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Diffstat (limited to 'Documentation/devicetree/bindings/thermal/qcom-tsens.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/thermal/qcom-tsens.txt | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.txt b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt new file mode 100644 index 000000000..1d9e8cf61 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.txt @@ -0,0 +1,41 @@ +* QCOM SoC Temperature Sensor (TSENS) + +Required properties: +- compatible: + Must be one of the following: + - "qcom,msm8916-tsens" (MSM8916) + - "qcom,msm8974-tsens" (MSM8974) + - "qcom,msm8996-tsens" (MSM8996) + - "qcom,msm8998-tsens", "qcom,tsens-v2" (MSM8998) + - "qcom,sdm845-tsens", "qcom,tsens-v2" (SDM845) + The generic "qcom,tsens-v2" property must be used as a fallback for any SoC + with version 2 of the TSENS IP. MSM8996 is the only exception because the + generic property did not exist when support was added. + +- reg: Address range of the thermal registers. + New platforms containing v2.x.y of the TSENS IP must specify the SROT and TM + register spaces separately, with order being TM before SROT. + See Example 2, below. + +- #thermal-sensor-cells : Should be 1. See ./thermal.txt for a description. +- #qcom,sensors: Number of sensors in tsens block +- Refer to Documentation/devicetree/bindings/nvmem/nvmem.txt to know how to specify +nvmem cells + +Example 1 (legacy support before a fallback tsens-v2 property was introduced): +tsens: thermal-sensor@900000 { + compatible = "qcom,msm8916-tsens"; + reg = <0x4a8000 0x2000>; + nvmem-cells = <&tsens_caldata>, <&tsens_calsel>; + nvmem-cell-names = "caldata", "calsel"; + #thermal-sensor-cells = <1>; + }; + +Example 2 (for any platform containing v2 of the TSENS IP): +tsens0: thermal-sensor@c263000 { + compatible = "qcom,sdm845-tsens", "qcom,tsens-v2"; + reg = <0xc263000 0x1ff>, /* TM */ + <0xc222000 0x1ff>; /* SROT */ + #qcom,sensors = <13>; + #thermal-sensor-cells = <1>; + }; |