Re: [PATCH v3 02/15] dt-bindings: display/msm/gmu: Add GMU wrapper

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On 23/02/2023 13:06, Konrad Dybcio wrote:
> GMU wrapper is essentially a register space within the GPU, which
> Linux sees as a dumbed-down regular GMU: there's no clocks,
> interrupts, multiple regs, iommus and OPP. Document it.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxx>
> ---
>  .../devicetree/bindings/display/msm/gmu.yaml       | 49 ++++++++++++++++------
>  1 file changed, 37 insertions(+), 12 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/msm/gmu.yaml b/Documentation/devicetree/bindings/display/msm/gmu.yaml
> index ab14e81cb050..021373e686e1 100644
> --- a/Documentation/devicetree/bindings/display/msm/gmu.yaml
> +++ b/Documentation/devicetree/bindings/display/msm/gmu.yaml
> @@ -19,16 +19,18 @@ description: |
>  
>  properties:
>    compatible:
> -    items:
> -      - pattern: '^qcom,adreno-gmu-6[0-9][0-9]\.[0-9]$'
> -      - const: qcom,adreno-gmu
> +    oneOf:
> +      - items:
> +          - pattern: '^qcom,adreno-gmu-6[0-9][0-9]\.[0-9]$'
> +          - const: qcom,adreno-gmu
> +      - const: qcom,adreno-gmu-wrapper

Why wrapper is part of this binding then? Usually wrapper means there is
wrapper node with a GMU child (at least this is what we call for all
wrappers of custom IP blocks like USB DWC). Where is the child?


Best regards,
Krzysztof




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