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dt: thermal: tsens: Add bindings for qcs404

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qcs404 uses v1 of the TSENS IP block. Create a fallback DT property
"qcom,tsens-v1" to gather common code

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Eduardo Valentin <edubezval@gmail.com>
This commit is contained in:
Amit Kucheria 2019-03-20 18:47:59 +05:30 committed by Eduardo Valentin
parent 14bbe98811
commit a9604f2808
1 changed files with 14 additions and 0 deletions
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14
Documentation/devicetree/bindings/thermal/qcom-tsens.txt
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@ -6,11 +6,14 @@ Required properties:
- "qcom,msm8916-tsens" (MSM8916) - "qcom,msm8916-tsens" (MSM8916)
- "qcom,msm8974-tsens" (MSM8974) - "qcom,msm8974-tsens" (MSM8974)
- "qcom,msm8996-tsens" (MSM8996) - "qcom,msm8996-tsens" (MSM8996)
- "qcom,qcs404-tsens", "qcom,tsens-v1" (QCS404)
- "qcom,msm8998-tsens", "qcom,tsens-v2" (MSM8998) - "qcom,msm8998-tsens", "qcom,tsens-v2" (MSM8998)
- "qcom,sdm845-tsens", "qcom,tsens-v2" (SDM845) - "qcom,sdm845-tsens", "qcom,tsens-v2" (SDM845)
The generic "qcom,tsens-v2" property must be used as a fallback for any SoC 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 with version 2 of the TSENS IP. MSM8996 is the only exception because the
generic property did not exist when support was added. generic property did not exist when support was added.
Similarly, the generic "qcom,tsens-v1" property must be used as a fallback for
any SoC with version 1 of the TSENS IP.
- reg: Address range of the thermal registers. - reg: Address range of the thermal registers.
New platforms containing v2.x.y of the TSENS IP must specify the SROT and TM New platforms containing v2.x.y of the TSENS IP must specify the SROT and TM
@ -39,3 +42,14 @@ tsens0: thermal-sensor@c263000 {
#qcom,sensors = <13>; #qcom,sensors = <13>;
#thermal-sensor-cells = <1>; #thermal-sensor-cells = <1>;
}; };
Example 3 (for any platform containing v1 of the TSENS IP):
tsens: thermal-sensor@4a9000 {
compatible = "qcom,qcs404-tsens", "qcom,tsens-v1";
reg = <0x004a9000 0x1000>, /* TM */
<0x004a8000 0x1000>; /* SROT */
nvmem-cells = <&tsens_caldata>;
nvmem-cell-names = "calib";
#qcom,sensors = <10>;
#thermal-sensor-cells = <1>;
};