498 lines
15 KiB
Plaintext
498 lines
15 KiB
Plaintext
# SPDX-License-Identifier: GPL-2.0
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config HAVE_CLK
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bool
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help
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The <linux/clk.h> calls support software clock gating and
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thus are a key power management tool on many systems.
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config HAVE_CLK_PREPARE
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bool
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config HAVE_LEGACY_CLK # TODO: Remove once all legacy users are migrated
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bool
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select HAVE_CLK
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help
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Select this option when the clock API in <linux/clk.h> is implemented
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by platform/architecture code. This method is deprecated. Modern
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code should select COMMON_CLK instead and not define a custom
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'struct clk'.
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menuconfig COMMON_CLK
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bool "Common Clock Framework"
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depends on !HAVE_LEGACY_CLK
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select HAVE_CLK_PREPARE
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select HAVE_CLK
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select SRCU
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select RATIONAL
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help
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The common clock framework is a single definition of struct
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clk, useful across many platforms, as well as an
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implementation of the clock API in include/linux/clk.h.
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Architectures utilizing the common struct clk should select
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this option.
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if COMMON_CLK
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config COMMON_CLK_PROCFS
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bool "Common Clock PROCFS interface"
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depends on COMMON_CLK && PROC_FS && ARCH_ROCKCHIP
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default n
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help
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Turns on the PROCFS interface for clock.
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config COMMON_CLK_WM831X
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tristate "Clock driver for WM831x/2x PMICs"
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depends on MFD_WM831X
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help
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Supports the clocking subsystem of the WM831x/2x series of
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PMICs from Wolfson Microelectronics.
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source "drivers/clk/versatile/Kconfig"
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config CLK_HSDK
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bool "PLL Driver for HSDK platform"
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depends on ARC_SOC_HSDK || COMPILE_TEST
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depends on HAS_IOMEM
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help
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This driver supports the HSDK core, system, ddr, tunnel and hdmi PLLs
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control.
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config LMK04832
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tristate "Ti LMK04832 JESD204B Compliant Clock Jitter Cleaner"
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depends on SPI
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select REGMAP_SPI
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help
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Say yes here to build support for Texas Instruments' LMK04832 Ultra
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Low-Noise JESD204B Compliant Clock Jitter Cleaner With Dual Loop PLLs
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config COMMON_CLK_APPLE_NCO
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tristate "Clock driver for Apple SoC NCOs"
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depends on ARCH_APPLE || COMPILE_TEST
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default ARCH_APPLE
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help
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This driver supports NCO (Numerically Controlled Oscillator) blocks
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found on Apple SoCs such as t8103 (M1). The blocks are typically
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generators of audio clocks.
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config COMMON_CLK_MAX77686
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tristate "Clock driver for Maxim 77620/77686/77802 MFD"
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depends on MFD_MAX77686 || MFD_MAX77620 || COMPILE_TEST
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help
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This driver supports Maxim 77620/77686/77802 crystal oscillator
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clock.
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config COMMON_CLK_MAX9485
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tristate "Maxim 9485 Programmable Clock Generator"
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depends on I2C
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help
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This driver supports Maxim 9485 Programmable Audio Clock Generator
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config COMMON_CLK_RK808
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tristate "Clock driver for RK805/RK808/RK809/RK817/RK818"
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depends on MFD_RK808
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help
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This driver supports RK805, RK809 and RK817, RK808 and RK818 crystal oscillator clock.
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These multi-function devices have two fixed-rate oscillators, clocked at 32KHz each.
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Clkout1 is always on, Clkout2 can off by control register.
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config COMMON_CLK_HI655X
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tristate "Clock driver for Hi655x" if EXPERT
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depends on (MFD_HI655X_PMIC || COMPILE_TEST)
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select REGMAP
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default MFD_HI655X_PMIC
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help
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This driver supports the hi655x PMIC clock. This
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multi-function device has one fixed-rate oscillator, clocked
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at 32KHz.
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config COMMON_CLK_SCMI
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tristate "Clock driver controlled via SCMI interface"
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depends on ARM_SCMI_PROTOCOL || COMPILE_TEST
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help
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This driver provides support for clocks that are controlled
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by firmware that implements the SCMI interface.
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This driver uses SCMI Message Protocol to interact with the
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firmware providing all the clock controls.
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config COMMON_CLK_SCPI
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tristate "Clock driver controlled via SCPI interface"
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depends on ARM_SCPI_PROTOCOL || COMPILE_TEST
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help
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This driver provides support for clocks that are controlled
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by firmware that implements the SCPI interface.
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This driver uses SCPI Message Protocol to interact with the
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firmware providing all the clock controls.
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config COMMON_CLK_SI5341
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tristate "Clock driver for SiLabs 5341 and 5340 A/B/C/D devices"
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depends on I2C
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select REGMAP_I2C
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help
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This driver supports Silicon Labs Si5341 and Si5340 programmable clock
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generators. Not all features of these chips are currently supported
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by the driver, in particular it only supports XTAL input. The chip can
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be pre-programmed to support other configurations and features not yet
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implemented in the driver.
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config COMMON_CLK_SI5351
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tristate "Clock driver for SiLabs 5351A/B/C"
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depends on I2C
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select REGMAP_I2C
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help
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This driver supports Silicon Labs 5351A/B/C programmable clock
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generators.
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config COMMON_CLK_SI514
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tristate "Clock driver for SiLabs 514 devices"
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depends on I2C
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depends on OF
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select REGMAP_I2C
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help
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This driver supports the Silicon Labs 514 programmable clock
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generator.
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config COMMON_CLK_SI544
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tristate "Clock driver for SiLabs 544 devices"
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depends on I2C
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select REGMAP_I2C
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help
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This driver supports the Silicon Labs 544 programmable clock
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generator.
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config COMMON_CLK_SI570
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tristate "Clock driver for SiLabs 570 and compatible devices"
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depends on I2C
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depends on OF
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select REGMAP_I2C
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help
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This driver supports Silicon Labs 570/571/598/599 programmable
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clock generators.
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config COMMON_CLK_BM1880
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bool "Clock driver for Bitmain BM1880 SoC"
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depends on ARCH_BITMAIN || COMPILE_TEST
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default ARCH_BITMAIN
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help
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This driver supports the clocks on Bitmain BM1880 SoC.
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config COMMON_CLK_CDCE706
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tristate "Clock driver for TI CDCE706 clock synthesizer"
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depends on I2C
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select REGMAP_I2C
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help
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This driver supports TI CDCE706 programmable 3-PLL clock synthesizer.
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config COMMON_CLK_TPS68470
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tristate "Clock Driver for TI TPS68470 PMIC"
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depends on I2C
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depends on INTEL_SKL_INT3472 || COMPILE_TEST
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select REGMAP_I2C
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help
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This driver supports the clocks provided by the TPS68470 PMIC.
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config COMMON_CLK_CDCE925
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tristate "Clock driver for TI CDCE913/925/937/949 devices"
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depends on I2C
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depends on OF
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select REGMAP_I2C
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help
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This driver supports the TI CDCE913/925/937/949 programmable clock
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synthesizer. Each chip has different number of PLLs and outputs.
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For example, the CDCE925 contains two PLLs with spread-spectrum
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clocking support and five output dividers. The driver only supports
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the following setup, and uses a fixed setting for the output muxes.
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Y1 is derived from the input clock
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Y2 and Y3 derive from PLL1
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Y4 and Y5 derive from PLL2
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Given a target output frequency, the driver will set the PLL and
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divider to best approximate the desired output.
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config COMMON_CLK_CS2000_CP
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tristate "Clock driver for CS2000 Fractional-N Clock Synthesizer & Clock Multiplier"
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depends on I2C
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select REGMAP_I2C
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help
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If you say yes here you get support for the CS2000 clock multiplier.
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config COMMON_CLK_EN7523
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bool "Clock driver for Airoha EN7523 SoC system clocks"
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depends on OF
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depends on ARCH_AIROHA || COMPILE_TEST
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default ARCH_AIROHA
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help
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This driver provides the fixed clocks and gates present on Airoha
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ARM silicon.
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config COMMON_CLK_FSL_FLEXSPI
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tristate "Clock driver for FlexSPI on Layerscape SoCs"
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depends on ARCH_LAYERSCAPE || COMPILE_TEST
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default ARCH_LAYERSCAPE && SPI_NXP_FLEXSPI
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help
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On Layerscape SoCs there is a special clock for the FlexSPI
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interface.
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config COMMON_CLK_FSL_SAI
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bool "Clock driver for BCLK of Freescale SAI cores"
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depends on ARCH_LAYERSCAPE || COMPILE_TEST
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help
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This driver supports the Freescale SAI (Synchronous Audio Interface)
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to be used as a generic clock output. Some SoCs have restrictions
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regarding the possible pin multiplexer settings. Eg. on some SoCs
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two SAI interfaces can only be enabled together. If just one is
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needed, the BCLK pin of the second one can be used as general
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purpose clock output. Ideally, it can be used to drive an audio
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codec (sometimes known as MCLK).
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config COMMON_CLK_GEMINI
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bool "Clock driver for Cortina Systems Gemini SoC"
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depends on ARCH_GEMINI || COMPILE_TEST
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select MFD_SYSCON
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select RESET_CONTROLLER
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help
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This driver supports the SoC clocks on the Cortina Systems Gemini
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platform, also known as SL3516 or CS3516.
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config COMMON_CLK_LAN966X
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tristate "Generic Clock Controller driver for LAN966X SoC"
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depends on HAS_IOMEM
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depends on OF
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depends on SOC_LAN966 || COMPILE_TEST
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help
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This driver provides support for Generic Clock Controller(GCK) on
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LAN966X SoC. GCK generates and supplies clock to various peripherals
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within the SoC.
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config COMMON_CLK_ASPEED
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bool "Clock driver for Aspeed BMC SoCs"
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depends on ARCH_ASPEED || COMPILE_TEST
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default ARCH_ASPEED
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select MFD_SYSCON
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select RESET_CONTROLLER
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help
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This driver supports the SoC clocks on the Aspeed BMC platforms.
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The G4 and G5 series, including the ast2400 and ast2500, are supported
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by this driver.
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config COMMON_CLK_S2MPS11
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tristate "Clock driver for S2MPS1X/S5M8767 MFD"
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depends on MFD_SEC_CORE || COMPILE_TEST
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help
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This driver supports S2MPS11/S2MPS14/S5M8767 crystal oscillator
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clock. These multi-function devices have two (S2MPS14) or three
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(S2MPS11, S5M8767) fixed-rate oscillators, clocked at 32KHz each.
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config CLK_TWL6040
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tristate "External McPDM functional clock from twl6040"
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depends on TWL6040_CORE
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help
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Enable the external functional clock support on OMAP4+ platforms for
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McPDM. McPDM module is using the external bit clock on the McPDM bus
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as functional clock.
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config COMMON_CLK_AXI_CLKGEN
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tristate "AXI clkgen driver"
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depends on HAS_IOMEM || COMPILE_TEST
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depends on OF
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help
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Support for the Analog Devices axi-clkgen pcore clock generator for Xilinx
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FPGAs. It is commonly used in Analog Devices' reference designs.
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config CLK_QORIQ
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bool "Clock driver for Freescale QorIQ platforms"
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depends on OF
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depends on PPC_E500MC || SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST
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help
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This adds the clock driver support for Freescale QorIQ platforms
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using common clock framework.
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config CLK_LS1028A_PLLDIG
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tristate "Clock driver for LS1028A Display output"
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depends on ARCH_LAYERSCAPE || COMPILE_TEST
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default ARCH_LAYERSCAPE
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help
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This driver support the Display output interfaces(LCD, DPHY) pixel clocks
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of the QorIQ Layerscape LS1028A, as implemented TSMC CLN28HPM PLL. Not all
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features of the PLL are currently supported by the driver. By default,
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configured bypass mode with this PLL.
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config COMMON_CLK_XGENE
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bool "Clock driver for APM XGene SoC"
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default ARCH_XGENE
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depends on ARM64 || COMPILE_TEST
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help
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Support for the APM X-Gene SoC reference, PLL, and device clocks.
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config COMMON_CLK_LOCHNAGAR
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tristate "Cirrus Logic Lochnagar clock driver"
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depends on MFD_LOCHNAGAR
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help
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This driver supports the clocking features of the Cirrus Logic
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Lochnagar audio development board.
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config COMMON_CLK_NXP
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def_bool COMMON_CLK && (ARCH_LPC18XX || ARCH_LPC32XX)
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select REGMAP_MMIO if ARCH_LPC32XX
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select MFD_SYSCON if ARCH_LPC18XX
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help
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Support for clock providers on NXP platforms.
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config COMMON_CLK_PALMAS
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tristate "Clock driver for TI Palmas devices"
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depends on MFD_PALMAS
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help
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This driver supports TI Palmas devices 32KHz output KG and KG_AUDIO
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using common clock framework.
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config COMMON_CLK_PWM
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tristate "Clock driver for PWMs used as clock outputs"
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depends on PWM
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help
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Adapter driver so that any PWM output can be (mis)used as clock signal
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at 50% duty cycle.
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config COMMON_CLK_PXA
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def_bool COMMON_CLK && ARCH_PXA
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help
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Support for the Marvell PXA SoC.
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config COMMON_CLK_OXNAS
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bool "Clock driver for the OXNAS SoC Family"
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depends on ARCH_OXNAS || COMPILE_TEST
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select MFD_SYSCON
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help
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Support for the OXNAS SoC Family clocks.
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config COMMON_CLK_RS9_PCIE
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tristate "Clock driver for Renesas 9-series PCIe clock generators"
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depends on I2C
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depends on OF
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select REGMAP_I2C
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help
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This driver supports the Renesas 9-series PCIe clock generator
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models 9FGV/9DBV/9DMV/9FGL/9DML/9QXL/9SQ.
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config COMMON_CLK_VC5
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tristate "Clock driver for IDT VersaClock 5,6 devices"
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depends on I2C
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depends on OF
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select REGMAP_I2C
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help
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This driver supports the IDT VersaClock 5 and VersaClock 6
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programmable clock generators.
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config COMMON_CLK_VC7
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tristate "Clock driver for Renesas Versaclock 7 devices"
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depends on I2C
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depends on OF
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select REGMAP_I2C
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help
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Renesas Versaclock7 is a family of configurable clock generator
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and jitter attenuator ICs with fractional and integer dividers.
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config COMMON_CLK_STM32MP135
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def_bool COMMON_CLK && MACH_STM32MP13
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help
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Support for stm32mp135 SoC family clocks
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config COMMON_CLK_STM32MP157
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def_bool COMMON_CLK && MACH_STM32MP157
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help
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Support for stm32mp157 SoC family clocks
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config COMMON_CLK_STM32F
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def_bool COMMON_CLK && (MACH_STM32F429 || MACH_STM32F469 || MACH_STM32F746)
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help
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Support for stm32f4 and stm32f7 SoC families clocks
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config COMMON_CLK_STM32H7
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def_bool COMMON_CLK && MACH_STM32H743
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help
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Support for stm32h7 SoC family clocks
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config COMMON_CLK_MMP2
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def_bool COMMON_CLK && (MACH_MMP2_DT || MACH_MMP3_DT)
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help
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Support for Marvell MMP2 and MMP3 SoC clocks
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config COMMON_CLK_MMP2_AUDIO
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tristate "Clock driver for MMP2 Audio subsystem"
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depends on COMMON_CLK_MMP2 || COMPILE_TEST
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help
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This driver supports clocks for Audio subsystem on MMP2 SoC.
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config COMMON_CLK_BD718XX
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tristate "Clock driver for 32K clk gates on ROHM PMICs"
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depends on MFD_ROHM_BD718XX || MFD_ROHM_BD71828
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help
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This driver supports ROHM BD71837, BD71847, BD71850, BD71815
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and BD71828 PMICs clock gates.
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config COMMON_CLK_FIXED_MMIO
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bool "Clock driver for Memory Mapped Fixed values"
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depends on COMMON_CLK && OF
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depends on HAS_IOMEM
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help
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Support for Memory Mapped IO Fixed clocks
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config COMMON_CLK_K210
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bool "Clock driver for the Canaan Kendryte K210 SoC"
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depends on OF && RISCV && SOC_CANAAN
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default SOC_CANAAN
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help
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Support for the Canaan Kendryte K210 RISC-V SoC clocks.
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source "drivers/clk/actions/Kconfig"
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source "drivers/clk/analogbits/Kconfig"
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source "drivers/clk/baikal-t1/Kconfig"
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source "drivers/clk/bcm/Kconfig"
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source "drivers/clk/hisilicon/Kconfig"
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source "drivers/clk/imgtec/Kconfig"
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source "drivers/clk/imx/Kconfig"
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source "drivers/clk/ingenic/Kconfig"
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source "drivers/clk/keystone/Kconfig"
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source "drivers/clk/mediatek/Kconfig"
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source "drivers/clk/meson/Kconfig"
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source "drivers/clk/mstar/Kconfig"
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source "drivers/clk/microchip/Kconfig"
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source "drivers/clk/mvebu/Kconfig"
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source "drivers/clk/pistachio/Kconfig"
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source "drivers/clk/qcom/Kconfig"
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source "drivers/clk/ralink/Kconfig"
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source "drivers/clk/renesas/Kconfig"
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source "drivers/clk/rockchip/Kconfig"
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source "drivers/clk/samsung/Kconfig"
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source "drivers/clk/sifive/Kconfig"
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source "drivers/clk/socfpga/Kconfig"
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source "drivers/clk/sprd/Kconfig"
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source "drivers/clk/starfive/Kconfig"
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source "drivers/clk/sunxi/Kconfig"
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source "drivers/clk/sunxi-ng/Kconfig"
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source "drivers/clk/tegra/Kconfig"
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source "drivers/clk/ti/Kconfig"
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source "drivers/clk/uniphier/Kconfig"
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source "drivers/clk/visconti/Kconfig"
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source "drivers/clk/x86/Kconfig"
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source "drivers/clk/xilinx/Kconfig"
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source "drivers/clk/zynqmp/Kconfig"
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# Kunit test cases
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config CLK_KUNIT_TEST
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tristate "Basic Clock Framework Kunit Tests" if !KUNIT_ALL_TESTS
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depends on KUNIT
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default KUNIT_ALL_TESTS
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help
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Kunit tests for the common clock framework.
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config CLK_GATE_KUNIT_TEST
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tristate "Basic gate type Kunit test" if !KUNIT_ALL_TESTS
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depends on KUNIT
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default KUNIT_ALL_TESTS
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help
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Kunit test for the basic clk gate type.
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endif
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