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" 15f0776a55SPhilipp Tomsich depends on CLK && 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 23*7c819e7fSPhilipp Tomsichconfig TPL_CLK 24*7c819e7fSPhilipp Tomsich bool "Enable clock support in TPL" 25*7c819e7fSPhilipp Tomsich depends on CLK && TPL_DM 26*7c819e7fSPhilipp Tomsich help 27*7c819e7fSPhilipp Tomsich The clock subsystem adds a small amount of overhead to the image. 28*7c819e7fSPhilipp Tomsich If this is acceptable and you have a need to use clock drivers in 29*7c819e7fSPhilipp Tomsich SPL, enable this option. It might provide a cleaner interface to 30*7c819e7fSPhilipp Tomsich setting up clocks within TPL, and allows the same drivers to be 31*7c819e7fSPhilipp Tomsich used as U-Boot proper. 32*7c819e7fSPhilipp 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 493a64b253SStefan Herbrechtsmeierconfig CLK_ZYNQ 503a64b253SStefan Herbrechtsmeier bool "Enable clock driver support for Zynq" 513a64b253SStefan Herbrechtsmeier depends on CLK && ARCH_ZYNQ 523a64b253SStefan Herbrechtsmeier default y 533a64b253SStefan Herbrechtsmeier help 543a64b253SStefan Herbrechtsmeier This clock driver adds support for clock realted settings for 553a64b253SStefan Herbrechtsmeier Zynq platform. 563a64b253SStefan Herbrechtsmeier 57128ec1feSSiva Durga Prasad Paladuguconfig CLK_ZYNQMP 58128ec1feSSiva Durga Prasad Paladugu bool "Enable clock driver support for ZynqMP" 59128ec1feSSiva Durga Prasad Paladugu depends on ARCH_ZYNQMP 60128ec1feSSiva Durga Prasad Paladugu help 61128ec1feSSiva Durga Prasad Paladugu This clock driver adds support for clock realted settings for 62128ec1feSSiva Durga Prasad Paladugu ZynqMP platform. 63128ec1feSSiva Durga Prasad Paladugu 64d9fd7008SStephen Warrensource "drivers/clk/tegra/Kconfig" 6548264d9bSMasahiro Yamadasource "drivers/clk/uniphier/Kconfig" 66166097e8SThomas Abrahamsource "drivers/clk/exynos/Kconfig" 679e5935c0SWenyou Yangsource "drivers/clk/at91/Kconfig" 6836c2ee4cSMarek Vasutsource "drivers/clk/renesas/Kconfig" 6948264d9bSMasahiro Yamada 7081385818SMasahiro Yamadaendmenu 71