| menu "Clock" |
| |
| config CLK |
| bool "Enable clock driver support" |
| depends on DM |
| help |
| This allows drivers to be provided for clock generators, including |
| oscillators and PLLs. Devices can use a common clock API to request |
| a particular clock rate and check on available clocks. Clocks can |
| feed into other clocks in a tree structure, with multiplexers to |
| choose the source for each clock. |
| |
| config SPL_CLK |
| bool "Enable clock support in SPL" |
| depends on CLK && SPL && SPL_DM |
| help |
| The clock subsystem adds a small amount of overhead to the image. |
| If this is acceptable and you have a need to use clock drivers in |
| SPL, enable this option. It might provide a cleaner interface to |
| setting up clocks within SPL, and allows the same drivers to be |
| used as U-Boot proper. |
| |
| config TPL_CLK |
| bool "Enable clock support in TPL" |
| depends on CLK && TPL_DM |
| help |
| The clock subsystem adds a small amount of overhead to the image. |
| If this is acceptable and you have a need to use clock drivers in |
| SPL, enable this option. It might provide a cleaner interface to |
| setting up clocks within TPL, and allows the same drivers to be |
| used as U-Boot proper. |
| |
| config VPL_CLK |
| bool "Enable clock support in VPL" |
| depends on CLK && VPL_DM |
| help |
| The clock subsystem adds a small amount of overhead to the image. |
| If this is acceptable and you have a need to use clock drivers in |
| SPL, enable this option. It might provide a cleaner interface to |
| setting up clocks within TPL, and allows the same drivers to be |
| used as U-Boot proper. |
| |
| config CLK_BCM6345 |
| bool "Clock controller driver for BCM6345" |
| depends on CLK && ARCH_BMIPS |
| default y |
| help |
| This clock driver adds support for enabling and disabling peripheral |
| clocks on BCM6345 SoCs. HW has no rate changing capabilities. |
| |
| config CLK_BOSTON |
| def_bool y if TARGET_BOSTON |
| depends on CLK |
| select REGMAP |
| select SYSCON |
| help |
| Enable this to support the clocks |
| |
| config SPL_CLK_CCF |
| bool "SPL Common Clock Framework [CCF] support " |
| depends on SPL |
| help |
| Enable this option if you want to (re-)use the Linux kernel's Common |
| Clock Framework [CCF] code in U-Boot's SPL. |
| |
| config SPL_CLK_COMPOSITE_CCF |
| bool "SPL Common Clock Framework [CCF] composite clk support " |
| depends on SPL_CLK_CCF |
| help |
| Enable this option if you want to (re-)use the Linux kernel's Common |
| Clock Framework [CCF] composite code in U-Boot's SPL. |
| |
| config CLK_CCF |
| bool "Common Clock Framework [CCF] support " |
| help |
| Enable this option if you want to (re-)use the Linux kernel's Common |
| Clock Framework [CCF] code in U-Boot's clock driver. |
| |
| config CLK_COMPOSITE_CCF |
| bool "Common Clock Framework [CCF] composite clk support " |
| depends on CLK_CCF |
| help |
| Enable this option if you want to (re-)use the Linux kernel's Common |
| Clock Framework [CCF] composite code in U-Boot's clock driver. |
| |
| config CLK_BCM6345 |
| bool "Clock controller driver for BCM6345" |
| depends on CLK && ARCH_BMIPS |
| default y |
| help |
| This clock driver adds support for enabling and disabling peripheral |
| clocks on BCM6345 SoCs. HW has no rate changing capabilities. |
| |
| config CLK_BOSTON |
| def_bool y if TARGET_BOSTON |
| depends on CLK |
| select REGMAP |
| select SYSCON |
| help |
| Enable this to support the clocks |
| |
| config CLK_CDCE9XX |
| bool "Enable CDCD9XX clock driver" |
| depends on CLK |
| help |
| Enable the clock synthesizer driver for CDCE913/925/937/949 |
| series of chips. |
| |
| config CLK_ICS8N3QV01 |
| bool "Enable ICS8N3QV01 VCXO driver" |
| depends on CLK |
| help |
| Support for the ICS8N3QV01 Quad-Frequency VCXO (Voltage-Controlled |
| Crystal Oscillator). The output frequency can be programmed via an |
| I2C interface. |
| |
| config CLK_INTEL |
| bool "Enable clock driver for Intel x86" |
| depends on CLK && X86 |
| help |
| This provides very basic support for clocks on Intel SoCs. The driver |
| is barely used at present but could be expanded as needs arise. |
| Much clock configuration in U-Boot is either set up by the FSP, or |
| set up by U-Boot itself but only statically. Thus the driver does not |
| support changing clock rates, only querying them. |
| |
| config CLK_K210 |
| bool "Clock support for Kendryte K210" |
| depends on CLK |
| help |
| This enables support clock driver for Kendryte K210 platforms. |
| |
| config CLK_K210_SET_RATE |
| bool "Enable setting the Kendryte K210 PLL rate" |
| depends on CLK_K210 |
| help |
| Add functionality to calculate new rates for K210 PLLs. Enabling this |
| feature adds around 1K to U-Boot's final size. |
| |
| config CLK_MPC83XX |
| bool "Enable MPC83xx clock driver" |
| depends on CLK |
| help |
| Support for the clock driver of the MPC83xx series of SoCs. |
| |
| config CLK_OCTEON |
| bool "Clock controller driver for Marvell MIPS Octeon" |
| depends on CLK && ARCH_OCTEON |
| default y |
| help |
| Enable this to support the clocks on Octeon MIPS platforms. |
| |
| config SANDBOX_CLK_CCF |
| bool "Sandbox Common Clock Framework [CCF] support " |
| depends on SANDBOX |
| select CLK_CCF |
| help |
| Enable this option if you want to test the Linux kernel's Common |
| Clock Framework [CCF] code in U-Boot's Sandbox clock driver. |
| |
| config CLK_SCMI |
| bool "Enable SCMI clock driver" |
| depends on SCMI_FIRMWARE |
| help |
| Enable this option if you want to support clock devices exposed |
| by a SCMI agent based on SCMI clock protocol communication |
| with a SCMI server. |
| |
| config SPL_CLK_SCMI |
| bool "Enable SCMI clock driver in SPL" |
| depends on SCMI_FIRMWARE && SPL_FIRMWARE |
| help |
| Enable this option if you want to support clock devices exposed |
| by a SCMI agent based on SCMI clock protocol communication |
| with a SCMI server in SPL. |
| |
| config CLK_HSDK |
| bool "Enable cgu clock driver for HSDK boards" |
| depends on CLK && TARGET_HSDK |
| help |
| Enable this to support the cgu clocks on Synopsys ARC HSDK and |
| Synopsys ARC HSDK-4xD boards |
| |
| config CLK_VERSACLOCK |
| tristate "Enable VersaClock 5/6 devices" |
| depends on CLK |
| depends on CLK_CCF |
| depends on OF_CONTROL |
| help |
| This driver supports the IDT VersaClock 5 and VersaClock 6 |
| programmable clock generators. |
| |
| config CLK_VERSAL |
| bool "Enable clock driver support for Versal" |
| depends on (ARCH_VERSAL || ARCH_VERSAL_NET) |
| imply ZYNQMP_FIRMWARE |
| help |
| This clock driver adds support for clock realted settings for |
| Versal platform. |
| |
| config CLK_VEXPRESS_OSC |
| bool "Enable driver for Arm Versatile Express OSC clock generators" |
| depends on CLK && VEXPRESS_CONFIG |
| help |
| This clock driver adds support for clock generators present on |
| Arm Versatile Express platforms. |
| |
| config CLK_XLNX_CLKWZRD |
| bool "Xilinx Clocking Wizard" |
| depends on CLK |
| help |
| Support for the Xilinx Clocking Wizard IP core clock generator. |
| The wizard support for dynamically reconfiguring the clocking |
| primitives for Multiply, Divide, Phase Shift/Offset, or Duty |
| Cycle. Limited by U-Boot clk uclass without set_phase API and |
| set_duty_cycle API, this driver only supports set_rate to modify |
| the frequency. |
| |
| config CLK_ZYNQ |
| bool "Enable clock driver support for Zynq" |
| depends on CLK && ARCH_ZYNQ |
| default y |
| help |
| This clock driver adds support for clock related settings for |
| Zynq platform. |
| |
| config CLK_ZYNQMP |
| bool "Enable clock driver support for ZynqMP" |
| depends on ARCH_ZYNQMP |
| imply ZYNQMP_FIRMWARE |
| help |
| This clock driver adds support for clock realted settings for |
| ZynqMP platform. |
| |
| source "drivers/clk/analogbits/Kconfig" |
| source "drivers/clk/at91/Kconfig" |
| source "drivers/clk/exynos/Kconfig" |
| source "drivers/clk/imx/Kconfig" |
| source "drivers/clk/meson/Kconfig" |
| source "drivers/clk/microchip/Kconfig" |
| source "drivers/clk/mvebu/Kconfig" |
| source "drivers/clk/owl/Kconfig" |
| source "drivers/clk/renesas/Kconfig" |
| source "drivers/clk/sunxi/Kconfig" |
| source "drivers/clk/sifive/Kconfig" |
| source "drivers/clk/stm32/Kconfig" |
| source "drivers/clk/tegra/Kconfig" |
| source "drivers/clk/ti/Kconfig" |
| source "drivers/clk/uniphier/Kconfig" |
| |
| endmenu |