Re: [PATCH 14/39] arm64: dts: qcom: sdm630: Add TSENS node

Thara Gopinath
2021-07-29T10:54:28Z

On 7/29/21 6:52 AM, Konrad Dybcio wrote:
>
> On 29.07.2021 12:50, Thara Gopinath wrote:
>> Hi Konrad,
>>
>> On 7/28/21 6:25 PM, Konrad Dybcio wrote:
>>> This will enable temperature reporting for various SoC
>>> components.
>>>
>>> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@somainline.org>
>>> Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org>
>>> ---
>>>   .../devicetree/bindings/thermal/qcom-tsens.yaml       |  1 +
>>>   arch/arm64/boot/dts/qcom/sdm630.dtsi                  | 11 +++++++++++
>>>   2 files changed, 12 insertions(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
>>> index 4a2eaf28e3fd..d3b9e9b600a2 100644
>>> --- a/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
>>> +++ b/Documentation/devicetree/bindings/thermal/qcom-tsens.yaml
>>> @@ -48,6 +48,7 @@ properties:
>>>                 - qcom,sc7180-tsens
>>>                 - qcom,sc7280-tsens
>>>                 - qcom,sc8180x-tsens
>>> +              - qcom,sdm630-tsens
>>>                 - qcom,sdm845-tsens
>>>                 - qcom,sm8150-tsens
>>>                 - qcom,sm8250-tsens
>>> diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
>>> index 1e54828817d5..7e9c80e35fba 100644
>>> --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
>>> +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
>>> @@ -627,6 +627,17 @@ mnoc: interconnect@1745000 {
>>>                    <&mmcc AHB_CLK_SRC>;
>>>           };
>>>   +        tsens: thermal-sensor@10ae000 {
>>> +            compatible = "qcom,sdm630-tsens", "qcom,tsens-v2";
>>> +            reg = <0x010ae000 0x1000>, /* TM */
>>> +                  <0x010ad000 0x1000>; /* SROT */
>>> +            #qcom,sensors = <12>;
>>
>> Are all 12 sensors used ? I see that in a later patch "arm64: dts: qcom: sdm630: Add thermal-zones configuration" only 9 are used.
>
> Hi,
>
> if I recall correctly, they all give output but not all of the mappings were documented in the downstream sources and we have no documentation whatsoever :(

Right. In that case, why not change #qcom,sensors to 9 and add rest of
the sensors if and when needed ?

>
>
> Konrad
>

--
Warm Regards
Thara (She/Her/Hers)