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- # 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 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 HAVE_CLK
- 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 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_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)
- 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_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_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_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_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_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_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_STM32MP135
- def_bool COMMON_CLK && MACH_STM32MP13
- help
- Support for stm32mp135 SoC family clocks
- 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_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
- default SOC_CANAAN
- help
- Support for the Canaan Kendryte K210 RISC-V SoC 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/mstar/Kconfig"
- source "drivers/clk/microchip/Kconfig"
- source "drivers/clk/mvebu/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/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/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
- help
- Kunit tests for the common clock framework.
- config CLK_GATE_KUNIT_TEST
- tristate "Basic gate type Kunit test" if !KUNIT_ALL_TESTS
- depends on KUNIT
- default KUNIT_ALL_TESTS
- help
- Kunit test for the basic clk gate type.
- endif
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