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| author | Gabriel Fernandez <gabriel.fernandez@foss.st.com> | 2023-12-08 15:36:58 +0100 |
|---|---|---|
| committer | Stephen Boyd <sboyd@kernel.org> | 2023-12-18 00:33:26 +0100 |
| commit | b5be49db3d47eae30998174410a0eaac9816c0cf (patch) | |
| tree | 8b4e7b6727d039cfdae61ae9464d40d73f79c5e2 /Documentation | |
| parent | clk: stm32mp1: use stm32mp13 reset driver (diff) | |
| download | linux-b5be49db3d47eae30998174410a0eaac9816c0cf.tar.xz linux-b5be49db3d47eae30998174410a0eaac9816c0cf.zip | |
dt-bindings: stm32: add clocks and reset binding for stm32mp25 platform
Adds clock and reset binding entries for STM32MP25 SoC family
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@foss.st.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20231208143700.354785-4-gabriel.fernandez@foss.st.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml b/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml new file mode 100644 index 000000000000..7732e79a42b9 --- /dev/null +++ b/Documentation/devicetree/bindings/clock/st,stm32mp25-rcc.yaml @@ -0,0 +1,76 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/clock/st,stm32mp25-rcc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: STM32MP25 Reset Clock Controller + +maintainers: + - Gabriel Fernandez <gabriel.fernandez@foss.st.com> + +description: | + The RCC hardware block is both a reset and a clock controller. + RCC makes also power management (resume/supend). + + See also:: + include/dt-bindings/clock/st,stm32mp25-rcc.h + include/dt-bindings/reset/st,stm32mp25-rcc.h + +properties: + compatible: + enum: + - st,stm32mp25-rcc + + reg: + maxItems: 1 + + '#clock-cells': + const: 1 + + '#reset-cells': + const: 1 + + clocks: + items: + - description: CK_SCMI_HSE High Speed External oscillator (8 to 48 MHz) + - description: CK_SCMI_HSI High Speed Internal oscillator (~ 64 MHz) + - description: CK_SCMI_MSI Low Power Internal oscillator (~ 4 MHz or ~ 16 MHz) + - description: CK_SCMI_LSE Low Speed External oscillator (32 KHz) + - description: CK_SCMI_LSI Low Speed Internal oscillator (~ 32 KHz) + + clock-names: + items: + - const: hse + - const: hsi + - const: msi + - const: lse + - const: lsi + +required: + - compatible + - reg + - '#clock-cells' + - '#reset-cells' + - clocks + - clock-names + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/st,stm32mp25-rcc.h> + + rcc: clock-controller@44200000 { + compatible = "st,stm32mp25-rcc"; + reg = <0x44200000 0x10000>; + #clock-cells = <1>; + #reset-cells = <1>; + clock-names = "hse", "hsi", "msi", "lse", "lsi"; + clocks = <&scmi_clk CK_SCMI_HSE>, + <&scmi_clk CK_SCMI_HSI>, + <&scmi_clk CK_SCMI_MSI>, + <&scmi_clk CK_SCMI_LSE>, + <&scmi_clk CK_SCMI_LSI>; + }; +... |