1menu "Clock" 2 3config CLK 4 bool "Enable clock driver support" 5 depends on DM 6 help 7 This allows drivers to be provided for clock generators, including 8 oscillators and PLLs. Devices can use a common clock API to request 9 a particular clock rate and check on available clocks. Clocks can 10 feed into other clocks in a tree structure, with multiplexers to 11 choose the source for each clock. 12 13config SPL_CLK 14 bool "Enable clock support in SPL" 15 depends on CLK && SPL && SPL_DM 16 help 17 The clock subsystem adds a small amount of overhead to the image. 18 If this is acceptable and you have a need to use clock drivers in 19 SPL, enable this option. It might provide a cleaner interface to 20 setting up clocks within SPL, and allows the same drivers to be 21 used as U-Boot proper. 22 23config TPL_CLK 24 bool "Enable clock support in TPL" 25 depends on CLK && TPL_DM 26 help 27 The clock subsystem adds a small amount of overhead to the image. 28 If this is acceptable and you have a need to use clock drivers in 29 SPL, enable this option. It might provide a cleaner interface to 30 setting up clocks within TPL, and allows the same drivers to be 31 used as U-Boot proper. 32 33config CLK_BCM6345 34 bool "Clock controller driver for BCM6345" 35 depends on CLK && ARCH_BMIPS 36 default y 37 help 38 This clock driver adds support for enabling and disabling peripheral 39 clocks on BCM6345 SoCs. HW has no rate changing capabilities. 40 41config CLK_BOSTON 42 def_bool y if TARGET_BOSTON 43 depends on CLK 44 select REGMAP 45 select SYSCON 46 help 47 Enable this to support the clocks 48 49config CLK_ZYNQ 50 bool "Enable clock driver support for Zynq" 51 depends on CLK && ARCH_ZYNQ 52 default y 53 help 54 This clock driver adds support for clock realted settings for 55 Zynq platform. 56 57config CLK_ZYNQMP 58 bool "Enable clock driver support for ZynqMP" 59 depends on ARCH_ZYNQMP 60 help 61 This clock driver adds support for clock realted settings for 62 ZynqMP platform. 63 64config CLK_SCMI 65 bool "Enable SCMI clock driver" 66 depends on SCMI_FIRMWARE 67 help 68 Enable this option if you want to support clock devices exposed 69 by a SCMI agent based on SCMI clock protocol communication 70 with a SCMI server. 71 72config SPL_CLK_SCMI 73 bool "Enable SCMI clock driver in SPL" 74 depends on SPL_SCMI_FIRMWARE 75 help 76 Enable this option in SPL if you want to support clock devices exposed 77 by a SCMI agent based on SCMI clock protocol communication 78 with a SCMI server. 79 80source "drivers/clk/tegra/Kconfig" 81source "drivers/clk/uniphier/Kconfig" 82source "drivers/clk/exynos/Kconfig" 83source "drivers/clk/at91/Kconfig" 84source "drivers/clk/renesas/Kconfig" 85source "drivers/clk/rockchip/Kconfig" 86 87endmenu 88