Re: [PATCH v2 1/2] dt-bindings: iommu: arm,smmu-v3: Add SC8280XP compatible

[Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>]

On 09/03/2024 14:31, Konrad Dybcio wrote:
> The smmu-v3 binding currently doesn't differentiate the SoCs it's
> implemented on. This is a poor design choice that may bite in the future,
> should any quirks surface.
> 
> Add a compatible for the instance found on Qualcomm SC8280XP.
> 
> Signed-off-by: Konrad Dybcio <konrad.dybcio@linaro.org>
> ---
>  Documentation/devicetree/bindings/iommu/arm,smmu-v3.yaml | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.yaml
> index 75fcf4cb52d9..f284f7b0c1d8 100644
> --- a/Documentation/devicetree/bindings/iommu/arm,smmu-v3.yaml
> +++ b/Documentation/devicetree/bindings/iommu/arm,smmu-v3.yaml
> @@ -20,7 +20,11 @@ properties:
>    $nodename:
>      pattern: "^iommu@[0-9a-f]*"
>    compatible:
> -    const: arm,smmu-v3
> +    oneOf:
> +      - items:
> +          - const: qcom,sc8280xp-smmu-v3

This could be enum, because likely it will grow in the future, but there
is no need to resend for this alone.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

Best regards,
Krzysztof