diff options
Diffstat (limited to 'drivers/clk/Kconfig')
| -rw-r--r-- | drivers/clk/Kconfig | 75 |
1 files changed, 49 insertions, 26 deletions
diff --git a/drivers/clk/Kconfig b/drivers/clk/Kconfig index bcb257baed06..69934c0c3dd8 100644 --- a/drivers/clk/Kconfig +++ b/drivers/clk/Kconfig @@ -1,5 +1,11 @@ # SPDX-License-Identifier: GPL-2.0 +config HAVE_CLK + bool + help + The <linux/clk.h> calls support software clock gating and + thus are a key power management tool on many systems. + config CLKDEV_LOOKUP bool select HAVE_CLK @@ -7,26 +13,35 @@ config CLKDEV_LOOKUP config HAVE_CLK_PREPARE bool -config COMMON_CLK +config HAVE_LEGACY_CLK # TODO: Remove once all legacy users are migrated bool + select HAVE_CLK + help + Select this option when the clock API in <linux/clk.h> is implemented + by platform/architecture code. This method is deprecated. Modern + code should select COMMON_CLK instead and not define a custom + 'struct clk'. + +menuconfig COMMON_CLK + bool "Common Clock Framework" + depends on !HAVE_LEGACY_CLK select HAVE_CLK_PREPARE select CLKDEV_LOOKUP select SRCU select RATIONAL - ---help--- + help The common clock framework is a single definition of struct clk, useful across many platforms, as well as an implementation of the clock API in include/linux/clk.h. Architectures utilizing the common struct clk should select this option. -menu "Common Clock Framework" - depends on COMMON_CLK +if COMMON_CLK config COMMON_CLK_WM831X tristate "Clock driver for WM831x/2x PMICs" depends on MFD_WM831X - ---help--- + help Supports the clocking subsystem of the WM831x/2x series of PMICs from Wolfson Microelectronics. @@ -35,14 +50,14 @@ source "drivers/clk/versatile/Kconfig" config CLK_HSDK bool "PLL Driver for HSDK platform" depends on OF || COMPILE_TEST - ---help--- + help This driver supports the HSDK core, system, ddr, tunnel and hdmi PLLs control. config COMMON_CLK_MAX77686 tristate "Clock driver for Maxim 77620/77686/77802 MFD" depends on MFD_MAX77686 || MFD_MAX77620 || COMPILE_TEST - ---help--- + help This driver supports Maxim 77620/77686/77802 crystal oscillator clock. @@ -55,7 +70,7 @@ config COMMON_CLK_MAX9485 config COMMON_CLK_RK808 tristate "Clock driver for RK805/RK808/RK809/RK817/RK818" depends on MFD_RK808 - ---help--- + help This driver supports RK805, RK809 and RK817, RK808 and RK818 crystal oscillator clock. These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each. Clkout1 is always on, Clkout2 can off by control register. @@ -65,7 +80,7 @@ config COMMON_CLK_HI655X depends on (MFD_HI655X_PMIC || COMPILE_TEST) depends on REGMAP default MFD_HI655X_PMIC - ---help--- + help This driver supports the hi655x PMIC clock. This multi-function device has one fixed-rate oscillator, clocked at 32KHz. @@ -73,7 +88,7 @@ config COMMON_CLK_HI655X config COMMON_CLK_SCMI tristate "Clock driver controlled via SCMI interface" depends on ARM_SCMI_PROTOCOL || COMPILE_TEST - ---help--- + help This driver provides support for clocks that are controlled by firmware that implements the SCMI interface. @@ -83,7 +98,7 @@ config COMMON_CLK_SCMI config COMMON_CLK_SCPI tristate "Clock driver controlled via SCPI interface" depends on ARM_SCPI_PROTOCOL || COMPILE_TEST - ---help--- + help This driver provides support for clocks that are controlled by firmware that implements the SCPI interface. @@ -106,7 +121,7 @@ config COMMON_CLK_SI5351 depends on I2C select REGMAP_I2C select RATIONAL - ---help--- + help This driver supports Silicon Labs 5351A/B/C programmable clock generators. @@ -148,7 +163,7 @@ config COMMON_CLK_CDCE706 depends on I2C select REGMAP_I2C select RATIONAL - ---help--- + help This driver supports TI CDCE706 programmable 3-PLL clock synthesizer. config COMMON_CLK_CDCE925 @@ -191,7 +206,7 @@ config COMMON_CLK_GEMINI depends on ARCH_GEMINI || COMPILE_TEST select MFD_SYSCON select RESET_CONTROLLER - ---help--- + help This driver supports the SoC clocks on the Cortina Systems Gemini platform, also known as SL3516 or CS3516. @@ -201,7 +216,7 @@ config COMMON_CLK_ASPEED default ARCH_ASPEED select MFD_SYSCON select RESET_CONTROLLER - ---help--- + help This driver supports the SoC clocks on the Aspeed BMC platforms. The G4 and G5 series, including the ast2400 and ast2500, are supported @@ -210,7 +225,7 @@ config COMMON_CLK_ASPEED config COMMON_CLK_S2MPS11 tristate "Clock driver for S2MPS1X/S5M8767 MFD" depends on MFD_SEC_CORE || COMPILE_TEST - ---help--- + help This driver supports S2MPS11/S2MPS14/S5M8767 crystal oscillator clock. These multi-function devices have two (S2MPS14) or three (S2MPS11, S5M8767) fixed-rate oscillators, clocked at 32KHz each. @@ -218,7 +233,7 @@ config COMMON_CLK_S2MPS11 config CLK_TWL6040 tristate "External McPDM functional clock from twl6040" depends on TWL6040_CORE - ---help--- + help Enable the external functional clock support on OMAP4+ platforms for McPDM. McPDM module is using the external bit clock on the McPDM bus as functional clock. @@ -233,7 +248,7 @@ config COMMON_CLK_AXI_CLKGEN config CLK_QORIQ bool "Clock driver for Freescale QorIQ platforms" depends on (PPC_E500MC || ARM || ARM64 || COMPILE_TEST) && OF - ---help--- + help This adds the clock driver support for Freescale QorIQ platforms using common clock framework. @@ -251,8 +266,8 @@ config COMMON_CLK_XGENE bool "Clock driver for APM XGene SoC" default ARCH_XGENE depends on ARM64 || COMPILE_TEST - ---help--- - Sypport for the APM X-Gene SoC reference, PLL, and device clocks. + help + Support for the APM X-Gene SoC reference, PLL, and device clocks. config COMMON_CLK_LOCHNAGAR tristate "Cirrus Logic Lochnagar clock driver" @@ -265,26 +280,26 @@ config COMMON_CLK_NXP def_bool COMMON_CLK && (ARCH_LPC18XX || ARCH_LPC32XX) select REGMAP_MMIO if ARCH_LPC32XX select MFD_SYSCON if ARCH_LPC18XX - ---help--- + help Support for clock providers on NXP platforms. config COMMON_CLK_PALMAS tristate "Clock driver for TI Palmas devices" depends on MFD_PALMAS - ---help--- + help This driver supports TI Palmas devices 32KHz output KG and KG_AUDIO using common clock framework. config COMMON_CLK_PWM tristate "Clock driver for PWMs used as clock outputs" depends on PWM - ---help--- + help Adapter driver so that any PWM output can be (mis)used as clock signal at 50% duty cycle. config COMMON_CLK_PXA def_bool COMMON_CLK && ARCH_PXA - ---help--- + help Support for the Marvell PXA SoC. config COMMON_CLK_PIC32 @@ -294,7 +309,7 @@ config COMMON_CLK_OXNAS bool "Clock driver for the OXNAS SoC Family" depends on ARCH_OXNAS || COMPILE_TEST select MFD_SYSCON - ---help--- + help Support for the OXNAS SoC Family clocks. config COMMON_CLK_VC5 @@ -326,6 +341,12 @@ config COMMON_CLK_MMP2 help Support for Marvell MMP2 and MMP3 SoC clocks +config COMMON_CLK_MMP2_AUDIO + tristate "Clock driver for MMP2 Audio subsystem" + depends on COMMON_CLK_MMP2 || COMPILE_TEST + help + This driver supports clocks for Audio subsystem on MMP2 SoC. + config COMMON_CLK_BD718XX tristate "Clock driver for 32K clk gates on ROHM PMICs" depends on MFD_ROHM_BD718XX || MFD_ROHM_BD70528 || MFD_ROHM_BD71828 @@ -341,6 +362,7 @@ config COMMON_CLK_FIXED_MMIO source "drivers/clk/actions/Kconfig" source "drivers/clk/analogbits/Kconfig" +source "drivers/clk/baikal-t1/Kconfig" source "drivers/clk/bcm/Kconfig" source "drivers/clk/hisilicon/Kconfig" source "drivers/clk/imgtec/Kconfig" @@ -360,6 +382,7 @@ source "drivers/clk/sunxi-ng/Kconfig" source "drivers/clk/tegra/Kconfig" source "drivers/clk/ti/Kconfig" source "drivers/clk/uniphier/Kconfig" +source "drivers/clk/x86/Kconfig" source "drivers/clk/zynqmp/Kconfig" -endmenu +endif |