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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_CLK_IMX6Q
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 CLK_CCF
bool "Common Clock Framework [CCF] support "
depends on CLK_IMX6Q || SANDBOX_CLK_CCF
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_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"
depends on CLK
help
Enable this to support the cgu clocks on Synopsys ARC HSDK
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
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.
source "drivers/clk/analogbits/Kconfig"
source "drivers/clk/at91/Kconfig"
source "drivers/clk/exynos/Kconfig"
source "drivers/clk/imx/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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