Re: [PATCH 05/10] dt-bindings: interconnect: Add sm8350, sc8280xp and generic OSM L3 compatibles

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On 27/10/2022 23:41, Bjorn Andersson wrote:
> Add EPSS L3 compatibles for sm8350 and sc8280xp, but while at it also
> introduce generic compatible for both qcom,osm-l3 and qcom,epss-l3.
> 
> Signed-off-by: Bjorn Andersson <quic_bjorande@xxxxxxxxxxx>
> ---
>  .../bindings/interconnect/qcom,osm-l3.yaml    | 22 +++++++++++++------
>  1 file changed, 15 insertions(+), 7 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml b/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml
> index bf538c0c5a81..ae0995341a78 100644
> --- a/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml
> +++ b/Documentation/devicetree/bindings/interconnect/qcom,osm-l3.yaml
> @@ -16,13 +16,21 @@ description:
>  
>  properties:
>    compatible:
> -    enum:
> -      - qcom,sc7180-osm-l3
> -      - qcom,sc7280-epss-l3
> -      - qcom,sc8180x-osm-l3
> -      - qcom,sdm845-osm-l3
> -      - qcom,sm8150-osm-l3
> -      - qcom,sm8250-epss-l3
> +    oneOf:
> +      items:

oneOf expects a list, so this should be "    - items"

> +        - enum:
> +            - qcom,sc7180-osm-l3
> +            - qcom,sc8180x-osm-l3
> +            - qcom,sdm845-osm-l3
> +            - qcom,sm8150-osm-l3
> +        - const: qcom,osm-l3

The concept is good, but are you sure all SoCs will be compatible with
generic osm-l3? Why not using dedicated compatible of one soc, e.g. the
oldest here? We already did like that for BWMON, DMA and few others.

> +      items:
> +        - enum:
> +            - qcom,sc7280-epss-l3
> +            - qcom,sc8280xp-epss-l3
> +            - qcom,sm8250-epss-l3
> +            - qcom,sm8350-epss-l3
> +        - const: qcom,epss-l3
>  
>    reg:
>      maxItems: 1

Best regards,
Krzysztof




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