[PATCH] dt-bindings: iommu: arm,smmu: document clocks for the SM8350 GPU SMMU

Conor Dooley conor at kernel.org
Mon Nov 13 05:53:24 PST 2023


On Sun, Nov 12, 2023 at 07:45:22PM +0100, Krzysztof Kozlowski wrote:
> Document the clocks for Qualcomm SM8350 Adreno GPU SMMU, already used in
> DTS:
> 
>   sm8350-hdk.dtb: iommu at 3da0000: clock-names: False schema does not allow ['bus', 'iface', 'ahb', 'hlos1_vote_gpu_smmu', 'cx_gmu', 'hub_cx_int', 'hub_aon']
> 
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>

Acked-by: Conor Dooley <conor.dooley at microchip.com>

Thanks,
Conor.

> ---
>  .../devicetree/bindings/iommu/arm,smmu.yaml   | 25 ++++++++++++++++++-
>  1 file changed, 24 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> index 54c333ddf916..14dc54b0e7b3 100644
> --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> @@ -429,6 +429,30 @@ allOf:
>              - description: interface clock required to access smmu's registers
>                  through the TCU's programming interface.
>  
> +  - if:
> +      properties:
> +        compatible:
> +          items:
> +            - enum:
> +                - qcom,sm8350-smmu-500
> +            - const: qcom,adreno-smmu
> +            - const: qcom,smmu-500
> +            - const: arm,mmu-500
> +    then:
> +      properties:
> +        clock-names:
> +          items:
> +            - const: bus
> +            - const: iface
> +            - const: ahb
> +            - const: hlos1_vote_gpu_smmu
> +            - const: cx_gmu
> +            - const: hub_cx_int
> +            - const: hub_aon
> +        clocks:
> +          minItems: 7
> +          maxItems: 7
> +
>    - if:
>        properties:
>          compatible:
> @@ -472,7 +496,6 @@ allOf:
>                - qcom,sdx65-smmu-500
>                - qcom,sm6350-smmu-500
>                - qcom,sm6375-smmu-500
> -              - qcom,sm8350-smmu-500
>                - qcom,sm8450-smmu-500
>                - qcom,sm8550-smmu-500
>      then:
> -- 
> 2.34.1
> 
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