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 49f264e235SPatrice Chotardconfig CLK_STM32F 50f264e235SPatrice Chotard bool "Enable clock driver support for STM32F family" 51f264e235SPatrice Chotard depends on CLK && (STM32F7 || STM32F4) 52f264e235SPatrice Chotard default y 53f264e235SPatrice Chotard help 54f264e235SPatrice Chotard This clock driver adds support for RCC clock management 55f264e235SPatrice Chotard for STM32F4 and STM32F7 SoCs. 56f264e235SPatrice Chotard 57e80dac0aSEugeniy Paltsevconfig CLK_HSDK 58e80dac0aSEugeniy Paltsev bool "Enable cgu clock driver for HSDK" 59e80dac0aSEugeniy Paltsev depends on CLK 60e80dac0aSEugeniy Paltsev help 61e80dac0aSEugeniy Paltsev Enable this to support the cgu clocks on Synopsys ARC HSDK 62e80dac0aSEugeniy Paltsev 633a64b253SStefan Herbrechtsmeierconfig CLK_ZYNQ 643a64b253SStefan Herbrechtsmeier bool "Enable clock driver support for Zynq" 653a64b253SStefan Herbrechtsmeier depends on CLK && ARCH_ZYNQ 663a64b253SStefan Herbrechtsmeier default y 673a64b253SStefan Herbrechtsmeier help 683a64b253SStefan Herbrechtsmeier This clock driver adds support for clock realted settings for 693a64b253SStefan Herbrechtsmeier Zynq platform. 703a64b253SStefan Herbrechtsmeier 71128ec1feSSiva Durga Prasad Paladuguconfig CLK_ZYNQMP 72128ec1feSSiva Durga Prasad Paladugu bool "Enable clock driver support for ZynqMP" 73128ec1feSSiva Durga Prasad Paladugu depends on ARCH_ZYNQMP 74128ec1feSSiva Durga Prasad Paladugu help 75128ec1feSSiva Durga Prasad Paladugu This clock driver adds support for clock realted settings for 76128ec1feSSiva Durga Prasad Paladugu ZynqMP platform. 77128ec1feSSiva Durga Prasad Paladugu 78a6151916SPatrick Delaunayconfig CLK_STM32MP1 79a6151916SPatrick Delaunay bool "Enable RCC clock driver for STM32MP1" 80a6151916SPatrick Delaunay depends on ARCH_STM32MP && CLK 81a6151916SPatrick Delaunay default y 82a6151916SPatrick Delaunay help 83a6151916SPatrick Delaunay Enable the STM32 clock (RCC) driver. Enable support for 84a6151916SPatrick Delaunay manipulating STM32MP1's on-SoC clocks. 85a6151916SPatrick Delaunay 86d9fd7008SStephen Warrensource "drivers/clk/tegra/Kconfig" 8748264d9bSMasahiro Yamadasource "drivers/clk/uniphier/Kconfig" 88166097e8SThomas Abrahamsource "drivers/clk/exynos/Kconfig" 899e5935c0SWenyou Yangsource "drivers/clk/at91/Kconfig" 9036c2ee4cSMarek Vasutsource "drivers/clk/renesas/Kconfig" 9182a248dfSMarek Behúnsource "drivers/clk/mvebu/Kconfig" 92*ae485b54SManivannan Sadhasivamsource "drivers/clk/owl/Kconfig" 9348264d9bSMasahiro Yamada 94f0bcbe6cSMario Sixconfig ICS8N3QV01 95f0bcbe6cSMario Six bool "Enable ICS8N3QV01 VCXO driver" 96f0bcbe6cSMario Six depends on CLK 97f0bcbe6cSMario Six help 98f0bcbe6cSMario Six Support for the ICS8N3QV01 Quad-Frequency VCXO (Voltage-Controlled 99f0bcbe6cSMario Six Crystal Oscillator). The output frequency can be programmed via an 100f0bcbe6cSMario Six I2C interface. 101f0bcbe6cSMario Six 10281385818SMasahiro Yamadaendmenu 103