCL,
- MUX_STAT_TOP_CAM1,
- MUX_STAT_TOP_FSYS0,
- MUX_STAT_TOP_FSYS1,
- MUX_STAT_TOP_PERIC0,
- MUX_STAT_TOP_PERIC1,
DIV_TOP0,
DIV_TOP1,
DIV_TOP2,
@@ -170,22 +159,6 @@ static unsigned long top_clk_regs[] __initdata = {
DIV_TOP_PERIC3,
DIV_TOP_PERIC4,
DIV_TOP_PLL_FREQ_DET,
- DIV_STAT_TOP0,
- DIV_STAT_TOP1,
- DIV_STAT_TOP2,
- DIV_STAT_TOP3,
- DIV_STAT_TOP4,
- DIV_STAT_TOP_MSCL,
- DIV_STAT_TOP_CAM10,
- DIV_STAT_TOP_CAM11,
- DIV_STAT_TOP_FSYS0,
- DIV_STAT_TOP_FSYS1,
- DIV_STAT_TOP_FSYS2,
- DIV_STAT_TOP_PERIC0,
- DIV_STAT_TOP_PERIC1,
- DIV_STAT_TOP_PERIC2,
- DIV_STAT_TOP_PERIC3,
- DIV_STAT_TOP_PLL_FREQ_DET,
ENABLE_ACLK_TOP,
ENABLE_SCLK_TOP,
ENABLE_SCLK_TOP_MSCL,
@@ -251,18 +224,18 @@ static struct samsung_fixed_factor_clock top_fixed_factor_clks[] __initdata = {
static struct samsung_fixed_rate_clock top_fixed_clks[] __initdata = {
/* Xi2s{0|1}CDCLK input clock for I2S/PCM */
- FRATE(0, "ioclk_audiocdclk1", NULL, CLK_IS_ROOT, 100000000),
- FRATE(0, "ioclk_audiocdclk0", NULL, CLK_IS_ROOT, 100000000),
+ FRATE(0, "ioclk_audiocdclk1", NULL, 0, 100000000),
+ FRATE(0, "ioclk_audiocdclk0", NULL, 0, 100000000),
/* Xi2s1SDI input clock for SPDIF */
- FRATE(0, "ioclk_spdif_extclk", NULL, CLK_IS_ROOT, 100000000),
+ FRATE(0, "ioclk_spdif_extclk", NULL, 0, 100000000),
/* XspiCLK[4:0] input clock for SPI */
- FRATE(0, "ioclk_spi4_clk_in", NULL, CLK_IS_ROOT, 50000000),
- FRATE(0, "ioclk_spi3_clk_in", NULL, CLK_IS_ROOT, 50000000),
- FRATE(0, "ioclk_spi2_clk_in", NULL, CLK_IS_ROOT, 50000000),
- FRATE(0, "ioclk_spi1_clk_in", NULL, CLK_IS_ROOT, 50000000),
- FRATE(0, "ioclk_spi0_clk_in", NULL, CLK_IS_ROOT, 50000000),
+ FRATE(0, "ioclk_spi4_clk_in", NULL, 0, 50000000),
+ FRATE(0, "ioclk_spi3_clk_in", NULL, 0, 50000000),
+ FRATE(0, "ioclk_spi2_clk_in", NULL, 0, 50000000),
+ FRATE(0, "ioclk_spi1_clk_in", NULL, 0, 50000000),
+ FRATE(0, "ioclk_spi0_clk_in", NULL, 0, 50000000),
/* Xi2s1SCLK input clock for I2S1_BCLK */
- FRATE(0, "ioclk_i2s1_bclk_in", NULL, CLK_IS_ROOT, 12288000),
+ FRATE(0, "ioclk_i2s1_bclk_in", NULL, 0, 12288000),
};
static struct samsung_mux_clock top_mux_clks[] __initdata = {
@@ -490,9 +463,9 @@ static struct samsung_div_clock top_div_clks[] __initdata = {
DIV(CLK_DIV_SCLK_ISP_SENSOR1_A, "div_sclk_isp_sensor1_a",
"mout_sclk_isp_sensor1", DIV_TOP_CAM11, 8, 4),
DIV(CLK_DIV_SCLK_ISP_SENSOR0_B, "div_sclk_isp_sensor0_b",
- "div_sclk_isp_sensor0_a", DIV_TOP_CAM11, 12, 4),
+ "div_sclk_isp_sensor0_a", DIV_TOP_CAM11, 4, 4),
DIV(CLK_DIV_SCLK_ISP_SENSOR0_A, "div_sclk_isp_sensor0_a",
- "mout_sclk_isp_sensor0", DIV_TOP_CAM11, 8, 4),
+ "mout_sclk_isp_sensor0", DIV_TOP_CAM11, 0, 4),
/* DIV_TOP_FSYS0 */
DIV(CLK_DIV_SCLK_MMC1_B, "div_sclk_mmc1_b", "div_sclk_mmc1_a",
@@ -999,26 +972,12 @@ static unsigned long mif_clk_regs[] __initdata = {
MUX_ENABLE_MIF5,
MUX_ENABLE_MIF6,
MUX_ENABLE_MIF7,
- MUX_STAT_MIF0,
- MUX_STAT_MIF1,
- MUX_STAT_MIF2,
- MUX_STAT_MIF3,
- MUX_STAT_MIF4,
- MUX_STAT_MIF5,
- MUX_STAT_MIF6,
- MUX_STAT_MIF7,
DIV_MIF1,
DIV_MIF2,
DIV_MIF3,
DIV_MIF4,
DIV_MIF5,
DIV_MIF_PLL_FREQ_DET,
- DIV_STAT_MIF1,
- DIV_STAT_MIF2,
- DIV_STAT_MIF3,
- DIV_STAT_MIF4,
- DIV_STAT_MIF5,
- DIV_STAT_MIF_PLL_FREQ_DET,
ENABLE_ACLK_MIF0,
ENABLE_ACLK_MIF1,
ENABLE_ACLK_MIF2,
@@ -1565,7 +1524,6 @@ CLK_OF_DECLARE(exynos5433_cmu_mif, "samsung,exynos5433-cmu-mif",
static unsigned long peric_clk_regs[] __initdata = {
DIV_PERIC,
- DIV_STAT_PERIC,
ENABLE_ACLK_PERIC,
ENABLE_PCLK_PERIC0,
ENABLE_PCLK_PERIC1,
@@ -2012,11 +1970,6 @@ static unsigned long fsys_clk_regs[] __initdata = {
MUX_ENABLE_FSYS2,
MUX_ENABLE_FSYS3,
MUX_ENABLE_FSYS4,
- MUX_STAT_FSYS0,
- MUX_STAT_FSYS1,
- MUX_STAT_FSYS2,
- MUX_STAT_FSYS3,
- MUX_STAT_FSYS4,
MUX_IGNORE_FSYS2,
MUX_IGNORE_FSYS3,
ENABLE_ACLK_FSYS0,
@@ -2031,42 +1984,40 @@ static struct samsung_fixed_rate_clock fsys_fixed_clks[] __initdata = {
/* PHY clocks from USBDRD30_PHY */
FRATE(CLK_PHYCLK_USBDRD30_UDRD30_PHYCLOCK_PHY,
"phyclk_usbdrd30_udrd30_phyclock_phy", NULL,
- CLK_IS_ROOT, 60000000),
+ 0, 60000000),
FRATE(CLK_PHYCLK_USBDRD30_UDRD30_PIPE_PCLK_PHY,
"phyclk_usbdrd30_udrd30_pipe_pclk_phy", NULL,
- CLK_IS_ROOT, 125000000),
+ 0, 125000000),
/* PHY clocks from USBHOST30_PHY */
FRATE(CLK_PHYCLK_USBHOST30_UHOST30_PHYCLOCK_PHY,
"phyclk_usbhost30_uhost30_phyclock_phy", NULL,
- CLK_IS_ROOT, 60000000),
+ 0, 60000000),
FRATE(CLK_PHYCLK_USBHOST30_UHOST30_PIPE_PCLK_PHY,
"phyclk_usbhost30_uhost30_pipe_pclk_phy", NULL,
- CLK_IS_ROOT, 125000000),
+ 0, 125000000),
/* PHY clocks from USBHOST20_PHY */
FRATE(CLK_PHYCLK_USBHOST20_PHY_FREECLK_PHY,
- "phyclk_usbhost20_phy_freeclk_phy", NULL, CLK_IS_ROOT,
- 60000000),
+ "phyclk_usbhost20_phy_freeclk_phy", NULL, 0, 60000000),
FRATE(CLK_PHYCLK_USBHOST20_PHY_PHYCLOCK_PHY,
- "phyclk_usbhost20_phy_phyclock_phy", NULL, CLK_IS_ROOT,
- 60000000),
+ "phyclk_usbhost20_phy_phyclock_phy", NULL, 0, 60000000),
FRATE(CLK_PHYCLK_USBHOST20_PHY_CLK48MOHCI_PHY,
"phyclk_usbhost20_phy_clk48mohci_phy", NULL,
- CLK_IS_ROOT, 48000000),
+ 0, 48000000),
FRATE(CLK_PHYCLK_USBHOST20_PHY_HSIC1_PHY,
- "phyclk_usbhost20_phy_hsic1_phy", NULL, CLK_IS_ROOT,
+ "phyclk_usbhost20_phy_hsic1_phy", NULL, 0,
60000000),
/* PHY clocks from UFS_PHY */
FRATE(CLK_PHYCLK_UFS_TX0_SYMBOL_PHY, "phyclk_ufs_tx0_symbol_phy",
- NULL, CLK_IS_ROOT, 300000000),
+ NULL, 0, 300000000),
FRATE(CLK_PHYCLK_UFS_RX0_SYMBOL_PHY, "phyclk_ufs_rx0_symbol_phy",
- NULL, CLK_IS_ROOT, 300000000),
+ NULL, 0, 300000000),
FRATE(CLK_PHYCLK_UFS_TX1_SYMBOL_PHY, "phyclk_ufs_tx1_symbol_phy",
- NULL, CLK_IS_ROOT, 300000000),
+ NULL, 0, 300000000),
FRATE(CLK_PHYCLK_UFS_RX1_SYMBOL_PHY, "phyclk_ufs_rx1_symbol_phy",
- NULL, CLK_IS_ROOT, 300000000),
+ NULL, 0, 300000000),
/* PHY clocks from LLI_PHY */
FRATE(CLK_PHYCLK_LLI_MPHY_TO_UFS_PHY, "phyclk_lli_mphy_to_ufs_phy",
- NULL, CLK_IS_ROOT, 26000000),
+ NULL, 0, 26000000),
};
static struct samsung_mux_clock fsys_mux_clks[] __initdata = {
@@ -2362,9 +2313,7 @@ CLK_OF_DECLARE(exynos5433_cmu_fsys, "samsung,exynos5433-cmu-fsys",
static unsigned long g2d_clk_regs[] __initdata = {
MUX_SEL_G2D0,
MUX_SEL_ENABLE_G2D0,
- MUX_SEL_STAT_G2D0,
DIV_G2D,
- DIV_STAT_G2D,
DIV_ENABLE_ACLK_G2D,
DIV_ENABLE_ACLK_G2D_SECURE_SMMU_G2D,
DIV_ENABLE_PCLK_G2D,
@@ -2520,16 +2469,9 @@ static unsigned long disp_clk_regs[] __initdata = {
MUX_ENABLE_DISP2,
MUX_ENABLE_DISP3,
MUX_ENABLE_DISP4,
- MUX_STAT_DISP0,
- MUX_STAT_DISP1,
- MUX_STAT_DISP2,
- MUX_STAT_DISP3,
- MUX_STAT_DISP4,
MUX_IGNORE_DISP2,
DIV_DISP,
DIV_DISP_PLL_FREQ_DET,
- DIV_STAT_DISP,
- DIV_STAT_DISP_PLL_FREQ_DET,
ENABLE_ACLK_DISP0,
ENABLE_ACLK_DISP1,
ENABLE_PCLK_DISP,
@@ -2604,18 +2546,16 @@ static struct samsung_fixed_factor_clock disp_fixed_factor_clks[] __initdata = {
static struct samsung_fixed_rate_clock disp_fixed_clks[] __initdata = {
/* PHY clocks from MIPI_DPHY1 */
- FRATE(0, "phyclk_mipidphy1_bitclkdiv8_phy", NULL, CLK_IS_ROOT,
- 188000000),
- FRATE(0, "phyclk_mipidphy1_rxclkesc0_phy", NULL, CLK_IS_ROOT,
- 100000000),
+ FRATE(0, "phyclk_mipidphy1_bitclkdiv8_phy", NULL, 0, 188000000),
+ FRATE(0, "phyclk_mipidphy1_rxclkesc0_phy", NULL, 0, 100000000),
/* PHY clocks from MIPI_DPHY0 */
- FRATE(0, "phyclk_mipidphy0_bitclkdiv8_phy", NULL, CLK_IS_ROOT,
- 188000000),
- FRATE(0, "phyclk_mipidphy0_rxclkesc0_phy", NULL, CLK_IS_ROOT,
- 100000000),
+ FRATE(0, "phyclk_mipidphy0_bitclkdiv8_phy", NULL, 0, 188000000),
+ FRATE(0, "phyclk_mipidphy0_rxclkesc0_phy", NULL, 0, 100000000),
/* PHY clocks from HDMI_PHY */
- FRATE(0, "phyclk_hdmiphy_tmds_clko_phy", NULL, CLK_IS_ROOT, 300000000),
- FRATE(0, "phyclk_hdmiphy_pixel_clko_phy", NULL, CLK_IS_ROOT, 166000000),
+ FRATE(CLK_PHYCLK_HDMIPHY_TMDS_CLKO_PHY, "phyclk_hdmiphy_tmds_clko_phy",
+ NULL, 0, 300000000),
+ FRATE(CLK_PHYCLK_HDMIPHY_PIXEL_CLKO_PHY, "phyclk_hdmiphy_pixel_clko_phy",
+ NULL, 0, 166000000),
};
static struct samsung_mux_clock disp_mux_clks[] __initdata = {
@@ -2820,6 +2760,8 @@ static struct samsung_gate_clock disp_gate_clks[] __initdata = {
ENABLE_PCLK_DISP, 2, 0, 0),
GATE(CLK_PCLK_DECON_TV, "pclk_decon_tv", "div_pclk_disp",
ENABLE_PCLK_DISP, 1, 0, 0),
+ GATE(CLK_PCLK_DECON, "pclk_decon", "div_pclk_disp",
+ ENABLE_PCLK_DISP, 0, 0, 0),
/* ENABLE_SCLK_DISP */
GATE(CLK_PHYCLK_MIPIDPHY1_BITCLKDIV8, "phyclk_mipidphy1_bitclkdiv8",
@@ -2919,11 +2861,8 @@ static unsigned long aud_clk_regs[] __initdata = {
MUX_SEL_AUD1,
MUX_ENABLE_AUD0,
MUX_ENABLE_AUD1,
- MUX_STAT_AUD0,
DIV_AUD0,
DIV_AUD1,
- DIV_STAT_AUD0,
- DIV_STAT_AUD1,
ENABLE_ACLK_AUD,
ENABLE_PCLK_AUD,
ENABLE_SCLK_AUD0,
@@ -2937,9 +2876,9 @@ PNAME(mout_aud_pll_user_aud_p) = { "oscclk", "fout_aud_pll", };
PNAME(mout_sclk_aud_pcm_p) = { "mout_aud_pll_user", "ioclk_audiocdclk0",};
static struct samsung_fixed_rate_clock aud_fixed_clks[] __initdata = {
- FRATE(0, "ioclk_jtag_tclk", NULL, CLK_IS_ROOT, 33000000),
- FRATE(0, "ioclk_slimbus_clk", NULL, CLK_IS_ROOT, 25000000),
- FRATE(0, "ioclk_i2s_bclk", NULL, CLK_IS_ROOT, 50000000),
+ FRATE(0, "ioclk_jtag_tclk", NULL, 0, 33000000),
+ FRATE(0, "ioclk_slimbus_clk", NULL, 0, 25000000),
+ FRATE(0, "ioclk_i2s_bclk", NULL, 0, 50000000),
};
static struct samsung_mux_clock aud_mux_clks[] __initdata = {
@@ -3087,7 +3026,6 @@ PNAME(mout_aclk_bus2_400_p) = { "oscclk", "aclk_bus2_400", };
#define CMU_BUS_COMMON_CLK_REGS \
DIV_BUS, \
- DIV_STAT_BUS, \
ENABLE_ACLK_BUS, \
ENABLE_PCLK_BUS, \
ENABLE_IP_BUS0, \
@@ -3100,7 +3038,6 @@ static unsigned long bus01_clk_regs[] __initdata = {
static unsigned long bus2_clk_regs[] __initdata = {
MUX_SEL_BUS2,
MUX_ENABLE_BUS2,
- MUX_STAT_BUS2,
CMU_BUS_COMMON_CLK_REGS,
};
@@ -3259,11 +3196,8 @@ static unsigned long g3d_clk_regs[] __initdata = {
G3D_PLL_FREQ_DET,
MUX_SEL_G3D,
MUX_ENABLE_G3D,
- MUX_STAT_G3D,
DIV_G3D,
DIV_G3D_PLL_FREQ_DET,
- DIV_STAT_G3D,
- DIV_STAT_G3D_PLL_FREQ_DET,
ENABLE_ACLK_G3D,
ENABLE_PCLK_G3D,
ENABLE_SCLK_G3D,
@@ -3379,7 +3313,6 @@ CLK_OF_DECLARE(exynos5433_cmu_g3d, "samsung,exynos5433-cmu-g3d",
static unsigned long gscl_clk_regs[] __initdata = {
MUX_SEL_GSCL,
MUX_ENABLE_GSCL,
- MUX_STAT_GSCL,
ENABLE_ACLK_GSCL,
ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL0,
ENABLE_ACLK_GSCL_SECURE_SMMU_GSCL1,
@@ -3472,11 +3405,11 @@ static struct samsung_gate_clock gscl_gate_clks[] __initdata = {
/* ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL1 */
GATE(CLK_PCLK_SMMU_GSCL1, "pclk_smmu_gscl1", "mout_aclk_gscl_111_user",
- ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0, 0, 0, 0),
+ ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL1, 0, 0, 0),
/* ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL2 */
GATE(CLK_PCLK_SMMU_GSCL2, "pclk_smmu_gscl2", "mout_aclk_gscl_111_user",
- ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL0, 0, 0, 0),
+ ENABLE_PCLK_GSCL_SECURE_SMMU_GSCL2, 0, 0, 0),
};
static struct samsung_cmu_info gscl_cmu_info __initdata = {
@@ -3543,15 +3476,9 @@ static unsigned long apollo_clk_regs[] __initdata = {
MUX_ENABLE_APOLLO0,
MUX_ENABLE_APOLLO1,
MUX_ENABLE_APOLLO2,
- MUX_STAT_APOLLO0,
- MUX_STAT_APOLLO1,
- MUX_STAT_APOLLO2,
DIV_APOLLO0,
DIV_APOLLO1,
DIV_APOLLO_PLL_FREQ_DET,
- DIV_STAT_APOLLO0,
- DIV_STAT_APOLLO1,
- DIV_STAT_APOLLO_PLL_FREQ_DET,
ENABLE_ACLK_APOLLO,
ENABLE_PCLK_APOLLO,
ENABLE_SCLK_APOLLO,
@@ -3735,15 +3662,9 @@ static unsigned long atlas_clk_regs[] __initdata = {
MUX_ENABLE_ATLAS0,
MUX_ENABLE_ATLAS1,
MUX_ENABLE_ATLAS2,
- MUX_STAT_ATLAS0,
- MUX_STAT_ATLAS1,
- MUX_STAT_ATLAS2,
DIV_ATLAS0,
DIV_ATLAS1,
DIV_ATLAS_PLL_FREQ_DET,
- DIV_STAT_ATLAS0,
- DIV_STAT_ATLAS1,
- DIV_STAT_ATLAS_PLL_FREQ_DET,
ENABLE_ACLK_ATLAS,
ENABLE_PCLK_ATLAS,
ENABLE_SCLK_ATLAS,
@@ -3937,10 +3858,7 @@ static unsigned long mscl_clk_regs[] __initdata = {
MUX_SEL_MSCL1,
MUX_ENABLE_MSCL0,
MUX_ENABLE_MSCL1,
- MUX_STAT_MSCL0,
- MUX_STAT_MSCL1,
DIV_MSCL,
- DIV_STAT_MSCL,
ENABLE_ACLK_MSCL,
ENABLE_ACLK_MSCL_SECURE_SMMU_M2MSCALER0,
ENABLE_ACLK_MSCL_SECURE_SMMU_M2MSCALER1,
@@ -4097,9 +4015,7 @@ CLK_OF_DECLARE(exynos5433_cmu_mscl, "samsung,exynos5433-cmu-mscl",
static unsigned long mfc_clk_regs[] __initdata = {
MUX_SEL_MFC,
MUX_ENABLE_MFC,
- MUX_STAT_MFC,
DIV_MFC,
- DIV_STAT_MFC,
ENABLE_ACLK_MFC,
ENABLE_ACLK_MFC_SECURE_SMMU_MFC,
ENABLE_PCLK_MFC,
@@ -4207,9 +4123,7 @@ CLK_OF_DECLARE(exynos5433_cmu_mfc, "samsung,exynos5433-cmu-mfc",
static unsigned long hevc_clk_regs[] __initdata = {
MUX_SEL_HEVC,
MUX_ENABLE_HEVC,
- MUX_STAT_HEVC,
DIV_HEVC,
- DIV_STAT_HEVC,
ENABLE_ACLK_HEVC,
ENABLE_ACLK_HEVC_SECURE_SMMU_HEVC,
ENABLE_PCLK_HEVC,
@@ -4321,9 +4235,7 @@ CLK_OF_DECLARE(exynos5433_cmu_hevc, "samsung,exynos5433-cmu-hevc",
static unsigned long isp_clk_regs[] __initdata = {
MUX_SEL_ISP,
MUX_ENABLE_ISP,
- MUX_STAT_ISP,
DIV_ISP,
- DIV_STAT_ISP,
ENABLE_ACLK_ISP0,
ENABLE_ACLK_ISP1,
ENABLE_ACLK_ISP2,
@@ -4603,20 +4515,11 @@ static unsigned long cam0_clk_regs[] __initdata = {
MUX_ENABLE_CAM02,
MUX_ENABLE_CAM03,
MUX_ENABLE_CAM04,
- MUX_STAT_CAM00,
- MUX_STAT_CAM01,
- MUX_STAT_CAM02,
- MUX_STAT_CAM03,
- MUX_STAT_CAM04,
MUX_IGNORE_CAM01,
DIV_CAM00,
DIV_CAM01,
DIV_CAM02,
DIV_CAM03,
- DIV_STAT_CAM00,
- DIV_STAT_CAM01,
- DIV_STAT_CAM02,
- DIV_STAT_CAM03,
ENABLE_ACLK_CAM00,
ENABLE_ACLK_CAM01,
ENABLE_ACLK_CAM02,
@@ -4687,9 +4590,9 @@ PNAME(mout_sclk_pixelasync_lite_c_init_a_p) = {
static struct samsung_fixed_rate_clock cam0_fixed_clks[] __initdata = {
FRATE(CLK_PHYCLK_RXBYTEECLKHS0_S4_PHY, "phyclk_rxbyteclkhs0_s4_phy",
- NULL, CLK_IS_ROOT, 100000000),
+ NULL, 0, 100000000),
FRATE(CLK_PHYCLK_RXBYTEECLKHS0_S2A_PHY, "phyclk_rxbyteclkhs0_s2a_phy",
- NULL, CLK_IS_ROOT, 100000000),
+ NULL, 0, 100000000),
};
static struct samsung_mux_clock cam0_mux_clks[] __initdata = {
@@ -4749,21 +4652,21 @@ static struct samsung_mux_clock cam0_mux_clks[] __initdata = {
MUX(CLK_MOUT_SCLK_LITE_FREECNT_C, "mout_sclk_lite_freecnt_c",
mout_sclk_lite_freecnt_c_p, MUX_SEL_CAM04, 24, 1),
MUX(CLK_MOUT_SCLK_LITE_FREECNT_B, "mout_sclk_lite_freecnt_b",
- mout_sclk_lite_freecnt_b_p, MUX_SEL_CAM04, 24, 1),
+ mout_sclk_lite_freecnt_b_p, MUX_SEL_CAM04, 20, 1),
MUX(CLK_MOUT_SCLK_LITE_FREECNT_A, "mout_sclk_lite_freecnt_a",
- mout_sclk_lite_freecnt_a_p, MUX_SEL_CAM04, 24, 1),
+ mout_sclk_lite_freecnt_a_p, MUX_SEL_CAM04, 16, 1),
MUX(CLK_MOUT_SCLK_PIXELASYNC_LITE_C_B, "mout_sclk_pixelasync_lite_c_b",
- mout_sclk_pixelasync_lite_c_b_p, MUX_SEL_CAM04, 24, 1),
+ mout_sclk_pixelasync_lite_c_b_p, MUX_SEL_CAM04, 12, 1),
MUX(CLK_MOUT_SCLK_PIXELASYNC_LITE_C_A, "mout_sclk_pixelasync_lite_c_a",
- mout_sclk_pixelasync_lite_c_a_p, MUX_SEL_CAM04, 24, 1),
+ mout_sclk_pixelasync_lite_c_a_p, MUX_SEL_CAM04, 8, 1),
MUX(CLK_MOUT_SCLK_PIXELASYNC_LITE_C_INIT_B,
"mout_sclk_pixelasync_lite_c_init_b",
mout_sclk_pixelasync_lite_c_init_b_p,
- MUX_SEL_CAM04, 24, 1),
+ MUX_SEL_CAM04, 4, 1),
MUX(CLK_MOUT_SCLK_PIXELASYNC_LITE_C_INIT_A,
"mout_sclk_pixelasync_lite_c_init_a",
mout_sclk_pixelasync_lite_c_init_a_p,
- MUX_SEL_CAM04, 24, 1),
+ MUX_SEL_CAM04, 0, 1),
};
static struct samsung_div_clock cam0_div_clks[] __initdata = {
@@ -5074,14 +4977,9 @@ static unsigned long cam1_clk_regs[] __initdata = {
MUX_ENABLE_CAM10,
MUX_ENABLE_CAM11,
MUX_ENABLE_CAM12,
- MUX_STAT_CAM10,
- MUX_STAT_CAM11,
- MUX_STAT_CAM12,
MUX_IGNORE_CAM11,
DIV_CAM10,
DIV_CAM11,
- DIV_STAT_CAM10,
- DIV_STAT_CAM11,
ENABLE_ACLK_CAM10,
ENABLE_ACLK_CAM11,
ENABLE_ACLK_CAM12,
@@ -5120,7 +5018,7 @@ PNAME(mout_aclk_lite_c_a_p) = { "mout_aclk_cam1_552_user",
static struct samsung_fixed_rate_clock cam1_fixed_clks[] __initdata = {
FRATE(CLK_PHYCLK_RXBYTEECLKHS0_S2B, "phyclk_rxbyteclkhs0_s2b_phy", NULL,
- CLK_IS_ROOT, 100000000),
+ 0, 100000000),
};
static struct samsung_mux_clock cam1_mux_clks[] __initdata = {
@@ -5134,9 +5032,9 @@ static struct samsung_mux_clock cam1_mux_clks[] __initdata = {
MUX(CLK_MOUT_ACLK_CAM1_333_USER, "mout_aclk_cam1_333_user",
mout_aclk_cam1_333_user_p, MUX_SEL_CAM10, 8, 1),
MUX(CLK_MOUT_ACLK_CAM1_400_USER, "mout_aclk_cam1_400_user",
- mout_aclk_cam1_400_user_p, MUX_SEL_CAM01, 4, 1),
+ mout_aclk_cam1_400_user_p, MUX_SEL_CAM10, 4, 1),
MUX(CLK_MOUT_ACLK_CAM1_552_USER, "mout_aclk_cam1_552_user",
- mout_aclk_cam1_552_user_p, MUX_SEL_CAM01, 0, 1),
+ mout_aclk_cam1_552_user_p, MUX_SEL_CAM10, 0, 1),
/* MUX_SEL_CAM11 */
MUX(CLK_MOUT_PHYCLK_RXBYTECLKHS0_S2B_USER,
@@ -5161,7 +5059,7 @@ static struct samsung_mux_clock cam1_mux_clks[] __initdata = {
static struct samsung_div_clock cam1_div_clks[] __initdata = {
/* DIV_CAM10 */
- DIV(CLK_DIV_SCLK_ISP_WPWM, "div_sclk_isp_wpwm",
+ DIV(CLK_DIV_SCLK_ISP_MPWM, "div_sclk_isp_mpwm",
"div_pclk_cam1_83", DIV_CAM10, 16, 2),
DIV(CLK_DIV_PCLK_CAM1_83, "div_pclk_cam1_83",
"mout_aclk_cam1_333_user", DIV_CAM10, 12, 2),
@@ -5355,7 +5253,7 @@ static struct samsung_gate_clock cam1_gate_clks[] __initdata = {
ENABLE_PCLK_CAM1, 5, CLK_IGNORE_UNUSED, 0),
GATE(CLK_PCLK_ISP_I2C0, "pclk_isp_i2c0", "div_pclk_cam1_83",
ENABLE_PCLK_CAM1, 4, CLK_IGNORE_UNUSED, 0),
- GATE(CLK_PCLK_ISP_MPWM, "pclk_isp_wpwm", "div_pclk_cam1_83",
+ GATE(CLK_PCLK_ISP_MPWM, "pclk_isp_mpwm", "div_pclk_cam1_83",
ENABLE_PCLK_CAM1, 3, CLK_IGNORE_UNUSED, 0),
GATE(CLK_PCLK_FD, "pclk_fd", "div_pclk_fd",
ENABLE_PCLK_CAM1, 3, CLK_IGNORE_UNUSED, 0),
@@ -5388,7 +5286,7 @@ static struct samsung_gate_clock cam1_gate_clks[] __initdata = {
ENABLE_SCLK_CAM1, 5, 0, 0),
GATE(CLK_SCLK_ISP_SPI0, "sclk_isp_spi0", "mout_sclk_isp_spi0_user",
ENABLE_SCLK_CAM1, 4, 0, 0),
- GATE(CLK_SCLK_ISP_MPWM, "sclk_isp_wpwm", "div_sclk_isp_wpwm",
+ GATE(CLK_SCLK_ISP_MPWM, "sclk_isp_mpwm", "div_sclk_isp_mpwm",
ENABLE_SCLK_CAM1, 3, 0, 0),
GATE(CLK_PCLK_DBG_ISP, "sclk_dbg_isp", "div_pclk_dbg_cam1",
ENABLE_SCLK_CAM1, 2, 0, 0),
diff --git a/drivers/clk/samsung/clk-exynos5440.c b/drivers/clk/samsung/clk-exynos5440.c
index 590813871ffe..c57cff1e1798 100644
--- a/drivers/clk/samsung/clk-exynos5440.c
+++ b/drivers/clk/samsung/clk-exynos5440.c
@@ -31,16 +31,16 @@ PNAME(mout_spi_p) = { "div125", "div200" };
/* fixed rate clocks generated outside the soc */
static struct samsung_fixed_rate_clock exynos5440_fixed_rate_ext_clks[] __initdata = {
- FRATE(0, "xtal", NULL, CLK_IS_ROOT, 0),
+ FRATE(0, "xtal", NULL, 0, 0),
};
/* fixed rate clocks */
static struct samsung_fixed_rate_clock exynos5440_fixed_rate_clks[] __initdata = {
- FRATE(0, "ppll", NULL, CLK_IS_ROOT, 1000000000),
- FRATE(0, "usb_phy0", NULL, CLK_IS_ROOT, 60000000),
- FRATE(0, "usb_phy1", NULL, CLK_IS_ROOT, 60000000),
- FRATE(0, "usb_ohci12", NULL, CLK_IS_ROOT, 12000000),
- FRATE(0, "usb_ohci48", NULL, CLK_IS_ROOT, 48000000),
+ FRATE(0, "ppll", NULL, 0, 1000000000),
+ FRATE(0, "usb_phy0", NULL, 0, 60000000),
+ FRATE(0, "usb_phy1", NULL, 0, 60000000),
+ FRATE(0, "usb_ohci12", NULL, 0, 12000000),
+ FRATE(0, "usb_ohci48", NULL, 0, 48000000),
};
/* fixed factor clocks */
diff --git a/drivers/clk/samsung/clk-exynos7.c b/drivers/clk/samsung/clk-exynos7.c
index 55f8e2e24ab8..ad68d463b12c 100644
--- a/drivers/clk/samsung/clk-exynos7.c
+++ b/drivers/clk/samsung/clk-exynos7.c
@@ -894,10 +894,8 @@ PNAME(mout_phyclk_usbdrd300_udrd30_pipe_pclk_user_p) = { "fin_pll",
/* fixed rate clocks used in the FSYS0 block */
static struct samsung_fixed_rate_clock fixed_rate_clks_fsys0[] __initdata = {
- FRATE(0, "phyclk_usbdrd300_udrd30_phyclock", NULL,
- CLK_IS_ROOT, 60000000),
- FRATE(0, "phyclk_usbdrd300_udrd30_pipe_pclk", NULL,
- CLK_IS_ROOT, 125000000),
+ FRATE(0, "phyclk_usbdrd300_udrd30_phyclock", NULL, 0, 60000000),
+ FRATE(0, "phyclk_usbdrd300_udrd30_pipe_pclk", NULL, 0, 125000000),
};
static unsigned long fsys0_clk_regs[] __initdata = {
@@ -1009,11 +1007,11 @@ PNAME(mout_phyclk_ufs20_rx1_user_p) = { "fin_pll", "phyclk_ufs20_rx1_symbol" };
/* fixed rate clocks used in the FSYS1 block */
static struct samsung_fixed_rate_clock fixed_rate_clks_fsys1[] __initdata = {
FRATE(PHYCLK_UFS20_TX0_SYMBOL, "phyclk_ufs20_tx0_symbol", NULL,
- CLK_IS_ROOT, 300000000),
+ 0, 300000000),
FRATE(PHYCLK_UFS20_RX0_SYMBOL, "phyclk_ufs20_rx0_symbol", NULL,
- CLK_IS_ROOT, 300000000),
+ 0, 300000000),
FRATE(PHYCLK_UFS20_RX1_SYMBOL, "phyclk_ufs20_rx1_symbol", NULL,
- CLK_IS_ROOT, 300000000),
+ 0, 300000000),
};
static unsigned long fsys1_clk_regs[] __initdata = {
diff --git a/drivers/clk/samsung/clk-s3c2410.c b/drivers/clk/samsung/clk-s3c2410.c
index 0945a8852299..d7b011c1fcf8 100644
--- a/drivers/clk/samsung/clk-s3c2410.c
+++ b/drivers/clk/samsung/clk-s3c2410.c
@@ -344,7 +344,7 @@ struct samsung_mux_clock s3c2442_muxes[] __initdata = {
*/
#define XTI 1
struct samsung_fixed_rate_clock s3c2410_common_frate_clks[] __initdata = {
- FRATE(XTI, "xti", NULL, CLK_IS_ROOT, 0),
+ FRATE(XTI, "xti", NULL, 0, 0),
};
static void __init s3c2410_common_clk_register_fixed_ext(
diff --git a/drivers/clk/samsung/clk-s3c2412.c b/drivers/clk/samsung/clk-s3c2412.c
index 44d6a9f4f5b2..effe3736ec6b 100644
--- a/drivers/clk/samsung/clk-s3c2412.c
+++ b/drivers/clk/samsung/clk-s3c2412.c
@@ -232,8 +232,8 @@ static struct notifier_block s3c2412_restart_handler = {
*/
#define XTI 1
struct samsung_fixed_rate_clock s3c2412_common_frate_clks[] __initdata = {
- FRATE(XTI, "xti", NULL, CLK_IS_ROOT, 0),
- FRATE(0, "ext", NULL, CLK_IS_ROOT, 0),
+ FRATE(XTI, "xti", NULL, 0, 0),
+ FRATE(0, "ext", NULL, 0, 0),
};
static void __init s3c2412_common_clk_register_fixed_ext(
diff --git a/drivers/clk/samsung/clk-s3c2443.c b/drivers/clk/samsung/clk-s3c2443.c
index 2c0a1ea3c80c..37562783b25e 100644
--- a/drivers/clk/samsung/clk-s3c2443.c
+++ b/drivers/clk/samsung/clk-s3c2443.c
@@ -371,10 +371,10 @@ static struct notifier_block s3c2443_restart_handler = {
* Only necessary until the devicetree-move is complete
*/
struct samsung_fixed_rate_clock s3c2443_common_frate_clks[] __initdata = {
- FRATE(0, "xti", NULL, CLK_IS_ROOT, 0),
- FRATE(0, "ext", NULL, CLK_IS_ROOT, 0),
- FRATE(0, "ext_i2s", NULL, CLK_IS_ROOT, 0),
- FRATE(0, "ext_uart", NULL, CLK_IS_ROOT, 0),
+ FRATE(0, "xti", NULL, 0, 0),
+ FRATE(0, "ext", NULL, 0, 0),
+ FRATE(0, "ext_i2s", NULL, 0, 0),
+ FRATE(0, "ext_uart", NULL, 0, 0),
};
static void __init s3c2443_common_clk_register_fixed_ext(
diff --git a/drivers/clk/samsung/clk-s3c64xx.c b/drivers/clk/samsung/clk-s3c64xx.c
index d325ed1e196b..60aa775bd374 100644
--- a/drivers/clk/samsung/clk-s3c64xx.c
+++ b/drivers/clk/samsung/clk-s3c64xx.c
@@ -176,14 +176,14 @@ PNAME(audio2_p6410) = { "mout_epll", "dout_mpll", "fin_pll", "iiscdclk2",
/* Fixed rate clocks generated outside the SoC. */
FIXED_RATE_CLOCKS(s3c64xx_fixed_rate_ext_clks) __initdata = {
- FRATE(0, "fin_pll", NULL, CLK_IS_ROOT, 0),
- FRATE(0, "xusbxti", NULL, CLK_IS_ROOT, 0),
+ FRATE(0, "fin_pll", NULL, 0, 0),
+ FRATE(0, "xusbxti", NULL, 0, 0),
};
/* Fixed rate clocks generated inside the SoC. */
FIXED_RATE_CLOCKS(s3c64xx_fixed_rate_clks) __initdata = {
- FRATE(CLK27M, "clk27m", NULL, CLK_IS_ROOT, 27000000),
- FRATE(CLK48M, "clk48m", NULL, CLK_IS_ROOT, 48000000),
+ FRATE(CLK27M, "clk27m", NULL, 0, 27000000),
+ FRATE(CLK48M, "clk48m", NULL, 0, 48000000),
};
/* List of clock muxes present on all S3C64xx SoCs. */
diff --git a/drivers/clk/samsung/clk-s5pv210.c b/drivers/clk/samsung/clk-s5pv210.c
index 759aaf342bea..52302262045d 100644
--- a/drivers/clk/samsung/clk-s5pv210.c
+++ b/drivers/clk/samsung/clk-s5pv210.c
@@ -503,15 +503,15 @@ static const struct samsung_mux_clock s5p6442_mux_clks[] __initconst = {
/* S5PV210-specific fixed rate clocks generated inside the SoC. */
static const struct samsung_fixed_rate_clock s5pv210_frate_clks[] __initconst = {
- FRATE(SCLK_HDMI27M, "sclk_hdmi27m", NULL, CLK_IS_ROOT, 27000000),
- FRATE(SCLK_HDMIPHY, "sclk_hdmiphy", NULL, CLK_IS_ROOT, 27000000),
- FRATE(SCLK_USBPHY0, "sclk_usbphy0", NULL, CLK_IS_ROOT, 48000000),
- FRATE(SCLK_USBPHY1, "sclk_usbphy1", NULL, CLK_IS_ROOT, 48000000),
+ FRATE(SCLK_HDMI27M, "sclk_hdmi27m", NULL, 0, 27000000),
+ FRATE(SCLK_HDMIPHY, "sclk_hdmiphy", NULL, 0, 27000000),
+ FRATE(SCLK_USBPHY0, "sclk_usbphy0", NULL, 0, 48000000),
+ FRATE(SCLK_USBPHY1, "sclk_usbphy1", NULL, 0, 48000000),
};
/* S5P6442-specific fixed rate clocks generated inside the SoC. */
static const struct samsung_fixed_rate_clock s5p6442_frate_clks[] __initconst = {
- FRATE(SCLK_USBPHY0, "sclk_usbphy0", NULL, CLK_IS_ROOT, 30000000),
+ FRATE(SCLK_USBPHY0, "sclk_usbphy0", NULL, 0, 30000000),
};
/* Common clock dividers. */
diff --git a/drivers/clk/socfpga/clk-gate-a10.c b/drivers/clk/socfpga/clk-gate-a10.c
index 1cebf253e8fd..c2d572748167 100644
--- a/drivers/clk/socfpga/clk-gate-a10.c
+++ b/drivers/clk/socfpga/clk-gate-a10.c
@@ -115,7 +115,6 @@ static void __init __socfpga_gate_init(struct device_node *node,
const char *parent_name[SOCFPGA_MAX_PARENTS];
struct clk_init_data init;
int rc;
- int i = 0;
socfpga_clk = kzalloc(sizeof(*socfpga_clk), GFP_KERNEL);
if (WARN_ON(!socfpga_clk))
@@ -167,12 +166,9 @@ static void __init __socfpga_gate_init(struct device_node *node,
init.name = clk_name;
init.ops = ops;
init.flags = 0;
- while (i < SOCFPGA_MAX_PARENTS && (parent_name[i] =
- of_clk_get_parent_name(node, i)) != NULL)
- i++;
+ init.num_parents = of_clk_parent_fill(node, parent_name, SOCFPGA_MAX_PARENTS);
init.parent_names = parent_name;
- init.num_parents = i;
socfpga_clk->hw.hw.init = &init;
clk = clk_register(NULL, &socfpga_clk->hw.hw);
diff --git a/drivers/clk/socfpga/clk-periph-a10.c b/drivers/clk/socfpga/clk-periph-a10.c
index 1f397cb72e89..70993f1e88bc 100644
--- a/drivers/clk/socfpga/clk-periph-a10.c
+++ b/drivers/clk/socfpga/clk-periph-a10.c
@@ -74,7 +74,7 @@ static __init void __socfpga_periph_init(struct device_node *node,
struct clk *clk;
struct socfpga_periph_clk *periph_clk;
const char *clk_name = node->name;
- const char *parent_name;
+ const char *parent_name[SOCFPGA_MAX_PARENTS];
struct clk_init_data init;
int rc;
u32 fixed_div;
@@ -109,9 +109,8 @@ static __init void __socfpga_periph_init(struct device_node *node,
init.ops = ops;
init.flags = 0;
- parent_name = of_clk_get_parent_name(node, 0);
- init.num_parents = 1;
- init.parent_names = &parent_name;
+ init.num_parents = of_clk_parent_fill(node, parent_name, SOCFPGA_MAX_PARENTS);
+ init.parent_names = parent_name;
periph_clk->hw.hw.init = &init;
diff --git a/drivers/clk/socfpga/clk-pll-a10.c b/drivers/clk/socfpga/clk-pll-a10.c
index 402d630bd531..35fabe1a32c3 100644
--- a/drivers/clk/socfpga/clk-pll-a10.c
+++ b/drivers/clk/socfpga/clk-pll-a10.c
@@ -74,7 +74,7 @@ static struct clk_ops clk_pll_ops = {
.get_parent = clk_pll_get_parent,
};
-static struct __init clk * __socfpga_pll_init(struct device_node *node,
+static struct clk * __init __socfpga_pll_init(struct device_node *node,
const struct clk_ops *ops)
{
u32 reg;
diff --git a/drivers/clk/spear/spear1310_clock.c b/drivers/clk/spear/spear1310_clock.c
index 009bd1410cfa..2f86e3f94efa 100644
--- a/drivers/clk/spear/spear1310_clock.c
+++ b/drivers/clk/spear/spear1310_clock.c
@@ -386,24 +386,20 @@ void __init spear1310_clk_init(void __iomem *misc_base, void __iomem *ras_base)
{
struct clk *clk, *clk1;
- clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT,
- 32000);
+ clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, 0, 32000);
clk_register_clkdev(clk, "osc_32k_clk", NULL);
- clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, CLK_IS_ROOT,
- 24000000);
+ clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, 0, 24000000);
clk_register_clkdev(clk, "osc_24m_clk", NULL);
- clk = clk_register_fixed_rate(NULL, "osc_25m_clk", NULL, CLK_IS_ROOT,
- 25000000);
+ clk = clk_register_fixed_rate(NULL, "osc_25m_clk", NULL, 0, 25000000);
clk_register_clkdev(clk, "osc_25m_clk", NULL);
- clk = clk_register_fixed_rate(NULL, "gmii_pad_clk", NULL, CLK_IS_ROOT,
- 125000000);
+ clk = clk_register_fixed_rate(NULL, "gmii_pad_clk", NULL, 0, 125000000);
clk_register_clkdev(clk, "gmii_pad_clk", NULL);
- clk = clk_register_fixed_rate(NULL, "i2s_src_pad_clk", NULL,
- CLK_IS_ROOT, 12288000);
+ clk = clk_register_fixed_rate(NULL, "i2s_src_pad_clk", NULL, 0,
+ 12288000);
clk_register_clkdev(clk, "i2s_src_pad_clk", NULL);
/* clock derived from 32 KHz osc clk */
@@ -897,11 +893,10 @@ void __init spear1310_clk_init(void __iomem *misc_base, void __iomem *ras_base)
&_lock);
clk_register_clkdev(clk, "ras_apb_clk", NULL);
- clk = clk_register_fixed_rate(NULL, "ras_plclk0_clk", NULL, CLK_IS_ROOT,
+ clk = clk_register_fixed_rate(NULL, "ras_plclk0_clk", NULL, 0,
50000000);
- clk = clk_register_fixed_rate(NULL, "ras_tx50_clk", NULL, CLK_IS_ROOT,
- 50000000);
+ clk = clk_register_fixed_rate(NULL, "ras_tx50_clk", NULL, 0, 50000000);
clk = clk_register_gate(NULL, "can0_clk", "apb_clk", 0,
SPEAR1310_RAS_SW_CLK_CTRL, SPEAR1310_CAN0_CLK_ENB, 0,
diff --git a/drivers/clk/spear/spear1340_clock.c b/drivers/clk/spear/spear1340_clock.c
index 9c7abfd951ba..cbb19a90f2d6 100644
--- a/drivers/clk/spear/spear1340_clock.c
+++ b/drivers/clk/spear/spear1340_clock.c
@@ -443,24 +443,20 @@ void __init spear1340_clk_init(void __iomem *misc_base)
{
struct clk *clk, *clk1;
- clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT,
- 32000);
+ clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, 0, 32000);
clk_register_clkdev(clk, "osc_32k_clk", NULL);
- clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, CLK_IS_ROOT,
- 24000000);
+ clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, 0, 24000000);
clk_register_clkdev(clk, "osc_24m_clk", NULL);
- clk = clk_register_fixed_rate(NULL, "osc_25m_clk", NULL, CLK_IS_ROOT,
- 25000000);
+ clk = clk_register_fixed_rate(NULL, "osc_25m_clk", NULL, 0, 25000000);
clk_register_clkdev(clk, "osc_25m_clk", NULL);
- clk = clk_register_fixed_rate(NULL, "gmii_pad_clk", NULL, CLK_IS_ROOT,
- 125000000);
+ clk = clk_register_fixed_rate(NULL, "gmii_pad_clk", NULL, 0, 125000000);
clk_register_clkdev(clk, "gmii_pad_clk", NULL);
- clk = clk_register_fixed_rate(NULL, "i2s_src_pad_clk", NULL,
- CLK_IS_ROOT, 12288000);
+ clk = clk_register_fixed_rate(NULL, "i2s_src_pad_clk", NULL, 0,
+ 12288000);
clk_register_clkdev(clk, "i2s_src_pad_clk", NULL);
/* clock derived from 32 KHz osc clk */
diff --git a/drivers/clk/spear/spear3xx_clock.c b/drivers/clk/spear/spear3xx_clock.c
index 404a55edd613..c403c66b6583 100644
--- a/drivers/clk/spear/spear3xx_clock.c
+++ b/drivers/clk/spear/spear3xx_clock.c
@@ -251,7 +251,7 @@ static void __init spear320_clk_init(void __iomem *soc_config_base,
struct clk *clk;
clk = clk_register_fixed_rate(NULL, "smii_125m_pad_clk", NULL,
- CLK_IS_ROOT, 125000000);
+ 0, 125000000);
clk_register_clkdev(clk, "smii_125m_pad", NULL);
clk = clk_register_fixed_factor(NULL, "clcd_clk", "ras_pll3_clk", 0,
@@ -391,12 +391,10 @@ void __init spear3xx_clk_init(void __iomem *misc_base, void __iomem *soc_config_
{
struct clk *clk, *clk1, *ras_apb_clk;
- clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT,
- 32000);
+ clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, 0, 32000);
clk_register_clkdev(clk, "osc_32k_clk", NULL);
- clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, CLK_IS_ROOT,
- 24000000);
+ clk = clk_register_fixed_rate(NULL, "osc_24m_clk", NULL, 0, 24000000);
clk_register_clkdev(clk, "osc_24m_clk", NULL);
/* clock derived from 32 KHz osc clk */
diff --git a/drivers/clk/spear/spear6xx_clock.c b/drivers/clk/spear/spear6xx_clock.c
index e24f85cd4300..7c9383c3c2c6 100644
--- a/drivers/clk/spear/spear6xx_clock.c
+++ b/drivers/clk/spear/spear6xx_clock.c
@@ -117,12 +117,10 @@ void __init spear6xx_clk_init(void __iomem *misc_base)
{
struct clk *clk, *clk1;
- clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, CLK_IS_ROOT,
- 32000);
+ clk = clk_register_fixed_rate(NULL, "osc_32k_clk", NULL, 0, 32000);
clk_register_clkdev(clk, "osc_32k_clk", NULL);
- clk = clk_register_fixed_rate(NULL, "osc_30m_clk", NULL, CLK_IS_ROOT,
- 30000000);
+ clk = clk_register_fixed_rate(NULL, "osc_30m_clk", NULL, 0, 30000000);
clk_register_clkdev(clk, "osc_30m_clk", NULL);
/* clock derived from 32 KHz osc clk */
diff --git a/drivers/clk/st/clk-flexgen.c b/drivers/clk/st/clk-flexgen.c
index 24d99594c0b3..627267c7ec5c 100644
--- a/drivers/clk/st/clk-flexgen.c
+++ b/drivers/clk/st/clk-flexgen.c
@@ -244,10 +244,10 @@ static const char ** __init flexgen_get_parents(struct device_node *np,
int *num_parents)
{
const char **parents;
- int nparents;
+ unsigned int nparents;
nparents = of_clk_get_parent_count(np);
- if (WARN_ON(nparents <= 0))
+ if (WARN_ON(!nparents))
return NULL;
parents = kcalloc(nparents, sizeof(const char *), GFP_KERNEL);
diff --git a/drivers/clk/st/clkgen-fsyn.c b/drivers/clk/st/clkgen-fsyn.c
index ccb324d97160..dec4eaaecc00 100644
--- a/drivers/clk/st/clkgen-fsyn.c
+++ b/drivers/clk/st/clkgen-fsyn.c
@@ -574,12 +574,16 @@ static int quadfs_pll_fs660c32_set_rate(struct clk_hw *hw, unsigned long rate,
struct stm_fs params;
long hwrate = 0;
unsigned long flags = 0;
+ int ret;
if (!rate || !parent_rate)
return -EINVAL;
- if (!clk_fs660c32_vco_get_params(parent_rate, rate, &params))
- clk_fs660c32_vco_get_rate(parent_rate, &params, &hwrate);
+ ret = clk_fs660c32_vco_get_params(parent_rate, rate, &params);
+ if (ret)
+ return ret;
+
+ clk_fs660c32_vco_get_rate(parent_rate, &params, &hwrate);
pr_debug("%s: %s new rate %ld [ndiv=0x%x]\n",
__func__, clk_hw_get_name(hw),
diff --git a/drivers/clk/st/clkgen-mux.c b/drivers/clk/st/clkgen-mux.c
index 5dc5ce217960..b1e10ffe7a44 100644
--- a/drivers/clk/st/clkgen-mux.c
+++ b/drivers/clk/st/clkgen-mux.c
@@ -26,10 +26,10 @@ static const char ** __init clkgen_mux_get_parents(struct device_node *np,
int *num_parents)
{
const char **parents;
- int nparents;
+ unsigned int nparents;
nparents = of_clk_get_parent_count(np);
- if (WARN_ON(nparents <= 0))
+ if (WARN_ON(!nparents))
return ERR_PTR(-EINVAL);
parents = kcalloc(nparents, sizeof(const char *), GFP_KERNEL);
@@ -822,11 +822,10 @@ err:
if (!clk_data->clks[i])
continue;
- composite = container_of(__clk_get_hw(clk_data->clks[i]),
- struct clk_composite, hw);
- kfree(container_of(composite->gate_hw, struct clk_gate, hw));
- kfree(container_of(composite->rate_hw, struct clk_divider, hw));
- kfree(container_of(composite->mux_hw, struct clk_mux, hw));
+ composite = to_clk_composite(__clk_get_hw(clk_data->clks[i]));
+ kfree(to_clk_gate(composite->gate_hw));
+ kfree(to_clk_divider(composite->rate_hw));
+ kfree(to_clk_mux(composite->mux_hw));
}
kfree(clk_data->clks);
diff --git a/drivers/clk/sunxi/clk-a10-hosc.c b/drivers/clk/sunxi/clk-a10-hosc.c
index 0481d5d673d6..6b598c6a0213 100644
--- a/drivers/clk/sunxi/clk-a10-hosc.c
+++ b/drivers/clk/sunxi/clk-a10-hosc.c
@@ -15,9 +15,9 @@
*/
#include <linux/clk-provider.h>
-#include <linux/clkdev.h>
#include <linux/of.h>
#include <linux/of_address.h>
+#include <linux/slab.h>
#define SUNXI_OSC24M_GATE 0
@@ -61,7 +61,6 @@ static void __init sun4i_osc_clk_setup(struct device_node *node)
goto err_free_gate;
of_clk_add_provider(node, of_clk_src_simple_get, clk);
- clk_register_clkdev(clk, clk_name, NULL);
return;
diff --git a/drivers/clk/sunxi/clk-a20-gmac.c b/drivers/clk/sunxi/clk-a20-gmac.c
index 1611b036421c..3437f734c9bf 100644
--- a/drivers/clk/sunxi/clk-a20-gmac.c
+++ b/drivers/clk/sunxi/clk-a20-gmac.c
@@ -17,7 +17,6 @@
*/
#include <linux/clk-provider.h>
-#include <linux/clkdev.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/slab.h>
@@ -107,7 +106,6 @@ static void __init sun7i_a20_gmac_clk_setup(struct device_node *node)
goto iounmap_reg;
of_clk_add_provider(node, of_clk_src_simple_get, clk);
- clk_register_clkdev(clk, clk_name, NULL);
return;
diff --git a/drivers/clk/sunxi/clk-factors.c b/drivers/clk/sunxi/clk-factors.c
index 59428dbd607a..ddefe9668863 100644
--- a/drivers/clk/sunxi/clk-factors.c
+++ b/drivers/clk/sunxi/clk-factors.c
@@ -48,7 +48,7 @@ static unsigned long clk_factors_recalc_rate(struct clk_hw *hw,
u32 reg;
unsigned long rate;
struct clk_factors *factors = to_clk_factors(hw);
- struct clk_factors_config *config = factors->config;
+ const struct clk_factors_config *config = factors->config;
/* Fetch the register value */
reg = readl(factors->reg);
@@ -63,18 +63,28 @@ static unsigned long clk_factors_recalc_rate(struct clk_hw *hw,
if (config->pwidth != SUNXI_FACTORS_NOT_APPLICABLE)
p = FACTOR_GET(config->pshift, config->pwidth, reg);
- /* Calculate the rate */
- rate = (parent_rate * (n + config->n_start) * (k + 1) >> p) / (m + 1);
+ if (factors->recalc) {
+ struct factors_request factors_req = {
+ .parent_rate = parent_rate,
+ .n = n,
+ .k = k,
+ .m = m,
+ .p = p,
+ };
- return rate;
-}
+ /* get mux details from mux clk structure */
+ if (factors->mux)
+ factors_req.parent_index =
+ (reg >> factors->mux->shift) &
+ factors->mux->mask;
-static long clk_factors_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
-{
- struct clk_factors *factors = to_clk_factors(hw);
- factors->get_factors((u32 *)&rate, (u32)*parent_rate,
- NULL, NULL, NULL, NULL);
+ factors->recalc(&factors_req);
+
+ return factors_req.rate;
+ }
+
+ /* Calculate the rate */
+ rate = (parent_rate * (n + config->n_start) * (k + 1) >> p) / (m + 1);
return rate;
}
@@ -82,6 +92,7 @@ static long clk_factors_round_rate(struct clk_hw *hw, unsigned long rate,
static int clk_factors_determine_rate(struct clk_hw *hw,
struct clk_rate_request *req)
{
+ struct clk_factors *factors = to_clk_factors(hw);
struct clk_hw *parent, *best_parent = NULL;
int i, num_parents;
unsigned long parent_rate, best = 0, child_rate, best_child_rate = 0;
@@ -89,6 +100,10 @@ static int clk_factors_determine_rate(struct clk_hw *hw,
/* find the parent that can help provide the fastest rate <= rate */
num_parents = clk_hw_get_num_parents(hw);
for (i = 0; i < num_parents; i++) {
+ struct factors_request factors_req = {
+ .rate = req->rate,
+ .parent_index = i,
+ };
parent = clk_hw_get_parent_by_index(hw, i);
if (!parent)
continue;
@@ -97,8 +112,9 @@ static int clk_factors_determine_rate(struct clk_hw *hw,
else
parent_rate = clk_hw_get_rate(parent);
- child_rate = clk_factors_round_rate(hw, req->rate,
- &parent_rate);
+ factors_req.parent_rate = parent_rate;
+ factors->get_factors(&factors_req);
+ child_rate = factors_req.rate;
if (child_rate <= req->rate && child_rate > best_child_rate) {
best_parent = parent;
@@ -120,13 +136,16 @@ static int clk_factors_determine_rate(struct clk_hw *hw,
static int clk_factors_set_rate(struct clk_hw *hw, unsigned long rate,
unsigned long parent_rate)
{
- u8 n = 0, k = 0, m = 0, p = 0;
+ struct factors_request req = {
+ .rate = rate,
+ .parent_rate = parent_rate,
+ };
u32 reg;
struct clk_factors *factors = to_clk_factors(hw);
- struct clk_factors_config *config = factors->config;
+ const struct clk_factors_config *config = factors->config;
unsigned long flags = 0;
- factors->get_factors((u32 *)&rate, (u32)parent_rate, &n, &k, &m, &p);
+ factors->get_factors(&req);
if (factors->lock)
spin_lock_irqsave(factors->lock, flags);
@@ -135,10 +154,10 @@ static int clk_factors_set_rate(struct clk_hw *hw, unsigned long rate,
reg = readl(factors->reg);
/* Set up the new factors - macros do not do anything if width is 0 */
- reg = FACTOR_SET(config->nshift, config->nwidth, reg, n);
- reg = FACTOR_SET(config->kshift, config->kwidth, reg, k);
- reg = FACTOR_SET(config->mshift, config->mwidth, reg, m);
- reg = FACTOR_SET(config->pshift, config->pwidth, reg, p);
+ reg = FACTOR_SET(config->nshift, config->nwidth, reg, req.n);
+ reg = FACTOR_SET(config->kshift, config->kwidth, reg, req.k);
+ reg = FACTOR_SET(config->mshift, config->mwidth, reg, req.m);
+ reg = FACTOR_SET(config->pshift, config->pwidth, reg, req.p);
/* Apply them now */
writel(reg, factors->reg);
@@ -155,7 +174,6 @@ static int clk_factors_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops clk_factors_ops = {
.determine_rate = clk_factors_determine_rate,
.recalc_rate = clk_factors_recalc_rate,
- .round_rate = clk_factors_round_rate,
.set_rate = clk_factors_set_rate,
};
@@ -172,7 +190,7 @@ struct clk *sunxi_factors_register(struct device_node *node,
struct clk_hw *mux_hw = NULL;
const char *clk_name = node->name;
const char *parents[FACTORS_MAX_PARENTS];
- int i = 0;
+ int ret, i = 0;
/* if we have a mux, we will have >1 parents */
i = of_clk_parent_fill(node, parents, FACTORS_MAX_PARENTS);
@@ -188,21 +206,22 @@ struct clk *sunxi_factors_register(struct device_node *node,
factors = kzalloc(sizeof(struct clk_factors), GFP_KERNEL);
if (!factors)
- return NULL;
+ goto err_factors;
/* set up factors properties */
factors->reg = reg;
factors->config = data->table;
factors->get_factors = data->getter;
+ factors->recalc = data->recalc;
factors->lock = lock;
/* Add a gate if this factor clock can be gated */
if (data->enable) {
gate = kzalloc(sizeof(struct clk_gate), GFP_KERNEL);
- if (!gate) {
- kfree(factors);
- return NULL;
- }
+ if (!gate)
+ goto err_gate;
+
+ factors->gate = gate;
/* set up gate properties */
gate->reg = reg;
@@ -214,11 +233,10 @@ struct clk *sunxi_factors_register(struct device_node *node,
/* Add a mux if this factor clock can be muxed */
if (data->mux) {
mux = kzalloc(sizeof(struct clk_mux), GFP_KERNEL);
- if (!mux) {
- kfree(factors);
- kfree(gate);
- return NULL;
- }
+ if (!mux)
+ goto err_mux;
+
+ factors->mux = mux;
/* set up gate properties */
mux->reg = reg;
@@ -233,11 +251,44 @@ struct clk *sunxi_factors_register(struct device_node *node,
mux_hw, &clk_mux_ops,
&factors->hw, &clk_factors_ops,
gate_hw, &clk_gate_ops, 0);
+ if (IS_ERR(clk))
+ goto err_register;
- if (!IS_ERR(clk)) {
- of_clk_add_provider(node, of_clk_src_simple_get, clk);
- clk_register_clkdev(clk, clk_name, NULL);
- }
+ ret = of_clk_add_provider(node, of_clk_src_simple_get, clk);
+ if (ret)
+ goto err_provider;
return clk;
+
+err_provider:
+ /* TODO: The composite clock stuff will leak a bit here. */
+ clk_unregister(clk);
+err_register:
+ kfree(mux);
+err_mux:
+ kfree(gate);
+err_gate:
+ kfree(factors);
+err_factors:
+ return NULL;
+}
+
+void sunxi_factors_unregister(struct device_node *node, struct clk *clk)
+{
+ struct clk_hw *hw = __clk_get_hw(clk);
+ struct clk_factors *factors;
+ const char *name;
+
+ if (!hw)
+ return;
+
+ factors = to_clk_factors(hw);
+ name = clk_hw_get_name(hw);
+
+ of_clk_del_provider(node);
+ /* TODO: The composite clock stuff will leak a bit here. */
+ clk_unregister(clk);
+ kfree(factors->mux);
+ kfree(factors->gate);
+ kfree(factors);
}
diff --git a/drivers/clk/sunxi/clk-factors.h b/drivers/clk/sunxi/clk-factors.h
index 171085ab5513..1e63c5b2d5f4 100644
--- a/drivers/clk/sunxi/clk-factors.h
+++ b/drivers/clk/sunxi/clk-factors.h
@@ -2,7 +2,6 @@
#define __MACH_SUNXI_CLK_FACTORS_H
#include <linux/clk-provider.h>
-#include <linux/clkdev.h>
#include <linux/spinlock.h>
#define SUNXI_FACTORS_NOT_APPLICABLE (0)
@@ -19,21 +18,36 @@ struct clk_factors_config {
u8 n_start;
};
+struct factors_request {
+ unsigned long rate;
+ unsigned long parent_rate;
+ u8 parent_index;
+ u8 n;
+ u8 k;
+ u8 m;
+ u8 p;
+};
+
struct factors_data {
int enable;
int mux;
int muxmask;
- struct clk_factors_config *table;
- void (*getter) (u32 *rate, u32 parent_rate, u8 *n, u8 *k, u8 *m, u8 *p);
+ const struct clk_factors_config *table;
+ void (*getter)(struct factors_request *req);
+ void (*recalc)(struct factors_request *req);
const char *name;
};
struct clk_factors {
struct clk_hw hw;
void __iomem *reg;
- struct clk_factors_config *config;
- void (*get_factors) (u32 *rate, u32 parent, u8 *n, u8 *k, u8 *m, u8 *p);
+ const struct clk_factors_config *config;
+ void (*get_factors)(struct factors_request *req);
+ void (*recalc)(struct factors_request *req);
spinlock_t *lock;
+ /* for cleanup */
+ struct clk_mux *mux;
+ struct clk_gate *gate;
};
struct clk *sunxi_factors_register(struct device_node *node,
@@ -41,4 +55,6 @@ struct clk *sunxi_factors_register(struct device_node *node,
spinlock_t *lock,
void __iomem *reg);
+void sunxi_factors_unregister(struct device_node *node, struct clk *clk);
+
#endif
diff --git a/drivers/clk/sunxi/clk-mod0.c b/drivers/clk/sunxi/clk-mod0.c
index d167e1efb927..b38d71cec74c 100644
--- a/drivers/clk/sunxi/clk-mod0.c
+++ b/drivers/clk/sunxi/clk-mod0.c
@@ -15,6 +15,7 @@
*/
#include <linux/clk.h>
+#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
@@ -28,17 +29,16 @@
* rate = (parent_rate >> p) / (m + 1);
*/
-static void sun4i_a10_get_mod0_factors(u32 *freq, u32 parent_rate,
- u8 *n, u8 *k, u8 *m, u8 *p)
+static void sun4i_a10_get_mod0_factors(struct factors_request *req)
{
u8 div, calcm, calcp;
/* These clocks can only divide, so we will never be able to achieve
* frequencies higher than the parent frequency */
- if (*freq > parent_rate)
- *freq = parent_rate;
+ if (req->rate > req->parent_rate)
+ req->rate = req->parent_rate;
- div = DIV_ROUND_UP(parent_rate, *freq);
+ div = DIV_ROUND_UP(req->parent_rate, req->rate);
if (div < 16)
calcp = 0;
@@ -51,18 +51,13 @@ static void sun4i_a10_get_mod0_factors(u32 *freq, u32 parent_rate,
calcm = DIV_ROUND_UP(div, 1 << calcp);
- *freq = (parent_rate >> calcp) / calcm;
-
- /* we were called to round the frequency, we can now return */
- if (n == NULL)
- return;
-
- *m = calcm - 1;
- *p = calcp;
+ req->rate = (req->parent_rate >> calcp) / calcm;
+ req->m = calcm - 1;
+ req->p = calcp;
}
/* user manual says "n" but it's really "p" */
-static struct clk_factors_config sun4i_a10_mod0_config = {
+static const struct clk_factors_config sun4i_a10_mod0_config = {
.mshift = 0,
.mwidth = 4,
.pshift = 16,
diff --git a/drivers/clk/sunxi/clk-simple-gates.c b/drivers/clk/sunxi/clk-simple-gates.c
index f4da52b5ca0e..a085c3bc127c 100644
--- a/drivers/clk/sunxi/clk-simple-gates.c
+++ b/drivers/clk/sunxi/clk-simple-gates.c
@@ -98,6 +98,8 @@ static void __init sunxi_simple_gates_init(struct device_node *node)
sunxi_simple_gates_setup(node, NULL, 0);
}
+CLK_OF_DECLARE(sun4i_a10_gates, "allwinner,sun4i-a10-gates-clk",
+ sunxi_simple_gates_init);
CLK_OF_DECLARE(sun4i_a10_apb0, "allwinner,sun4i-a10-apb0-gates-clk",
sunxi_simple_gates_init);
CLK_OF_DECLARE(sun4i_a10_apb1, "allwinner,sun4i-a10-apb1-gates-clk",
@@ -130,6 +132,8 @@ CLK_OF_DECLARE(sun8i_a23_apb2, "allwinner,sun8i-a23-apb2-gates-clk",
sunxi_simple_gates_init);
CLK_OF_DECLARE(sun8i_a33_ahb1, "allwinner,sun8i-a33-ahb1-gates-clk",
sunxi_simple_gates_init);
+CLK_OF_DECLARE(sun8i_a83t_apb0, "allwinner,sun8i-a83t-apb0-gates-clk",
+ sunxi_simple_gates_init);
CLK_OF_DECLARE(sun9i_a80_ahb0, "allwinner,sun9i-a80-ahb0-gates-clk",
sunxi_simple_gates_init);
CLK_OF_DECLARE(sun9i_a80_ahb1, "allwinner,sun9i-a80-ahb1-gates-clk",
diff --git a/drivers/clk/sunxi/clk-sun6i-apb0-gates.c b/drivers/clk/sunxi/clk-sun6i-apb0-gates.c
index 23d042aabb4f..68021fa5ecd9 100644
--- a/drivers/clk/sunxi/clk-sun6i-apb0-gates.c
+++ b/drivers/clk/sunxi/clk-sun6i-apb0-gates.c
@@ -9,7 +9,6 @@
*/
#include <linux/clk-provider.h>
-#include <linux/clkdev.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
@@ -87,7 +86,6 @@ static int sun6i_a31_apb0_gates_clk_probe(struct platform_device *pdev)
clk_parent, 0, reg, i,
0, NULL);
WARN_ON(IS_ERR(clk_data->clks[i]));
- clk_register_clkdev(clk_data->clks[i], clk_name, NULL);
j++;
}
diff --git a/drivers/clk/sunxi/clk-sun6i-ar100.c b/drivers/clk/sunxi/clk-sun6i-ar100.c
index 20887686bdbe..84a187e55360 100644
--- a/drivers/clk/sunxi/clk-sun6i-ar100.c
+++ b/drivers/clk/sunxi/clk-sun6i-ar100.c
@@ -8,211 +8,97 @@
*
*/
+#include <linux/bitops.h>
#include <linux/clk-provider.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/platform_device.h>
+#include <linux/spinlock.h>
-#define SUN6I_AR100_MAX_PARENTS 4
-#define SUN6I_AR100_SHIFT_MASK 0x3
-#define SUN6I_AR100_SHIFT_MAX SUN6I_AR100_SHIFT_MASK
-#define SUN6I_AR100_SHIFT_SHIFT 4
-#define SUN6I_AR100_DIV_MASK 0x1f
-#define SUN6I_AR100_DIV_MAX (SUN6I_AR100_DIV_MASK + 1)
-#define SUN6I_AR100_DIV_SHIFT 8
-#define SUN6I_AR100_MUX_MASK 0x3
-#define SUN6I_AR100_MUX_SHIFT 16
-
-struct ar100_clk {
- struct clk_hw hw;
- void __iomem *reg;
-};
-
-static inline struct ar100_clk *to_ar100_clk(struct clk_hw *hw)
-{
- return container_of(hw, struct ar100_clk, hw);
-}
-
-static unsigned long ar100_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct ar100_clk *clk = to_ar100_clk(hw);
- u32 val = readl(clk->reg);
- int shift = (val >> SUN6I_AR100_SHIFT_SHIFT) & SUN6I_AR100_SHIFT_MASK;
- int div = (val >> SUN6I_AR100_DIV_SHIFT) & SUN6I_AR100_DIV_MASK;
-
- return (parent_rate >> shift) / (div + 1);
-}
-
-static int ar100_determine_rate(struct clk_hw *hw,
- struct clk_rate_request *req)
-{
- int nparents = clk_hw_get_num_parents(hw);
- long best_rate = -EINVAL;
- int i;
-
- req->best_parent_hw = NULL;
-
- for (i = 0; i < nparents; i++) {
- unsigned long parent_rate;
- unsigned long tmp_rate;
- struct clk_hw *parent;
- unsigned long div;
- int shift;
-
- parent = clk_hw_get_parent_by_index(hw, i);
- parent_rate = clk_hw_get_rate(parent);
- div = DIV_ROUND_UP(parent_rate, req->rate);
-
- /*
- * The AR100 clk contains 2 divisors:
- * - one power of 2 divisor
- * - one regular divisor
- *
- * First check if we can safely shift (or divide by a power
- * of 2) without losing precision on the requested rate.
- */
- shift = ffs(div) - 1;
- if (shift > SUN6I_AR100_SHIFT_MAX)
- shift = SUN6I_AR100_SHIFT_MAX;
-
- div >>= shift;
-
- /*
- * Then if the divisor is still bigger than what the HW
- * actually supports, use a bigger shift (or power of 2
- * divider) value and accept to lose some precision.
- */
- while (div > SUN6I_AR100_DIV_MAX) {
- shift++;
- div >>= 1;
- if (shift > SUN6I_AR100_SHIFT_MAX)
- break;
- }
-
- /*
- * If the shift value (or power of 2 divider) is bigger
- * than what the HW actually support, skip this parent.
- */
- if (shift > SUN6I_AR100_SHIFT_MAX)
- continue;
-
- tmp_rate = (parent_rate >> shift) / div;
- if (!req->best_parent_hw || tmp_rate > best_rate) {
- req->best_parent_hw = parent;
- req->best_parent_rate = parent_rate;
- best_rate = tmp_rate;
- }
- }
-
- if (best_rate < 0)
- return best_rate;
-
- req->rate = best_rate;
-
- return 0;
-}
-
-static int ar100_set_parent(struct clk_hw *hw, u8 index)
-{
- struct ar100_clk *clk = to_ar100_clk(hw);
- u32 val = readl(clk->reg);
-
- if (index >= SUN6I_AR100_MAX_PARENTS)
- return -EINVAL;
-
- val &= ~(SUN6I_AR100_MUX_MASK << SUN6I_AR100_MUX_SHIFT);
- val |= (index << SUN6I_AR100_MUX_SHIFT);
- writel(val, clk->reg);
-
- return 0;
-}
+#include "clk-factors.h"
-static u8 ar100_get_parent(struct clk_hw *hw)
-{
- struct ar100_clk *clk = to_ar100_clk(hw);
- return (readl(clk->reg) >> SUN6I_AR100_MUX_SHIFT) &
- SUN6I_AR100_MUX_MASK;
-}
-
-static int ar100_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
+/**
+ * sun6i_get_ar100_factors - Calculates factors p, m for AR100
+ *
+ * AR100 rate is calculated as follows
+ * rate = (parent_rate >> p) / (m + 1);
+ */
+static void sun6i_get_ar100_factors(struct factors_request *req)
{
- unsigned long div = parent_rate / rate;
- struct ar100_clk *clk = to_ar100_clk(hw);
- u32 val = readl(clk->reg);
+ unsigned long div;
int shift;
- if (parent_rate % rate)
- return -EINVAL;
+ /* clock only divides */
+ if (req->rate > req->parent_rate)
+ req->rate = req->parent_rate;
- shift = ffs(div) - 1;
- if (shift > SUN6I_AR100_SHIFT_MAX)
- shift = SUN6I_AR100_SHIFT_MAX;
+ div = DIV_ROUND_UP(req->parent_rate, req->rate);
- div >>= shift;
+ if (div < 32)
+ shift = 0;
+ else if (div >> 1 < 32)
+ shift = 1;
+ else if (div >> 2 < 32)
+ shift = 2;
+ else
+ shift = 3;
- if (div > SUN6I_AR100_DIV_MAX)
- return -EINVAL;
+ div >>= shift;
- val &= ~((SUN6I_AR100_SHIFT_MASK << SUN6I_AR100_SHIFT_SHIFT) |
- (SUN6I_AR100_DIV_MASK << SUN6I_AR100_DIV_SHIFT));
- val |= (shift << SUN6I_AR100_SHIFT_SHIFT) |
- (div << SUN6I_AR100_DIV_SHIFT);
- writel(val, clk->reg);
+ if (div > 32)
+ div = 32;
- return 0;
+ req->rate = (req->parent_rate >> shift) / div;
+ req->m = div - 1;
+ req->p = shift;
}
-static struct clk_ops ar100_ops = {
- .recalc_rate = ar100_recalc_rate,
- .determine_rate = ar100_determine_rate,
- .set_parent = ar100_set_parent,
- .get_parent = ar100_get_parent,
- .set_rate = ar100_set_rate,
+static const struct clk_factors_config sun6i_ar100_config = {
+ .mwidth = 5,
+ .mshift = 8,
+ .pwidth = 2,
+ .pshift = 4,
};
+static const struct factors_data sun6i_ar100_data = {
+ .mux = 16,
+ .muxmask = GENMASK(1, 0),
+ .table = &sun6i_ar100_config,
+ .getter = sun6i_get_ar100_factors,
+};
+
+static DEFINE_SPINLOCK(sun6i_ar100_lock);
+
static int sun6i_a31_ar100_clk_probe(struct platform_device *pdev)
{
- const char *parents[SUN6I_AR100_MAX_PARENTS];
struct device_node *np = pdev->dev.of_node;
- const char *clk_name = np->name;
- struct clk_init_data init;
- struct ar100_clk *ar100;
struct resource *r;
+ void __iomem *reg;
struct clk *clk;
- int nparents;
-
- ar100 = devm_kzalloc(&pdev->dev, sizeof(*ar100), GFP_KERNEL);
- if (!ar100)
- return -ENOMEM;
r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- ar100->reg = devm_ioremap_resource(&pdev->dev, r);
- if (IS_ERR(ar100->reg))
- return PTR_ERR(ar100->reg);
+ reg = devm_ioremap_resource(&pdev->dev, r);
+ if (IS_ERR(reg))
+ return PTR_ERR(reg);
- nparents = of_clk_get_parent_count(np);
- if (nparents > SUN6I_AR100_MAX_PARENTS)
- nparents = SUN6I_AR100_MAX_PARENTS;
-
- of_clk_parent_fill(np, parents, nparents);
+ clk = sunxi_factors_register(np, &sun6i_ar100_data, &sun6i_ar100_lock,
+ reg);
+ if (!clk)
+ return -ENOMEM;
- of_property_read_string(np, "clock-output-names", &clk_name);
+ platform_set_drvdata(pdev, clk);
- init.name = clk_name;
- init.ops = &ar100_ops;
- init.parent_names = parents;
- init.num_parents = nparents;
- init.flags = 0;
+ return 0;
+}
- ar100->hw.init = &init;
+static int sun6i_a31_ar100_clk_remove(struct platform_device *pdev)
+{
+ struct device_node *np = pdev->dev.of_node;
+ struct clk *clk = platform_get_drvdata(pdev);
- clk = clk_register(&pdev->dev, &ar100->hw);
- if (IS_ERR(clk))
- return PTR_ERR(clk);
+ sunxi_factors_unregister(np, clk);
- return of_clk_add_provider(np, of_clk_src_simple_get, clk);
+ return 0;
}
static const struct of_device_id sun6i_a31_ar100_clk_dt_ids[] = {
@@ -227,6 +113,7 @@ static struct platform_driver sun6i_a31_ar100_clk_driver = {
.of_match_table = sun6i_a31_ar100_clk_dt_ids,
},
.probe = sun6i_a31_ar100_clk_probe,
+ .remove = sun6i_a31_ar100_clk_remove,
};
module_platform_driver(sun6i_a31_ar100_clk_driver);
diff --git a/drivers/clk/sunxi/clk-sun8i-apb0.c b/drivers/clk/sunxi/clk-sun8i-apb0.c
index 7ba61103a6f5..2ea61debffc1 100644
--- a/drivers/clk/sunxi/clk-sun8i-apb0.c
+++ b/drivers/clk/sunxi/clk-sun8i-apb0.c
@@ -36,7 +36,7 @@ static struct clk *sun8i_a23_apb0_register(struct device_node *node,
/* The A23 APB0 clock is a standard 2 bit wide divider clock */
clk = clk_register_divider(NULL, clk_name, clk_parent, 0, reg,
- 0, 2, CLK_DIVIDER_POWER_OF_TWO, NULL);
+ 0, 2, 0, NULL);
if (IS_ERR(clk))
return clk;
diff --git a/drivers/clk/sunxi/clk-sun8i-bus-gates.c b/drivers/clk/sunxi/clk-sun8i-bus-gates.c
index e32d18ba252b..63fdb790df29 100644
--- a/drivers/clk/sunxi/clk-sun8i-bus-gates.c
+++ b/drivers/clk/sunxi/clk-sun8i-bus-gates.c
@@ -17,7 +17,6 @@
* GNU General Public License for more details.
*/
-#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/of.h>
#include <linux/of_address.h>
@@ -110,3 +109,5 @@ err_unmap:
CLK_OF_DECLARE(sun8i_h3_bus_gates, "allwinner,sun8i-h3-bus-gates-clk",
sun8i_h3_bus_gates_init);
+CLK_OF_DECLARE(sun8i_a83t_bus_gates, "allwinner,sun8i-a83t-bus-gates-clk",
+ sun8i_h3_bus_gates_init);
diff --git a/drivers/clk/sunxi/clk-sun8i-mbus.c b/drivers/clk/sunxi/clk-sun8i-mbus.c
index bf117a636d23..411d3033a96e 100644
--- a/drivers/clk/sunxi/clk-sun8i-mbus.c
+++ b/drivers/clk/sunxi/clk-sun8i-mbus.c
@@ -15,74 +15,106 @@
*/
#include <linux/clk.h>
+#include <linux/clkdev.h>
#include <linux/clk-provider.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
#include <linux/of_address.h>
-#include "clk-factors.h"
+#define SUN8I_MBUS_ENABLE 31
+#define SUN8I_MBUS_MUX_SHIFT 24
+#define SUN8I_MBUS_MUX_MASK 0x3
+#define SUN8I_MBUS_DIV_SHIFT 0
+#define SUN8I_MBUS_DIV_WIDTH 3
+#define SUN8I_MBUS_MAX_PARENTS 4
-/**
- * sun8i_a23_get_mbus_factors() - calculates m factor for MBUS clocks
- * MBUS rate is calculated as follows
- * rate = parent_rate / (m + 1);
- */
+static DEFINE_SPINLOCK(sun8i_a23_mbus_lock);
-static void sun8i_a23_get_mbus_factors(u32 *freq, u32 parent_rate,
- u8 *n, u8 *k, u8 *m, u8 *p)
+static void __init sun8i_a23_mbus_setup(struct device_node *node)
{
- u8 div;
+ int num_parents = of_clk_get_parent_count(node);
+ const char **parents;
+ const char *clk_name = node->name;
+ struct resource res;
+ struct clk_divider *div;
+ struct clk_gate *gate;
+ struct clk_mux *mux;
+ struct clk *clk;
+ void __iomem *reg;
+ int err;
- /*
- * These clocks can only divide, so we will never be able to
- * achieve frequencies higher than the parent frequency
- */
- if (*freq > parent_rate)
- *freq = parent_rate;
+ parents = kcalloc(num_parents, sizeof(*parents), GFP_KERNEL);
+ if (!parents)
+ return;
- div = DIV_ROUND_UP(parent_rate, *freq);
+ reg = of_io_request_and_map(node, 0, of_node_full_name(node));
+ if (!reg) {
+ pr_err("Could not get registers for sun8i-mbus-clk\n");
+ goto err_free_parents;
+ }
- if (div > 8)
- div = 8;
+ div = kzalloc(sizeof(*div), GFP_KERNEL);
+ if (!div)
+ goto err_unmap;
- *freq = parent_rate / div;
+ mux = kzalloc(sizeof(*mux), GFP_KERNEL);
+ if (!mux)
+ goto err_free_div;
- /* we were called to round the frequency, we can now return */
- if (m == NULL)
- return;
+ gate = kzalloc(sizeof(*gate), GFP_KERNEL);
+ if (!gate)
+ goto err_free_mux;
- *m = div - 1;
-}
+ of_property_read_string(node, "clock-output-names", &clk_name);
+ of_clk_parent_fill(node, parents, num_parents);
-static struct clk_factors_config sun8i_a23_mbus_config = {
- .mshift = 0,
- .mwidth = 3,
-};
+ gate->reg = reg;
+ gate->bit_idx = SUN8I_MBUS_ENABLE;
+ gate->lock = &sun8i_a23_mbus_lock;
-static const struct factors_data sun8i_a23_mbus_data __initconst = {
- .enable = 31,
- .mux = 24,
- .muxmask = BIT(1) | BIT(0),
- .table = &sun8i_a23_mbus_config,
- .getter = sun8i_a23_get_mbus_factors,
-};
+ div->reg = reg;
+ div->shift = SUN8I_MBUS_DIV_SHIFT;
+ div->width = SUN8I_MBUS_DIV_WIDTH;
+ div->lock = &sun8i_a23_mbus_lock;
-static DEFINE_SPINLOCK(sun8i_a23_mbus_lock);
-
-static void __init sun8i_a23_mbus_setup(struct device_node *node)
-{
- struct clk *mbus;
- void __iomem *reg;
+ mux->reg = reg;
+ mux->shift = SUN8I_MBUS_MUX_SHIFT;
+ mux->mask = SUN8I_MBUS_MUX_MASK;
+ mux->lock = &sun8i_a23_mbus_lock;
- reg = of_iomap(node, 0);
- if (!reg) {
- pr_err("Could not get registers for a23-mbus-clk\n");
- return;
- }
+ clk = clk_register_composite(NULL, clk_name, parents, num_parents,
+ &mux->hw, &clk_mux_ops,
+ &div->hw, &clk_divider_ops,
+ &gate->hw, &clk_gate_ops,
+ 0);
+ if (IS_ERR(clk))
+ goto err_free_gate;
- mbus = sunxi_factors_register(node, &sun8i_a23_mbus_data,
- &sun8i_a23_mbus_lock, reg);
+ err = of_clk_add_provider(node, of_clk_src_simple_get, clk);
+ if (err)
+ goto err_unregister_clk;
+ kfree(parents); /* parents is deep copied */
/* The MBUS clocks needs to be always enabled */
- __clk_get(mbus);
- clk_prepare_enable(mbus);
+ __clk_get(clk);
+ clk_prepare_enable(clk);
+
+ return;
+
+err_unregister_clk:
+ /* TODO: The composite clock stuff will leak a bit here. */
+ clk_unregister(clk);
+err_free_gate:
+ kfree(gate);
+err_free_mux:
+ kfree(mux);
+err_free_div:
+ kfree(div);
+err_unmap:
+ iounmap(reg);
+ of_address_to_resource(node, 0, &res);
+ release_mem_region(res.start, resource_size(&res));
+err_free_parents:
+ kfree(parents);
}
CLK_OF_DECLARE(sun8i_a23_mbus, "allwinner,sun8i-a23-mbus-clk", sun8i_a23_mbus_setup);
diff --git a/drivers/clk/sunxi/clk-sun9i-core.c b/drivers/clk/sunxi/clk-sun9i-core.c
index 6c4c98324d3c..43f014f85803 100644
--- a/drivers/clk/sunxi/clk-sun9i-core.c
+++ b/drivers/clk/sunxi/clk-sun9i-core.c
@@ -15,6 +15,7 @@
*/
#include <linux/clk.h>
+#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/of.h>
#include <linux/of_address.h>
@@ -32,15 +33,14 @@
* p and m are named div1 and div2 in Allwinner's SDK
*/
-static void sun9i_a80_get_pll4_factors(u32 *freq, u32 parent_rate,
- u8 *n_ret, u8 *k, u8 *m_ret, u8 *p_ret)
+static void sun9i_a80_get_pll4_factors(struct factors_request *req)
{
int n;
int m = 1;
int p = 1;
/* Normalize value to a 6 MHz multiple (24 MHz / 4) */
- n = DIV_ROUND_UP(*freq, 6000000);
+ n = DIV_ROUND_UP(req->rate, 6000000);
/* If n is too large switch to steps of 12 MHz */
if (n > 255) {
@@ -60,18 +60,13 @@ static void sun9i_a80_get_pll4_factors(u32 *freq, u32 parent_rate,
else if (n < 12)
n = 12;
- *freq = ((24000000 * n) >> p) / (m + 1);
-
- /* we were called to round the frequency, we can now return */
- if (n_ret == NULL)
- return;
-
- *n_ret = n;
- *m_ret = m;
- *p_ret = p;
+ req->rate = ((24000000 * n) >> p) / (m + 1);
+ req->n = n;
+ req->m = m;
+ req->p = p;
}
-static struct clk_factors_config sun9i_a80_pll4_config = {
+static const struct clk_factors_config sun9i_a80_pll4_config = {
.mshift = 18,
.mwidth = 1,
.nshift = 8,
@@ -111,30 +106,24 @@ CLK_OF_DECLARE(sun9i_a80_pll4, "allwinner,sun9i-a80-pll4-clk", sun9i_a80_pll4_se
* rate = parent_rate / (m + 1);
*/
-static void sun9i_a80_get_gt_factors(u32 *freq, u32 parent_rate,
- u8 *n, u8 *k, u8 *m, u8 *p)
+static void sun9i_a80_get_gt_factors(struct factors_request *req)
{
u32 div;
- if (parent_rate < *freq)
- *freq = parent_rate;
+ if (req->parent_rate < req->rate)
+ req->rate = req->parent_rate;
- div = DIV_ROUND_UP(parent_rate, *freq);
+ div = DIV_ROUND_UP(req->parent_rate, req->rate);
/* maximum divider is 4 */
if (div > 4)
div = 4;
- *freq = parent_rate / div;
-
- /* we were called to round the frequency, we can now return */
- if (!m)
- return;
-
- *m = div;
+ req->rate = req->parent_rate / div;
+ req->m = div;
}
-static struct clk_factors_config sun9i_a80_gt_config = {
+static const struct clk_factors_config sun9i_a80_gt_config = {
.mshift = 0,
.mwidth = 2,
};
@@ -176,30 +165,24 @@ CLK_OF_DECLARE(sun9i_a80_gt, "allwinner,sun9i-a80-gt-clk", sun9i_a80_gt_setup);
* rate = parent_rate >> p;
*/
-static void sun9i_a80_get_ahb_factors(u32 *freq, u32 parent_rate,
- u8 *n, u8 *k, u8 *m, u8 *p)
+static void sun9i_a80_get_ahb_factors(struct factors_request *req)
{
u32 _p;
- if (parent_rate < *freq)
- *freq = parent_rate;
+ if (req->parent_rate < req->rate)
+ req->rate = req->parent_rate;
- _p = order_base_2(DIV_ROUND_UP(parent_rate, *freq));
+ _p = order_base_2(DIV_ROUND_UP(req->parent_rate, req->rate));
/* maximum p is 3 */
if (_p > 3)
_p = 3;
- *freq = parent_rate >> _p;
-
- /* we were called to round the frequency, we can now return */
- if (!p)
- return;
-
- *p = _p;
+ req->rate = req->parent_rate >> _p;
+ req->p = _p;
}
-static struct clk_factors_config sun9i_a80_ahb_config = {
+static const struct clk_factors_config sun9i_a80_ahb_config = {
.pshift = 0,
.pwidth = 2,
};
@@ -262,34 +245,25 @@ CLK_OF_DECLARE(sun9i_a80_apb0, "allwinner,sun9i-a80-apb0-clk", sun9i_a80_apb0_se
* rate = (parent_rate >> p) / (m + 1);
*/
-static void sun9i_a80_get_apb1_factors(u32 *freq, u32 parent_rate,
- u8 *n, u8 *k, u8 *m, u8 *p)
+static void sun9i_a80_get_apb1_factors(struct factors_request *req)
{
u32 div;
- u8 calcm, calcp;
- if (parent_rate < *freq)
- *freq = parent_rate;
+ if (req->parent_rate < req->rate)
+ req->rate = req->parent_rate;
- div = DIV_ROUND_UP(parent_rate, *freq);
+ div = DIV_ROUND_UP(req->parent_rate, req->rate);
/* Highest possible divider is 256 (p = 3, m = 31) */
if (div > 256)
div = 256;
- calcp = order_base_2(div);
- calcm = (parent_rate >> calcp) - 1;
- *freq = (parent_rate >> calcp) / (calcm + 1);
-
- /* we were called to round the frequency, we can now return */
- if (n == NULL)
- return;
-
- *m = calcm;
- *p = calcp;
+ req->p = order_base_2(div);
+ req->m = (req->parent_rate >> req->p) - 1;
+ req->rate = (req->parent_rate >> req->p) / (req->m + 1);
}
-static struct clk_factors_config sun9i_a80_apb1_config = {
+static const struct clk_factors_config sun9i_a80_apb1_config = {
.mshift = 0,
.mwidth = 5,
.pshift = 16,
diff --git a/drivers/clk/sunxi/clk-sunxi.c b/drivers/clk/sunxi/clk-sunxi.c
index 5ba2188ee99c..91de0a006773 100644
--- a/drivers/clk/sunxi/clk-sunxi.c
+++ b/drivers/clk/sunxi/clk-sunxi.c
@@ -28,214 +28,6 @@
static DEFINE_SPINLOCK(clk_lock);
-/**
- * sun6i_a31_ahb1_clk_setup() - Setup function for a31 ahb1 composite clk
- */
-
-#define SUN6I_AHB1_MAX_PARENTS 4
-#define SUN6I_AHB1_MUX_PARENT_PLL6 3
-#define SUN6I_AHB1_MUX_SHIFT 12
-/* un-shifted mask is what mux_clk expects */
-#define SUN6I_AHB1_MUX_MASK 0x3
-#define SUN6I_AHB1_MUX_GET_PARENT(reg) ((reg >> SUN6I_AHB1_MUX_SHIFT) & \
- SUN6I_AHB1_MUX_MASK)
-
-#define SUN6I_AHB1_DIV_SHIFT 4
-#define SUN6I_AHB1_DIV_MASK (0x3 << SUN6I_AHB1_DIV_SHIFT)
-#define SUN6I_AHB1_DIV_GET(reg) ((reg & SUN6I_AHB1_DIV_MASK) >> \
- SUN6I_AHB1_DIV_SHIFT)
-#define SUN6I_AHB1_DIV_SET(reg, div) ((reg & ~SUN6I_AHB1_DIV_MASK) | \
- (div << SUN6I_AHB1_DIV_SHIFT))
-#define SUN6I_AHB1_PLL6_DIV_SHIFT 6
-#define SUN6I_AHB1_PLL6_DIV_MASK (0x3 << SUN6I_AHB1_PLL6_DIV_SHIFT)
-#define SUN6I_AHB1_PLL6_DIV_GET(reg) ((reg & SUN6I_AHB1_PLL6_DIV_MASK) >> \
- SUN6I_AHB1_PLL6_DIV_SHIFT)
-#define SUN6I_AHB1_PLL6_DIV_SET(reg, div) ((reg & ~SUN6I_AHB1_PLL6_DIV_MASK) | \
- (div << SUN6I_AHB1_PLL6_DIV_SHIFT))
-
-struct sun6i_ahb1_clk {
- struct clk_hw hw;
- void __iomem *reg;
-};
-
-#define to_sun6i_ahb1_clk(_hw) container_of(_hw, struct sun6i_ahb1_clk, hw)
-
-static unsigned long sun6i_ahb1_clk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct sun6i_ahb1_clk *ahb1 = to_sun6i_ahb1_clk(hw);
- unsigned long rate;
- u32 reg;
-
- /* Fetch the register value */
- reg = readl(ahb1->reg);
-
- /* apply pre-divider first if parent is pll6 */
- if (SUN6I_AHB1_MUX_GET_PARENT(reg) == SUN6I_AHB1_MUX_PARENT_PLL6)
- parent_rate /= SUN6I_AHB1_PLL6_DIV_GET(reg) + 1;
-
- /* clk divider */
- rate = parent_rate >> SUN6I_AHB1_DIV_GET(reg);
-
- return rate;
-}
-
-static long sun6i_ahb1_clk_round(unsigned long rate, u8 *divp, u8 *pre_divp,
- u8 parent, unsigned long parent_rate)
-{
- u8 div, calcp, calcm = 1;
-
- /*
- * clock can only divide, so we will never be able to achieve
- * frequencies higher than the parent frequency
- */
- if (parent_rate && rate > parent_rate)
- rate = parent_rate;
-
- div = DIV_ROUND_UP(parent_rate, rate);
-
- /* calculate pre-divider if parent is pll6 */
- if (parent == SUN6I_AHB1_MUX_PARENT_PLL6) {
- if (div < 4)
- calcp = 0;
- else if (div / 2 < 4)
- calcp = 1;
- else if (div / 4 < 4)
- calcp = 2;
- else
- calcp = 3;
-
- calcm = DIV_ROUND_UP(div, 1 << calcp);
- } else {
- calcp = __roundup_pow_of_two(div);
- calcp = calcp > 3 ? 3 : calcp;
- }
-
- /* we were asked to pass back divider values */
- if (divp) {
- *divp = calcp;
- *pre_divp = calcm - 1;
- }
-
- return (parent_rate / calcm) >> calcp;
-}
-
-static int sun6i_ahb1_clk_determine_rate(struct clk_hw *hw,
- struct clk_rate_request *req)
-{
- struct clk_hw *parent, *best_parent = NULL;
- int i, num_parents;
- unsigned long parent_rate, best = 0, child_rate, best_child_rate = 0;
-
- /* find the parent that can help provide the fastest rate <= rate */
- num_parents = clk_hw_get_num_parents(hw);
- for (i = 0; i < num_parents; i++) {
- parent = clk_hw_get_parent_by_index(hw, i);
- if (!parent)
- continue;
- if (clk_hw_get_flags(hw) & CLK_SET_RATE_PARENT)
- parent_rate = clk_hw_round_rate(parent, req->rate);
- else
- parent_rate = clk_hw_get_rate(parent);
-
- child_rate = sun6i_ahb1_clk_round(req->rate, NULL, NULL, i,
- parent_rate);
-
- if (child_rate <= req->rate && child_rate > best_child_rate) {
- best_parent = parent;
- best = parent_rate;
- best_child_rate = child_rate;
- }
- }
-
- if (!best_parent)
- return -EINVAL;
-
- req->best_parent_hw = best_parent;
- req->best_parent_rate = best;
- req->rate = best_child_rate;
-
- return 0;
-}
-
-static int sun6i_ahb1_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct sun6i_ahb1_clk *ahb1 = to_sun6i_ahb1_clk(hw);
- unsigned long flags;
- u8 div, pre_div, parent;
- u32 reg;
-
- spin_lock_irqsave(&clk_lock, flags);
-
- reg = readl(ahb1->reg);
-
- /* need to know which parent is used to apply pre-divider */
- parent = SUN6I_AHB1_MUX_GET_PARENT(reg);
- sun6i_ahb1_clk_round(rate, &div, &pre_div, parent, parent_rate);
-
- reg = SUN6I_AHB1_DIV_SET(reg, div);
- reg = SUN6I_AHB1_PLL6_DIV_SET(reg, pre_div);
- writel(reg, ahb1->reg);
-
- spin_unlock_irqrestore(&clk_lock, flags);
-
- return 0;
-}
-
-static const struct clk_ops sun6i_ahb1_clk_ops = {
- .determine_rate = sun6i_ahb1_clk_determine_rate,
- .recalc_rate = sun6i_ahb1_clk_recalc_rate,
- .set_rate = sun6i_ahb1_clk_set_rate,
-};
-
-static void __init sun6i_ahb1_clk_setup(struct device_node *node)
-{
- struct clk *clk;
- struct sun6i_ahb1_clk *ahb1;
- struct clk_mux *mux;
- const char *clk_name = node->name;
- const char *parents[SUN6I_AHB1_MAX_PARENTS];
- void __iomem *reg;
- int i;
-
- reg = of_io_request_and_map(node, 0, of_node_full_name(node));
- if (IS_ERR(reg))
- return;
-
- /* we have a mux, we will have >1 parents */
- i = of_clk_parent_fill(node, parents, SUN6I_AHB1_MAX_PARENTS);
- of_property_read_string(node, "clock-output-names", &clk_name);
-
- ahb1 = kzalloc(sizeof(struct sun6i_ahb1_clk), GFP_KERNEL);
- if (!ahb1)
- return;
-
- mux = kzalloc(sizeof(struct clk_mux), GFP_KERNEL);
- if (!mux) {
- kfree(ahb1);
- return;
- }
-
- /* set up clock properties */
- mux->reg = reg;
- mux->shift = SUN6I_AHB1_MUX_SHIFT;
- mux->mask = SUN6I_AHB1_MUX_MASK;
- mux->lock = &clk_lock;
- ahb1->reg = reg;
-
- clk = clk_register_composite(NULL, clk_name, parents, i,
- &mux->hw, &clk_mux_ops,
- &ahb1->hw, &sun6i_ahb1_clk_ops,
- NULL, NULL, 0);
-
- if (!IS_ERR(clk)) {
- of_clk_add_provider(node, of_clk_src_simple_get, clk);
- clk_register_clkdev(clk, clk_name, NULL);
- }
-}
-CLK_OF_DECLARE(sun6i_a31_ahb1, "allwinner,sun6i-a31-ahb1-clk", sun6i_ahb1_clk_setup);
-
/* Maximum number of parents our clocks have */
#define SUNXI_MAX_PARENTS 5
@@ -246,49 +38,45 @@ CLK_OF_DECLARE(sun6i_a31_ahb1, "allwinner,sun6i-a31-ahb1-clk", sun6i_ahb1_clk_se
* parent_rate is always 24Mhz
*/
-static void sun4i_get_pll1_factors(u32 *freq, u32 parent_rate,
- u8 *n, u8 *k, u8 *m, u8 *p)
+static void sun4i_get_pll1_factors(struct factors_request *req)
{
u8 div;
/* Normalize value to a 6M multiple */
- div = *freq / 6000000;
- *freq = 6000000 * div;
-
- /* we were called to round the frequency, we can now return */
- if (n == NULL)
- return;
+ div = req->rate / 6000000;
+ req->rate = 6000000 * div;
/* m is always zero for pll1 */
- *m = 0;
+ req->m = 0;
/* k is 1 only on these cases */
- if (*freq >= 768000000 || *freq == 42000000 || *freq == 54000000)
- *k = 1;
+ if (req->rate >= 768000000 || req->rate == 42000000 ||
+ req->rate == 54000000)
+ req->k = 1;
else
- *k = 0;
+ req->k = 0;
/* p will be 3 for divs under 10 */
if (div < 10)
- *p = 3;
+ req->p = 3;
/* p will be 2 for divs between 10 - 20 and odd divs under 32 */
else if (div < 20 || (div < 32 && (div & 1)))
- *p = 2;
+ req->p = 2;
/* p will be 1 for even divs under 32, divs under 40 and odd pairs
* of divs between 40-62 */
else if (div < 40 || (div < 64 && (div & 2)))
- *p = 1;
+ req->p = 1;
/* any other entries have p = 0 */
else
- *p = 0;
+ req->p = 0;
/* calculate a suitable n based on k and p */
- div <<= *p;
- div /= (*k + 1);
- *n = div / 4;
+ div <<= req->p;
+ div /= (req->k + 1);
+ req->n = div / 4;
}
/**
@@ -297,15 +85,14 @@ static void sun4i_get_pll1_factors(u32 *freq, u32 parent_rate,
* rate = parent_rate * (n + 1) * (k + 1) / (m + 1);
* parent_rate should always be 24MHz
*/
-static void sun6i_a31_get_pll1_factors(u32 *freq, u32 parent_rate,
- u8 *n, u8 *k, u8 *m, u8 *p)
+static void sun6i_a31_get_pll1_factors(struct factors_request *req)
{
/*
* We can operate only on MHz, this will make our life easier
* later.
*/
- u32 freq_mhz = *freq / 1000000;
- u32 parent_freq_mhz = parent_rate / 1000000;
+ u32 freq_mhz = req->rate / 1000000;
+ u32 parent_freq_mhz = req->parent_rate / 1000000;
/*
* Round down the frequency to the closest multiple of either
@@ -319,28 +106,20 @@ static void sun6i_a31_get_pll1_factors(u32 *freq, u32 parent_rate,
else
freq_mhz = round_freq_16;
- *freq = freq_mhz * 1000000;
-
- /*
- * If the factors pointer are null, we were just called to
- * round down the frequency.
- * Exit.
- */
- if (n == NULL)
- return;
+ req->rate = freq_mhz * 1000000;
/* If the frequency is a multiple of 32 MHz, k is always 3 */
if (!(freq_mhz % 32))
- *k = 3;
+ req->k = 3;
/* If the frequency is a multiple of 9 MHz, k is always 2 */
else if (!(freq_mhz % 9))
- *k = 2;
+ req->k = 2;
/* If the frequency is a multiple of 8 MHz, k is always 1 */
else if (!(freq_mhz % 8))
- *k = 1;
+ req->k = 1;
/* Otherwise, we don't use the k factor */
else
- *k = 0;
+ req->k = 0;
/*
* If the frequency is a multiple of 2 but not a multiple of
@@ -351,27 +130,28 @@ static void sun6i_a31_get_pll1_factors(u32 *freq, u32 parent_rate,
* somehow relates to this frequency.
*/
if ((freq_mhz % 6) == 2 || (freq_mhz % 6) == 4)
- *m = 2;
+ req->m = 2;
/*
* If the frequency is a multiple of 6MHz, but the factor is
* odd, m will be 3
*/
else if ((freq_mhz / 6) & 1)
- *m = 3;
+ req->m = 3;
/* Otherwise, we end up with m = 1 */
else
- *m = 1;
+ req->m = 1;
/* Calculate n thanks to the above factors we already got */
- *n = freq_mhz * (*m + 1) / ((*k + 1) * parent_freq_mhz) - 1;
+ req->n = freq_mhz * (req->m + 1) / ((req->k + 1) * parent_freq_mhz)
+ - 1;
/*
* If n end up being outbound, and that we can still decrease
* m, do it.
*/
- if ((*n + 1) > 31 && (*m + 1) > 1) {
- *n = (*n + 1) / 2 - 1;
- *m = (*m + 1) / 2 - 1;
+ if ((req->n + 1) > 31 && (req->m + 1) > 1) {
+ req->n = (req->n + 1) / 2 - 1;
+ req->m = (req->m + 1) / 2 - 1;
}
}
@@ -382,45 +162,41 @@ static void sun6i_a31_get_pll1_factors(u32 *freq, u32 parent_rate,
* parent_rate is always 24Mhz
*/
-static void sun8i_a23_get_pll1_factors(u32 *freq, u32 parent_rate,
- u8 *n, u8 *k, u8 *m, u8 *p)
+static void sun8i_a23_get_pll1_factors(struct factors_request *req)
{
u8 div;
/* Normalize value to a 6M multiple */
- div = *freq / 6000000;
- *freq = 6000000 * div;
-
- /* we were called to round the frequency, we can now return */
- if (n == NULL)
- return;
+ div = req->rate / 6000000;
+ req->rate = 6000000 * div;
/* m is always zero for pll1 */
- *m = 0;
+ req->m = 0;
/* k is 1 only on these cases */
- if (*freq >= 768000000 || *freq == 42000000 || *freq == 54000000)
- *k = 1;
+ if (req->rate >= 768000000 || req->rate == 42000000 ||
+ req->rate == 54000000)
+ req->k = 1;
else
- *k = 0;
+ req->k = 0;
/* p will be 2 for divs under 20 and odd divs under 32 */
if (div < 20 || (div < 32 && (div & 1)))
- *p = 2;
+ req->p = 2;
/* p will be 1 for even divs under 32, divs under 40 and odd pairs
* of divs between 40-62 */
else if (div < 40 || (div < 64 && (div & 2)))
- *p = 1;
+ req->p = 1;
/* any other entries have p = 0 */
else
- *p = 0;
+ req->p = 0;
/* calculate a suitable n based on k and p */
- div <<= *p;
- div /= (*k + 1);
- *n = div / 4 - 1;
+ div <<= req->p;
+ div /= (req->k + 1);
+ req->n = div / 4 - 1;
}
/**
@@ -430,29 +206,24 @@ static void sun8i_a23_get_pll1_factors(u32 *freq, u32 parent_rate,
* parent_rate is always 24Mhz
*/
-static void sun4i_get_pll5_factors(u32 *freq, u32 parent_rate,
- u8 *n, u8 *k, u8 *m, u8 *p)
+static void sun4i_get_pll5_factors(struct factors_request *req)
{
u8 div;
/* Normalize value to a parent_rate multiple (24M) */
- div = *freq / parent_rate;
- *freq = parent_rate * div;
-
- /* we were called to round the frequency, we can now return */
- if (n == NULL)
- return;
+ div = req->rate / req->parent_rate;
+ req->rate = req->parent_rate * div;
if (div < 31)
- *k = 0;
+ req->k = 0;
else if (div / 2 < 31)
- *k = 1;
+ req->k = 1;
else if (div / 3 < 31)
- *k = 2;
+ req->k = 2;
else
- *k = 3;
+ req->k = 3;
- *n = DIV_ROUND_UP(div, (*k+1));
+ req->n = DIV_ROUND_UP(div, (req->k + 1));
}
/**
@@ -462,24 +233,19 @@ static void sun4i_get_pll5_factors(u32 *freq, u32 parent_rate,
* parent_rate is always 24Mhz
*/
-static void sun6i_a31_get_pll6_factors(u32 *freq, u32 parent_rate,
- u8 *n, u8 *k, u8 *m, u8 *p)
+static void sun6i_a31_get_pll6_factors(struct factors_request *req)
{
u8 div;
/* Normalize value to a parent_rate multiple (24M) */
- div = *freq / parent_rate;
- *freq = parent_rate * div;
-
- /* we were called to round the frequency, we can now return */
- if (n == NULL)
- return;
+ div = req->rate / req->parent_rate;
+ req->rate = req->parent_rate * div;
- *k = div / 32;
- if (*k > 3)
- *k = 3;
+ req->k = div / 32;
+ if (req->k > 3)
+ req->k = 3;
- *n = DIV_ROUND_UP(div, (*k+1)) - 1;
+ req->n = DIV_ROUND_UP(div, (req->k + 1)) - 1;
}
/**
@@ -488,37 +254,94 @@ static void sun6i_a31_get_pll6_factors(u32 *freq, u32 parent_rate,
* rate = parent_rate >> p
*/
-static void sun5i_a13_get_ahb_factors(u32 *freq, u32 parent_rate,
- u8 *n, u8 *k, u8 *m, u8 *p)
+static void sun5i_a13_get_ahb_factors(struct factors_request *req)
{
u32 div;
/* divide only */
- if (parent_rate < *freq)
- *freq = parent_rate;
+ if (req->parent_rate < req->rate)
+ req->rate = req->parent_rate;
/*
* user manual says valid speed is 8k ~ 276M, but tests show it
* can work at speeds up to 300M, just after reparenting to pll6
*/
- if (*freq < 8000)
- *freq = 8000;
- if (*freq > 300000000)
- *freq = 300000000;
+ if (req->rate < 8000)
+ req->rate = 8000;
+ if (req->rate > 300000000)
+ req->rate = 300000000;
- div = order_base_2(DIV_ROUND_UP(parent_rate, *freq));
+ div = order_base_2(DIV_ROUND_UP(req->parent_rate, req->rate));
/* p = 0 ~ 3 */
if (div > 3)
div = 3;
- *freq = parent_rate >> div;
+ req->rate = req->parent_rate >> div;
- /* we were called to round the frequency, we can now return */
- if (p == NULL)
- return;
+ req->p = div;
+}
+
+#define SUN6I_AHB1_PARENT_PLL6 3
+
+/**
+ * sun6i_a31_get_ahb_factors() - calculates m, p factors for AHB
+ * AHB rate is calculated as follows
+ * rate = parent_rate >> p
+ *
+ * if parent is pll6, then
+ * parent_rate = pll6 rate / (m + 1)
+ */
+
+static void sun6i_get_ahb1_factors(struct factors_request *req)
+{
+ u8 div, calcp, calcm = 1;
+
+ /*
+ * clock can only divide, so we will never be able to achieve
+ * frequencies higher than the parent frequency
+ */
+ if (req->parent_rate && req->rate > req->parent_rate)
+ req->rate = req->parent_rate;
+
+ div = DIV_ROUND_UP(req->parent_rate, req->rate);
+
+ /* calculate pre-divider if parent is pll6 */
+ if (req->parent_index == SUN6I_AHB1_PARENT_PLL6) {
+ if (div < 4)
+ calcp = 0;
+ else if (div / 2 < 4)
+ calcp = 1;
+ else if (div / 4 < 4)
+ calcp = 2;
+ else
+ calcp = 3;
+
+ calcm = DIV_ROUND_UP(div, 1 << calcp);
+ } else {
+ calcp = __roundup_pow_of_two(div);
+ calcp = calcp > 3 ? 3 : calcp;
+ }
- *p = div;
+ req->rate = (req->parent_rate / calcm) >> calcp;
+ req->p = calcp;
+ req->m = calcm - 1;
+}
+
+/**
+ * sun6i_ahb1_recalc() - calculates AHB clock rate from m, p factors and
+ * parent index
+ */
+static void sun6i_ahb1_recalc(struct factors_request *req)
+{
+ req->rate = req->parent_rate;
+
+ /* apply pre-divider first if parent is pll6 */
+ if (req->parent_index == SUN6I_AHB1_PARENT_PLL6)
+ req->rate /= req->m + 1;
+
+ /* clk divider */
+ req->rate >>= req->p;
}
/**
@@ -527,39 +350,34 @@ static void sun5i_a13_get_ahb_factors(u32 *freq, u32 parent_rate,
* rate = (parent_rate >> p) / (m + 1);
*/
-static void sun4i_get_apb1_factors(u32 *freq, u32 parent_rate,
- u8 *n, u8 *k, u8 *m, u8 *p)
+static void sun4i_get_apb1_factors(struct factors_request *req)
{
u8 calcm, calcp;
+ int div;
- if (parent_rate < *freq)
- *freq = parent_rate;
+ if (req->parent_rate < req->rate)
+ req->rate = req->parent_rate;
- parent_rate = DIV_ROUND_UP(parent_rate, *freq);
+ div = DIV_ROUND_UP(req->parent_rate, req->rate);
/* Invalid rate! */
- if (parent_rate > 32)
+ if (div > 32)
return;
- if (parent_rate <= 4)
+ if (div <= 4)
calcp = 0;
- else if (parent_rate <= 8)
+ else if (div <= 8)
calcp = 1;
- else if (parent_rate <= 16)
+ else if (div <= 16)
calcp = 2;
else
calcp = 3;
- calcm = (parent_rate >> calcp) - 1;
+ calcm = (req->parent_rate >> calcp) - 1;
- *freq = (parent_rate >> calcp) / (calcm + 1);
-
- /* we were called to round the frequency, we can now return */
- if (n == NULL)
- return;
-
- *m = calcm;
- *p = calcp;
+ req->rate = (req->parent_rate >> calcp) / (calcm + 1);
+ req->m = calcm;
+ req->p = calcp;
}
@@ -571,17 +389,16 @@ static void sun4i_get_apb1_factors(u32 *freq, u32 parent_rate,
* rate = (parent_rate >> p) / (m + 1);
*/
-static void sun7i_a20_get_out_factors(u32 *freq, u32 parent_rate,
- u8 *n, u8 *k, u8 *m, u8 *p)
+static void sun7i_a20_get_out_factors(struct factors_request *req)
{
u8 div, calcm, calcp;
/* These clocks can only divide, so we will never be able to achieve
* frequencies higher than the parent frequency */
- if (*freq > parent_rate)
- *freq = parent_rate;
+ if (req->rate > req->parent_rate)
+ req->rate = req->parent_rate;
- div = DIV_ROUND_UP(parent_rate, *freq);
+ div = DIV_ROUND_UP(req->parent_rate, req->rate);
if (div < 32)
calcp = 0;
@@ -594,21 +411,16 @@ static void sun7i_a20_get_out_factors(u32 *freq, u32 parent_rate,
calcm = DIV_ROUND_UP(div, 1 << calcp);
- *freq = (parent_rate >> calcp) / calcm;
-
- /* we were called to round the frequency, we can now return */
- if (n == NULL)
- return;
-
- *m = calcm - 1;
- *p = calcp;
+ req->rate = (req->parent_rate >> calcp) / calcm;
+ req->m = calcm - 1;
+ req->p = calcp;
}
/**
* sunxi_factors_clk_setup() - Setup function for factor clocks
*/
-static struct clk_factors_config sun4i_pll1_config = {
+static const struct clk_factors_config sun4i_pll1_config = {
.nshift = 8,
.nwidth = 5,
.kshift = 4,
@@ -619,7 +431,7 @@ static struct clk_factors_config sun4i_pll1_config = {
.pwidth = 2,
};
-static struct clk_factors_config sun6i_a31_pll1_config = {
+static const struct clk_factors_config sun6i_a31_pll1_config = {
.nshift = 8,
.nwidth = 5,
.kshift = 4,
@@ -629,7 +441,7 @@ static struct clk_factors_config sun6i_a31_pll1_config = {
.n_start = 1,
};
-static struct clk_factors_config sun8i_a23_pll1_config = {
+static const struct clk_factors_config sun8i_a23_pll1_config = {
.nshift = 8,
.nwidth = 5,
.kshift = 4,
@@ -641,14 +453,14 @@ static struct clk_factors_config sun8i_a23_pll1_config = {
.n_start = 1,
};
-static struct clk_factors_config sun4i_pll5_config = {
+static const struct clk_factors_config sun4i_pll5_config = {
.nshift = 8,
.nwidth = 5,
.kshift = 4,
.kwidth = 2,
};
-static struct clk_factors_config sun6i_a31_pll6_config = {
+static const struct clk_factors_config sun6i_a31_pll6_config = {
.nshift = 8,
.nwidth = 5,
.kshift = 4,
@@ -656,12 +468,19 @@ static struct clk_factors_config sun6i_a31_pll6_config = {
.n_start = 1,
};
-static struct clk_factors_config sun5i_a13_ahb_config = {
+static const struct clk_factors_config sun5i_a13_ahb_config = {
.pshift = 4,
.pwidth = 2,
};
-static struct clk_factors_config sun4i_apb1_config = {
+static const struct clk_factors_config sun6i_ahb1_config = {
+ .mshift = 6,
+ .mwidth = 2,
+ .pshift = 4,
+ .pwidth = 2,
+};
+
+static const struct clk_factors_config sun4i_apb1_config = {
.mshift = 0,
.mwidth = 5,
.pshift = 16,
@@ -669,7 +488,7 @@ static struct clk_factors_config sun4i_apb1_config = {
};
/* user manual says "n" but it's really "p" */
-static struct clk_factors_config sun7i_a20_out_config = {
+static const struct clk_factors_config sun7i_a20_out_config = {
.mshift = 8,
.mwidth = 5,
.pshift = 20,
@@ -728,6 +547,14 @@ static const struct factors_data sun5i_a13_ahb_data __initconst = {
.getter = sun5i_a13_get_ahb_factors,
};
+static const struct factors_data sun6i_ahb1_data __initconst = {
+ .mux = 12,
+ .muxmask = BIT(1) | BIT(0),
+ .table = &sun6i_ahb1_config,
+ .getter = sun6i_get_ahb1_factors,
+ .recalc = sun6i_ahb1_recalc,
+};
+
static const struct factors_data sun4i_apb1_data __initconst = {
.mux = 24,
.muxmask = BIT(1) | BIT(0),
@@ -758,6 +585,61 @@ static struct clk * __init sunxi_factors_clk_setup(struct device_node *node,
return sunxi_factors_register(node, data, &clk_lock, reg);
}
+static void __init sun4i_pll1_clk_setup(struct device_node *node)
+{
+ sunxi_factors_clk_setup(node, &sun4i_pll1_data);
+}
+CLK_OF_DECLARE(sun4i_pll1, "allwinner,sun4i-a10-pll1-clk",
+ sun4i_pll1_clk_setup);
+
+static void __init sun6i_pll1_clk_setup(struct device_node *node)
+{
+ sunxi_factors_clk_setup(node, &sun6i_a31_pll1_data);
+}
+CLK_OF_DECLARE(sun6i_pll1, "allwinner,sun6i-a31-pll1-clk",
+ sun6i_pll1_clk_setup);
+
+static void __init sun8i_pll1_clk_setup(struct device_node *node)
+{
+ sunxi_factors_clk_setup(node, &sun8i_a23_pll1_data);
+}
+CLK_OF_DECLARE(sun8i_pll1, "allwinner,sun8i-a23-pll1-clk",
+ sun8i_pll1_clk_setup);
+
+static void __init sun7i_pll4_clk_setup(struct device_node *node)
+{
+ sunxi_factors_clk_setup(node, &sun7i_a20_pll4_data);
+}
+CLK_OF_DECLARE(sun7i_pll4, "allwinner,sun7i-a20-pll4-clk",
+ sun7i_pll4_clk_setup);
+
+static void __init sun5i_ahb_clk_setup(struct device_node *node)
+{
+ sunxi_factors_clk_setup(node, &sun5i_a13_ahb_data);
+}
+CLK_OF_DECLARE(sun5i_ahb, "allwinner,sun5i-a13-ahb-clk",
+ sun5i_ahb_clk_setup);
+
+static void __init sun6i_ahb1_clk_setup(struct device_node *node)
+{
+ sunxi_factors_clk_setup(node, &sun6i_ahb1_data);
+}
+CLK_OF_DECLARE(sun6i_a31_ahb1, "allwinner,sun6i-a31-ahb1-clk",
+ sun6i_ahb1_clk_setup);
+
+static void __init sun4i_apb1_clk_setup(struct device_node *node)
+{
+ sunxi_factors_clk_setup(node, &sun4i_apb1_data);
+}
+CLK_OF_DECLARE(sun4i_apb1, "allwinner,sun4i-a10-apb1-clk",
+ sun4i_apb1_clk_setup);
+
+static void __init sun7i_out_clk_setup(struct device_node *node)
+{
+ sunxi_factors_clk_setup(node, &sun7i_a20_out_data);
+}
+CLK_OF_DECLARE(sun7i_out, "allwinner,sun7i-a20-out-clk",
+ sun7i_out_clk_setup);
/**
@@ -782,8 +664,8 @@ static const struct mux_data sun8i_h3_ahb2_mux_data __initconst = {
.shift = 0,
};
-static void __init sunxi_mux_clk_setup(struct device_node *node,
- struct mux_data *data)
+static struct clk * __init sunxi_mux_clk_setup(struct device_node *node,
+ const struct mux_data *data)
{
struct clk *clk;
const char *clk_name = node->name;
@@ -792,21 +674,71 @@ static void __init sunxi_mux_clk_setup(struct device_node *node,
int i;
reg = of_iomap(node, 0);
+ if (!reg) {
+ pr_err("Could not map registers for mux-clk: %s\n",
+ of_node_full_name(node));
+ return NULL;
+ }
i = of_clk_parent_fill(node, parents, SUNXI_MAX_PARENTS);
- of_property_read_string(node, "clock-output-names", &clk_name);
+ if (of_property_read_string(node, "clock-output-names", &clk_name)) {
+ pr_err("%s: could not read clock-output-names from \"%s\"\n",
+ __func__, of_node_full_name(node));
+ goto out_unmap;
+ }
clk = clk_register_mux(NULL, clk_name, parents, i,
CLK_SET_RATE_PARENT, reg,
data->shift, SUNXI_MUX_GATE_WIDTH,
0, &clk_lock);
- if (clk) {
- of_clk_add_provider(node, of_clk_src_simple_get, clk);
- clk_register_clkdev(clk, clk_name, NULL);
+ if (IS_ERR(clk)) {
+ pr_err("%s: failed to register mux clock %s: %ld\n", __func__,
+ clk_name, PTR_ERR(clk));
+ goto out_unmap;
+ }
+
+ if (of_clk_add_provider(node, of_clk_src_simple_get, clk)) {
+ pr_err("%s: failed to add clock provider for %s\n",
+ __func__, clk_name);
+ clk_unregister_divider(clk);
+ goto out_unmap;
}
+
+ return clk;
+out_unmap:
+ iounmap(reg);
+ return NULL;
+}
+
+static void __init sun4i_cpu_clk_setup(struct device_node *node)
+{
+ struct clk *clk;
+
+ clk = sunxi_mux_clk_setup(node, &sun4i_cpu_mux_data);
+ if (!clk)
+ return;
+
+ /* Protect CPU clock */
+ __clk_get(clk);
+ clk_prepare_enable(clk);
+}
+CLK_OF_DECLARE(sun4i_cpu, "allwinner,sun4i-a10-cpu-clk",
+ sun4i_cpu_clk_setup);
+
+static void __init sun6i_ahb1_mux_clk_setup(struct device_node *node)
+{
+ sunxi_mux_clk_setup(node, &sun6i_a31_ahb1_mux_data);
}
+CLK_OF_DECLARE(sun6i_ahb1_mux, "allwinner,sun6i-a31-ahb1-mux-clk",
+ sun6i_ahb1_mux_clk_setup);
+static void __init sun8i_ahb2_clk_setup(struct device_node *node)
+{
+ sunxi_mux_clk_setup(node, &sun8i_h3_ahb2_mux_data);
+}
+CLK_OF_DECLARE(sun8i_ahb2, "allwinner,sun8i-h3-ahb2-clk",
+ sun8i_ahb2_clk_setup);
/**
@@ -865,7 +797,7 @@ static const struct div_data sun4i_apb0_data __initconst = {
};
static void __init sunxi_divider_clk_setup(struct device_node *node,
- struct div_data *data)
+ const struct div_data *data)
{
struct clk *clk;
const char *clk_name = node->name;
@@ -873,21 +805,77 @@ static void __init sunxi_divider_clk_setup(struct device_node *node,
void __iomem *reg;
reg = of_iomap(node, 0);
+ if (!reg) {
+ pr_err("Could not map registers for mux-clk: %s\n",
+ of_node_full_name(node));
+ return;
+ }
clk_parent = of_clk_get_parent_name(node, 0);
- of_property_read_string(node, "clock-output-names", &clk_name);
+ if (of_property_read_string(node, "clock-output-names", &clk_name)) {
+ pr_err("%s: could not read clock-output-names from \"%s\"\n",
+ __func__, of_node_full_name(node));
+ goto out_unmap;
+ }
clk = clk_register_divider_table(NULL, clk_name, clk_parent, 0,
reg, data->shift, data->width,
data->pow ? CLK_DIVIDER_POWER_OF_TWO : 0,
data->table, &clk_lock);
- if (clk) {
- of_clk_add_provider(node, of_clk_src_simple_get, clk);
- clk_register_clkdev(clk, clk_name, NULL);
+ if (IS_ERR(clk)) {
+ pr_err("%s: failed to register divider clock %s: %ld\n",
+ __func__, clk_name, PTR_ERR(clk));
+ goto out_unmap;
}
+
+ if (of_clk_add_provider(node, of_clk_src_simple_get, clk)) {
+ pr_err("%s: failed to add clock provider for %s\n",
+ __func__, clk_name);
+ goto out_unregister;
+ }
+
+ if (clk_register_clkdev(clk, clk_name, NULL)) {
+ of_clk_del_provider(node);
+ goto out_unregister;
+ }
+
+ return;
+out_unregister:
+ clk_unregister_divider(clk);
+
+out_unmap:
+ iounmap(reg);
}
+static void __init sun4i_ahb_clk_setup(struct device_node *node)
+{
+ sunxi_divider_clk_setup(node, &sun4i_ahb_data);
+}
+CLK_OF_DECLARE(sun4i_ahb, "allwinner,sun4i-a10-ahb-clk",
+ sun4i_ahb_clk_setup);
+
+static void __init sun4i_apb0_clk_setup(struct device_node *node)
+{
+ sunxi_divider_clk_setup(node, &sun4i_apb0_data);
+}
+CLK_OF_DECLARE(sun4i_apb0, "allwinner,sun4i-a10-apb0-clk",
+ sun4i_apb0_clk_setup);
+
+static void __init sun4i_axi_clk_setup(struct device_node *node)
+{
+ sunxi_divider_clk_setup(node, &sun4i_axi_data);
+}
+CLK_OF_DECLARE(sun4i_axi, "allwinner,sun4i-a10-axi-clk",
+ sun4i_axi_clk_setup);
+
+static void __init sun8i_axi_clk_setup(struct device_node *node)
+{
+ sunxi_divider_clk_setup(node, &sun8i_a23_axi_data);
+}
+CLK_OF_DECLARE(sun8i_axi, "allwinner,sun8i-a23-axi-clk",
+ sun8i_axi_clk_setup);
+
/**
@@ -975,8 +963,8 @@ static const struct divs_data sun6i_a31_pll6_divs_data __initconst = {
* |________________________|
*/
-static void __init sunxi_divs_clk_setup(struct device_node *node,
- struct divs_data *data)
+static struct clk ** __init sunxi_divs_clk_setup(struct device_node *node,
+ const struct divs_data *data)
{
struct clk_onecell_data *clk_data;
const char *parent;
@@ -997,13 +985,20 @@ static void __init sunxi_divs_clk_setup(struct device_node *node,
/* Set up factor clock that we will be dividing */
pclk = sunxi_factors_clk_setup(node, data->factors);
+ if (!pclk)
+ return NULL;
parent = __clk_get_name(pclk);
reg = of_iomap(node, 0);
+ if (!reg) {
+ pr_err("Could not map registers for divs-clk: %s\n",
+ of_node_full_name(node));
+ return NULL;
+ }
clk_data = kmalloc(sizeof(struct clk_onecell_data), GFP_KERNEL);
if (!clk_data)
- return;
+ goto out_unmap;
clks = kcalloc(ndivs, sizeof(*clks), GFP_KERNEL);
if (!clks)
@@ -1081,146 +1076,54 @@ static void __init sunxi_divs_clk_setup(struct device_node *node,
clkflags);
WARN_ON(IS_ERR(clk_data->clks[i]));
- clk_register_clkdev(clks[i], clk_name, NULL);
}
/* Adjust to the real max */
clk_data->clk_num = i;
- of_clk_add_provider(node, of_clk_src_onecell_get, clk_data);
-
- return;
+ if (of_clk_add_provider(node, of_clk_src_onecell_get, clk_data)) {
+ pr_err("%s: failed to add clock provider for %s\n",
+ __func__, clk_name);
+ goto free_gate;
+ }
+ return clks;
free_gate:
kfree(gate);
free_clks:
kfree(clks);
free_clkdata:
kfree(clk_data);
+out_unmap:
+ iounmap(reg);
+ return NULL;
}
-
-
-/* Matches for factors clocks */
-static const struct of_device_id clk_factors_match[] __initconst = {
- {.compatible = "allwinner,sun4i-a10-pll1-clk", .data = &sun4i_pll1_data,},
- {.compatible = "allwinner,sun6i-a31-pll1-clk", .data = &sun6i_a31_pll1_data,},
- {.compatible = "allwinner,sun8i-a23-pll1-clk", .data = &sun8i_a23_pll1_data,},
- {.compatible = "allwinner,sun7i-a20-pll4-clk", .data = &sun7i_a20_pll4_data,},
- {.compatible = "allwinner,sun5i-a13-ahb-clk", .data = &sun5i_a13_ahb_data,},
- {.compatible = "allwinner,sun4i-a10-apb1-clk", .data = &sun4i_apb1_data,},
- {.compatible = "allwinner,sun7i-a20-out-clk", .data = &sun7i_a20_out_data,},
- {}
-};
-
-/* Matches for divider clocks */
-static const struct of_device_id clk_div_match[] __initconst = {
- {.compatible = "allwinner,sun4i-a10-axi-clk", .data = &sun4i_axi_data,},
- {.compatible = "allwinner,sun8i-a23-axi-clk", .data = &sun8i_a23_axi_data,},
- {.compatible = "allwinner,sun4i-a10-ahb-clk", .data = &sun4i_ahb_data,},
- {.compatible = "allwinner,sun4i-a10-apb0-clk", .data = &sun4i_apb0_data,},
- {}
-};
-
-/* Matches for divided outputs */
-static const struct of_device_id clk_divs_match[] __initconst = {
- {.compatible = "allwinner,sun4i-a10-pll5-clk", .data = &pll5_divs_data,},
- {.compatible = "allwinner,sun4i-a10-pll6-clk", .data = &pll6_divs_data,},
- {.compatible = "allwinner,sun6i-a31-pll6-clk", .data = &sun6i_a31_pll6_divs_data,},
- {}
-};
-
-/* Matches for mux clocks */
-static const struct of_device_id clk_mux_match[] __initconst = {
- {.compatible = "allwinner,sun4i-a10-cpu-clk", .data = &sun4i_cpu_mux_data,},
- {.compatible = "allwinner,sun6i-a31-ahb1-mux-clk", .data = &sun6i_a31_ahb1_mux_data,},
- {.compatible = "allwinner,sun8i-h3-ahb2-clk", .data = &sun8i_h3_ahb2_mux_data,},
- {}
-};
-
-
-static void __init of_sunxi_table_clock_setup(const struct of_device_id *clk_match,
- void *function)
-{
- struct device_node *np;
- const struct div_data *data;
- const struct of_device_id *match;
- void (*setup_function)(struct device_node *, const void *) = function;
-
- for_each_matching_node_and_match(np, clk_match, &match) {
- data = match->data;
- setup_function(np, data);
- }
-}
-
-static void __init sunxi_init_clocks(const char *clocks[], int nclocks)
-{
- unsigned int i;
-
- /* Register divided output clocks */
- of_sunxi_table_clock_setup(clk_divs_match, sunxi_divs_clk_setup);
-
- /* Register factor clocks */
- of_sunxi_table_clock_setup(clk_factors_match, sunxi_factors_clk_setup);
-
- /* Register divider clocks */
- of_sunxi_table_clock_setup(clk_div_match, sunxi_divider_clk_setup);
-
- /* Register mux clocks */
- of_sunxi_table_clock_setup(clk_mux_match, sunxi_mux_clk_setup);
-
- /* Protect the clocks that needs to stay on */
- for (i = 0; i < nclocks; i++) {
- struct clk *clk = clk_get(NULL, clocks[i]);
-
- if (!IS_ERR(clk))
- clk_prepare_enable(clk);
- }
-}
-
-static const char *sun4i_a10_critical_clocks[] __initdata = {
- "pll5_ddr",
-};
-
-static void __init sun4i_a10_init_clocks(struct device_node *node)
+static void __init sun4i_pll5_clk_setup(struct device_node *node)
{
- sunxi_init_clocks(sun4i_a10_critical_clocks,
- ARRAY_SIZE(sun4i_a10_critical_clocks));
-}
-CLK_OF_DECLARE(sun4i_a10_clk_init, "allwinner,sun4i-a10", sun4i_a10_init_clocks);
+ struct clk **clks;
-static const char *sun5i_critical_clocks[] __initdata = {
- "cpu",
- "pll5_ddr",
-};
+ clks = sunxi_divs_clk_setup(node, &pll5_divs_data);
+ if (!clks)
+ return;
-static void __init sun5i_init_clocks(struct device_node *node)
-{
- sunxi_init_clocks(sun5i_critical_clocks,
- ARRAY_SIZE(sun5i_critical_clocks));
+ /* Protect PLL5_DDR */
+ __clk_get(clks[0]);
+ clk_prepare_enable(clks[0]);
}
-CLK_OF_DECLARE(sun5i_a10s_clk_init, "allwinner,sun5i-a10s", sun5i_init_clocks);
-CLK_OF_DECLARE(sun5i_a13_clk_init, "allwinner,sun5i-a13", sun5i_init_clocks);
-CLK_OF_DECLARE(sun5i_r8_clk_init, "allwinner,sun5i-r8", sun5i_init_clocks);
-CLK_OF_DECLARE(sun7i_a20_clk_init, "allwinner,sun7i-a20", sun5i_init_clocks);
-
-static const char *sun6i_critical_clocks[] __initdata = {
- "cpu",
-};
+CLK_OF_DECLARE(sun4i_pll5, "allwinner,sun4i-a10-pll5-clk",
+ sun4i_pll5_clk_setup);
-static void __init sun6i_init_clocks(struct device_node *node)
+static void __init sun4i_pll6_clk_setup(struct device_node *node)
{
- sunxi_init_clocks(sun6i_critical_clocks,
- ARRAY_SIZE(sun6i_critical_clocks));
+ sunxi_divs_clk_setup(node, &pll6_divs_data);
}
-CLK_OF_DECLARE(sun6i_a31_clk_init, "allwinner,sun6i-a31", sun6i_init_clocks);
-CLK_OF_DECLARE(sun6i_a31s_clk_init, "allwinner,sun6i-a31s", sun6i_init_clocks);
-CLK_OF_DECLARE(sun8i_a23_clk_init, "allwinner,sun8i-a23", sun6i_init_clocks);
-CLK_OF_DECLARE(sun8i_a33_clk_init, "allwinner,sun8i-a33", sun6i_init_clocks);
-CLK_OF_DECLARE(sun8i_h3_clk_init, "allwinner,sun8i-h3", sun6i_init_clocks);
+CLK_OF_DECLARE(sun4i_pll6, "allwinner,sun4i-a10-pll6-clk",
+ sun4i_pll6_clk_setup);
-static void __init sun9i_init_clocks(struct device_node *node)
+static void __init sun6i_pll6_clk_setup(struct device_node *node)
{
- sunxi_init_clocks(NULL, 0);
+ sunxi_divs_clk_setup(node, &sun6i_a31_pll6_divs_data);
}
-CLK_OF_DECLARE(sun9i_a80_clk_init, "allwinner,sun9i-a80", sun9i_init_clocks);
+CLK_OF_DECLARE(sun6i_pll6, "allwinner,sun6i-a31-pll6-clk",
+ sun6i_pll6_clk_setup);
diff --git a/drivers/clk/sunxi/clk-usb.c b/drivers/clk/sunxi/clk-usb.c
index 67b8e38f4ee9..5432b1c198a4 100644
--- a/drivers/clk/sunxi/clk-usb.c
+++ b/drivers/clk/sunxi/clk-usb.c
@@ -216,6 +216,18 @@ static void __init sun8i_a23_usb_setup(struct device_node *node)
}
CLK_OF_DECLARE(sun8i_a23_usb, "allwinner,sun8i-a23-usb-clk", sun8i_a23_usb_setup);
+static const struct usb_clk_data sun8i_h3_usb_clk_data __initconst = {
+ .clk_mask = BIT(19) | BIT(18) | BIT(17) | BIT(16) |
+ BIT(11) | BIT(10) | BIT(9) | BIT(8),
+ .reset_mask = BIT(3) | BIT(2) | BIT(1) | BIT(0),
+};
+
+static void __init sun8i_h3_usb_setup(struct device_node *node)
+{
+ sunxi_usb_clk_setup(node, &sun8i_h3_usb_clk_data, &sun4i_a10_usb_lock);
+}
+CLK_OF_DECLARE(sun8i_h3_usb, "allwinner,sun8i-h3-usb-clk", sun8i_h3_usb_setup);
+
static const struct usb_clk_data sun9i_a80_usb_mod_data __initconst = {
.clk_mask = BIT(6) | BIT(5) | BIT(4) | BIT(3) | BIT(2) | BIT(1),
.reset_mask = BIT(19) | BIT(18) | BIT(17),
@@ -243,15 +255,3 @@ static void __init sun9i_a80_usb_phy_setup(struct device_node *node)
sunxi_usb_clk_setup(node, &sun9i_a80_usb_phy_data, &a80_usb_phy_lock);
}
CLK_OF_DECLARE(sun9i_a80_usb_phy, "allwinner,sun9i-a80-usb-phy-clk", sun9i_a80_usb_phy_setup);
-
-static const struct usb_clk_data sun8i_h3_usb_clk_data __initconst = {
- .clk_mask = BIT(19) | BIT(18) | BIT(17) | BIT(16) |
- BIT(11) | BIT(10) | BIT(9) | BIT(8),
- .reset_mask = BIT(3) | BIT(2) | BIT(1) | BIT(0),
-};
-
-static void __init sun8i_h3_usb_setup(struct device_node *node)
-{
- sunxi_usb_clk_setup(node, &sun8i_h3_usb_clk_data, &sun4i_a10_usb_lock);
-}
-CLK_OF_DECLARE(sun8i_h3_usb, "allwinner,sun8i-h3-usb-clk", sun8i_h3_usb_setup);
diff --git a/drivers/clk/tegra/clk-audio-sync.c b/drivers/clk/tegra/clk-audio-sync.c
index c0f7843e80e6..92d04ce2dee6 100644
--- a/drivers/clk/tegra/clk-audio-sync.c
+++ b/drivers/clk/tegra/clk-audio-sync.c
@@ -72,7 +72,7 @@ struct clk *tegra_clk_register_sync_source(const char *name,
init.ops = &tegra_clk_sync_source_ops;
init.name = name;
- init.flags = CLK_IS_ROOT;
+ init.flags = 0;
init.parent_names = NULL;
init.num_parents = 0;
diff --git a/drivers/clk/tegra/clk-dfll.c b/drivers/clk/tegra/clk-dfll.c
index 86a307b17eb0..19bfa07e24b1 100644
--- a/drivers/clk/tegra/clk-dfll.c
+++ b/drivers/clk/tegra/clk-dfll.c
@@ -995,7 +995,6 @@ static const struct clk_ops dfll_clk_ops = {
};
static struct clk_init_data dfll_clk_init_data = {
- .flags = CLK_IS_ROOT,
.ops = &dfll_clk_ops,
.num_parents = 0,
};
diff --git a/drivers/clk/tegra/clk-tegra-fixed.c b/drivers/clk/tegra/clk-tegra-fixed.c
index da0b5941c89f..d64ec7a1b976 100644
--- a/drivers/clk/tegra/clk-tegra-fixed.c
+++ b/drivers/clk/tegra/clk-tegra-fixed.c
@@ -52,8 +52,7 @@ int __init tegra_osc_clk_init(void __iomem *clk_base, struct tegra_clk *clks,
return -EINVAL;
}
- osc = clk_register_fixed_rate(NULL, "osc", NULL, CLK_IS_ROOT,
- *osc_freq);
+ osc = clk_register_fixed_rate(NULL, "osc", NULL, 0, *osc_freq);
dt_clk = tegra_lookup_dt_id(tegra_clk_clk_m, clks);
if (!dt_clk)
@@ -88,8 +87,7 @@ void __init tegra_fixed_clk_init(struct tegra_clk *tegra_clks)
/* clk_32k */
dt_clk = tegra_lookup_dt_id(tegra_clk_clk_32k, tegra_clks);
if (dt_clk) {
- clk = clk_register_fixed_rate(NULL, "clk_32k", NULL,
- CLK_IS_ROOT, 32768);
+ clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, 0, 32768);
*dt_clk = clk;
}
diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c
index 4a24aa4bbdea..df47ec3169c3 100644
--- a/drivers/clk/tegra/clk-tegra114.c
+++ b/drivers/clk/tegra/clk-tegra114.c
@@ -972,8 +972,7 @@ static void __init tegra114_fixed_clk_init(void __iomem *clk_base)
struct clk *clk;
/* clk_32k */
- clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, CLK_IS_ROOT,
- 32768);
+ clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, 0, 32768);
clks[TEGRA114_CLK_CLK_32K] = clk;
/* clk_m_div2 */
diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c
index 7a48e986c4c9..7ad63837694f 100644
--- a/drivers/clk/tegra/clk-tegra20.c
+++ b/drivers/clk/tegra/clk-tegra20.c
@@ -837,15 +837,13 @@ static void __init tegra20_periph_clk_init(void)
clks[TEGRA20_CLK_PEX] = clk;
/* cdev1 */
- clk = clk_register_fixed_rate(NULL, "cdev1_fixed", NULL, CLK_IS_ROOT,
- 26000000);
+ clk = clk_register_fixed_rate(NULL, "cdev1_fixed", NULL, 0, 26000000);
clk = tegra_clk_register_periph_gate("cdev1", "cdev1_fixed", 0,
clk_base, 0, 94, periph_clk_enb_refcnt);
clks[TEGRA20_CLK_CDEV1] = clk;
/* cdev2 */
- clk = clk_register_fixed_rate(NULL, "cdev2_fixed", NULL, CLK_IS_ROOT,
- 26000000);
+ clk = clk_register_fixed_rate(NULL, "cdev2_fixed", NULL, 0, 26000000);
clk = tegra_clk_register_periph_gate("cdev2", "cdev2_fixed", 0,
clk_base, 0, 93, periph_clk_enb_refcnt);
clks[TEGRA20_CLK_CDEV2] = clk;
@@ -879,8 +877,8 @@ static void __init tegra20_osc_clk_init(void)
input_freq = tegra20_clk_measure_input_freq();
/* clk_m */
- clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IS_ROOT |
- CLK_IGNORE_UNUSED, input_freq);
+ clk = clk_register_fixed_rate(NULL, "clk_m", NULL, CLK_IGNORE_UNUSED,
+ input_freq);
clks[TEGRA20_CLK_CLK_M] = clk;
/* pll_ref */
diff --git a/drivers/clk/ti/Kconfig b/drivers/clk/ti/Kconfig
new file mode 100644
index 000000000000..271341787e67
--- /dev/null
+++ b/drivers/clk/ti/Kconfig
@@ -0,0 +1,6 @@
+config COMMON_CLK_TI_ADPLL
+ tristate "Clock driver for dm814x ADPLL"
+ depends on ARCH_OMAP2PLUS || COMPILE_TEST
+ default y if SOC_TI81XX
+ ---help---
+ ADPLL clock driver for the dm814x SoC using common clock framework.
diff --git a/drivers/clk/ti/Makefile b/drivers/clk/ti/Makefile
index d4ac96087ccd..0deac9821039 100644
--- a/drivers/clk/ti/Makefile
+++ b/drivers/clk/ti/Makefile
@@ -1,3 +1,5 @@
+ifeq ($(CONFIG_ARCH_OMAP2PLUS), y)
+
obj-y += clk.o autoidle.o clockdomain.o
clk-common = dpll.o composite.o divider.o gate.o \
fixed-factor.o mux.o apll.o \
@@ -18,3 +20,7 @@ obj-$(CONFIG_SOC_AM43XX) += $(clk-common) dpll3xxx.o clk-43xx.o
ifdef CONFIG_ATAGS
obj-$(CONFIG_ARCH_OMAP3) += clk-3xxx-legacy.o
endif
+
+endif # CONFIG_ARCH_OMAP2PLUS
+
+obj-$(CONFIG_COMMON_CLK_TI_ADPLL) += adpll.o
diff --git a/drivers/clk/ti/adpll.c b/drivers/clk/ti/adpll.c
new file mode 100644
index 000000000000..255cafb18336
--- /dev/null
+++ b/drivers/clk/ti/adpll.c
@@ -0,0 +1,983 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <linux/clk.h>
+#include <linux/clkdev.h>
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/math64.h>
+#include <linux/module.h>
+#include <linux/of_device.h>
+#include <linux/string.h>
+
+#define ADPLL_PLLSS_MMR_LOCK_OFFSET 0x00 /* Managed by MPPULL */
+#define ADPLL_PLLSS_MMR_LOCK_ENABLED 0x1f125B64
+#define ADPLL_PLLSS_MMR_UNLOCK_MAGIC 0x1eda4c3d
+
+#define ADPLL_PWRCTRL_OFFSET 0x00
+#define ADPLL_PWRCTRL_PONIN 5
+#define ADPLL_PWRCTRL_PGOODIN 4
+#define ADPLL_PWRCTRL_RET 3
+#define ADPLL_PWRCTRL_ISORET 2
+#define ADPLL_PWRCTRL_ISOSCAN 1
+#define ADPLL_PWRCTRL_OFFMODE 0
+
+#define ADPLL_CLKCTRL_OFFSET 0x04
+#define ADPLL_CLKCTRL_CLKDCOLDOEN 29
+#define ADPLL_CLKCTRL_IDLE 23
+#define ADPLL_CLKCTRL_CLKOUTEN 20
+#define ADPLL_CLKINPHIFSEL_ADPLL_S 19 /* REVISIT: which bit? */
+#define ADPLL_CLKCTRL_CLKOUTLDOEN_ADPLL_LJ 19
+#define ADPLL_CLKCTRL_ULOWCLKEN 18
+#define ADPLL_CLKCTRL_CLKDCOLDOPWDNZ 17
+#define ADPLL_CLKCTRL_M2PWDNZ 16
+#define ADPLL_CLKCTRL_M3PWDNZ_ADPLL_S 15
+#define ADPLL_CLKCTRL_LOWCURRSTDBY_ADPLL_S 13
+#define ADPLL_CLKCTRL_LPMODE_ADPLL_S 12
+#define ADPLL_CLKCTRL_REGM4XEN_ADPLL_S 10
+#define ADPLL_CLKCTRL_SELFREQDCO_ADPLL_LJ 10
+#define ADPLL_CLKCTRL_TINITZ 0
+
+#define ADPLL_TENABLE_OFFSET 0x08
+#define ADPLL_TENABLEDIV_OFFSET 0x8c
+
+#define ADPLL_M2NDIV_OFFSET 0x10
+#define ADPLL_M2NDIV_M2 16
+#define ADPLL_M2NDIV_M2_ADPLL_S_WIDTH 5
+#define ADPLL_M2NDIV_M2_ADPLL_LJ_WIDTH 7
+
+#define ADPLL_MN2DIV_OFFSET 0x14
+#define ADPLL_MN2DIV_N2 16
+
+#define ADPLL_FRACDIV_OFFSET 0x18
+#define ADPLL_FRACDIV_REGSD 24
+#define ADPLL_FRACDIV_FRACTIONALM 0
+#define ADPLL_FRACDIV_FRACTIONALM_MASK 0x3ffff
+
+#define ADPLL_BWCTRL_OFFSET 0x1c
+#define ADPLL_BWCTRL_BWCONTROL 1
+#define ADPLL_BWCTRL_BW_INCR_DECRZ 0
+
+#define ADPLL_RESERVED_OFFSET 0x20
+
+#define ADPLL_STATUS_OFFSET 0x24
+#define ADPLL_STATUS_PONOUT 31
+#define ADPLL_STATUS_PGOODOUT 30
+#define ADPLL_STATUS_LDOPWDN 29
+#define ADPLL_STATUS_RECAL_BSTATUS3 28
+#define ADPLL_STATUS_RECAL_OPPIN 27
+#define ADPLL_STATUS_PHASELOCK 10
+#define ADPLL_STATUS_FREQLOCK 9
+#define ADPLL_STATUS_BYPASSACK 8
+#define ADPLL_STATUS_LOSSREF 6
+#define ADPLL_STATUS_CLKOUTENACK 5
+#define ADPLL_STATUS_LOCK2 4
+#define ADPLL_STATUS_M2CHANGEACK 3
+#define ADPLL_STATUS_HIGHJITTER 1
+#define ADPLL_STATUS_BYPASS 0
+#define ADPLL_STATUS_PREPARED_MASK (BIT(ADPLL_STATUS_PHASELOCK) | \
+ BIT(ADPLL_STATUS_FREQLOCK))
+
+#define ADPLL_M3DIV_OFFSET 0x28 /* Only on MPUPLL */
+#define ADPLL_M3DIV_M3 0
+#define ADPLL_M3DIV_M3_WIDTH 5
+#define ADPLL_M3DIV_M3_MASK 0x1f
+
+#define ADPLL_RAMPCTRL_OFFSET 0x2c /* Only on MPUPLL */
+#define ADPLL_RAMPCTRL_CLKRAMPLEVEL 19
+#define ADPLL_RAMPCTRL_CLKRAMPRATE 16
+#define ADPLL_RAMPCTRL_RELOCK_RAMP_EN 0
+
+#define MAX_ADPLL_INPUTS 3
+#define MAX_ADPLL_OUTPUTS 4
+#define ADPLL_MAX_RETRIES 5
+
+#define to_dco(_hw) container_of(_hw, struct ti_adpll_dco_data, hw)
+#define to_adpll(_hw) container_of(_hw, struct ti_adpll_data, dco)
+#define to_clkout(_hw) container_of(_hw, struct ti_adpll_clkout_data, hw)
+
+enum ti_adpll_clocks {
+ TI_ADPLL_DCO,
+ TI_ADPLL_DCO_GATE,
+ TI_ADPLL_N2,
+ TI_ADPLL_M2,
+ TI_ADPLL_M2_GATE,
+ TI_ADPLL_BYPASS,
+ TI_ADPLL_HIF,
+ TI_ADPLL_DIV2,
+ TI_ADPLL_CLKOUT,
+ TI_ADPLL_CLKOUT2,
+ TI_ADPLL_M3,
+};
+
+#define TI_ADPLL_NR_CLOCKS (TI_ADPLL_M3 + 1)
+
+enum ti_adpll_inputs {
+ TI_ADPLL_CLKINP,
+ TI_ADPLL_CLKINPULOW,
+ TI_ADPLL_CLKINPHIF,
+};
+
+enum ti_adpll_s_outputs {
+ TI_ADPLL_S_DCOCLKLDO,
+ TI_ADPLL_S_CLKOUT,
+ TI_ADPLL_S_CLKOUTX2,
+ TI_ADPLL_S_CLKOUTHIF,
+};
+
+enum ti_adpll_lj_outputs {
+ TI_ADPLL_LJ_CLKDCOLDO,
+ TI_ADPLL_LJ_CLKOUT,
+ TI_ADPLL_LJ_CLKOUTLDO,
+};
+
+struct ti_adpll_platform_data {
+ const bool is_type_s;
+ const int nr_max_inputs;
+ const int nr_max_outputs;
+ const int output_index;
+};
+
+struct ti_adpll_clock {
+ struct clk *clk;
+ struct clk_lookup *cl;
+ void (*unregister)(struct clk *clk);
+};
+
+struct ti_adpll_dco_data {
+ struct clk_hw hw;
+};
+
+struct ti_adpll_clkout_data {
+ struct ti_adpll_data *adpll;
+ struct clk_gate gate;
+ struct clk_hw hw;
+};
+
+struct ti_adpll_data {
+ struct device *dev;
+ const struct ti_adpll_platform_data *c;
+ struct device_node *np;
+ unsigned long pa;
+ void __iomem *iobase;
+ void __iomem *regs;
+ spinlock_t lock; /* For ADPLL shared register access */
+ const char *parent_names[MAX_ADPLL_INPUTS];
+ struct clk *parent_clocks[MAX_ADPLL_INPUTS];
+ struct ti_adpll_clock *clocks;
+ struct clk_onecell_data outputs;
+ struct ti_adpll_dco_data dco;
+};
+
+static const char *ti_adpll_clk_get_name(struct ti_adpll_data *d,
+ int output_index,
+ const char *postfix)
+{
+ const char *name;
+ int err;
+
+ if (output_index >= 0) {
+ err = of_property_read_string_index(d->np,
+ "clock-output-names",
+ output_index,
+ &name);
+ if (err)
+ return NULL;
+ } else {
+ const char *base_name = "adpll";
+ char *buf;
+
+ buf = devm_kzalloc(d->dev, 8 + 1 + strlen(base_name) + 1 +
+ strlen(postfix), GFP_KERNEL);
+ if (!buf)
+ return NULL;
+ sprintf(buf, "%08lx.%s.%s", d->pa, base_name, postfix);
+ name = buf;
+ }
+
+ return name;
+}
+
+#define ADPLL_MAX_CON_ID 16 /* See MAX_CON_ID */
+
+static int ti_adpll_setup_clock(struct ti_adpll_data *d, struct clk *clock,
+ int index, int output_index, const char *name,
+ void (*unregister)(struct clk *clk))
+{
+ struct clk_lookup *cl;
+ const char *postfix = NULL;
+ char con_id[ADPLL_MAX_CON_ID];
+
+ d->clocks[index].clk = clock;
+ d->clocks[index].unregister = unregister;
+
+ /* Separate con_id in format "pll040dcoclkldo" to fit MAX_CON_ID */
+ postfix = strrchr(name, '.');
+ if (strlen(postfix) > 1) {
+ if (strlen(postfix) > ADPLL_MAX_CON_ID)
+ dev_warn(d->dev, "clock %s con_id lookup may fail\n",
+ name);
+ snprintf(con_id, 16, "pll%03lx%s", d->pa & 0xfff, postfix + 1);
+ cl = clkdev_create(clock, con_id, NULL);
+ if (!cl)
+ return -ENOMEM;
+ d->clocks[index].cl = cl;
+ } else {
+ dev_warn(d->dev, "no con_id for clock %s\n", name);
+ }
+
+ if (output_index < 0)
+ return 0;
+
+ d->outputs.clks[output_index] = clock;
+ d->outputs.clk_num++;
+
+ return 0;
+}
+
+static int ti_adpll_init_divider(struct ti_adpll_data *d,
+ enum ti_adpll_clocks index,
+ int output_index, char *name,
+ struct clk *parent_clock,
+ void __iomem *reg,
+ u8 shift, u8 width,
+ u8 clk_divider_flags)
+{
+ const char *child_name;
+ const char *parent_name;
+ struct clk *clock;
+
+ child_name = ti_adpll_clk_get_name(d, output_index, name);
+ if (!child_name)
+ return -EINVAL;
+
+ parent_name = __clk_get_name(parent_clock);
+ clock = clk_register_divider(d->dev, child_name, parent_name, 0,
+ reg, shift, width, clk_divider_flags,
+ &d->lock);
+ if (IS_ERR(clock)) {
+ dev_err(d->dev, "failed to register divider %s: %li\n",
+ name, PTR_ERR(clock));
+ return PTR_ERR(clock);
+ }
+
+ return ti_adpll_setup_clock(d, clock, index, output_index, child_name,
+ clk_unregister_divider);
+}
+
+static int ti_adpll_init_mux(struct ti_adpll_data *d,
+ enum ti_adpll_clocks index,
+ char *name, struct clk *clk0,
+ struct clk *clk1,
+ void __iomem *reg,
+ u8 shift)
+{
+ const char *child_name;
+ const char *parents[2];
+ struct clk *clock;
+
+ child_name = ti_adpll_clk_get_name(d, -ENODEV, name);
+ if (!child_name)
+ return -ENOMEM;
+ parents[0] = __clk_get_name(clk0);
+ parents[1] = __clk_get_name(clk1);
+ clock = clk_register_mux(d->dev, child_name, parents, 2, 0,
+ reg, shift, 1, 0, &d->lock);
+ if (IS_ERR(clock)) {
+ dev_err(d->dev, "failed to register mux %s: %li\n",
+ name, PTR_ERR(clock));
+ return PTR_ERR(clock);
+ }
+
+ return ti_adpll_setup_clock(d, clock, index, -ENODEV, child_name,
+ clk_unregister_mux);
+}
+
+static int ti_adpll_init_gate(struct ti_adpll_data *d,
+ enum ti_adpll_clocks index,
+ int output_index, char *name,
+ struct clk *parent_clock,
+ void __iomem *reg,
+ u8 bit_idx,
+ u8 clk_gate_flags)
+{
+ const char *child_name;
+ const char *parent_name;
+ struct clk *clock;
+
+ child_name = ti_adpll_clk_get_name(d, output_index, name);
+ if (!child_name)
+ return -EINVAL;
+
+ parent_name = __clk_get_name(parent_clock);
+ clock = clk_register_gate(d->dev, child_name, parent_name, 0,
+ reg, bit_idx, clk_gate_flags,
+ &d->lock);
+ if (IS_ERR(clock)) {
+ dev_err(d->dev, "failed to register gate %s: %li\n",
+ name, PTR_ERR(clock));
+ return PTR_ERR(clock);
+ }
+
+ return ti_adpll_setup_clock(d, clock, index, output_index, child_name,
+ clk_unregister_gate);
+}
+
+static int ti_adpll_init_fixed_factor(struct ti_adpll_data *d,
+ enum ti_adpll_clocks index,
+ char *name,
+ struct clk *parent_clock,
+ unsigned int mult,
+ unsigned int div)
+{
+ const char *child_name;
+ const char *parent_name;
+ struct clk *clock;
+
+ child_name = ti_adpll_clk_get_name(d, -ENODEV, name);
+ if (!child_name)
+ return -ENOMEM;
+
+ parent_name = __clk_get_name(parent_clock);
+ clock = clk_register_fixed_factor(d->dev, child_name, parent_name,
+ 0, mult, div);
+ if (IS_ERR(clock))
+ return PTR_ERR(clock);
+
+ return ti_adpll_setup_clock(d, clock, index, -ENODEV, child_name,
+ clk_unregister);
+}
+
+static void ti_adpll_set_idle_bypass(struct ti_adpll_data *d)
+{
+ unsigned long flags;
+ u32 v;
+
+ spin_lock_irqsave(&d->lock, flags);
+ v = readl_relaxed(d->regs + ADPLL_CLKCTRL_OFFSET);
+ v |= BIT(ADPLL_CLKCTRL_IDLE);
+ writel_relaxed(v, d->regs + ADPLL_CLKCTRL_OFFSET);
+ spin_unlock_irqrestore(&d->lock, flags);
+}
+
+static void ti_adpll_clear_idle_bypass(struct ti_adpll_data *d)
+{
+ unsigned long flags;
+ u32 v;
+
+ spin_lock_irqsave(&d->lock, flags);
+ v = readl_relaxed(d->regs + ADPLL_CLKCTRL_OFFSET);
+ v &= ~BIT(ADPLL_CLKCTRL_IDLE);
+ writel_relaxed(v, d->regs + ADPLL_CLKCTRL_OFFSET);
+ spin_unlock_irqrestore(&d->lock, flags);
+}
+
+static bool ti_adpll_clock_is_bypass(struct ti_adpll_data *d)
+{
+ u32 v;
+
+ v = readl_relaxed(d->regs + ADPLL_STATUS_OFFSET);
+
+ return v & BIT(ADPLL_STATUS_BYPASS);
+}
+
+/*
+ * Locked and bypass are not actually mutually exclusive: if you only care
+ * about the DCO clock and not CLKOUT you can clear M2PWDNZ before enabling
+ * the PLL, resulting in status (FREQLOCK | PHASELOCK | BYPASS) after lock.
+ */
+static bool ti_adpll_is_locked(struct ti_adpll_data *d)
+{
+ u32 v = readl_relaxed(d->regs + ADPLL_STATUS_OFFSET);
+
+ return (v & ADPLL_STATUS_PREPARED_MASK) == ADPLL_STATUS_PREPARED_MASK;
+}
+
+static int ti_adpll_wait_lock(struct ti_adpll_data *d)
+{
+ int retries = ADPLL_MAX_RETRIES;
+
+ do {
+ if (ti_adpll_is_locked(d))
+ return 0;
+ usleep_range(200, 300);
+ } while (retries--);
+
+ dev_err(d->dev, "pll failed to lock\n");
+ return -ETIMEDOUT;
+}
+
+static int ti_adpll_prepare(struct clk_hw *hw)
+{
+ struct ti_adpll_dco_data *dco = to_dco(hw);
+ struct ti_adpll_data *d = to_adpll(dco);
+
+ ti_adpll_clear_idle_bypass(d);
+ ti_adpll_wait_lock(d);
+
+ return 0;
+}
+
+static void ti_adpll_unprepare(struct clk_hw *hw)
+{
+ struct ti_adpll_dco_data *dco = to_dco(hw);
+ struct ti_adpll_data *d = to_adpll(dco);
+
+ ti_adpll_set_idle_bypass(d);
+}
+
+static int ti_adpll_is_prepared(struct clk_hw *hw)
+{
+ struct ti_adpll_dco_data *dco = to_dco(hw);
+ struct ti_adpll_data *d = to_adpll(dco);
+
+ return ti_adpll_is_locked(d);
+}
+
+/*
+ * Note that the DCO clock is never subject to bypass: if the PLL is off,
+ * dcoclk is low.
+ */
+static unsigned long ti_adpll_recalc_rate(struct clk_hw *hw,
+ unsigned long parent_rate)
+{
+ struct ti_adpll_dco_data *dco = to_dco(hw);
+ struct ti_adpll_data *d = to_adpll(dco);
+ u32 frac_m, divider, v;
+ u64 rate;
+ unsigned long flags;
+
+ if (ti_adpll_clock_is_bypass(d))
+ return 0;
+
+ spin_lock_irqsave(&d->lock, flags);
+ frac_m = readl_relaxed(d->regs + ADPLL_FRACDIV_OFFSET);
+ frac_m &= ADPLL_FRACDIV_FRACTIONALM_MASK;
+ rate = (u64)readw_relaxed(d->regs + ADPLL_MN2DIV_OFFSET) << 18;
+ rate += frac_m;
+ rate *= parent_rate;
+ divider = (readw_relaxed(d->regs + ADPLL_M2NDIV_OFFSET) + 1) << 18;
+ spin_unlock_irqrestore(&d->lock, flags);
+
+ do_div(rate, divider);
+
+ if (d->c->is_type_s) {
+ v = readl_relaxed(d->regs + ADPLL_CLKCTRL_OFFSET);
+ if (v & BIT(ADPLL_CLKCTRL_REGM4XEN_ADPLL_S))
+ rate *= 4;
+ rate *= 2;
+ }
+
+ return rate;
+}
+
+/* PLL parent is always clkinp, bypass only affects the children */
+static u8 ti_adpll_get_parent(struct clk_hw *hw)
+{
+ return 0;
+}
+
+static struct clk_ops ti_adpll_ops = {
+ .prepare = ti_adpll_prepare,
+ .unprepare = ti_adpll_unprepare,
+ .is_prepared = ti_adpll_is_prepared,
+ .recalc_rate = ti_adpll_recalc_rate,
+ .get_parent = ti_adpll_get_parent,
+};
+
+static int ti_adpll_init_dco(struct ti_adpll_data *d)
+{
+ struct clk_init_data init;
+ struct clk *clock;
+ const char *postfix;
+ int width, err;
+
+ d->outputs.clks = devm_kzalloc(d->dev, sizeof(struct clk *) *
+ MAX_ADPLL_OUTPUTS,
+ GFP_KERNEL);
+ if (!d->outputs.clks)
+ return -ENOMEM;
+
+ if (d->c->output_index < 0)
+ postfix = "dco";
+ else
+ postfix = NULL;
+
+ init.name = ti_adpll_clk_get_name(d, d->c->output_index, postfix);
+ if (!init.name)
+ return -EINVAL;
+
+ init.parent_names = d->parent_names;
+ init.num_parents = d->c->nr_max_inputs;
+ init.ops = &ti_adpll_ops;
+ init.flags = CLK_GET_RATE_NOCACHE;
+ d->dco.hw.init = &init;
+
+ if (d->c->is_type_s)
+ width = 5;
+ else
+ width = 4;
+
+ /* Internal input clock divider N2 */
+ err = ti_adpll_init_divider(d, TI_ADPLL_N2, -ENODEV, "n2",
+ d->parent_clocks[TI_ADPLL_CLKINP],
+ d->regs + ADPLL_MN2DIV_OFFSET,
+ ADPLL_MN2DIV_N2, width, 0);
+ if (err)
+ return err;
+
+ clock = devm_clk_register(d->dev, &d->dco.hw);
+ if (IS_ERR(clock))
+ return PTR_ERR(clock);
+
+ return ti_adpll_setup_clock(d, clock, TI_ADPLL_DCO, d->c->output_index,
+ init.name, NULL);
+}
+
+static int ti_adpll_clkout_enable(struct clk_hw *hw)
+{
+ struct ti_adpll_clkout_data *co = to_clkout(hw);
+ struct clk_hw *gate_hw = &co->gate.hw;
+
+ __clk_hw_set_clk(gate_hw, hw);
+
+ return clk_gate_ops.enable(gate_hw);
+}
+
+static void ti_adpll_clkout_disable(struct clk_hw *hw)
+{
+ struct ti_adpll_clkout_data *co = to_clkout(hw);
+ struct clk_hw *gate_hw = &co->gate.hw;
+
+ __clk_hw_set_clk(gate_hw, hw);
+ clk_gate_ops.disable(gate_hw);
+}
+
+static int ti_adpll_clkout_is_enabled(struct clk_hw *hw)
+{
+ struct ti_adpll_clkout_data *co = to_clkout(hw);
+ struct clk_hw *gate_hw = &co->gate.hw;
+
+ __clk_hw_set_clk(gate_hw, hw);
+
+ return clk_gate_ops.is_enabled(gate_hw);
+}
+
+/* Setting PLL bypass puts clkout and clkoutx2 into bypass */
+static u8 ti_adpll_clkout_get_parent(struct clk_hw *hw)
+{
+ struct ti_adpll_clkout_data *co = to_clkout(hw);
+ struct ti_adpll_data *d = co->adpll;
+
+ return ti_adpll_clock_is_bypass(d);
+}
+
+static int ti_adpll_init_clkout(struct ti_adpll_data *d,
+ enum ti_adpll_clocks index,
+ int output_index, int gate_bit,
+ char *name, struct clk *clk0,
+ struct clk *clk1)
+{
+ struct ti_adpll_clkout_data *co;
+ struct clk_init_data init;
+ struct clk_ops *ops;
+ const char *parent_names[2];
+ const char *child_name;
+ struct clk *clock;
+ int err;
+
+ co = devm_kzalloc(d->dev, sizeof(*co), GFP_KERNEL);
+ if (!co)
+ return -ENOMEM;
+ co->adpll = d;
+
+ err = of_property_read_string_index(d->np,
+ "clock-output-names",
+ output_index,
+ &child_name);
+ if (err)
+ return err;
+
+ ops = devm_kzalloc(d->dev, sizeof(*ops), GFP_KERNEL);
+ if (!ops)
+ return -ENOMEM;
+
+ init.name = child_name;
+ init.ops = ops;
+ init.flags = CLK_IS_BASIC;
+ co->hw.init = &init;
+ parent_names[0] = __clk_get_name(clk0);
+ parent_names[1] = __clk_get_name(clk1);
+ init.parent_names = parent_names;
+ init.num_parents = 2;
+
+ ops->get_parent = ti_adpll_clkout_get_parent;
+ ops->determine_rate = __clk_mux_determine_rate;
+ if (gate_bit) {
+ co->gate.lock = &d->lock;
+ co->gate.reg = d->regs + ADPLL_CLKCTRL_OFFSET;
+ co->gate.bit_idx = gate_bit;
+ ops->enable = ti_adpll_clkout_enable;
+ ops->disable = ti_adpll_clkout_disable;
+ ops->is_enabled = ti_adpll_clkout_is_enabled;
+ }
+
+ clock = devm_clk_register(d->dev, &co->hw);
+ if (IS_ERR(clock)) {
+ dev_err(d->dev, "failed to register output %s: %li\n",
+ name, PTR_ERR(clock));
+ return PTR_ERR(clock);
+ }
+
+ return ti_adpll_setup_clock(d, clock, index, output_index, child_name,
+ NULL);
+}
+
+static int ti_adpll_init_children_adpll_s(struct ti_adpll_data *d)
+{
+ int err;
+
+ if (!d->c->is_type_s)
+ return 0;
+
+ /* Internal mux, sources from divider N2 or clkinpulow */
+ err = ti_adpll_init_mux(d, TI_ADPLL_BYPASS, "bypass",
+ d->clocks[TI_ADPLL_N2].clk,
+ d->parent_clocks[TI_ADPLL_CLKINPULOW],
+ d->regs + ADPLL_CLKCTRL_OFFSET,
+ ADPLL_CLKCTRL_ULOWCLKEN);
+ if (err)
+ return err;
+
+ /* Internal divider M2, sources DCO */
+ err = ti_adpll_init_divider(d, TI_ADPLL_M2, -ENODEV, "m2",
+ d->clocks[TI_ADPLL_DCO].clk,
+ d->regs + ADPLL_M2NDIV_OFFSET,
+ ADPLL_M2NDIV_M2,
+ ADPLL_M2NDIV_M2_ADPLL_S_WIDTH,
+ CLK_DIVIDER_ONE_BASED);
+ if (err)
+ return err;
+
+ /* Internal fixed divider, after M2 before clkout */
+ err = ti_adpll_init_fixed_factor(d, TI_ADPLL_DIV2, "div2",
+ d->clocks[TI_ADPLL_M2].clk,
+ 1, 2);
+ if (err)
+ return err;
+
+ /* Output clkout with a mux and gate, sources from div2 or bypass */
+ err = ti_adpll_init_clkout(d, TI_ADPLL_CLKOUT, TI_ADPLL_S_CLKOUT,
+ ADPLL_CLKCTRL_CLKOUTEN, "clkout",
+ d->clocks[TI_ADPLL_DIV2].clk,
+ d->clocks[TI_ADPLL_BYPASS].clk);
+ if (err)
+ return err;
+
+ /* Output clkoutx2 with a mux and gate, sources from M2 or bypass */
+ err = ti_adpll_init_clkout(d, TI_ADPLL_CLKOUT2, TI_ADPLL_S_CLKOUTX2, 0,
+ "clkout2", d->clocks[TI_ADPLL_M2].clk,
+ d->clocks[TI_ADPLL_BYPASS].clk);
+ if (err)
+ return err;
+
+ /* Internal mux, sources from DCO and clkinphif */
+ if (d->parent_clocks[TI_ADPLL_CLKINPHIF]) {
+ err = ti_adpll_init_mux(d, TI_ADPLL_HIF, "hif",
+ d->clocks[TI_ADPLL_DCO].clk,
+ d->parent_clocks[TI_ADPLL_CLKINPHIF],
+ d->regs + ADPLL_CLKCTRL_OFFSET,
+ ADPLL_CLKINPHIFSEL_ADPLL_S);
+ if (err)
+ return err;
+ }
+
+ /* Output clkouthif with a divider M3, sources from hif */
+ err = ti_adpll_init_divider(d, TI_ADPLL_M3, TI_ADPLL_S_CLKOUTHIF, "m3",
+ d->clocks[TI_ADPLL_HIF].clk,
+ d->regs + ADPLL_M3DIV_OFFSET,
+ ADPLL_M3DIV_M3,
+ ADPLL_M3DIV_M3_WIDTH,
+ CLK_DIVIDER_ONE_BASED);
+ if (err)
+ return err;
+
+ /* Output clock dcoclkldo is the DCO */
+
+ return 0;
+}
+
+static int ti_adpll_init_children_adpll_lj(struct ti_adpll_data *d)
+{
+ int err;
+
+ if (d->c->is_type_s)
+ return 0;
+
+ /* Output clkdcoldo, gated output of DCO */
+ err = ti_adpll_init_gate(d, TI_ADPLL_DCO_GATE, TI_ADPLL_LJ_CLKDCOLDO,
+ "clkdcoldo", d->clocks[TI_ADPLL_DCO].clk,
+ d->regs + ADPLL_CLKCTRL_OFFSET,
+ ADPLL_CLKCTRL_CLKDCOLDOEN, 0);
+ if (err)
+ return err;
+
+ /* Internal divider M2, sources from DCO */
+ err = ti_adpll_init_divider(d, TI_ADPLL_M2, -ENODEV,
+ "m2", d->clocks[TI_ADPLL_DCO].clk,
+ d->regs + ADPLL_M2NDIV_OFFSET,
+ ADPLL_M2NDIV_M2,
+ ADPLL_M2NDIV_M2_ADPLL_LJ_WIDTH,
+ CLK_DIVIDER_ONE_BASED);
+ if (err)
+ return err;
+
+ /* Output clkoutldo, gated output of M2 */
+ err = ti_adpll_init_gate(d, TI_ADPLL_M2_GATE, TI_ADPLL_LJ_CLKOUTLDO,
+ "clkoutldo", d->clocks[TI_ADPLL_M2].clk,
+ d->regs + ADPLL_CLKCTRL_OFFSET,
+ ADPLL_CLKCTRL_CLKOUTLDOEN_ADPLL_LJ,
+ 0);
+ if (err)
+ return err;
+
+ /* Internal mux, sources from divider N2 or clkinpulow */
+ err = ti_adpll_init_mux(d, TI_ADPLL_BYPASS, "bypass",
+ d->clocks[TI_ADPLL_N2].clk,
+ d->parent_clocks[TI_ADPLL_CLKINPULOW],
+ d->regs + ADPLL_CLKCTRL_OFFSET,
+ ADPLL_CLKCTRL_ULOWCLKEN);
+ if (err)
+ return err;
+
+ /* Output clkout, sources M2 or bypass */
+ err = ti_adpll_init_clkout(d, TI_ADPLL_CLKOUT, TI_ADPLL_S_CLKOUT,
+ ADPLL_CLKCTRL_CLKOUTEN, "clkout",
+ d->clocks[TI_ADPLL_M2].clk,
+ d->clocks[TI_ADPLL_BYPASS].clk);
+ if (err)
+ return err;
+
+ return 0;
+}
+
+static void ti_adpll_free_resources(struct ti_adpll_data *d)
+{
+ int i;
+
+ for (i = TI_ADPLL_M3; i >= 0; i--) {
+ struct ti_adpll_clock *ac = &d->clocks[i];
+
+ if (!ac || IS_ERR_OR_NULL(ac->clk))
+ continue;
+ if (ac->cl)
+ clkdev_drop(ac->cl);
+ if (ac->unregister)
+ ac->unregister(ac->clk);
+ }
+}
+
+/* MPU PLL manages the lock register for all PLLs */
+static void ti_adpll_unlock_all(void __iomem *reg)
+{
+ u32 v;
+
+ v = readl_relaxed(reg);
+ if (v == ADPLL_PLLSS_MMR_LOCK_ENABLED)
+ writel_relaxed(ADPLL_PLLSS_MMR_UNLOCK_MAGIC, reg);
+}
+
+static int ti_adpll_init_registers(struct ti_adpll_data *d)
+{
+ int register_offset = 0;
+
+ if (d->c->is_type_s) {
+ register_offset = 8;
+ ti_adpll_unlock_all(d->iobase + ADPLL_PLLSS_MMR_LOCK_OFFSET);
+ }
+
+ d->regs = d->iobase + register_offset + ADPLL_PWRCTRL_OFFSET;
+
+ return 0;
+}
+
+static int ti_adpll_init_inputs(struct ti_adpll_data *d)
+{
+ const char *error = "need at least %i inputs";
+ struct clk *clock;
+ int nr_inputs;
+
+ nr_inputs = of_clk_get_parent_count(d->np);
+ if (nr_inputs < d->c->nr_max_inputs) {
+ dev_err(d->dev, error, nr_inputs);
+ return -EINVAL;
+ }
+ of_clk_parent_fill(d->np, d->parent_names, nr_inputs);
+
+ clock = devm_clk_get(d->dev, d->parent_names[0]);
+ if (IS_ERR(clock)) {
+ dev_err(d->dev, "could not get clkinp\n");
+ return PTR_ERR(clock);
+ }
+ d->parent_clocks[TI_ADPLL_CLKINP] = clock;
+
+ clock = devm_clk_get(d->dev, d->parent_names[1]);
+ if (IS_ERR(clock)) {
+ dev_err(d->dev, "could not get clkinpulow clock\n");
+ return PTR_ERR(clock);
+ }
+ d->parent_clocks[TI_ADPLL_CLKINPULOW] = clock;
+
+ if (d->c->is_type_s) {
+ clock = devm_clk_get(d->dev, d->parent_names[2]);
+ if (IS_ERR(clock)) {
+ dev_err(d->dev, "could not get clkinphif clock\n");
+ return PTR_ERR(clock);
+ }
+ d->parent_clocks[TI_ADPLL_CLKINPHIF] = clock;
+ }
+
+ return 0;
+}
+
+static const struct ti_adpll_platform_data ti_adpll_type_s = {
+ .is_type_s = true,
+ .nr_max_inputs = MAX_ADPLL_INPUTS,
+ .nr_max_outputs = MAX_ADPLL_OUTPUTS,
+ .output_index = TI_ADPLL_S_DCOCLKLDO,
+};
+
+static const struct ti_adpll_platform_data ti_adpll_type_lj = {
+ .is_type_s = false,
+ .nr_max_inputs = MAX_ADPLL_INPUTS - 1,
+ .nr_max_outputs = MAX_ADPLL_OUTPUTS - 1,
+ .output_index = -EINVAL,
+};
+
+static const struct of_device_id ti_adpll_match[] = {
+ { .compatible = "ti,dm814-adpll-s-clock", &ti_adpll_type_s },
+ { .compatible = "ti,dm814-adpll-lj-clock", &ti_adpll_type_lj },
+ {},
+};
+MODULE_DEVICE_TABLE(of, ti_adpll_match);
+
+static int ti_adpll_probe(struct platform_device *pdev)
+{
+ struct device_node *node = pdev->dev.of_node;
+ struct device *dev = &pdev->dev;
+ const struct of_device_id *match;
+ const struct ti_adpll_platform_data *pdata;
+ struct ti_adpll_data *d;
+ struct resource *res;
+ int err;
+
+ match = of_match_device(ti_adpll_match, dev);
+ if (match)
+ pdata = match->data;
+ else
+ return -ENODEV;
+
+ d = devm_kzalloc(dev, sizeof(*d), GFP_KERNEL);
+ if (!d)
+ return -ENOMEM;
+ d->dev = dev;
+ d->np = node;
+ d->c = pdata;
+ dev_set_drvdata(d->dev, d);
+ spin_lock_init(&d->lock);
+
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res)
+ return -ENODEV;
+ d->pa = res->start;
+
+ d->iobase = devm_ioremap_resource(dev, res);
+ if (IS_ERR(d->iobase)) {
+ dev_err(dev, "could not get IO base: %li\n",
+ PTR_ERR(d->iobase));
+ return PTR_ERR(d->iobase);
+ }
+
+ err = ti_adpll_init_registers(d);
+ if (err)
+ return err;
+
+ err = ti_adpll_init_inputs(d);
+ if (err)
+ return err;
+
+ d->clocks = devm_kzalloc(d->dev, sizeof(struct ti_adpll_clock) *
+ TI_ADPLL_NR_CLOCKS,
+ GFP_KERNEL);
+ if (!d->clocks)
+ return -ENOMEM;
+
+ err = ti_adpll_init_dco(d);
+ if (err) {
+ dev_err(dev, "could not register dco: %i\n", err);
+ goto free;
+ }
+
+ err = ti_adpll_init_children_adpll_s(d);
+ if (err)
+ goto free;
+ err = ti_adpll_init_children_adpll_lj(d);
+ if (err)
+ goto free;
+
+ err = of_clk_add_provider(d->np, of_clk_src_onecell_get, &d->outputs);
+ if (err)
+ goto free;
+
+ return 0;
+
+free:
+ WARN_ON(1);
+ ti_adpll_free_resources(d);
+
+ return err;
+}
+
+static int ti_adpll_remove(struct platform_device *pdev)
+{
+ struct ti_adpll_data *d = dev_get_drvdata(&pdev->dev);
+
+ ti_adpll_free_resources(d);
+
+ return 0;
+}
+
+static struct platform_driver ti_adpll_driver = {
+ .driver = {
+ .name = "ti-adpll",
+ .of_match_table = ti_adpll_match,
+ },
+ .probe = ti_adpll_probe,
+ .remove = ti_adpll_remove,
+};
+
+static int __init ti_adpll_init(void)
+{
+ return platform_driver_register(&ti_adpll_driver);
+}
+core_initcall(ti_adpll_init);
+
+static void __exit ti_adpll_exit(void)
+{
+ platform_driver_unregister(&ti_adpll_driver);
+}
+module_exit(ti_adpll_exit);
+
+MODULE_DESCRIPTION("Clock driver for dm814x ADPLL");
+MODULE_ALIAS("platform:dm814-adpll-clock");
+MODULE_AUTHOR("Tony LIndgren <tony@atomide.com>");
+MODULE_LICENSE("GPL v2");
diff --git a/drivers/clk/ti/apll.c b/drivers/clk/ti/apll.c
index b336a8c11e2a..6411e132faa2 100644
--- a/drivers/clk/ti/apll.c
+++ b/drivers/clk/ti/apll.c
@@ -140,11 +140,21 @@ static void __init omap_clk_register_apll(struct clk_hw *hw,
struct dpll_data *ad = clk_hw->dpll_data;
struct clk *clk;
- ad->clk_ref = of_clk_get(node, 0);
- ad->clk_bypass = of_clk_get(node, 1);
+ clk = of_clk_get(node, 0);
+ if (IS_ERR(clk)) {
+ pr_debug("clk-ref for %s not ready, retry\n",
+ node->name);
+ if (!ti_clk_retry_init(node, hw, omap_clk_register_apll))
+ return;
+
+ goto cleanup;
+ }
- if (IS_ERR(ad->clk_ref) || IS_ERR(ad->clk_bypass)) {
- pr_debug("clk-ref or clk-bypass for %s not ready, retry\n",
+ ad->clk_ref = __clk_get_hw(clk);
+
+ clk = of_clk_get(node, 1);
+ if (IS_ERR(clk)) {
+ pr_debug("clk-bypass for %s not ready, retry\n",
node->name);
if (!ti_clk_retry_init(node, hw, omap_clk_register_apll))
return;
@@ -152,6 +162,8 @@ static void __init omap_clk_register_apll(struct clk_hw *hw,
goto cleanup;
}
+ ad->clk_bypass = __clk_get_hw(clk);
+
clk = clk_register(NULL, &clk_hw->hw);
if (!IS_ERR(clk)) {
of_clk_add_provider(node, of_clk_src_simple_get, clk);
diff --git a/drivers/clk/ti/clk-814x.c b/drivers/clk/ti/clk-814x.c
index 9e85fcc74cc9..52c6efc53731 100644
--- a/drivers/clk/ti/clk-814x.c
+++ b/drivers/clk/ti/clk-814x.c
@@ -5,8 +5,10 @@
*/
#include <linux/kernel.h>
+#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/clk/ti.h>
+#include <linux/of_platform.h>
#include "clock.h"
@@ -27,11 +29,62 @@ static struct ti_dt_clk dm814_clks[] = {
{ .node_name = NULL },
};
+static bool timer_clocks_initialized;
+
+static int __init dm814x_adpll_early_init(void)
+{
+ struct device_node *np;
+
+ if (!timer_clocks_initialized)
+ return -ENODEV;
+
+ np = of_find_node_by_name(NULL, "pllss");
+ if (!np) {
+ pr_err("Could not find node for plls\n");
+ return -ENODEV;
+ }
+
+ of_platform_populate(np, NULL, NULL, NULL);
+
+ return 0;
+}
+core_initcall(dm814x_adpll_early_init);
+
+static const char * const init_clocks[] = {
+ "pll040clkout", /* MPU 481c5040.adpll.clkout */
+ "pll290clkout", /* DDR 481c5290.adpll.clkout */
+};
+
+static int __init dm814x_adpll_enable_init_clocks(void)
+{
+ int i, err;
+
+ if (!timer_clocks_initialized)
+ return -ENODEV;
+
+ for (i = 0; i < ARRAY_SIZE(init_clocks); i++) {
+ struct clk *clock;
+
+ clock = clk_get(NULL, init_clocks[i]);
+ if (WARN(IS_ERR(clock), "could not find init clock %s\n",
+ init_clocks[i]))
+ continue;
+ err = clk_prepare_enable(clock);
+ if (WARN(err, "could not enable init clock %s\n",
+ init_clocks[i]))
+ continue;
+ }
+
+ return 0;
+}
+postcore_initcall(dm814x_adpll_enable_init_clocks);
+
int __init dm814x_dt_clk_init(void)
{
ti_dt_clocks_register(dm814_clks);
omap2_clk_disable_autoidle_all();
omap2_clk_enable_init_clocks(NULL, 0);
+ timer_clocks_initialized = true;
return 0;
}
diff --git a/drivers/clk/ti/clk.c b/drivers/clk/ti/clk.c
index b5bcd77e8d0f..5fcf247759ac 100644
--- a/drivers/clk/ti/clk.c
+++ b/drivers/clk/ti/clk.c
@@ -305,8 +305,8 @@ struct clk __init *ti_clk_register_clk(struct ti_clk *setup)
case TI_CLK_FIXED:
fixed = setup->data;
- clk = clk_register_fixed_rate(NULL, setup->name, NULL,
- CLK_IS_ROOT, fixed->frequency);
+ clk = clk_register_fixed_rate(NULL, setup->name, NULL, 0,
+ fixed->frequency);
break;
case TI_CLK_MUX:
clk = ti_clk_register_mux(setup);
diff --git a/drivers/clk/ti/clkt_dpll.c b/drivers/clk/ti/clkt_dpll.c
index b5cc6f66ae5d..032c658a5f5e 100644
--- a/drivers/clk/ti/clkt_dpll.c
+++ b/drivers/clk/ti/clkt_dpll.c
@@ -254,7 +254,7 @@ unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk)
v >>= __ffs(dd->enable_mask);
if (_omap2_dpll_is_in_bypass(v))
- return clk_get_rate(dd->clk_bypass);
+ return clk_hw_get_rate(dd->clk_bypass);
v = ti_clk_ll_ops->clk_readl(dd->mult_div1_reg);
dpll_mult = v & dd->mult_mask;
@@ -262,7 +262,7 @@ unsigned long omap2_get_dpll_rate(struct clk_hw_omap *clk)
dpll_div = v & dd->div1_mask;
dpll_div >>= __ffs(dd->div1_mask);
- dpll_clk = (u64)clk_get_rate(dd->clk_ref) * dpll_mult;
+ dpll_clk = (u64)clk_hw_get_rate(dd->clk_ref) * dpll_mult;
do_div(dpll_clk, dpll_div + 1);
return dpll_clk;
@@ -301,7 +301,7 @@ long omap2_dpll_round_rate(struct clk_hw *hw, unsigned long target_rate,
dd = clk->dpll_data;
- ref_rate = clk_get_rate(dd->clk_ref);
+ ref_rate = clk_hw_get_rate(dd->clk_ref);
clk_name = clk_hw_get_name(hw);
pr_debug("clock: %s: starting DPLL round_rate, target rate %lu\n",
clk_name, target_rate);
diff --git a/drivers/clk/ti/clockdomain.c b/drivers/clk/ti/clockdomain.c
index b9bc3b8df659..6cf9dd189a92 100644
--- a/drivers/clk/ti/clockdomain.c
+++ b/drivers/clk/ti/clockdomain.c
@@ -109,7 +109,7 @@ static void __init of_ti_clockdomain_setup(struct device_node *node)
struct clk_hw *clk_hw;
const char *clkdm_name = node->name;
int i;
- int num_clks;
+ unsigned int num_clks;
num_clks = of_clk_get_parent_count(node);
diff --git a/drivers/clk/ti/composite.c b/drivers/clk/ti/composite.c
index dbef218fe5ec..1cf70f452e1e 100644
--- a/drivers/clk/ti/composite.c
+++ b/drivers/clk/ti/composite.c
@@ -28,8 +28,6 @@
#undef pr_fmt
#define pr_fmt(fmt) "%s: " fmt, __func__
-#define to_clk_divider(_hw) container_of(_hw, struct clk_divider, hw)
-
static unsigned long ti_composite_recalc_rate(struct clk_hw *hw,
unsigned long parent_rate)
{
@@ -236,14 +234,14 @@ cleanup:
static void __init of_ti_composite_clk_setup(struct device_node *node)
{
- int num_clks;
+ unsigned int num_clks;
int i;
struct clk_hw_omap_comp *cclk;
/* Number of component clocks to be put inside this clock */
num_clks = of_clk_get_parent_count(node);
- if (num_clks < 1) {
+ if (!num_clks) {
pr_err("composite clk %s must have component(s)\n", node->name);
return;
}
@@ -273,13 +271,13 @@ CLK_OF_DECLARE(ti_composite_clock, "ti,composite-clock",
int __init ti_clk_add_component(struct device_node *node, struct clk_hw *hw,
int type)
{
- int num_parents;
+ unsigned int num_parents;
const char **parent_names;
struct component_clk *clk;
num_parents = of_clk_get_parent_count(node);
- if (num_parents < 1) {
+ if (!num_parents) {
pr_err("component-clock %s must have parent(s)\n", node->name);
return -EINVAL;
}
diff --git a/drivers/clk/ti/divider.c b/drivers/clk/ti/divider.c
index df2558350fc1..b4e5de16e561 100644
--- a/drivers/clk/ti/divider.c
+++ b/drivers/clk/ti/divider.c
@@ -26,8 +26,6 @@
#undef pr_fmt
#define pr_fmt(fmt) "%s: " fmt, __func__
-#define to_clk_divider(_hw) container_of(_hw, struct clk_divider, hw)
-
#define div_mask(d) ((1 << ((d)->width)) - 1)
static unsigned int _get_table_maxdiv(const struct clk_div_table *table)
diff --git a/drivers/clk/ti/dpll.c b/drivers/clk/ti/dpll.c
index 5519b386edc0..3bc9959f71c3 100644
--- a/drivers/clk/ti/dpll.c
+++ b/drivers/clk/ti/dpll.c
@@ -147,11 +147,22 @@ static void __init _register_dpll(struct clk_hw *hw,
struct dpll_data *dd = clk_hw->dpll_data;
struct clk *clk;
- dd->clk_ref = of_clk_get(node, 0);
- dd->clk_bypass = of_clk_get(node, 1);
+ clk = of_clk_get(node, 0);
+ if (IS_ERR(clk)) {
+ pr_debug("clk-ref missing for %s, retry later\n",
+ node->name);
+ if (!ti_clk_retry_init(node, hw, _register_dpll))
+ return;
- if (IS_ERR(dd->clk_ref) || IS_ERR(dd->clk_bypass)) {
- pr_debug("clk-ref or clk-bypass missing for %s, retry later\n",
+ goto cleanup;
+ }
+
+ dd->clk_ref = __clk_get_hw(clk);
+
+ clk = of_clk_get(node, 1);
+
+ if (IS_ERR(clk)) {
+ pr_debug("clk-bypass missing for %s, retry later\n",
node->name);
if (!ti_clk_retry_init(node, hw, _register_dpll))
return;
@@ -159,6 +170,8 @@ static void __init _register_dpll(struct clk_hw *hw,
goto cleanup;
}
+ dd->clk_bypass = __clk_get_hw(clk);
+
/* register the clock */
clk = clk_register(NULL, &clk_hw->hw);
@@ -251,8 +264,8 @@ struct clk *ti_clk_register_dpll(struct ti_clk *setup)
dd->recal_en_bit = dpll->recal_en_bit;
dd->recal_st_bit = dpll->recal_st_bit;
- dd->clk_ref = clk_ref;
- dd->clk_bypass = clk_bypass;
+ dd->clk_ref = __clk_get_hw(clk_ref);
+ dd->clk_bypass = __clk_get_hw(clk_bypass);
if (dpll->flags & CLKF_CORE)
ops = &omap3_dpll_core_ck_ops;
@@ -361,7 +374,7 @@ static void __init of_ti_dpll_setup(struct device_node *node,
init->ops = ops;
init->num_parents = of_clk_get_parent_count(node);
- if (init->num_parents < 1) {
+ if (!init->num_parents) {
pr_err("%s must have parent(s)\n", node->name);
goto cleanup;
}
diff --git a/drivers/clk/ti/dpll3xxx.c b/drivers/clk/ti/dpll3xxx.c
index cc739291a3ce..88f2ce81ba55 100644
--- a/drivers/clk/ti/dpll3xxx.c
+++ b/drivers/clk/ti/dpll3xxx.c
@@ -98,7 +98,7 @@ static u16 _omap3_dpll_compute_freqsel(struct clk_hw_omap *clk, u8 n)
unsigned long fint;
u16 f = 0;
- fint = clk_get_rate(clk->dpll_data->clk_ref) / n;
+ fint = clk_hw_get_rate(clk->dpll_data->clk_ref) / n;
pr_debug("clock: fint is %lu\n", fint);
@@ -460,12 +460,11 @@ int omap3_noncore_dpll_enable(struct clk_hw *hw)
parent = clk_hw_get_parent(hw);
- if (clk_hw_get_rate(hw) ==
- clk_hw_get_rate(__clk_get_hw(dd->clk_bypass))) {
- WARN_ON(parent != __clk_get_hw(dd->clk_bypass));
+ if (clk_hw_get_rate(hw) == clk_hw_get_rate(dd->clk_bypass)) {
+ WARN_ON(parent != dd->clk_bypass);
r = _omap3_noncore_dpll_bypass(clk);
} else {
- WARN_ON(parent != __clk_get_hw(dd->clk_ref));
+ WARN_ON(parent != dd->clk_ref);
r = _omap3_noncore_dpll_lock(clk);
}
@@ -513,13 +512,13 @@ int omap3_noncore_dpll_determine_rate(struct clk_hw *hw,
if (!dd)
return -EINVAL;
- if (clk_get_rate(dd->clk_bypass) == req->rate &&
+ if (clk_hw_get_rate(dd->clk_bypass) == req->rate &&
(dd->modes & (1 << DPLL_LOW_POWER_BYPASS))) {
- req->best_parent_hw = __clk_get_hw(dd->clk_bypass);
+ req->best_parent_hw = dd->clk_bypass;
} else {
req->rate = omap2_dpll_round_rate(hw, req->rate,
&req->best_parent_rate);
- req->best_parent_hw = __clk_get_hw(dd->clk_ref);
+ req->best_parent_hw = dd->clk_ref;
}
req->best_parent_rate = req->rate;
@@ -577,7 +576,7 @@ int omap3_noncore_dpll_set_rate(struct clk_hw *hw, unsigned long rate,
if (!dd)
return -EINVAL;
- if (clk_hw_get_parent(hw) != __clk_get_hw(dd->clk_ref))
+ if (clk_hw_get_parent(hw) != dd->clk_ref)
return -EINVAL;
if (dd->last_rounded_rate == 0)
diff --git a/drivers/clk/ti/dpll44xx.c b/drivers/clk/ti/dpll44xx.c
index 660d7436ac24..82c05b55a7be 100644
--- a/drivers/clk/ti/dpll44xx.c
+++ b/drivers/clk/ti/dpll44xx.c
@@ -94,7 +94,7 @@ static void omap4_dpll_lpmode_recalc(struct dpll_data *dd)
{
long fint, fout;
- fint = clk_get_rate(dd->clk_ref) / (dd->last_rounded_n + 1);
+ fint = clk_hw_get_rate(dd->clk_ref) / (dd->last_rounded_n + 1);
fout = fint * dd->last_rounded_m;
if ((fint < OMAP4_DPLL_LP_FINT_MAX) && (fout < OMAP4_DPLL_LP_FOUT_MAX))
@@ -212,13 +212,13 @@ int omap4_dpll_regm4xen_determine_rate(struct clk_hw *hw,
if (!dd)
return -EINVAL;
- if (clk_get_rate(dd->clk_bypass) == req->rate &&
+ if (clk_hw_get_rate(dd->clk_bypass) == req->rate &&
(dd->modes & (1 << DPLL_LOW_POWER_BYPASS))) {
- req->best_parent_hw = __clk_get_hw(dd->clk_bypass);
+ req->best_parent_hw = dd->clk_bypass;
} else {
req->rate = omap4_dpll_regm4xen_round_rate(hw, req->rate,
&req->best_parent_rate);
- req->best_parent_hw = __clk_get_hw(dd->clk_ref);
+ req->best_parent_hw = dd->clk_ref;
}
req->best_parent_rate = req->rate;
diff --git a/drivers/clk/ti/gate.c b/drivers/clk/ti/gate.c
index 5429d3534363..bc05f276f32b 100644
--- a/drivers/clk/ti/gate.c
+++ b/drivers/clk/ti/gate.c
@@ -24,8 +24,6 @@
#include "clock.h"
-#define to_clk_divider(_hw) container_of(_hw, struct clk_divider, hw)
-
#undef pr_fmt
#define pr_fmt(fmt) "%s: " fmt, __func__
diff --git a/drivers/clk/ti/mux.c b/drivers/clk/ti/mux.c
index dab9ba88b9d6..44777ab6fdeb 100644
--- a/drivers/clk/ti/mux.c
+++ b/drivers/clk/ti/mux.c
@@ -26,8 +26,6 @@
#undef pr_fmt
#define pr_fmt(fmt) "%s: " fmt, __func__
-#define to_clk_mux(_hw) container_of(_hw, struct clk_mux, hw)
-
static u8 ti_clk_mux_get_parent(struct clk_hw *hw)
{
struct clk_mux *mux = to_clk_mux(hw);
@@ -180,7 +178,7 @@ static void of_mux_clk_setup(struct device_node *node)
{
struct clk *clk;
void __iomem *reg;
- int num_parents;
+ unsigned int num_parents;
const char **parent_names;
u8 clk_mux_flags = 0;
u32 mask = 0;
@@ -263,7 +261,7 @@ struct clk_hw *ti_clk_build_component_mux(struct ti_clk_mux *setup)
static void __init of_ti_composite_mux_clk_setup(struct device_node *node)
{
struct clk_mux *mux;
- int num_parents;
+ unsigned int num_parents;
u32 val;
mux = kzalloc(sizeof(*mux), GFP_KERNEL);
diff --git a/drivers/clk/ux500/abx500-clk.c b/drivers/clk/ux500/abx500-clk.c
index 222425d08ab6..a07c31e6f26d 100644
--- a/drivers/clk/ux500/abx500-clk.c
+++ b/drivers/clk/ux500/abx500-clk.c
@@ -40,8 +40,7 @@ static int ab8500_reg_clks(struct device *dev)
return ret;
/* ab8500_sysclk */
- clk = clk_reg_prcmu_gate("ab8500_sysclk", NULL, PRCMU_SYSCLK,
- CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("ab8500_sysclk", NULL, PRCMU_SYSCLK, 0);
clk_register_clkdev(clk, "sysclk", "ab8500-usb.0");
clk_register_clkdev(clk, "sysclk", "ab-iddet.0");
clk_register_clkdev(clk, "sysclk", "snd-soc-mop500.0");
@@ -68,7 +67,7 @@ static int ab8500_reg_clks(struct device *dev)
clk = clk_reg_sysctrl_gate_fixed_rate(dev, "ulpclk", NULL,
AB8500_SYSULPCLKCTRL1, AB8500_SYSULPCLKCTRL1_ULPCLKREQ,
AB8500_SYSULPCLKCTRL1_ULPCLKREQ,
- 38400000, 9000, CLK_IS_ROOT);
+ 38400000, 9000, 0);
clk_register_clkdev(clk, "ulpclk", "snd-soc-mop500.0");
/* ab8500_intclk */
diff --git a/drivers/clk/ux500/u8500_of_clk.c b/drivers/clk/ux500/u8500_of_clk.c
index 271c09644652..9a736d939806 100644
--- a/drivers/clk/ux500/u8500_of_clk.c
+++ b/drivers/clk/ux500/u8500_of_clk.c
@@ -91,21 +91,21 @@ void u8500_clk_init(void)
/* Clock sources */
clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
- CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ CLK_IGNORE_UNUSED);
prcmu_clk[PRCMU_PLLSOC0] = clk;
clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1,
- CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ CLK_IGNORE_UNUSED);
prcmu_clk[PRCMU_PLLSOC1] = clk;
clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR,
- CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ CLK_IGNORE_UNUSED);
prcmu_clk[PRCMU_PLLDDR] = clk;
/* FIXME: Add sys, ulp and int clocks here. */
rtc_clk = clk_register_fixed_rate(NULL, "rtc32k", "NULL",
- CLK_IS_ROOT|CLK_IGNORE_UNUSED,
+ CLK_IGNORE_UNUSED,
32768);
/* PRCMU clocks */
@@ -126,105 +126,101 @@ void u8500_clk_init(void)
clk = clk_reg_prcmu_gate("sgclk", sgaclk_parent,
PRCMU_SGACLK, 0);
else
- clk = clk_reg_prcmu_gate("sgclk", NULL,
- PRCMU_SGACLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("sgclk", NULL, PRCMU_SGACLK, 0);
prcmu_clk[PRCMU_SGACLK] = clk;
- clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, 0);
prcmu_clk[PRCMU_UARTCLK] = clk;
- clk = clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("msp02clk", NULL, PRCMU_MSP02CLK, 0);
prcmu_clk[PRCMU_MSP02CLK] = clk;
- clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, 0);
prcmu_clk[PRCMU_MSP1CLK] = clk;
- clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, 0);
prcmu_clk[PRCMU_I2CCLK] = clk;
- clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, 0);
prcmu_clk[PRCMU_SLIMCLK] = clk;
- clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, 0);
prcmu_clk[PRCMU_PER1CLK] = clk;
- clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, 0);
prcmu_clk[PRCMU_PER2CLK] = clk;
- clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, 0);
prcmu_clk[PRCMU_PER3CLK] = clk;
- clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, 0);
prcmu_clk[PRCMU_PER5CLK] = clk;
- clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, 0);
prcmu_clk[PRCMU_PER6CLK] = clk;
- clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, 0);
prcmu_clk[PRCMU_PER7CLK] = clk;
clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_LCDCLK] = clk;
- clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, 0);
prcmu_clk[PRCMU_BMLCLK] = clk;
clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_HSITXCLK] = clk;
clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_HSIRXCLK] = clk;
clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_HDMICLK] = clk;
- clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, 0);
prcmu_clk[PRCMU_APEATCLK] = clk;
clk = clk_reg_prcmu_scalable("apetraceclk", NULL, PRCMU_APETRACECLK, 0,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_APETRACECLK] = clk;
- clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, 0);
prcmu_clk[PRCMU_MCDECLK] = clk;
- clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK,
- CLK_IS_ROOT);
+ clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK, 0);
prcmu_clk[PRCMU_IPI2CCLK] = clk;
- clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK,
- CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK, 0);
prcmu_clk[PRCMU_DSIALTCLK] = clk;
- clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, 0);
prcmu_clk[PRCMU_DMACLK] = clk;
- clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, 0);
prcmu_clk[PRCMU_B2R2CLK] = clk;
clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_TVCLK] = clk;
- clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, 0);
prcmu_clk[PRCMU_SSPCLK] = clk;
- clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, 0);
prcmu_clk[PRCMU_RNGCLK] = clk;
- clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, 0);
prcmu_clk[PRCMU_UICCCLK] = clk;
- clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, 0);
prcmu_clk[PRCMU_TIMCLK] = clk;
clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL, PRCMU_SDMMCCLK,
- 100000000,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ 100000000, CLK_SET_RATE_GATE);
prcmu_clk[PRCMU_SDMMCCLK] = clk;
clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
@@ -252,7 +248,7 @@ void u8500_clk_init(void)
prcmu_clk[PRCMU_DSI2ESCCLK] = clk;
clk = clk_reg_prcmu_scalable_rate("armss", NULL,
- PRCMU_ARMSS, 0, CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ PRCMU_ARMSS, 0, CLK_IGNORE_UNUSED);
prcmu_clk[PRCMU_ARMSS] = clk;
twd_clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
diff --git a/drivers/clk/ux500/u8540_clk.c b/drivers/clk/ux500/u8540_clk.c
index d7bcb7a86615..86549e59fb42 100644
--- a/drivers/clk/ux500/u8540_clk.c
+++ b/drivers/clk/ux500/u8540_clk.c
@@ -56,28 +56,28 @@ void u8540_clk_init(void)
/* Clock sources. */
/* Fixed ClockGen */
clk = clk_reg_prcmu_gate("soc0_pll", NULL, PRCMU_PLLSOC0,
- CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ CLK_IGNORE_UNUSED);
clk_register_clkdev(clk, "soc0_pll", NULL);
clk = clk_reg_prcmu_gate("soc1_pll", NULL, PRCMU_PLLSOC1,
- CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ CLK_IGNORE_UNUSED);
clk_register_clkdev(clk, "soc1_pll", NULL);
clk = clk_reg_prcmu_gate("ddr_pll", NULL, PRCMU_PLLDDR,
- CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ CLK_IGNORE_UNUSED);
clk_register_clkdev(clk, "ddr_pll", NULL);
clk = clk_register_fixed_rate(NULL, "rtc32k", NULL,
- CLK_IS_ROOT|CLK_IGNORE_UNUSED,
+ CLK_IGNORE_UNUSED,
32768);
clk_register_clkdev(clk, "clk32k", NULL);
clk_register_clkdev(clk, "apb_pclk", "rtc-pl031");
clk = clk_register_fixed_rate(NULL, "ulp38m4", NULL,
- CLK_IS_ROOT|CLK_IGNORE_UNUSED,
+ CLK_IGNORE_UNUSED,
38400000);
- clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("uartclk", NULL, PRCMU_UARTCLK, 0);
clk_register_clkdev(clk, NULL, "UART");
/* msp02clk needs a abx500 clk as parent. Handle by abx500 clk driver */
@@ -85,120 +85,116 @@ void u8540_clk_init(void)
PRCMU_MSP02CLK, 0);
clk_register_clkdev(clk, NULL, "MSP02");
- clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("msp1clk", NULL, PRCMU_MSP1CLK, 0);
clk_register_clkdev(clk, NULL, "MSP1");
- clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("i2cclk", NULL, PRCMU_I2CCLK, 0);
clk_register_clkdev(clk, NULL, "I2C");
- clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("slimclk", NULL, PRCMU_SLIMCLK, 0);
clk_register_clkdev(clk, NULL, "slim");
- clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("per1clk", NULL, PRCMU_PER1CLK, 0);
clk_register_clkdev(clk, NULL, "PERIPH1");
- clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("per2clk", NULL, PRCMU_PER2CLK, 0);
clk_register_clkdev(clk, NULL, "PERIPH2");
- clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("per3clk", NULL, PRCMU_PER3CLK, 0);
clk_register_clkdev(clk, NULL, "PERIPH3");
- clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("per5clk", NULL, PRCMU_PER5CLK, 0);
clk_register_clkdev(clk, NULL, "PERIPH5");
- clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("per6clk", NULL, PRCMU_PER6CLK, 0);
clk_register_clkdev(clk, NULL, "PERIPH6");
- clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("per7clk", NULL, PRCMU_PER7CLK, 0);
clk_register_clkdev(clk, NULL, "PERIPH7");
clk = clk_reg_prcmu_scalable("lcdclk", NULL, PRCMU_LCDCLK, 0,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "lcd");
clk_register_clkdev(clk, "lcd", "mcde");
- clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK,
- CLK_IS_ROOT);
+ clk = clk_reg_prcmu_opp_gate("bmlclk", NULL, PRCMU_BMLCLK, 0);
clk_register_clkdev(clk, NULL, "bml");
clk = clk_reg_prcmu_scalable("hsitxclk", NULL, PRCMU_HSITXCLK, 0,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
clk = clk_reg_prcmu_scalable("hsirxclk", NULL, PRCMU_HSIRXCLK, 0,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
clk = clk_reg_prcmu_scalable("hdmiclk", NULL, PRCMU_HDMICLK, 0,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "hdmi");
clk_register_clkdev(clk, "hdmi", "mcde");
- clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("apeatclk", NULL, PRCMU_APEATCLK, 0);
clk_register_clkdev(clk, NULL, "apeat");
- clk = clk_reg_prcmu_gate("apetraceclk", NULL, PRCMU_APETRACECLK,
- CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("apetraceclk", NULL, PRCMU_APETRACECLK, 0);
clk_register_clkdev(clk, NULL, "apetrace");
- clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("mcdeclk", NULL, PRCMU_MCDECLK, 0);
clk_register_clkdev(clk, NULL, "mcde");
clk_register_clkdev(clk, "mcde", "mcde");
clk_register_clkdev(clk, NULL, "dsilink.0");
clk_register_clkdev(clk, NULL, "dsilink.1");
clk_register_clkdev(clk, NULL, "dsilink.2");
- clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK,
- CLK_IS_ROOT);
+ clk = clk_reg_prcmu_opp_gate("ipi2cclk", NULL, PRCMU_IPI2CCLK, 0);
clk_register_clkdev(clk, NULL, "ipi2");
- clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK,
- CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("dsialtclk", NULL, PRCMU_DSIALTCLK, 0);
clk_register_clkdev(clk, NULL, "dsialt");
- clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("dmaclk", NULL, PRCMU_DMACLK, 0);
clk_register_clkdev(clk, NULL, "dma40.0");
- clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("b2r2clk", NULL, PRCMU_B2R2CLK, 0);
clk_register_clkdev(clk, NULL, "b2r2");
clk_register_clkdev(clk, NULL, "b2r2_core");
clk_register_clkdev(clk, NULL, "U8500-B2R2.0");
clk_register_clkdev(clk, NULL, "b2r2_1_core");
clk = clk_reg_prcmu_scalable("tvclk", NULL, PRCMU_TVCLK, 0,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "tv");
clk_register_clkdev(clk, "tv", "mcde");
- clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("sspclk", NULL, PRCMU_SSPCLK, 0);
clk_register_clkdev(clk, NULL, "SSP");
- clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("rngclk", NULL, PRCMU_RNGCLK, 0);
clk_register_clkdev(clk, NULL, "rngclk");
- clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("uiccclk", NULL, PRCMU_UICCCLK, 0);
clk_register_clkdev(clk, NULL, "uicc");
- clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("timclk", NULL, PRCMU_TIMCLK, 0);
clk_register_clkdev(clk, NULL, "mtu0");
clk_register_clkdev(clk, NULL, "mtu1");
clk = clk_reg_prcmu_opp_volt_scalable("sdmmcclk", NULL,
PRCMU_SDMMCCLK, 100000000,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdmmc");
clk = clk_reg_prcmu_opp_volt_scalable("sdmmchclk", NULL,
PRCMU_SDMMCHCLK, 400000000,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
clk_register_clkdev(clk, NULL, "sdmmchclk");
- clk = clk_reg_prcmu_gate("hvaclk", NULL, PRCMU_HVACLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("hvaclk", NULL, PRCMU_HVACLK, 0);
clk_register_clkdev(clk, NULL, "hva");
- clk = clk_reg_prcmu_gate("g1clk", NULL, PRCMU_G1CLK, CLK_IS_ROOT);
+ clk = clk_reg_prcmu_gate("g1clk", NULL, PRCMU_G1CLK, 0);
clk_register_clkdev(clk, NULL, "g1");
clk = clk_reg_prcmu_scalable("spare1clk", NULL, PRCMU_SPARE1CLK, 0,
- CLK_IS_ROOT|CLK_SET_RATE_GATE);
+ CLK_SET_RATE_GATE);
clk_register_clkdev(clk, "dsilcd", "mcde");
clk = clk_reg_prcmu_scalable("dsi_pll", "hdmiclk",
@@ -244,7 +240,7 @@ void u8540_clk_init(void)
clk_register_clkdev(clk, "dsilp2", "mcde");
clk = clk_reg_prcmu_scalable_rate("armss", NULL,
- PRCMU_ARMSS, 0, CLK_IS_ROOT|CLK_IGNORE_UNUSED);
+ PRCMU_ARMSS, 0, CLK_IGNORE_UNUSED);
clk_register_clkdev(clk, "armss", NULL);
clk = clk_register_fixed_factor(NULL, "smp_twd", "armss",
diff --git a/drivers/clk/versatile/clk-icst.c b/drivers/clk/versatile/clk-icst.c
index 3bca438ecd19..5e9b65278e4c 100644
--- a/drivers/clk/versatile/clk-icst.c
+++ b/drivers/clk/versatile/clk-icst.c
@@ -170,7 +170,7 @@ static struct clk *icst_clk_setup(struct device *dev,
init.name = name;
init.ops = &icst_ops;
- init.flags = CLK_IS_ROOT;
+ init.flags = 0;
init.parent_names = (parent_name ? &parent_name : NULL);
init.num_parents = (parent_name ? 1 : 0);
icst->map = map;
diff --git a/drivers/clk/versatile/clk-impd1.c b/drivers/clk/versatile/clk-impd1.c
index 65c842a21c62..74c3216dbb00 100644
--- a/drivers/clk/versatile/clk-impd1.c
+++ b/drivers/clk/versatile/clk-impd1.c
@@ -98,8 +98,7 @@ void integrator_impd1_clk_init(void __iomem *base, unsigned int id)
/* Register the fixed rate PCLK */
imc->pclkname = kasprintf(GFP_KERNEL, "lm%x-pclk", id);
- pclk = clk_register_fixed_rate(NULL, imc->pclkname, NULL,
- CLK_IS_ROOT, 0);
+ pclk = clk_register_fixed_rate(NULL, imc->pclkname, NULL, 0, 0);
imc->pclk = pclk;
imc->vco1name = kasprintf(GFP_KERNEL, "lm%x-vco1", id);
diff --git a/drivers/clk/versatile/clk-realview.c b/drivers/clk/versatile/clk-realview.c
index bd4dd2463e23..c56efc70ac16 100644
--- a/drivers/clk/versatile/clk-realview.c
+++ b/drivers/clk/versatile/clk-realview.c
@@ -56,12 +56,11 @@ void __init realview_clk_init(void __iomem *sysbase, bool is_pb1176)
struct clk *clk;
/* APB clock dummy */
- clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, CLK_IS_ROOT, 0);
+ clk = clk_register_fixed_rate(NULL, "apb_pclk", NULL, 0, 0);
clk_register_clkdev(clk, "apb_pclk", NULL);
/* 24 MHz clock */
- clk = clk_register_fixed_rate(NULL, "clk24mhz", NULL, CLK_IS_ROOT,
- 24000000);
+ clk = clk_register_fixed_rate(NULL, "clk24mhz", NULL, 0, 24000000);
clk_register_clkdev(clk, NULL, "dev:uart0");
clk_register_clkdev(clk, NULL, "dev:uart1");
clk_register_clkdev(clk, NULL, "dev:uart2");
@@ -81,8 +80,7 @@ void __init realview_clk_init(void __iomem *sysbase, bool is_pb1176)
/* 1 MHz clock */
- clk = clk_register_fixed_rate(NULL, "clk1mhz", NULL, CLK_IS_ROOT,
- 1000000);
+ clk = clk_register_fixed_rate(NULL, "clk1mhz", NULL, 0, 1000000);
clk_register_clkdev(clk, NULL, "sp804");
/* ICST VCO clock */
diff --git a/drivers/clk/versatile/clk-sp810.c b/drivers/clk/versatile/clk-sp810.c
index e78755e0ef78..1fe1e8d970cf 100644
--- a/drivers/clk/versatile/clk-sp810.c
+++ b/drivers/clk/versatile/clk-sp810.c
@@ -92,6 +92,7 @@ static void __init clk_sp810_of_setup(struct device_node *node)
int num = ARRAY_SIZE(parent_names);
char name[12];
struct clk_init_data init;
+ static int instance;
int i;
bool deprecated;
@@ -117,7 +118,7 @@ static void __init clk_sp810_of_setup(struct device_node *node)
deprecated = !of_find_property(node, "assigned-clock-parents", NULL);
for (i = 0; i < ARRAY_SIZE(sp810->timerclken); i++) {
- snprintf(name, ARRAY_SIZE(name), "timerclken%d", i);
+ snprintf(name, sizeof(name), "sp810_%d_%d", instance, i);
sp810->timerclken[i].sp810 = sp810;
sp810->timerclken[i].channel = i;
@@ -138,5 +139,6 @@ static void __init clk_sp810_of_setup(struct device_node *node)
}
of_clk_add_provider(node, clk_sp810_timerclken_of_get, sp810);
+ instance++;
}
CLK_OF_DECLARE(sp810, "arm,sp810", clk_sp810_of_setup);
diff --git a/drivers/clk/versatile/clk-vexpress-osc.c b/drivers/clk/versatile/clk-vexpress-osc.c
index 89c0609e180b..7e5add7d7752 100644
--- a/drivers/clk/versatile/clk-vexpress-osc.c
+++ b/drivers/clk/versatile/clk-vexpress-osc.c
@@ -94,7 +94,7 @@ static int vexpress_osc_probe(struct platform_device *pdev)
init.name = dev_name(&pdev->dev);
init.ops = &vexpress_osc_ops;
- init.flags = CLK_IS_ROOT;
+ init.flags = 0;
init.num_parents = 0;
osc->hw.init = &init;
diff --git a/drivers/clk/x86/clk-lpt.c b/drivers/clk/x86/clk-lpt.c
index f827083defc4..6b40eb89ae19 100644
--- a/drivers/clk/x86/clk-lpt.c
+++ b/drivers/clk/x86/clk-lpt.c
@@ -10,8 +10,6 @@
* published by the Free Software Foundation.
*/
-#include <linux/clk.h>
-#include <linux/clkdev.h>
#include <linux/clk-provider.h>
#include <linux/err.h>
#include <linux/module.h>
@@ -30,7 +28,7 @@ static int lpt_clk_probe(struct platform_device *pdev)
/* LPSS free running clock */
drvdata->name = "lpss_clk";
clk = clk_register_fixed_rate(&pdev->dev, drvdata->name, NULL,
- CLK_IS_ROOT, 100000000);
+ 0, 100000000);
if (IS_ERR(clk))
return PTR_ERR(clk);
diff --git a/drivers/clk/zynq/clkc.c b/drivers/clk/zynq/clkc.c
index 38a65c3e62fc..88a2cab37f62 100644
--- a/drivers/clk/zynq/clkc.c
+++ b/drivers/clk/zynq/clkc.c
@@ -265,8 +265,7 @@ static void __init zynq_clk_setup(struct device_node *np)
pr_warn("ps_clk frequency not specified, using 33 MHz.\n");
tmp = 33333333;
}
- ps_clk = clk_register_fixed_rate(NULL, "ps_clk", NULL, CLK_IS_ROOT,
- tmp);
+ ps_clk = clk_register_fixed_rate(NULL, "ps_clk", NULL, 0, tmp);
/* PLLs */
clk = clk_register_zynq_pll("armpll_int", "ps_clk", SLCR_ARMPLL_CTRL,
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.