Re: [PATCH v4 3/6] dt-bindings: drm/msm/gpu: Document AON clock for A505/A506/A510

[Barnabás Czémán <barnabas.czeman@xxxxxxxxxxxxxx>]

On March 17, 2025 10:21:50 AM GMT+01:00, Krzysztof Kozlowski <krzk@xxxxxxxxxx> wrote:
>On Sat, Mar 15, 2025 at 03:57:37PM +0100, Barnabás Czémán wrote:
>> From: Adam Skladowski <a39.skl@xxxxxxxxx>
>> 
>> Adreno 505 (MSM8937), Adreno 506(MSM8953) and Adreno 510(MSM8976)
>> require Always-on branch clock to be enabled, describe it.
>> 
>> Signed-off-by: Adam Skladowski <a39.skl@xxxxxxxxx>
>> [reword commit, move alwayson on the first place]
>> Signed-off-by: Barnabás Czémán <barnabas.czeman@xxxxxxxxxxxxxx>
>> ---
>>  Documentation/devicetree/bindings/display/msm/gpu.yaml | 6 ++++--
>>  1 file changed, 4 insertions(+), 2 deletions(-)
>> 
>> diff --git a/Documentation/devicetree/bindings/display/msm/gpu.yaml b/Documentation/devicetree/bindings/display/msm/gpu.yaml
>> index 6ddc72fd85b04537ea270754a897b4e7eb269641..5028398cc3b517e404a92a2c30688f72eab4c1b3 100644
>> --- a/Documentation/devicetree/bindings/display/msm/gpu.yaml
>> +++ b/Documentation/devicetree/bindings/display/msm/gpu.yaml
>> @@ -152,11 +152,13 @@ allOf:
>>        properties:
>>          clocks:
>>            minItems: 2
>> -          maxItems: 7
>> +          maxItems: 8
>>  
>>          clock-names:
>>            items:
>>              anyOf:
>> +              - const: alwayson
>> +                description: GPU Always-On clock
>
>Are you adding bindings for devices which were not described previously?
>Then don't grow this pattern, but create if:then: with a strictly
>ordered list for them (and keeping order of other variants).
>
8956, 8976, 8953 schemas are failing because of missing always-on clock.
>Best regards,
>Krzysztof
>