181385818SMasahiro Yamadamenu "Clock" 281385818SMasahiro Yamada 3f26c8a8eSSimon Glassconfig CLK 4f26c8a8eSSimon Glass bool "Enable clock driver support" 5f26c8a8eSSimon Glass depends on DM 6f26c8a8eSSimon Glass help 7f26c8a8eSSimon Glass This allows drivers to be provided for clock generators, including 8f26c8a8eSSimon Glass oscillators and PLLs. Devices can use a common clock API to request 9f26c8a8eSSimon Glass a particular clock rate and check on available clocks. Clocks can 10f26c8a8eSSimon Glass feed into other clocks in a tree structure, with multiplexers to 11f26c8a8eSSimon Glass choose the source for each clock. 12f26c8a8eSSimon Glass 1305435891SMasahiro Yamadaconfig SPL_CLK 14f26c8a8eSSimon Glass bool "Enable clock support in SPL" 150712b672SWenyou Yang depends on CLK && SPL && SPL_DM 16f26c8a8eSSimon Glass help 17f26c8a8eSSimon Glass The clock subsystem adds a small amount of overhead to the image. 18f26c8a8eSSimon Glass If this is acceptable and you have a need to use clock drivers in 19f26c8a8eSSimon Glass SPL, enable this option. It might provide a cleaner interface to 20f26c8a8eSSimon Glass setting up clocks within SPL, and allows the same drivers to be 21f26c8a8eSSimon Glass used as U-Boot proper. 2281385818SMasahiro Yamada 237c819e7fSPhilipp Tomsichconfig TPL_CLK 247c819e7fSPhilipp Tomsich bool "Enable clock support in TPL" 257c819e7fSPhilipp Tomsich depends on CLK && TPL_DM 267c819e7fSPhilipp Tomsich help 277c819e7fSPhilipp Tomsich The clock subsystem adds a small amount of overhead to the image. 287c819e7fSPhilipp Tomsich If this is acceptable and you have a need to use clock drivers in 297c819e7fSPhilipp Tomsich SPL, enable this option. It might provide a cleaner interface to 307c819e7fSPhilipp Tomsich setting up clocks within TPL, and allows the same drivers to be 317c819e7fSPhilipp Tomsich used as U-Boot proper. 327c819e7fSPhilipp Tomsich 335357eb95SÁlvaro Fernández Rojasconfig CLK_BCM6345 345357eb95SÁlvaro Fernández Rojas bool "Clock controller driver for BCM6345" 355357eb95SÁlvaro Fernández Rojas depends on CLK && ARCH_BMIPS 365357eb95SÁlvaro Fernández Rojas default y 375357eb95SÁlvaro Fernández Rojas help 385357eb95SÁlvaro Fernández Rojas This clock driver adds support for enabling and disabling peripheral 395357eb95SÁlvaro Fernández Rojas clocks on BCM6345 SoCs. HW has no rate changing capabilities. 405357eb95SÁlvaro Fernández Rojas 41dd7c7494SPaul Burtonconfig CLK_BOSTON 42dd7c7494SPaul Burton def_bool y if TARGET_BOSTON 43dd7c7494SPaul Burton depends on CLK 44dd7c7494SPaul Burton select REGMAP 45dd7c7494SPaul Burton select SYSCON 46dd7c7494SPaul Burton help 47dd7c7494SPaul Burton Enable this to support the clocks 48dd7c7494SPaul Burton 49*f264e235SPatrice Chotardconfig CLK_STM32F 50*f264e235SPatrice Chotard bool "Enable clock driver support for STM32F family" 51*f264e235SPatrice Chotard depends on CLK && (STM32F7 || STM32F4) 52*f264e235SPatrice Chotard default y 53*f264e235SPatrice Chotard help 54*f264e235SPatrice Chotard This clock driver adds support for RCC clock management 55*f264e235SPatrice Chotard for STM32F4 and STM32F7 SoCs. 56*f264e235SPatrice Chotard 573a64b253SStefan Herbrechtsmeierconfig CLK_ZYNQ 583a64b253SStefan Herbrechtsmeier bool "Enable clock driver support for Zynq" 593a64b253SStefan Herbrechtsmeier depends on CLK && ARCH_ZYNQ 603a64b253SStefan Herbrechtsmeier default y 613a64b253SStefan Herbrechtsmeier help 623a64b253SStefan Herbrechtsmeier This clock driver adds support for clock realted settings for 633a64b253SStefan Herbrechtsmeier Zynq platform. 643a64b253SStefan Herbrechtsmeier 65128ec1feSSiva Durga Prasad Paladuguconfig CLK_ZYNQMP 66128ec1feSSiva Durga Prasad Paladugu bool "Enable clock driver support for ZynqMP" 67128ec1feSSiva Durga Prasad Paladugu depends on ARCH_ZYNQMP 68128ec1feSSiva Durga Prasad Paladugu help 69128ec1feSSiva Durga Prasad Paladugu This clock driver adds support for clock realted settings for 70128ec1feSSiva Durga Prasad Paladugu ZynqMP platform. 71128ec1feSSiva Durga Prasad Paladugu 72d9fd7008SStephen Warrensource "drivers/clk/tegra/Kconfig" 7348264d9bSMasahiro Yamadasource "drivers/clk/uniphier/Kconfig" 74166097e8SThomas Abrahamsource "drivers/clk/exynos/Kconfig" 759e5935c0SWenyou Yangsource "drivers/clk/at91/Kconfig" 7636c2ee4cSMarek Vasutsource "drivers/clk/renesas/Kconfig" 7748264d9bSMasahiro Yamada 7881385818SMasahiro Yamadaendmenu 79