diff --git a/bindings/thermal/qcom-sdpm.txt b/bindings/thermal/qcom-sdpm.txt new file mode 100644 index 00000000..8a0a0f9f --- /dev/null +++ b/bindings/thermal/qcom-sdpm.txt @@ -0,0 +1,57 @@ +Simple Digital Power Meter(SDPM) clock monitoring. + +SDPM is used to monitor the operating frequency of different clocks and based +on operating levels of different clients, the Policy Engine will recommend a +new max operating level. The SDPM driver will register with the clock +framework for rate change notification of different clocks. These clock rate +will be updated to SDPM. + +Properties: + +- compatible: + Usage: required + Value type: + Definition: should be "qcom,sdpm" + +- reg: + Usage: required + Value type: + Definition: RDPM base address. + +- clocks: + Usage: required + Value type: + Definition: A List of phandle and clock specifier pairs as listed + in clock-names property. + +- clock-names: + Usage: required + Value type: + Definition: List of clock names matching the clock order mentioned in + the clocks property. +- cpu: + Usage: optional + Value type: + Definition: The CPU for which the clock changes should be monitored. + +- csr-id: + Usage: required + Value type: + Definition: Array of CSR ID matching the clock order mentioned in the + clocks property. The last ID can be the CSR + corresponding to the CPU that needs to be monitored. + +Example: + +cx_sdpm@0x00634000 { + compatible = "qcom,sdpm"; + reg = <0x00634000 0x1000>; + clock-names = "cam_cc", "compo_aux"; + clocks = <&clock_camcc CAM_CC_IPE_0_CLK_SRC>, + <&clk_m_a2_div1 CLK_M_COMPO_AUX>; + cpu = <&CPU7>; + csr-id = <5 7 4>; + //CSR 5 <=> cam_cc + //CSR 7 <=> compo_aux + //CSR 4 <=> CPU7 +};