| # 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 |
| |
| config HAVE_CLK_PREPARE |
| bool |
| |
| 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 |
| 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. |
| |
| if COMMON_CLK |
| |
| config COMMON_CLK_WM831X |
| tristate "Clock driver for WM831x/2x PMICs" |
| depends on MFD_WM831X |
| help |
| Supports the clocking subsystem of the WM831x/2x series of |
| PMICs from Wolfson Microelectronics. |
| |
| source "drivers/clk/versatile/Kconfig" |
| |
| config CLK_HSDK |
| bool "PLL Driver for HSDK platform" |
| depends on OF || COMPILE_TEST |
| depends on HAS_IOMEM |
| 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 |
| This driver supports Maxim 77620/77686/77802 crystal oscillator |
| clock. |
| |
| config COMMON_CLK_MAX9485 |
| tristate "Maxim 9485 Programmable Clock Generator" |
| depends on I2C |
| help |
| This driver supports Maxim 9485 Programmable Audio Clock Generator |
| |
| config COMMON_CLK_RK808 |
| tristate "Clock driver for RK805/RK808/RK809/RK817/RK818" |
| depends on MFD_RK808 |
| 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. |
| |
| config COMMON_CLK_HI655X |
| tristate "Clock driver for Hi655x" if EXPERT |
| depends on (MFD_HI655X_PMIC || COMPILE_TEST) |
| depends on REGMAP |
| default MFD_HI655X_PMIC |
| help |
| This driver supports the hi655x PMIC clock. This |
| multi-function device has one fixed-rate oscillator, clocked |
| at 32KHz. |
| |
| config COMMON_CLK_SCMI |
| tristate "Clock driver controlled via SCMI interface" |
| depends on ARM_SCMI_PROTOCOL || COMPILE_TEST |
| help |
| This driver provides support for clocks that are controlled |
| by firmware that implements the SCMI interface. |
| |
| This driver uses SCMI Message Protocol to interact with the |
| firmware providing all the clock controls. |
| |
| config COMMON_CLK_SCPI |
| tristate "Clock driver controlled via SCPI interface" |
| depends on ARM_SCPI_PROTOCOL || COMPILE_TEST |
| help |
| This driver provides support for clocks that are controlled |
| by firmware that implements the SCPI interface. |
| |
| This driver uses SCPI Message Protocol to interact with the |
| firmware providing all the clock controls. |
| |
| config COMMON_CLK_SI5341 |
| tristate "Clock driver for SiLabs 5341 and 5340 A/B/C/D devices" |
| depends on I2C |
| select REGMAP_I2C |
| help |
| This driver supports Silicon Labs Si5341 and Si5340 programmable clock |
| generators. Not all features of these chips are currently supported |
| by the driver, in particular it only supports XTAL input. The chip can |
| be pre-programmed to support other configurations and features not yet |
| implemented in the driver. |
| |
| config COMMON_CLK_SI5351 |
| tristate "Clock driver for SiLabs 5351A/B/C" |
| depends on I2C |
| select REGMAP_I2C |
| help |
| This driver supports Silicon Labs 5351A/B/C programmable clock |
| generators. |
| |
| config COMMON_CLK_SI514 |
| tristate "Clock driver for SiLabs 514 devices" |
| depends on I2C |
| depends on OF |
| select REGMAP_I2C |
| help |
| This driver supports the Silicon Labs 514 programmable clock |
| generator. |
| |
| config COMMON_CLK_SI544 |
| tristate "Clock driver for SiLabs 544 devices" |
| depends on I2C |
| select REGMAP_I2C |
| help |
| This driver supports the Silicon Labs 544 programmable clock |
| generator. |
| |
| config COMMON_CLK_SI570 |
| tristate "Clock driver for SiLabs 570 and compatible devices" |
| depends on I2C |
| depends on OF |
| select REGMAP_I2C |
| help |
| This driver supports Silicon Labs 570/571/598/599 programmable |
| clock generators. |
| |
| config COMMON_CLK_BM1880 |
| bool "Clock driver for Bitmain BM1880 SoC" |
| depends on ARCH_BITMAIN || COMPILE_TEST |
| default ARCH_BITMAIN |
| help |
| This driver supports the clocks on Bitmain BM1880 SoC. |
| |
| config COMMON_CLK_CDCE706 |
| tristate "Clock driver for TI CDCE706 clock synthesizer" |
| depends on I2C |
| select REGMAP_I2C |
| help |
| This driver supports TI CDCE706 programmable 3-PLL clock synthesizer. |
| |
| config COMMON_CLK_CDCE925 |
| tristate "Clock driver for TI CDCE913/925/937/949 devices" |
| depends on I2C |
| depends on OF |
| select REGMAP_I2C |
| help |
| This driver supports the TI CDCE913/925/937/949 programmable clock |
| synthesizer. Each chip has different number of PLLs and outputs. |
| For example, the CDCE925 contains two PLLs with spread-spectrum |
| clocking support and five output dividers. The driver only supports |
| the following setup, and uses a fixed setting for the output muxes. |
| Y1 is derived from the input clock |
| Y2 and Y3 derive from PLL1 |
| Y4 and Y5 derive from PLL2 |
| Given a target output frequency, the driver will set the PLL and |
| divider to best approximate the desired output. |
| |
| config COMMON_CLK_CS2000_CP |
| tristate "Clock driver for CS2000 Fractional-N Clock Synthesizer & Clock Multiplier" |
| depends on I2C |
| help |
| If you say yes here you get support for the CS2000 clock multiplier. |
| |
| config COMMON_CLK_FSL_SAI |
| bool "Clock driver for BCLK of Freescale SAI cores" |
| depends on ARCH_LAYERSCAPE || COMPILE_TEST |
| help |
| This driver supports the Freescale SAI (Synchronous Audio Interface) |
| to be used as a generic clock output. Some SoCs have restrictions |
| regarding the possible pin multiplexer settings. Eg. on some SoCs |
| two SAI interfaces can only be enabled together. If just one is |
| needed, the BCLK pin of the second one can be used as general |
| purpose clock output. Ideally, it can be used to drive an audio |
| codec (sometimes known as MCLK). |
| |
| config COMMON_CLK_GEMINI |
| bool "Clock driver for Cortina Systems Gemini SoC" |
| depends on ARCH_GEMINI || COMPILE_TEST |
| select MFD_SYSCON |
| select RESET_CONTROLLER |
| help |
| This driver supports the SoC clocks on the Cortina Systems Gemini |
| platform, also known as SL3516 or CS3516. |
| |
| config COMMON_CLK_ASPEED |
| bool "Clock driver for Aspeed BMC SoCs" |
| depends on ARCH_ASPEED || COMPILE_TEST |
| default ARCH_ASPEED |
| select MFD_SYSCON |
| select RESET_CONTROLLER |
| help |
| This driver supports the SoC clocks on the Aspeed BMC platforms. |
| |
| The G4 and G5 series, including the ast2400 and ast2500, are supported |
| by this driver. |
| |
| config COMMON_CLK_S2MPS11 |
| tristate "Clock driver for S2MPS1X/S5M8767 MFD" |
| depends on MFD_SEC_CORE || COMPILE_TEST |
| 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. |
| |
| config CLK_TWL6040 |
| tristate "External McPDM functional clock from twl6040" |
| depends on TWL6040_CORE |
| 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. |
| |
| config COMMON_CLK_AXI_CLKGEN |
| tristate "AXI clkgen driver" |
| depends on ARCH_ZYNQ || MICROBLAZE || COMPILE_TEST |
| help |
| Support for the Analog Devices axi-clkgen pcore clock generator for Xilinx |
| FPGAs. It is commonly used in Analog Devices' reference designs. |
| |
| config CLK_QORIQ |
| bool "Clock driver for Freescale QorIQ platforms" |
| depends on (PPC_E500MC || ARM || ARM64 || COMPILE_TEST) && OF |
| help |
| This adds the clock driver support for Freescale QorIQ platforms |
| using common clock framework. |
| |
| config CLK_LS1028A_PLLDIG |
| tristate "Clock driver for LS1028A Display output" |
| depends on ARCH_LAYERSCAPE || COMPILE_TEST |
| default ARCH_LAYERSCAPE |
| help |
| This driver support the Display output interfaces(LCD, DPHY) pixel clocks |
| of the QorIQ Layerscape LS1028A, as implemented TSMC CLN28HPM PLL. Not all |
| features of the PLL are currently supported by the driver. By default, |
| configured bypass mode with this PLL. |
| |
| config COMMON_CLK_XGENE |
| bool "Clock driver for APM XGene SoC" |
| default ARCH_XGENE |
| depends on ARM64 || COMPILE_TEST |
| help |
| Support for the APM X-Gene SoC reference, PLL, and device clocks. |
| |
| config COMMON_CLK_LOCHNAGAR |
| tristate "Cirrus Logic Lochnagar clock driver" |
| depends on MFD_LOCHNAGAR |
| help |
| This driver supports the clocking features of the Cirrus Logic |
| Lochnagar audio development board. |
| |
| 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 |
| Support for clock providers on NXP platforms. |
| |
| config COMMON_CLK_PALMAS |
| tristate "Clock driver for TI Palmas devices" |
| depends on MFD_PALMAS |
| 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 |
| 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 |
| Support for the Marvell PXA SoC. |
| |
| config COMMON_CLK_PIC32 |
| def_bool COMMON_CLK && MACH_PIC32 |
| |
| config COMMON_CLK_OXNAS |
| bool "Clock driver for the OXNAS SoC Family" |
| depends on ARCH_OXNAS || COMPILE_TEST |
| select MFD_SYSCON |
| help |
| Support for the OXNAS SoC Family clocks. |
| |
| config COMMON_CLK_VC5 |
| tristate "Clock driver for IDT VersaClock 5,6 devices" |
| depends on I2C |
| depends on OF |
| select REGMAP_I2C |
| help |
| This driver supports the IDT VersaClock 5 and VersaClock 6 |
| programmable clock generators. |
| |
| config COMMON_CLK_STM32MP157 |
| def_bool COMMON_CLK && MACH_STM32MP157 |
| help |
| Support for stm32mp157 SoC family clocks |
| |
| config COMMON_CLK_STM32F |
| def_bool COMMON_CLK && (MACH_STM32F429 || MACH_STM32F469 || MACH_STM32F746) |
| help |
| Support for stm32f4 and stm32f7 SoC families clocks |
| |
| config COMMON_CLK_STM32H7 |
| def_bool COMMON_CLK && MACH_STM32H743 |
| help |
| Support for stm32h7 SoC family clocks |
| |
| config COMMON_CLK_MMP2 |
| def_bool COMMON_CLK && (MACH_MMP2_DT || MACH_MMP3_DT) |
| 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 |
| help |
| This driver supports ROHM BD71837, ROHM BD71847, ROHM BD71828 and |
| ROHM BD70528 PMICs clock gates. |
| |
| config COMMON_CLK_FIXED_MMIO |
| bool "Clock driver for Memory Mapped Fixed values" |
| depends on COMMON_CLK && OF |
| help |
| Support for Memory Mapped IO Fixed clocks |
| |
| 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" |
| source "drivers/clk/imx/Kconfig" |
| source "drivers/clk/ingenic/Kconfig" |
| source "drivers/clk/keystone/Kconfig" |
| source "drivers/clk/mediatek/Kconfig" |
| source "drivers/clk/meson/Kconfig" |
| source "drivers/clk/mvebu/Kconfig" |
| source "drivers/clk/qcom/Kconfig" |
| source "drivers/clk/renesas/Kconfig" |
| source "drivers/clk/samsung/Kconfig" |
| source "drivers/clk/sifive/Kconfig" |
| source "drivers/clk/sprd/Kconfig" |
| source "drivers/clk/sunxi/Kconfig" |
| 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" |
| |
| endif |
