RE: [PATCH v6 2/4] dt-bindings: arm-smmu: Add binding for Tegra194 SMMU

[Krishna Reddy]

>> +  - nvdia,tegra194-smmu-500
>The -500 suffix here seems a bit redundant since there's no other type of SMMU 
>in Tegra194, correct?

Yeah, there is only one type of SMMU supported in T194. It was added to be 
synonymous with mmu-500.  Can be removed.

-KR
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Re: [PATCH v6 2/4] dt-bindings: arm-smmu: Add binding for Tegra194 SMMU

[Thierry Reding]

On Thu, Jun 04, 2020 at 04:44:12PM -0700, Krishna Reddy wrote:
> Add binding for NVIDIA's Tegra194 Soc SMMU that is based
> on ARM MMU-500.
> 
> Signed-off-by: Krishna Reddy 
> ---
>  Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 5 +
>  1 file changed, 5 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml 
> b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> index e3ef1c69d1326..8f7ffd248f303 100644
> --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
> @@ -37,6 +37,11 @@ properties:
>- qcom,sc7180-smmu-500
>- qcom,sdm845-smmu-500
>- const: arm,mmu-500
> +  - description: NVIDIA SoCs that use more than one "arm,mmu-500"
> +items:
> +  - enum:
> +  - nvdia,tegra194-smmu-500

The -500 suffix here seems a bit redundant since there's no other type
of SMMU in Tegra194, correct?

Thierry


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