# SPDX-License-Identifier: GPL-2.0 config HAVE_CLK bool help The calls support software clock gating and thus are a key power management tool on many systems. 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 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 HAVE_CLK 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 ARC_SOC_HSDK || COMPILE_TEST depends on HAS_IOMEM help This driver supports the HSDK core, system, ddr, tunnel and hdmi PLLs control. config LMK04832 tristate "Ti LMK04832 JESD204B Compliant Clock Jitter Cleaner" depends on SPI select REGMAP_SPI help Say yes here to build support for Texas Instruments' LMK04832 Ultra Low-Noise JESD204B Compliant Clock Jitter Cleaner With Dual Loop PLLs config COMMON_CLK_APPLE_NCO tristate "Clock driver for Apple SoC NCOs" depends on ARCH_APPLE || COMPILE_TEST default ARCH_APPLE help This driver supports NCO (Numerically Controlled Oscillator) blocks found on Apple SoCs such as t8103 (M1). The blocks are typically generators of audio clocks. 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_RK8XX 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) select 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_TPS68470 tristate "Clock Driver for TI TPS68470 PMIC" depends on I2C depends on INTEL_SKL_INT3472 || COMPILE_TEST select REGMAP_I2C help This driver supports the clocks provided by the TPS68470 PMIC. 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 select REGMAP_I2C help If you say yes here you get support for the CS2000 clock multiplier. config COMMON_CLK_EN7523 bool "Clock driver for Airoha EN7523 SoC system clocks" depends on OF depends on ARCH_AIROHA || COMPILE_TEST default ARCH_AIROHA help This driver provides the fixed clocks and gates present on Airoha ARM silicon. config COMMON_CLK_EP93XX tristate "Clock driver for Cirrus Logic ep93xx SoC" depends on ARCH_EP93XX || COMPILE_TEST select AUXILIARY_BUS select REGMAP_MMIO help This driver supports the SoC clocks on the Cirrus Logic ep93xx. config COMMON_CLK_FSL_FLEXSPI tristate "Clock driver for FlexSPI on Layerscape SoCs" depends on ARCH_LAYERSCAPE || COMPILE_TEST default ARCH_LAYERSCAPE && SPI_NXP_FLEXSPI help On Layerscape SoCs there is a special clock for the FlexSPI interface. 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_LAN966X tristate "Generic Clock Controller driver for LAN966X SoC" depends on HAS_IOMEM depends on OF depends on SOC_LAN966 || COMPILE_TEST help This driver provides support for Generic Clock Controller(GCK) on LAN966X SoC. GCK generates and supplies clock to various peripherals within the SoC. 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_TWL tristate "Clock driver for the TWL PMIC family" depends on TWL4030_CORE help Enable support for controlling the clock resources on TWL family PMICs. These devices have some 32K clock outputs which can be controlled by software. For now, only the TWL6032 clocks are supported. 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 HAS_IOMEM || COMPILE_TEST depends on OF 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 OF depends on PPC_E500MC || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST 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_LOONGSON2 bool "Clock driver for Loongson-2 SoC" depends on LOONGARCH || COMPILE_TEST help This driver provides support for clock controller on Loongson-2 SoC. The clock controller can generates and supplies clock to various peripherals within the SoC. Say Y here to support Loongson-2 SoC clock driver. 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_RS9_PCIE tristate "Clock driver for Renesas 9-series PCIe clock generators" depends on I2C depends on OF select REGMAP_I2C help This driver supports the Renesas 9-series PCIe clock generator models 9FGV/9DBV/9DMV/9FGL/9DML/9QXL/9SQ. config COMMON_CLK_SI521XX tristate "Clock driver for SkyWorks Si521xx PCIe clock generators" depends on I2C depends on OF select REGMAP_I2C help This driver supports the SkyWorks Si521xx PCIe clock generator models Si52144/Si52146/Si52147. config COMMON_CLK_VC3 tristate "Clock driver for Renesas VersaClock 3 devices" depends on I2C depends on OF select REGMAP_I2C help This driver supports the Renesas VersaClock 3 programmable clock generators. 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_VC7 tristate "Clock driver for Renesas Versaclock 7 devices" depends on I2C depends on OF select REGMAP_I2C help Renesas Versaclock7 is a family of configurable clock generator and jitter attenuator ICs with fractional and integer dividers. 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_BD71828 help This driver supports ROHM BD71837, BD71847, BD71850, BD71815 and BD71828 PMICs clock gates. config COMMON_CLK_FIXED_MMIO bool "Clock driver for Memory Mapped Fixed values" depends on COMMON_CLK && OF depends on HAS_IOMEM help Support for Memory Mapped IO Fixed clocks config COMMON_CLK_K210 bool "Clock driver for the Canaan Kendryte K210 SoC" depends on OF && RISCV && SOC_CANAAN_K210 default SOC_CANAAN_K210 help Support for the Canaan Kendryte K210 RISC-V SoC clocks. config COMMON_CLK_SP7021 tristate "Clock driver for Sunplus SP7021 SoC" depends on SOC_SP7021 || COMPILE_TEST default SOC_SP7021 help This driver supports the Sunplus SP7021 SoC clocks. It implements SP7021 PLLs/gate. Not all features of the PLL are currently supported by the driver. 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/mstar/Kconfig" source "drivers/clk/microchip/Kconfig" source "drivers/clk/mvebu/Kconfig" source "drivers/clk/nuvoton/Kconfig" source "drivers/clk/pistachio/Kconfig" source "drivers/clk/qcom/Kconfig" source "drivers/clk/ralink/Kconfig" source "drivers/clk/renesas/Kconfig" source "drivers/clk/rockchip/Kconfig" source "drivers/clk/samsung/Kconfig" source "drivers/clk/sifive/Kconfig" source "drivers/clk/socfpga/Kconfig" source "drivers/clk/sophgo/Kconfig" source "drivers/clk/sprd/Kconfig" source "drivers/clk/starfive/Kconfig" source "drivers/clk/sunxi/Kconfig" source "drivers/clk/sunxi-ng/Kconfig" source "drivers/clk/tegra/Kconfig" source "drivers/clk/thead/Kconfig" source "drivers/clk/stm32/Kconfig" source "drivers/clk/ti/Kconfig" source "drivers/clk/uniphier/Kconfig" source "drivers/clk/visconti/Kconfig" source "drivers/clk/x86/Kconfig" source "drivers/clk/xilinx/Kconfig" source "drivers/clk/zynqmp/Kconfig" # Kunit test cases config CLK_KUNIT_TEST tristate "Basic Clock Framework Kunit Tests" if !KUNIT_ALL_TESTS depends on KUNIT default KUNIT_ALL_TESTS select OF_OVERLAY if OF select DTC help Kunit tests for the common clock framework. config CLK_FIXED_RATE_KUNIT_TEST tristate "Basic fixed rate clk type KUnit test" if !KUNIT_ALL_TESTS depends on KUNIT default KUNIT_ALL_TESTS select OF_OVERLAY if OF select DTC help KUnit tests for the basic fixed rate clk type. config CLK_GATE_KUNIT_TEST tristate "Basic gate type Kunit test" if !KUNIT_ALL_TESTS depends on KUNIT depends on !S390 default KUNIT_ALL_TESTS help Kunit test for the basic clk gate type. config CLK_FD_KUNIT_TEST tristate "Basic fractional divider type Kunit test" if !KUNIT_ALL_TESTS depends on KUNIT default KUNIT_ALL_TESTS help Kunit test for the clk-fractional-divider type. endif