Add yaml documentation for SDPM clock monitor driver which will register for clock rate change notification and writes the clock rate into SDPM CSR register. Signed-off-by: Ram Chandrasekar <rkumbako@xxxxxxxxxxxxxx> Signed-off-by: Manaf Meethalavalappu Pallikunhi <manafm@xxxxxxxxxxxxxx> --- .../devicetree/bindings/soc/qcom/qcom-sdpm.yaml | 68 ++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom-sdpm.yaml diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom-sdpm.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom-sdpm.yaml new file mode 100644 index 00000000..20df362 --- /dev/null +++ b/Documentation/devicetree/bindings/soc/qcom/qcom-sdpm.yaml @@ -0,0 +1,68 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/soc/qcom/qcom-sdpm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Simple Digital Power Meter(SDPM) clock monitoring + +maintainers: + - Manaf Meethalavalappu Pallikunhi <manafm@xxxxxxxxxxxxxx> + - Ram Chandrasekar <rkumbako@xxxxxxxxxxxxxx> + +description: | + + SDPM is used to monitor the operating frequency of different clocks and based + on operating levels of different clients, RDPM (Rail Digital Power Meter) + hardware estimates total power consumption of a shared railway. The SDPM + clock monitor driver will register with the clock framework for rate change + notification of different clocks. These clock rate will be updated to SDPM. + +properties: + compatible: + enum: + - qcom,sdpm + + reg: + items: + - description: RDPM hardware base address + + clocks: + items: + minItems: 1 + maxItems: 8 + description: Different clock source + + clock-names: + items: + minItems: 1 + maxItems: 8 + description: Different clock source name + + csr-id: + $ref: '/schemas/types.yaml#/definitions/uint32-array' + description: SDPM CSR IDs matching the clock order mentioned in the + clocks property. + minItems: 1 + maxItems: 8 + +required: + - compatible + - reg + - clocks + - clock-names + - csr-id + +examples: + - | + #include <dt-bindings/clock/qcom,camcc-sc7280.h> + #include <dt-bindings/clock/qcom,gcc-sc7280.h> + cx_sdpm@634000 { + compatible = "qcom,sdpm"; + reg = <0x634000 0x1000>; + clocks = <&clock_camcc CAM_CC_IPE_0_CLK_SRC>, + <&clock_gcc GCC_GP1_CLK_SRC>; + clock-names = "cam_cc_ipe", "gcc_gp1"; + csr-id = <5 7>; + }; +... -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project
