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- menu "Clock"
- config CLK
- bool "Enable clock driver support"
- depends on DM
- help
- This allows drivers to be provided for clock generators, including
- oscillators and PLLs. Devices can use a common clock API to request
- a particular clock rate and check on available clocks. Clocks can
- feed into other clocks in a tree structure, with multiplexers to
- choose the source for each clock.
- config SPL_CLK
- bool "Enable clock support in SPL"
- depends on CLK && SPL && SPL_DM
- help
- The clock subsystem adds a small amount of overhead to the image.
- If this is acceptable and you have a need to use clock drivers in
- SPL, enable this option. It might provide a cleaner interface to
- setting up clocks within SPL, and allows the same drivers to be
- used as U-Boot proper.
- config TPL_CLK
- bool "Enable clock support in TPL"
- depends on CLK && TPL_DM
- help
- The clock subsystem adds a small amount of overhead to the image.
- If this is acceptable and you have a need to use clock drivers in
- SPL, enable this option. It might provide a cleaner interface to
- setting up clocks within TPL, and allows the same drivers to be
- used as U-Boot proper.
- config CLK_BCM6345
- bool "Clock controller driver for BCM6345"
- depends on CLK && ARCH_BMIPS
- default y
- help
- This clock driver adds support for enabling and disabling peripheral
- clocks on BCM6345 SoCs. HW has no rate changing capabilities.
- config CLK_BOSTON
- def_bool y if TARGET_BOSTON
- depends on CLK
- select REGMAP
- select SYSCON
- help
- Enable this to support the clocks
- config SPL_CLK_CCF
- bool "SPL Common Clock Framework [CCF] support "
- depends on SPL
- help
- Enable this option if you want to (re-)use the Linux kernel's Common
- Clock Framework [CCF] code in U-Boot's SPL.
- config SPL_CLK_COMPOSITE_CCF
- bool "SPL Common Clock Framework [CCF] composite clk support "
- depends on SPL_CLK_CCF
- help
- Enable this option if you want to (re-)use the Linux kernel's Common
- Clock Framework [CCF] composite code in U-Boot's SPL.
- config CLK_CCF
- bool "Common Clock Framework [CCF] support "
- help
- Enable this option if you want to (re-)use the Linux kernel's Common
- Clock Framework [CCF] code in U-Boot's clock driver.
- config CLK_COMPOSITE_CCF
- bool "Common Clock Framework [CCF] composite clk support "
- depends on CLK_CCF
- help
- Enable this option if you want to (re-)use the Linux kernel's Common
- Clock Framework [CCF] composite code in U-Boot's clock driver.
- config CLK_INTEL
- bool "Enable clock driver for Intel x86"
- depends on CLK && X86
- help
- This provides very basic support for clocks on Intel SoCs. The driver
- is barely used at present but could be expanded as needs arise.
- Much clock configuration in U-Boot is either set up by the FSP, or
- set up by U-Boot itself but only statically. Thus the driver does not
- support changing clock rates, only querying them.
- config CLK_OCTEON
- bool "Clock controller driver for Marvell MIPS Octeon"
- depends on CLK && ARCH_OCTEON
- default y
- help
- Enable this to support the clocks on Octeon MIPS platforms.
- config CLK_STM32F
- bool "Enable clock driver support for STM32F family"
- depends on CLK && (STM32F7 || STM32F4)
- default y
- help
- This clock driver adds support for RCC clock management
- for STM32F4 and STM32F7 SoCs.
- config CLK_TI_SCI
- bool "TI System Control Interface (TI SCI) clock driver"
- depends on CLK && TI_SCI_PROTOCOL && OF_CONTROL
- help
- This enables the clock driver support over TI System Control Interface
- available on some new TI's SoCs. If you wish to use clock resources
- managed by the TI System Controller, say Y here. Otherwise, say N.
- config CLK_HSDK
- bool "Enable cgu clock driver for HSDK boards"
- depends on CLK && TARGET_HSDK
- help
- Enable this to support the cgu clocks on Synopsys ARC HSDK and
- Synopsys ARC HSDK-4xD boards
- config CLK_VERSAL
- bool "Enable clock driver support for Versal"
- depends on ARCH_VERSAL
- select ZYNQMP_FIRMWARE
- help
- This clock driver adds support for clock realted settings for
- Versal platform.
- config CLK_VEXPRESS_OSC
- bool "Enable driver for Arm Versatile Express OSC clock generators"
- depends on CLK && VEXPRESS_CONFIG
- help
- This clock driver adds support for clock generators present on
- Arm Versatile Express platforms.
- config CLK_ZYNQ
- bool "Enable clock driver support for Zynq"
- depends on CLK && ARCH_ZYNQ
- default y
- help
- This clock driver adds support for clock realted settings for
- Zynq platform.
- config CLK_ZYNQMP
- bool "Enable clock driver support for ZynqMP"
- depends on ARCH_ZYNQMP
- select ZYNQMP_FIRMWARE
- help
- This clock driver adds support for clock realted settings for
- ZynqMP platform.
- config CLK_STM32MP1
- bool "Enable RCC clock driver for STM32MP1"
- depends on ARCH_STM32MP && CLK
- default y
- help
- Enable the STM32 clock (RCC) driver. Enable support for
- manipulating STM32MP1's on-SoC clocks.
- config CLK_CDCE9XX
- bool "Enable CDCD9XX clock driver"
- depends on CLK
- help
- Enable the clock synthesizer driver for CDCE913/925/937/949
- series of chips.
- config CLK_SCMI
- bool "Enable SCMI clock driver"
- depends on SCMI_FIRMWARE
- help
- Enable this option if you want to support clock devices exposed
- by a SCMI agent based on SCMI clock protocol communication
- with a SCMI server.
- source "drivers/clk/analogbits/Kconfig"
- source "drivers/clk/at91/Kconfig"
- source "drivers/clk/exynos/Kconfig"
- source "drivers/clk/imx/Kconfig"
- source "drivers/clk/kendryte/Kconfig"
- source "drivers/clk/meson/Kconfig"
- source "drivers/clk/mvebu/Kconfig"
- source "drivers/clk/owl/Kconfig"
- source "drivers/clk/renesas/Kconfig"
- source "drivers/clk/sunxi/Kconfig"
- source "drivers/clk/sifive/Kconfig"
- source "drivers/clk/tegra/Kconfig"
- source "drivers/clk/uniphier/Kconfig"
- config ICS8N3QV01
- bool "Enable ICS8N3QV01 VCXO driver"
- depends on CLK
- help
- Support for the ICS8N3QV01 Quad-Frequency VCXO (Voltage-Controlled
- Crystal Oscillator). The output frequency can be programmed via an
- I2C interface.
- config CLK_MPC83XX
- bool "Enable MPC83xx clock driver"
- depends on CLK
- help
- Support for the clock driver of the MPC83xx series of SoCs.
- config SANDBOX_CLK_CCF
- bool "Sandbox Common Clock Framework [CCF] support "
- depends on SANDBOX
- select CLK_CCF
- help
- Enable this option if you want to test the Linux kernel's Common
- Clock Framework [CCF] code in U-Boot's Sandbox clock driver.
- endmenu
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