Re: [PATCH 02/14] dt-bindings: display/msm/gmu: Allow passing QMP handle

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On 4.07.2023 10:29, Krzysztof Kozlowski wrote:
> On 28/06/2023 22:35, Konrad Dybcio wrote:
>> When booting the GMU, the QMP mailbox should be pinged about some tunables
>> (e.g. adaptive clock distribution state). To achieve that, a reference to
>> it is necessary. Allow it and require it with A730.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
>> ---
>>  Documentation/devicetree/bindings/display/msm/gmu.yaml | 7 +++++++
>>  1 file changed, 7 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/display/msm/gmu.yaml b/Documentation/devicetree/bindings/display/msm/gmu.yaml
>> index 20ddb89a4500..9e6c4e0ab071 100644
>> --- a/Documentation/devicetree/bindings/display/msm/gmu.yaml
>> +++ b/Documentation/devicetree/bindings/display/msm/gmu.yaml
>> @@ -64,6 +64,10 @@ properties:
>>    iommus:
>>      maxItems: 1
>>  
>> +  qcom,qmp:
>> +    $ref: /schemas/types.yaml#/definitions/phandle
>> +    description: Phandle to the QMP mailbox
> 
> mailbox would suggest you should use mailbox properties.
That won't be a very strong argument at all, but the Linux mailbox
framework did not at all fit the JSON-like nature of this mbox and it
ended up being its own thing..

> Instead maybe
> "Always On Subsystem (AOSS)" or just use existing description. I assume
> it's exactly the same.
I don't think I quite get what you mean.

Konrad
> 
> 
> Best regards,
> Krzysztof
> 



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