menu "Clock"
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config CLK
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bool "Enable clock driver support"
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depends on DM
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help
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This allows drivers to be provided for clock generators, including
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oscillators and PLLs. Devices can use a common clock API to request
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a particular clock rate and check on available clocks. Clocks can
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feed into other clocks in a tree structure, with multiplexers to
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choose the source for each clock.
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config SPL_CLK
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bool "Enable clock support in SPL"
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depends on CLK && SPL && SPL_DM
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help
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The clock subsystem adds a small amount of overhead to the image.
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If this is acceptable and you have a need to use clock drivers in
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SPL, enable this option. It might provide a cleaner interface to
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setting up clocks within SPL, and allows the same drivers to be
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used as U-Boot proper.
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config TPL_CLK
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bool "Enable clock support in TPL"
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depends on CLK && TPL_DM
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help
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The clock subsystem adds a small amount of overhead to the image.
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If this is acceptable and you have a need to use clock drivers in
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SPL, enable this option. It might provide a cleaner interface to
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setting up clocks within TPL, and allows the same drivers to be
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used as U-Boot proper.
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config CLK_BCM6345
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bool "Clock controller driver for BCM6345"
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depends on CLK && ARCH_BMIPS
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default y
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help
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This clock driver adds support for enabling and disabling peripheral
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clocks on BCM6345 SoCs. HW has no rate changing capabilities.
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config CLK_BOSTON
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def_bool y if TARGET_BOSTON
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depends on CLK
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select REGMAP
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select SYSCON
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help
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Enable this to support the clocks
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config CLK_ZYNQ
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bool "Enable clock driver support for Zynq"
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depends on CLK && ARCH_ZYNQ
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default y
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help
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This clock driver adds support for clock realted settings for
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Zynq platform.
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config CLK_ZYNQMP
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bool "Enable clock driver support for ZynqMP"
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depends on ARCH_ZYNQMP
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help
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This clock driver adds support for clock realted settings for
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ZynqMP platform.
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config CLK_SCMI
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bool "Enable SCMI clock driver"
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depends on SCMI_FIRMWARE
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help
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Enable this option if you want to support clock devices exposed
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by a SCMI agent based on SCMI clock protocol communication
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with a SCMI server.
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config SPL_CLK_SCMI
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bool "Enable SCMI clock driver in SPL"
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depends on SPL_SCMI_FIRMWARE
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help
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Enable this option in SPL if you want to support clock devices exposed
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by a SCMI agent based on SCMI clock protocol communication
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with a SCMI server.
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source "drivers/clk/tegra/Kconfig"
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source "drivers/clk/uniphier/Kconfig"
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source "drivers/clk/exynos/Kconfig"
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source "drivers/clk/at91/Kconfig"
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source "drivers/clk/renesas/Kconfig"
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source "drivers/clk/rockchip/Kconfig"
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endmenu
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