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-rw-r--r--drivers/clk/renesas/Kconfig34
-rw-r--r--drivers/clk/renesas/Makefile5
-rw-r--r--drivers/clk/renesas/clk-mstp.c4
-rw-r--r--drivers/clk/renesas/clk-rcar-gen2.c457
-rw-r--r--drivers/clk/renesas/r8a774b1-cpg-mssr.c327
-rw-r--r--drivers/clk/renesas/r8a7796-cpg-mssr.c24
-rw-r--r--drivers/clk/renesas/r8a77965-cpg-mssr.c2
-rw-r--r--drivers/clk/renesas/rcar-gen2-cpg.c25
-rw-r--r--drivers/clk/renesas/rcar-gen3-cpg.c64
-rw-r--r--drivers/clk/renesas/renesas-cpg-mssr.c14
-rw-r--r--drivers/clk/renesas/renesas-cpg-mssr.h1
11 files changed, 427 insertions, 530 deletions
diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig
index b879e3e3a6b4..4cd846bc98cc 100644
--- a/drivers/clk/renesas/Kconfig
+++ b/drivers/clk/renesas/Kconfig
@@ -12,6 +12,7 @@ config CLK_RENESAS
select CLK_R8A7745 if ARCH_R8A7745
select CLK_R8A77470 if ARCH_R8A77470
select CLK_R8A774A1 if ARCH_R8A774A1
+ select CLK_R8A774B1 if ARCH_R8A774B1
select CLK_R8A774C0 if ARCH_R8A774C0
select CLK_R8A7778 if ARCH_R8A7778
select CLK_R8A7779 if ARCH_R8A7779
@@ -20,7 +21,8 @@ config CLK_RENESAS
select CLK_R8A7792 if ARCH_R8A7792
select CLK_R8A7794 if ARCH_R8A7794
select CLK_R8A7795 if ARCH_R8A7795
- select CLK_R8A7796 if ARCH_R8A7796
+ select CLK_R8A77960 if ARCH_R8A77960 || ARCH_R8A7796
+ select CLK_R8A77961 if ARCH_R8A77961
select CLK_R8A77965 if ARCH_R8A77965
select CLK_R8A77970 if ARCH_R8A77970
select CLK_R8A77980 if ARCH_R8A77980
@@ -31,17 +33,6 @@ config CLK_RENESAS
if CLK_RENESAS
-config CLK_RENESAS_LEGACY
- bool "Legacy DT clock support"
- depends on CLK_R8A7790 || CLK_R8A7791 || CLK_R8A7792 || CLK_R8A7794
- help
- Enable backward compatibility with old device trees describing a
- hierarchical representation of the various CPG and MSTP clocks.
-
- Say Y if you want your kernel to work with old DTBs.
- It is safe to say N if you use the DTS that is supplied with the
- current kernel source tree.
-
# SoC
config CLK_EMEV2
bool "Emma Mobile EV2 clock support" if COMPILE_TEST
@@ -80,6 +71,10 @@ config CLK_R8A774A1
bool "RZ/G2M clock support" if COMPILE_TEST
select CLK_RCAR_GEN3_CPG
+config CLK_R8A774B1
+ bool "RZ/G2N clock support" if COMPILE_TEST
+ select CLK_RCAR_GEN3_CPG
+
config CLK_R8A774C0
bool "RZ/G2E clock support" if COMPILE_TEST
select CLK_RCAR_GEN3_CPG
@@ -94,24 +89,20 @@ config CLK_R8A7779
config CLK_R8A7790
bool "R-Car H2 clock support" if COMPILE_TEST
- select CLK_RCAR_GEN2 if CLK_RENESAS_LEGACY
select CLK_RCAR_GEN2_CPG
select CLK_RENESAS_DIV6
config CLK_R8A7791
bool "R-Car M2-W/N clock support" if COMPILE_TEST
- select CLK_RCAR_GEN2 if CLK_RENESAS_LEGACY
select CLK_RCAR_GEN2_CPG
select CLK_RENESAS_DIV6
config CLK_R8A7792
bool "R-Car V2H clock support" if COMPILE_TEST
- select CLK_RCAR_GEN2 if CLK_RENESAS_LEGACY
select CLK_RCAR_GEN2_CPG
config CLK_R8A7794
bool "R-Car E2 clock support" if COMPILE_TEST
- select CLK_RCAR_GEN2 if CLK_RENESAS_LEGACY
select CLK_RCAR_GEN2_CPG
select CLK_RENESAS_DIV6
@@ -119,10 +110,14 @@ config CLK_R8A7795
bool "R-Car H3 clock support" if COMPILE_TEST
select CLK_RCAR_GEN3_CPG
-config CLK_R8A7796
+config CLK_R8A77960
bool "R-Car M3-W clock support" if COMPILE_TEST
select CLK_RCAR_GEN3_CPG
+config CLK_R8A77961
+ bool "R-Car M3-W+ clock support" if COMPILE_TEST
+ select CLK_RCAR_GEN3_CPG
+
config CLK_R8A77965
bool "R-Car M3-N clock support" if COMPILE_TEST
select CLK_RCAR_GEN3_CPG
@@ -155,11 +150,6 @@ config CLK_SH73A0
# Family
-config CLK_RCAR_GEN2
- bool "R-Car Gen2 legacy clock support" if COMPILE_TEST
- select CLK_RENESAS_CPG_MSTP
- select CLK_RENESAS_DIV6
-
config CLK_RCAR_GEN2_CPG
bool "R-Car Gen2 CPG clock support" if COMPILE_TEST
select CLK_RENESAS_CPG_MSSR
diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile
index c793e3cc9452..4a722bc5aac7 100644
--- a/drivers/clk/renesas/Makefile
+++ b/drivers/clk/renesas/Makefile
@@ -9,6 +9,7 @@ obj-$(CONFIG_CLK_R8A7743) += r8a7743-cpg-mssr.o
obj-$(CONFIG_CLK_R8A7745) += r8a7745-cpg-mssr.o
obj-$(CONFIG_CLK_R8A77470) += r8a77470-cpg-mssr.o
obj-$(CONFIG_CLK_R8A774A1) += r8a774a1-cpg-mssr.o
+obj-$(CONFIG_CLK_R8A774B1) += r8a774b1-cpg-mssr.o
obj-$(CONFIG_CLK_R8A774C0) += r8a774c0-cpg-mssr.o
obj-$(CONFIG_CLK_R8A7778) += clk-r8a7778.o
obj-$(CONFIG_CLK_R8A7779) += clk-r8a7779.o
@@ -17,7 +18,8 @@ obj-$(CONFIG_CLK_R8A7791) += r8a7791-cpg-mssr.o
obj-$(CONFIG_CLK_R8A7792) += r8a7792-cpg-mssr.o
obj-$(CONFIG_CLK_R8A7794) += r8a7794-cpg-mssr.o
obj-$(CONFIG_CLK_R8A7795) += r8a7795-cpg-mssr.o
-obj-$(CONFIG_CLK_R8A7796) += r8a7796-cpg-mssr.o
+obj-$(CONFIG_CLK_R8A77960) += r8a7796-cpg-mssr.o
+obj-$(CONFIG_CLK_R8A77961) += r8a7796-cpg-mssr.o
obj-$(CONFIG_CLK_R8A77965) += r8a77965-cpg-mssr.o
obj-$(CONFIG_CLK_R8A77970) += r8a77970-cpg-mssr.o
obj-$(CONFIG_CLK_R8A77980) += r8a77980-cpg-mssr.o
@@ -27,7 +29,6 @@ obj-$(CONFIG_CLK_R9A06G032) += r9a06g032-clocks.o
obj-$(CONFIG_CLK_SH73A0) += clk-sh73a0.o
# Family
-obj-$(CONFIG_CLK_RCAR_GEN2) += clk-rcar-gen2.o
obj-$(CONFIG_CLK_RCAR_GEN2_CPG) += rcar-gen2-cpg.o
obj-$(CONFIG_CLK_RCAR_GEN3_CPG) += rcar-gen3-cpg.o
obj-$(CONFIG_CLK_RCAR_USB2_CLOCK_SEL) += rcar-usb2-clock-sel.o
diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c
index e326e6dc09fc..003e9ce45757 100644
--- a/drivers/clk/renesas/clk-mstp.c
+++ b/drivers/clk/renesas/clk-mstp.c
@@ -189,10 +189,8 @@ static void __init cpg_mstp_clocks_init(struct device_node *np)
unsigned int i;
group = kzalloc(struct_size(group, clks, MSTP_MAX_CLOCKS), GFP_KERNEL);
- if (group == NULL) {
- kfree(group);
+ if (!group)
return;
- }
clks = group->clks;
spin_lock_init(&group->lock);
diff --git a/drivers/clk/renesas/clk-rcar-gen2.c b/drivers/clk/renesas/clk-rcar-gen2.c
deleted file mode 100644
index da9fe3f032eb..000000000000
--- a/drivers/clk/renesas/clk-rcar-gen2.c
+++ /dev/null
@@ -1,457 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * rcar_gen2 Core CPG Clocks
- *
- * Copyright (C) 2013 Ideas On Board SPRL
- *
- * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
- */
-
-#include <linux/clk-provider.h>
-#include <linux/clk/renesas.h>
-#include <linux/init.h>
-#include <linux/io.h>
-#include <linux/kernel.h>
-#include <linux/math64.h>
-#include <linux/of.h>
-#include <linux/of_address.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/soc/renesas/rcar-rst.h>
-
-struct rcar_gen2_cpg {
- struct clk_onecell_data data;
- spinlock_t lock;
- void __iomem *reg;
-};
-
-#define CPG_FRQCRB 0x00000004
-#define CPG_FRQCRB_KICK BIT(31)
-#define CPG_SDCKCR 0x00000074
-#define CPG_PLL0CR 0x000000d8
-#define CPG_FRQCRC 0x000000e0
-#define CPG_FRQCRC_ZFC_MASK (0x1f << 8)
-#define CPG_FRQCRC_ZFC_SHIFT 8
-#define CPG_ADSPCKCR 0x0000025c
-#define CPG_RCANCKCR 0x00000270
-
-/* -----------------------------------------------------------------------------
- * Z Clock
- *
- * Traits of this clock:
- * prepare - clk_prepare only ensures that parents are prepared
- * enable - clk_enable only ensures that parents are enabled
- * rate - rate is adjustable. clk->rate = parent->rate * mult / 32
- * parent - fixed parent. No clk_set_parent support
- */
-
-struct cpg_z_clk {
- struct clk_hw hw;
- void __iomem *reg;
- void __iomem *kick_reg;
-};
-
-#define to_z_clk(_hw) container_of(_hw, struct cpg_z_clk, hw)
-
-static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw,
- unsigned long parent_rate)
-{
- struct cpg_z_clk *zclk = to_z_clk(hw);
- unsigned int mult;
- unsigned int val;
-
- val = (readl(zclk->reg) & CPG_FRQCRC_ZFC_MASK) >> CPG_FRQCRC_ZFC_SHIFT;
- mult = 32 - val;
-
- return div_u64((u64)parent_rate * mult, 32);
-}
-
-static long cpg_z_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
-{
- unsigned long prate = *parent_rate;
- unsigned int mult;
-
- if (!prate)
- prate = 1;
-
- mult = div_u64((u64)rate * 32, prate);
- mult = clamp(mult, 1U, 32U);
-
- return *parent_rate / 32 * mult;
-}
-
-static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_rate)
-{
- struct cpg_z_clk *zclk = to_z_clk(hw);
- unsigned int mult;
- u32 val, kick;
- unsigned int i;
-
- mult = div_u64((u64)rate * 32, parent_rate);
- mult = clamp(mult, 1U, 32U);
-
- if (readl(zclk->kick_reg) & CPG_FRQCRB_KICK)
- return -EBUSY;
-
- val = readl(zclk->reg);
- val &= ~CPG_FRQCRC_ZFC_MASK;
- val |= (32 - mult) << CPG_FRQCRC_ZFC_SHIFT;
- writel(val, zclk->reg);
-
- /*
- * Set KICK bit in FRQCRB to update hardware setting and wait for
- * clock change completion.
- */
- kick = readl(zclk->kick_reg);
- kick |= CPG_FRQCRB_KICK;
- writel(kick, zclk->kick_reg);
-
- /*
- * Note: There is no HW information about the worst case latency.
- *
- * Using experimental measurements, it seems that no more than
- * ~10 iterations are needed, independently of the CPU rate.
- * Since this value might be dependent on external xtal rate, pll1
- * rate or even the other emulation clocks rate, use 1000 as a
- * "super" safe value.
- */
- for (i = 1000; i; i--) {
- if (!(readl(zclk->kick_reg) & CPG_FRQCRB_KICK))
- return 0;
-
- cpu_relax();
- }
-
- return -ETIMEDOUT;
-}
-
-static const struct clk_ops cpg_z_clk_ops = {
- .recalc_rate = cpg_z_clk_recalc_rate,
- .round_rate = cpg_z_clk_round_rate,
- .set_rate = cpg_z_clk_set_rate,
-};
-
-static struct clk * __init cpg_z_clk_register(struct rcar_gen2_cpg *cpg)
-{
- static const char *parent_name = "pll0";
- struct clk_init_data init;
- struct cpg_z_clk *zclk;
- struct clk *clk;
-
- zclk = kzalloc(sizeof(*zclk), GFP_KERNEL);
- if (!zclk)
- return ERR_PTR(-ENOMEM);
-
- init.name = "z";
- init.ops = &cpg_z_clk_ops;
- init.flags = 0;
- init.parent_names = &parent_name;
- init.num_parents = 1;
-
- zclk->reg = cpg->reg + CPG_FRQCRC;
- zclk->kick_reg = cpg->reg + CPG_FRQCRB;
- zclk->hw.init = &init;
-
- clk = clk_register(NULL, &zclk->hw);
- if (IS_ERR(clk))
- kfree(zclk);
-
- return clk;
-}
-
-static struct clk * __init cpg_rcan_clk_register(struct rcar_gen2_cpg *cpg,
- struct device_node *np)
-{
- const char *parent_name = of_clk_get_parent_name(np, 1);
- struct clk_fixed_factor *fixed;
- struct clk_gate *gate;
- struct clk *clk;
-
- fixed = kzalloc(sizeof(*fixed), GFP_KERNEL);
- if (!fixed)
- return ERR_PTR(-ENOMEM);
-
- fixed->mult = 1;
- fixed->div = 6;
-
- gate = kzalloc(sizeof(*gate), GFP_KERNEL);
- if (!gate) {
- kfree(fixed);
- return ERR_PTR(-ENOMEM);
- }
-
- gate->reg = cpg->reg + CPG_RCANCKCR;
- gate->bit_idx = 8;
- gate->flags = CLK_GATE_SET_TO_DISABLE;
- gate->lock = &cpg->lock;
-
- clk = clk_register_composite(NULL, "rcan", &parent_name, 1, NULL, NULL,
- &fixed->hw, &clk_fixed_factor_ops,
- &gate->hw, &clk_gate_ops, 0);
- if (IS_ERR(clk)) {
- kfree(gate);
- kfree(fixed);
- }
-
- return clk;
-}
-
-/* ADSP divisors */
-static const struct clk_div_table cpg_adsp_div_table[] = {
- { 1, 3 }, { 2, 4 }, { 3, 6 }, { 4, 8 },
- { 5, 12 }, { 6, 16 }, { 7, 18 }, { 8, 24 },
- { 10, 36 }, { 11, 48 }, { 0, 0 },
-};
-
-static struct clk * __init cpg_adsp_clk_register(struct rcar_gen2_cpg *cpg)
-{
- const char *parent_name = "pll1";
- struct clk_divider *div;
- struct clk_gate *gate;
- struct clk *clk;
-
- div = kzalloc(sizeof(*div), GFP_KERNEL);
- if (!div)
- return ERR_PTR(-ENOMEM);
-
- div->reg = cpg->reg + CPG_ADSPCKCR;
- div->width = 4;
- div->table = cpg_adsp_div_table;
- div->lock = &cpg->lock;
-
- gate = kzalloc(sizeof(*gate), GFP_KERNEL);
- if (!gate) {
- kfree(div);
- return ERR_PTR(-ENOMEM);
- }
-
- gate->reg = cpg->reg + CPG_ADSPCKCR;
- gate->bit_idx = 8;
- gate->flags = CLK_GATE_SET_TO_DISABLE;
- gate->lock = &cpg->lock;
-
- clk = clk_register_composite(NULL, "adsp", &parent_name, 1, NULL, NULL,
- &div->hw, &clk_divider_ops,
- &gate->hw, &clk_gate_ops, 0);
- if (IS_ERR(clk)) {
- kfree(gate);
- kfree(div);
- }
-
- return clk;
-}
-
-/* -----------------------------------------------------------------------------
- * CPG Clock Data
- */
-
-/*
- * MD EXTAL PLL0 PLL1 PLL3
- * 14 13 19 (MHz) *1 *1
- *---------------------------------------------------
- * 0 0 0 15 x 1 x172/2 x208/2 x106
- * 0 0 1 15 x 1 x172/2 x208/2 x88
- * 0 1 0 20 x 1 x130/2 x156/2 x80
- * 0 1 1 20 x 1 x130/2 x156/2 x66
- * 1 0 0 26 / 2 x200/2 x240/2 x122
- * 1 0 1 26 / 2 x200/2 x240/2 x102
- * 1 1 0 30 / 2 x172/2 x208/2 x106
- * 1 1 1 30 / 2 x172/2 x208/2 x88
- *
- * *1 : Table 7.6 indicates VCO output (PLLx = VCO/2)
- */
-#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 12) | \
- (((md) & BIT(13)) >> 12) | \
- (((md) & BIT(19)) >> 19))
-struct cpg_pll_config {
- unsigned int extal_div;
- unsigned int pll1_mult;
- unsigned int pll3_mult;
- unsigned int pll0_mult; /* For R-Car V2H and E2 only */
-};
-
-static const struct cpg_pll_config cpg_pll_configs[8] __initconst = {
- { 1, 208, 106, 200 }, { 1, 208, 88, 200 },
- { 1, 156, 80, 150 }, { 1, 156, 66, 150 },
- { 2, 240, 122, 230 }, { 2, 240, 102, 230 },
- { 2, 208, 106, 200 }, { 2, 208, 88, 200 },
-};
-
-/* SDHI divisors */
-static const struct clk_div_table cpg_sdh_div_table[] = {
- { 0, 2 }, { 1, 3 }, { 2, 4 }, { 3, 6 },
- { 4, 8 }, { 5, 12 }, { 6, 16 }, { 7, 18 },
- { 8, 24 }, { 10, 36 }, { 11, 48 }, { 0, 0 },
-};
-
-static const struct clk_div_table cpg_sd01_div_table[] = {
- { 4, 8 },
- { 5, 12 }, { 6, 16 }, { 7, 18 }, { 8, 24 },
- { 10, 36 }, { 11, 48 }, { 12, 10 }, { 0, 0 },
-};
-
-/* -----------------------------------------------------------------------------
- * Initialization
- */
-
-static u32 cpg_mode __initdata;
-
-static const char * const pll0_mult_match[] = {
- "renesas,r8a7792-cpg-clocks",
- "renesas,r8a7794-cpg-clocks",
- NULL
-};
-
-static struct clk * __init
-rcar_gen2_cpg_register_clock(struct device_node *np, struct rcar_gen2_cpg *cpg,
- const struct cpg_pll_config *config,
- const char *name)
-{
- const struct clk_div_table *table = NULL;
- const char *parent_name;
- unsigned int shift;
- unsigned int mult = 1;
- unsigned int div = 1;
-
- if (!strcmp(name, "main")) {
- parent_name = of_clk_get_parent_name(np, 0);
- div = config->extal_div;
- } else if (!strcmp(name, "pll0")) {
- /* PLL0 is a configurable multiplier clock. Register it as a
- * fixed factor clock for now as there's no generic multiplier
- * clock implementation and we currently have no need to change
- * the multiplier value.
- */
- if (of_device_compatible_match(np, pll0_mult_match)) {
- /* R-Car V2H and E2 do not have PLL0CR */
- mult = config->pll0_mult;
- div = 3;
- } else {
- u32 value = readl(cpg->reg + CPG_PLL0CR);
- mult = ((value >> 24) & ((1 << 7) - 1)) + 1;
- }
- parent_name = "main";
- } else if (!strcmp(name, "pll1")) {
- parent_name = "main";
- mult = config->pll1_mult / 2;
- } else if (!strcmp(name, "pll3")) {
- parent_name = "main";
- mult = config->pll3_mult;
- } else if (!strcmp(name, "lb")) {
- parent_name = "pll1";
- div = cpg_mode & BIT(18) ? 36 : 24;
- } else if (!strcmp(name, "qspi")) {
- parent_name = "pll1_div2";
- div = (cpg_mode & (BIT(3) | BIT(2) | BIT(1))) == BIT(2)
- ? 8 : 10;
- } else if (!strcmp(name, "sdh")) {
- parent_name = "pll1";
- table = cpg_sdh_div_table;
- shift = 8;
- } else if (!strcmp(name, "sd0")) {
- parent_name = "pll1";
- table = cpg_sd01_div_table;
- shift = 4;
- } else if (!strcmp(name, "sd1")) {
- parent_name = "pll1";
- table = cpg_sd01_div_table;
- shift = 0;
- } else if (!strcmp(name, "z")) {
- return cpg_z_clk_register(cpg);
- } else if (!strcmp(name, "rcan")) {
- return cpg_rcan_clk_register(cpg, np);
- } else if (!strcmp(name, "adsp")) {
- return cpg_adsp_clk_register(cpg);
- } else {
- return ERR_PTR(-EINVAL);
- }
-
- if (!table)
- return clk_register_fixed_factor(NULL, name, parent_name, 0,
- mult, div);
- else
- return clk_register_divider_table(NULL, name, parent_name, 0,
- cpg->reg + CPG_SDCKCR, shift,
- 4, 0, table, &cpg->lock);
-}
-
-/*
- * Reset register definitions.
- */
-#define MODEMR 0xe6160060
-
-static u32 __init rcar_gen2_read_mode_pins(void)
-{
- void __iomem *modemr = ioremap_nocache(MODEMR, 4);
- u32 mode;
-
- BUG_ON(!modemr);
- mode = ioread32(modemr);
- iounmap(modemr);
-
- return mode;
-}
-
-static void __init rcar_gen2_cpg_clocks_init(struct device_node *np)
-{
- const struct cpg_pll_config *config;
- struct rcar_gen2_cpg *cpg;
- struct clk **clks;
- unsigned int i;
- int num_clks;
-
- if (rcar_rst_read_mode_pins(&cpg_mode)) {
- /* Backward-compatibility with old DT */
- pr_warn("%pOF: failed to obtain mode pins from RST\n", np);
- cpg_mode = rcar_gen2_read_mode_pins();
- }
-
- num_clks = of_property_count_strings(np, "clock-output-names");
- if (num_clks < 0) {
- pr_err("%s: failed to count clocks\n", __func__);
- return;
- }
-
- cpg = kzalloc(sizeof(*cpg), GFP_KERNEL);
- clks = kcalloc(num_clks, sizeof(*clks), GFP_KERNEL);
- if (cpg == NULL || clks == NULL) {
- /* We're leaking memory on purpose, there's no point in cleaning
- * up as the system won't boot anyway.
- */
- return;
- }
-
- spin_lock_init(&cpg->lock);
-
- cpg->data.clks = clks;
- cpg->data.clk_num = num_clks;
-
- cpg->reg = of_iomap(np, 0);
- if (WARN_ON(cpg->reg == NULL))
- return;
-
- config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
-
- for (i = 0; i < num_clks; ++i) {
- const char *name;
- struct clk *clk;
-
- of_property_read_string_index(np, "clock-output-names", i,
- &name);
-
- clk = rcar_gen2_cpg_register_clock(np, cpg, config, name);
- if (IS_ERR(clk))
- pr_err("%s: failed to register %pOFn %s clock (%ld)\n",
- __func__, np, name, PTR_ERR(clk));
- else
- cpg->data.clks[i] = clk;
- }
-
- of_clk_add_provider(np, of_clk_src_onecell_get, &cpg->data);
-
- cpg_mstp_add_clk_domain(np);
-}
-CLK_OF_DECLARE(rcar_gen2_cpg_clks, "renesas,rcar-gen2-cpg-clocks",
- rcar_gen2_cpg_clocks_init);
diff --git a/drivers/clk/renesas/r8a774b1-cpg-mssr.c b/drivers/clk/renesas/r8a774b1-cpg-mssr.c
new file mode 100644
index 000000000000..c9af70917312
--- /dev/null
+++ b/drivers/clk/renesas/r8a774b1-cpg-mssr.c
@@ -0,0 +1,327 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * r8a774b1 Clock Pulse Generator / Module Standby and Software Reset
+ *
+ * Copyright (C) 2019 Renesas Electronics Corp.
+ *
+ * Based on r8a7796-cpg-mssr.c
+ *
+ * Copyright (C) 2016 Glider bvba
+ */
+
+#include <linux/device.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/soc/renesas/rcar-rst.h>
+
+#include <dt-bindings/clock/r8a774b1-cpg-mssr.h>
+
+#include "renesas-cpg-mssr.h"
+#include "rcar-gen3-cpg.h"
+
+enum clk_ids {
+ /* Core Clock Outputs exported to DT */
+ LAST_DT_CORE_CLK = R8A774B1_CLK_CANFD,
+
+ /* External Input Clocks */
+ CLK_EXTAL,
+ CLK_EXTALR,
+
+ /* Internal Core Clocks */
+ CLK_MAIN,
+ CLK_PLL0,
+ CLK_PLL1,
+ CLK_PLL3,
+ CLK_PLL4,
+ CLK_PLL1_DIV2,
+ CLK_PLL1_DIV4,
+ CLK_S0,
+ CLK_S1,
+ CLK_S2,
+ CLK_S3,
+ CLK_SDSRC,
+ CLK_RINT,
+
+ /* Module Clocks */
+ MOD_CLK_BASE
+};
+
+static const struct cpg_core_clk r8a774b1_core_clks[] __initconst = {
+ /* External Clock Inputs */
+ DEF_INPUT("extal", CLK_EXTAL),
+ DEF_INPUT("extalr", CLK_EXTALR),
+
+ /* Internal Core Clocks */
+ DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL),
+ DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN),
+ DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN),
+ DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN),
+ DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN),
+
+ DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1),
+ DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1),
+ DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1),
+ DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1),
+ DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1),
+ DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1),
+ DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1),
+
+ DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32),
+
+ /* Core Clock Outputs */
+ DEF_GEN3_Z("z", R8A774B1_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0, 2, 8),
+ DEF_FIXED("ztr", R8A774B1_CLK_ZTR, CLK_PLL1_DIV2, 6, 1),
+ DEF_FIXED("ztrd2", R8A774B1_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1),
+ DEF_FIXED("zt", R8A774B1_CLK_ZT, CLK_PLL1_DIV2, 4, 1),
+ DEF_FIXED("zx", R8A774B1_CLK_ZX, CLK_PLL1_DIV2, 2, 1),
+ DEF_FIXED("s0d1", R8A774B1_CLK_S0D1, CLK_S0, 1, 1),
+ DEF_FIXED("s0d2", R8A774B1_CLK_S0D2, CLK_S0, 2, 1),
+ DEF_FIXED("s0d3", R8A774B1_CLK_S0D3, CLK_S0, 3, 1),
+ DEF_FIXED("s0d4", R8A774B1_CLK_S0D4, CLK_S0, 4, 1),
+ DEF_FIXED("s0d6", R8A774B1_CLK_S0D6, CLK_S0, 6, 1),
+ DEF_FIXED("s0d8", R8A774B1_CLK_S0D8, CLK_S0, 8, 1),
+ DEF_FIXED("s0d12", R8A774B1_CLK_S0D12, CLK_S0, 12, 1),
+ DEF_FIXED("s1d2", R8A774B1_CLK_S1D2, CLK_S1, 2, 1),
+ DEF_FIXED("s1d4", R8A774B1_CLK_S1D4, CLK_S1, 4, 1),
+ DEF_FIXED("s2d1", R8A774B1_CLK_S2D1, CLK_S2, 1, 1),
+ DEF_FIXED("s2d2", R8A774B1_CLK_S2D2, CLK_S2, 2, 1),
+ DEF_FIXED("s2d4", R8A774B1_CLK_S2D4, CLK_S2, 4, 1),
+ DEF_FIXED("s3d1", R8A774B1_CLK_S3D1, CLK_S3, 1, 1),
+ DEF_FIXED("s3d2", R8A774B1_CLK_S3D2, CLK_S3, 2, 1),
+ DEF_FIXED("s3d4", R8A774B1_CLK_S3D4, CLK_S3, 4, 1),
+
+ DEF_GEN3_SD("sd0", R8A774B1_CLK_SD0, CLK_SDSRC, 0x074),
+ DEF_GEN3_SD("sd1", R8A774B1_CLK_SD1, CLK_SDSRC, 0x078),
+ DEF_GEN3_SD("sd2", R8A774B1_CLK_SD2, CLK_SDSRC, 0x268),
+ DEF_GEN3_SD("sd3", R8A774B1_CLK_SD3, CLK_SDSRC, 0x26c),
+
+ DEF_FIXED("cl", R8A774B1_CLK_CL, CLK_PLL1_DIV2, 48, 1),
+ DEF_FIXED("cp", R8A774B1_CLK_CP, CLK_EXTAL, 2, 1),
+ DEF_FIXED("cpex", R8A774B1_CLK_CPEX, CLK_EXTAL, 2, 1),
+
+ DEF_DIV6P1("canfd", R8A774B1_CLK_CANFD, CLK_PLL1_DIV4, 0x244),
+ DEF_DIV6P1("csi0", R8A774B1_CLK_CSI0, CLK_PLL1_DIV4, 0x00c),
+ DEF_DIV6P1("mso", R8A774B1_CLK_MSO, CLK_PLL1_DIV4, 0x014),
+ DEF_DIV6P1("hdmi", R8A774B1_CLK_HDMI, CLK_PLL1_DIV4, 0x250),
+
+ DEF_GEN3_OSC("osc", R8A774B1_CLK_OSC, CLK_EXTAL, 8),
+
+ DEF_BASE("r", R8A774B1_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT),
+};
+
+static const struct mssr_mod_clk r8a774b1_mod_clks[] __initconst = {
+ DEF_MOD("tmu4", 121, R8A774B1_CLK_S0D6),
+ DEF_MOD("tmu3", 122, R8A774B1_CLK_S3D2),
+ DEF_MOD("tmu2", 123, R8A774B1_CLK_S3D2),
+ DEF_MOD("tmu1", 124, R8A774B1_CLK_S3D2),
+ DEF_MOD("tmu0", 125, R8A774B1_CLK_CP),
+ DEF_MOD("fdp1-0", 119, R8A774B1_CLK_S0D1),
+ DEF_MOD("scif5", 202, R8A774B1_CLK_S3D4),
+ DEF_MOD("scif4", 203, R8A774B1_CLK_S3D4),
+ DEF_MOD("scif3", 204, R8A774B1_CLK_S3D4),
+ DEF_MOD("scif1", 206, R8A774B1_CLK_S3D4),
+ DEF_MOD("scif0", 207, R8A774B1_CLK_S3D4),
+ DEF_MOD("msiof3", 208, R8A774B1_CLK_MSO),
+ DEF_MOD("msiof2", 209, R8A774B1_CLK_MSO),
+ DEF_MOD("msiof1", 210, R8A774B1_CLK_MSO),
+ DEF_MOD("msiof0", 211, R8A774B1_CLK_MSO),
+ DEF_MOD("sys-dmac2", 217, R8A774B1_CLK_S3D1),
+ DEF_MOD("sys-dmac1", 218, R8A774B1_CLK_S3D1),
+ DEF_MOD("sys-dmac0", 219, R8A774B1_CLK_S0D3),
+ DEF_MOD("cmt3", 300, R8A774B1_CLK_R),
+ DEF_MOD("cmt2", 301, R8A774B1_CLK_R),
+ DEF_MOD("cmt1", 302, R8A774B1_CLK_R),
+ DEF_MOD("cmt0", 303, R8A774B1_CLK_R),
+ DEF_MOD("tpu0", 304, R8A774B1_CLK_S3D4),
+ DEF_MOD("scif2", 310, R8A774B1_CLK_S3D4),
+ DEF_MOD("sdif3", 311, R8A774B1_CLK_SD3),
+ DEF_MOD("sdif2", 312, R8A774B1_CLK_SD2),
+ DEF_MOD("sdif1", 313, R8A774B1_CLK_SD1),
+ DEF_MOD("sdif0", 314, R8A774B1_CLK_SD0),
+ DEF_MOD("pcie1", 318, R8A774B1_CLK_S3D1),
+ DEF_MOD("pcie0", 319, R8A774B1_CLK_S3D1),
+ DEF_MOD("usb3-if0", 328, R8A774B1_CLK_S3D1),
+ DEF_MOD("usb-dmac0", 330, R8A774B1_CLK_S3D1),
+ DEF_MOD("usb-dmac1", 331, R8A774B1_CLK_S3D1),
+ DEF_MOD("rwdt", 402, R8A774B1_CLK_R),
+ DEF_MOD("intc-ex", 407, R8A774B1_CLK_CP),
+ DEF_MOD("intc-ap", 408, R8A774B1_CLK_S0D3),
+ DEF_MOD("audmac1", 501, R8A774B1_CLK_S1D2),
+ DEF_MOD("audmac0", 502, R8A774B1_CLK_S1D2),
+ DEF_MOD("hscif4", 516, R8A774B1_CLK_S3D1),
+ DEF_MOD("hscif3", 517, R8A774B1_CLK_S3D1),
+ DEF_MOD("hscif2", 518, R8A774B1_CLK_S3D1),
+ DEF_MOD("hscif1", 519, R8A774B1_CLK_S3D1),
+ DEF_MOD("hscif0", 520, R8A774B1_CLK_S3D1),
+ DEF_MOD("thermal", 522, R8A774B1_CLK_CP),
+ DEF_MOD("pwm", 523, R8A774B1_CLK_S0D12),
+ DEF_MOD("fcpvd1", 602, R8A774B1_CLK_S0D2),
+ DEF_MOD("fcpvd0", 603, R8A774B1_CLK_S0D2),
+ DEF_MOD("fcpvb0", 607, R8A774B1_CLK_S0D1),
+ DEF_MOD("fcpvi0", 611, R8A774B1_CLK_S0D1),
+ DEF_MOD("fcpf0", 615, R8A774B1_CLK_S0D1),
+ DEF_MOD("fcpcs", 619, R8A774B1_CLK_S0D2),
+ DEF_MOD("vspd1", 622, R8A774B1_CLK_S0D2),
+ DEF_MOD("vspd0", 623, R8A774B1_CLK_S0D2),
+ DEF_MOD("vspb", 626, R8A774B1_CLK_S0D1),
+ DEF_MOD("vspi0", 631, R8A774B1_CLK_S0D1),
+ DEF_MOD("ehci1", 702, R8A774B1_CLK_S3D2),
+ DEF_MOD("ehci0", 703, R8A774B1_CLK_S3D2),
+ DEF_MOD("hsusb", 704, R8A774B1_CLK_S3D2),
+ DEF_MOD("csi20", 714, R8A774B1_CLK_CSI0),
+ DEF_MOD("csi40", 716, R8A774B1_CLK_CSI0),
+ DEF_MOD("du3", 721, R8A774B1_CLK_S2D1),
+ DEF_MOD("du1", 723, R8A774B1_CLK_S2D1),
+ DEF_MOD("du0", 724, R8A774B1_CLK_S2D1),
+ DEF_MOD("lvds", 727, R8A774B1_CLK_S2D1),
+ DEF_MOD("hdmi0", 729, R8A774B1_CLK_HDMI),
+ DEF_MOD("vin7", 804, R8A774B1_CLK_S0D2),
+ DEF_MOD("vin6", 805, R8A774B1_CLK_S0D2),
+ DEF_MOD("vin5", 806, R8A774B1_CLK_S0D2),
+ DEF_MOD("vin4", 807, R8A774B1_CLK_S0D2),
+ DEF_MOD("vin3", 808, R8A774B1_CLK_S0D2),
+ DEF_MOD("vin2", 809, R8A774B1_CLK_S0D2),
+ DEF_MOD("vin1", 810, R8A774B1_CLK_S0D2),
+ DEF_MOD("vin0", 811, R8A774B1_CLK_S0D2),
+ DEF_MOD("etheravb", 812, R8A774B1_CLK_S0D6),
+ DEF_MOD("sata0", 815, R8A774B1_CLK_S3D2),
+ DEF_MOD("gpio7", 905, R8A774B1_CLK_S3D4),
+ DEF_MOD("gpio6", 906, R8A774B1_CLK_S3D4),
+ DEF_MOD("gpio5", 907, R8A774B1_CLK_S3D4),
+ DEF_MOD("gpio4", 908, R8A774B1_CLK_S3D4),
+ DEF_MOD("gpio3", 909, R8A774B1_CLK_S3D4),
+ DEF_MOD("gpio2", 910, R8A774B1_CLK_S3D4),
+ DEF_MOD("gpio1", 911, R8A774B1_CLK_S3D4),
+ DEF_MOD("gpio0", 912, R8A774B1_CLK_S3D4),
+ DEF_MOD("can-fd", 914, R8A774B1_CLK_S3D2),
+ DEF_MOD("can-if1", 915, R8A774B1_CLK_S3D4),
+ DEF_MOD("can-if0", 916, R8A774B1_CLK_S3D4),
+ DEF_MOD("i2c6", 918, R8A774B1_CLK_S0D6),
+ DEF_MOD("i2c5", 919, R8A774B1_CLK_S0D6),
+ DEF_MOD("i2c-dvfs", 926, R8A774B1_CLK_CP),
+ DEF_MOD("i2c4", 927, R8A774B1_CLK_S0D6),
+ DEF_MOD("i2c3", 928, R8A774B1_CLK_S0D6),
+ DEF_MOD("i2c2", 929, R8A774B1_CLK_S3D2),
+ DEF_MOD("i2c1", 930, R8A774B1_CLK_S3D2),
+ DEF_MOD("i2c0", 931, R8A774B1_CLK_S3D2),
+ DEF_MOD("ssi-all", 1005, R8A774B1_CLK_S3D4),
+ DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)),
+ DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)),
+ DEF_MOD("scu-all", 1017, R8A774B1_CLK_S3D4),
+ DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)),
+ DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)),
+};
+
+static const unsigned int r8a774b1_crit_mod_clks[] __initconst = {
+ MOD_CLK_ID(408), /* INTC-AP (GIC) */
+};
+
+/*
+ * CPG Clock Data
+ */
+
+/*
+ * MD EXTAL PLL0 PLL1 PLL3 PLL4 OSC
+ * 14 13 19 17 (MHz)
+ *-----------------------------------------------------------------
+ * 0 0 0 0 16.66 x 1 x180 x192 x192 x144 /16
+ * 0 0 0 1 16.66 x 1 x180 x192 x128 x144 /16
+ * 0 0 1 0 Prohibited setting
+ * 0 0 1 1 16.66 x 1 x180 x192 x192 x144 /16
+ * 0 1 0 0 20 x 1 x150 x160 x160 x120 /19
+ * 0 1 0 1 20 x 1 x150 x160 x106 x120 /19
+ * 0 1 1 0 Prohibited setting
+ * 0 1 1 1 20 x 1 x150 x160 x160 x120 /19
+ * 1 0 0 0 25 x 1 x120 x128 x128 x96 /24
+ * 1 0 0 1 25 x 1 x120 x128 x84 x96 /24
+ * 1 0 1 0 Prohibited setting
+ * 1 0 1 1 25 x 1 x120 x128 x128 x96 /24
+ * 1 1 0 0 33.33 / 2 x180 x192 x192 x144 /32
+ * 1 1 0 1 33.33 / 2 x180 x192 x128 x144 /32
+ * 1 1 1 0 Prohibited setting
+ * 1 1 1 1 33.33 / 2 x180 x192 x192 x144 /32
+ */
+#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \
+ (((md) & BIT(13)) >> 11) | \
+ (((md) & BIT(19)) >> 18) | \
+ (((md) & BIT(17)) >> 17))
+
+static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = {
+ /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */
+ { 1, 192, 1, 192, 1, 16, },
+ { 1, 192, 1, 128, 1, 16, },
+ { 0, /* Prohibited setting */ },
+ { 1, 192, 1, 192, 1, 16, },
+ { 1, 160, 1, 160, 1, 19, },
+ { 1, 160, 1, 106, 1, 19, },
+ { 0, /* Prohibited setting */ },
+ { 1, 160, 1, 160, 1, 19, },
+ { 1, 128, 1, 128, 1, 24, },
+ { 1, 128, 1, 84, 1, 24, },
+ { 0, /* Prohibited setting */ },
+ { 1, 128, 1, 128, 1, 24, },
+ { 2, 192, 1, 192, 1, 32, },
+ { 2, 192, 1, 128, 1, 32, },
+ { 0, /* Prohibited setting */ },
+ { 2, 192, 1, 192, 1, 32, },
+};
+
+static int __init r8a774b1_cpg_mssr_init(struct device *dev)
+{
+ const struct rcar_gen3_cpg_pll_config *cpg_pll_config;
+ u32 cpg_mode;
+ int error;
+
+ error = rcar_rst_read_mode_pins(&cpg_mode);
+ if (error)
+ return error;
+
+ cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)];
+ if (!cpg_pll_config->extal_div) {
+ dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode);
+ return -EINVAL;
+ }
+
+ return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode);
+}
+
+const struct cpg_mssr_info r8a774b1_cpg_mssr_info __initconst = {
+ /* Core Clocks */
+ .core_clks = r8a774b1_core_clks,
+ .num_core_clks = ARRAY_SIZE(r8a774b1_core_clks),
+ .last_dt_core_clk = LAST_DT_CORE_CLK,
+ .num_total_core_clks = MOD_CLK_BASE,
+
+ /* Module Clocks */
+ .mod_clks = r8a774b1_mod_clks,
+ .num_mod_clks = ARRAY_SIZE(r8a774b1_mod_clks),
+ .num_hw_mod_clks = 12 * 32,
+
+ /* Critical Module Clocks */
+ .crit_mod_clks = r8a774b1_crit_mod_clks,
+ .num_crit_mod_clks = ARRAY_SIZE(r8a774b1_crit_mod_clks),
+
+ /* Callbacks */
+ .init = r8a774b1_cpg_mssr_init,
+ .cpg_clk_register = rcar_gen3_cpg_clk_register,
+};
diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c
index 90cc6a102602..e8420d3ada94 100644
--- a/drivers/clk/renesas/r8a7796-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c
@@ -1,9 +1,10 @@
// SPDX-License-Identifier: GPL-2.0
/*
- * r8a7796 Clock Pulse Generator / Module Standby and Software Reset
+ * r8a7796 (R-Car M3-W/W+) Clock Pulse Generator / Module Standby and Software
+ * Reset
*
- * Copyright (C) 2016 Glider bvba
- * Copyright (C) 2018 Renesas Electronics Corp.
+ * Copyright (C) 2016-2019 Glider bvba
+ * Copyright (C) 2018-2019 Renesas Electronics Corp.
*
* Based on r8a7795-cpg-mssr.c
*
@@ -14,6 +15,7 @@
#include <linux/device.h>
#include <linux/init.h>
#include <linux/kernel.h>
+#include <linux/of.h>
#include <linux/soc/renesas/rcar-rst.h>
#include <dt-bindings/clock/r8a7796-cpg-mssr.h>
@@ -116,7 +118,7 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = {
DEF_BASE("r", R8A7796_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT),
};
-static const struct mssr_mod_clk r8a7796_mod_clks[] __initconst = {
+static struct mssr_mod_clk r8a7796_mod_clks[] __initdata = {
DEF_MOD("fdp1-0", 119, R8A7796_CLK_S0D1),
DEF_MOD("scif5", 202, R8A7796_CLK_S3D4),
DEF_MOD("scif4", 203, R8A7796_CLK_S3D4),
@@ -304,6 +306,14 @@ static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = {
{ 2, 192, 1, 192, 1, 32, },
};
+ /*
+ * Fixups for R-Car M3-W+
+ */
+
+static const unsigned int r8a77961_mod_nullify[] __initconst = {
+ MOD_CLK_ID(617), /* FCPCI0 */
+};
+
static int __init r8a7796_cpg_mssr_init(struct device *dev)
{
const struct rcar_gen3_cpg_pll_config *cpg_pll_config;
@@ -320,6 +330,12 @@ static int __init r8a7796_cpg_mssr_init(struct device *dev)
return -EINVAL;
}
+ if (of_device_is_compatible(dev->of_node, "renesas,r8a77961-cpg-mssr"))
+ mssr_mod_nullify(r8a7796_mod_clks,
+ ARRAY_SIZE(r8a7796_mod_clks),
+ r8a77961_mod_nullify,
+ ARRAY_SIZE(r8a77961_mod_nullify));
+
return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode);
}
diff --git a/drivers/clk/renesas/r8a77965-cpg-mssr.c b/drivers/clk/renesas/r8a77965-cpg-mssr.c
index b4e8c5b7d515..b3af4da2ca74 100644
--- a/drivers/clk/renesas/r8a77965-cpg-mssr.c
+++ b/drivers/clk/renesas/r8a77965-cpg-mssr.c
@@ -323,7 +323,7 @@ static int __init r8a77965_cpg_mssr_init(struct device *dev)
}
return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode);
-};
+}
const struct cpg_mssr_info r8a77965_cpg_mssr_info __initconst = {
/* Core Clocks */
diff --git a/drivers/clk/renesas/rcar-gen2-cpg.c b/drivers/clk/renesas/rcar-gen2-cpg.c
index f596a2dafcf4..d4fa3dc3e2a2 100644
--- a/drivers/clk/renesas/rcar-gen2-cpg.c
+++ b/drivers/clk/renesas/rcar-gen2-cpg.c
@@ -63,19 +63,22 @@ static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw,
return div_u64((u64)parent_rate * mult, 32);
}
-static long cpg_z_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
+static int cpg_z_clk_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
- unsigned long prate = *parent_rate;
- unsigned int mult;
+ unsigned long prate = req->best_parent_rate;
+ unsigned int min_mult, max_mult, mult;
- if (!prate)
- prate = 1;
+ min_mult = max(div64_ul(req->min_rate * 32ULL, prate), 1ULL);
+ max_mult = min(div64_ul(req->max_rate * 32ULL, prate), 32ULL);
+ if (max_mult < min_mult)
+ return -EINVAL;
- mult = div_u64((u64)rate * 32, prate);
- mult = clamp(mult, 1U, 32U);
+ mult = div64_ul(req->rate * 32ULL, prate);
+ mult = clamp(mult, min_mult, max_mult);
- return *parent_rate / 32 * mult;
+ req->rate = div_u64((u64)prate * mult, 32);
+ return 0;
}
static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -86,7 +89,7 @@ static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate,
u32 val, kick;
unsigned int i;
- mult = div_u64((u64)rate * 32, parent_rate);
+ mult = div64_ul(rate * 32ULL, parent_rate);
mult = clamp(mult, 1U, 32U);
if (readl(zclk->kick_reg) & CPG_FRQCRB_KICK)
@@ -126,7 +129,7 @@ static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops cpg_z_clk_ops = {
.recalc_rate = cpg_z_clk_recalc_rate,
- .round_rate = cpg_z_clk_round_rate,
+ .determine_rate = cpg_z_clk_determine_rate,
.set_rate = cpg_z_clk_set_rate,
};
diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c
index d25c8ba00a65..c97b647db9b6 100644
--- a/drivers/clk/renesas/rcar-gen3-cpg.c
+++ b/drivers/clk/renesas/rcar-gen3-cpg.c
@@ -114,18 +114,24 @@ static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw,
32 * zclk->fixed_div);
}
-static long cpg_z_clk_round_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long *parent_rate)
+static int cpg_z_clk_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
struct cpg_z_clk *zclk = to_z_clk(hw);
+ unsigned int min_mult, max_mult, mult;
unsigned long prate;
- unsigned int mult;
- prate = *parent_rate / zclk->fixed_div;
- mult = div_u64(rate * 32ULL, prate);
- mult = clamp(mult, 1U, 32U);
+ prate = req->best_parent_rate / zclk->fixed_div;
+ min_mult = max(div64_ul(req->min_rate * 32ULL, prate), 1ULL);
+ max_mult = min(div64_ul(req->max_rate * 32ULL, prate), 32ULL);
+ if (max_mult < min_mult)
+ return -EINVAL;
+
+ mult = div64_ul(req->rate * 32ULL, prate);
+ mult = clamp(mult, min_mult, max_mult);
- return (u64)prate * mult / 32;
+ req->rate = div_u64((u64)prate * mult, 32);
+ return 0;
}
static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate,
@@ -172,7 +178,7 @@ static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate,
static const struct clk_ops cpg_z_clk_ops = {
.recalc_rate = cpg_z_clk_recalc_rate,
- .round_rate = cpg_z_clk_round_rate,
+ .determine_rate = cpg_z_clk_determine_rate,
.set_rate = cpg_z_clk_set_rate,
};
@@ -309,44 +315,44 @@ static unsigned long cpg_sd_clock_recalc_rate(struct clk_hw *hw,
clock->div_table[clock->cur_div_idx].div);
}
-static unsigned int cpg_sd_clock_calc_div(struct sd_clock *clock,
- unsigned long rate,
- unsigned long parent_rate)
+static int cpg_sd_clock_determine_rate(struct clk_hw *hw,
+ struct clk_rate_request *req)
{
- unsigned long calc_rate, diff, diff_min = ULONG_MAX;
- unsigned int i, best_div = 0;
+ unsigned long best_rate = ULONG_MAX, diff_min = ULONG_MAX;
+ struct sd_clock *clock = to_sd_clock(hw);
+ unsigned long calc_rate, diff;
+ unsigned int i;
for (i = 0; i < clock->div_num; i++) {
- calc_rate = DIV_ROUND_CLOSEST(parent_rate,
+ calc_rate = DIV_ROUND_CLOSEST(req->best_parent_rate,
clock->div_table[i].div);
- diff = calc_rate > rate ? calc_rate - rate : rate - calc_rate;
+ if (calc_rate < req->min_rate || calc_rate > req->max_rate)
+ continue;
+
+ diff = calc_rate > req->rate ? calc_rate - req->rate
+ : req->rate - calc_rate;
if (diff < diff_min) {
- best_div = clock->div_table[i].div;
+ best_rate = calc_rate;
diff_min = diff;
}
}
- return best_div;
-}
-
-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);
+ if (best_rate == ULONG_MAX)
+ return -EINVAL;
- return DIV_ROUND_CLOSEST(*parent_rate, div);
+ req->rate = best_rate;
+ return 0;
}
static int cpg_sd_clock_set_rate(struct clk_hw *hw, unsigned long rate,
- unsigned long parent_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);
unsigned int i;
for (i = 0; i < clock->div_num; i++)
- if (div == clock->div_table[i].div)
+ if (rate == DIV_ROUND_CLOSEST(parent_rate,
+ clock->div_table[i].div))
break;
if (i >= clock->div_num)
@@ -366,7 +372,7 @@ static const struct clk_ops cpg_sd_clock_ops = {
.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,
+ .determine_rate = cpg_sd_clock_determine_rate,
.set_rate = cpg_sd_clock_set_rate,
};
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c
index 132cc96895e3..a2663fbbd7a5 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.c
+++ b/drivers/clk/renesas/renesas-cpg-mssr.c
@@ -702,6 +702,12 @@ static const struct of_device_id cpg_mssr_match[] = {
.data = &r8a774a1_cpg_mssr_info,
},
#endif
+#ifdef CONFIG_CLK_R8A774B1
+ {
+ .compatible = "renesas,r8a774b1-cpg-mssr",
+ .data = &r8a774b1_cpg_mssr_info,
+ },
+#endif
#ifdef CONFIG_CLK_R8A774C0
{
.compatible = "renesas,r8a774c0-cpg-mssr",
@@ -743,12 +749,18 @@ static const struct of_device_id cpg_mssr_match[] = {
.data = &r8a7795_cpg_mssr_info,
},
#endif
-#ifdef CONFIG_CLK_R8A7796
+#ifdef CONFIG_CLK_R8A77960
{
.compatible = "renesas,r8a7796-cpg-mssr",
.data = &r8a7796_cpg_mssr_info,
},
#endif
+#ifdef CONFIG_CLK_R8A77961
+ {
+ .compatible = "renesas,r8a77961-cpg-mssr",
+ .data = &r8a7796_cpg_mssr_info,
+ },
+#endif
#ifdef CONFIG_CLK_R8A77965
{
.compatible = "renesas,r8a77965-cpg-mssr",
diff --git a/drivers/clk/renesas/renesas-cpg-mssr.h b/drivers/clk/renesas/renesas-cpg-mssr.h
index 4ddcdf3bfb95..3b852ba0ecec 100644
--- a/drivers/clk/renesas/renesas-cpg-mssr.h
+++ b/drivers/clk/renesas/renesas-cpg-mssr.h
@@ -159,6 +159,7 @@ extern const struct cpg_mssr_info r8a7743_cpg_mssr_info;
extern const struct cpg_mssr_info r8a7745_cpg_mssr_info;
extern const struct cpg_mssr_info r8a77470_cpg_mssr_info;
extern const struct cpg_mssr_info r8a774a1_cpg_mssr_info;
+extern const struct cpg_mssr_info r8a774b1_cpg_mssr_info;
extern const struct cpg_mssr_info r8a774c0_cpg_mssr_info;
extern const struct cpg_mssr_info r8a7790_cpg_mssr_info;
extern const struct cpg_mssr_info r8a7791_cpg_mssr_info;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.