| Message ID | 20200604234414.21912-3-vdumpa@nvidia.com |
|---|---|
| State | Changes Requested |
| Headers | show |
| Series | Nvidia Arm SMMUv2 Implementation | expand |
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 <vdumpa@nvidia.com> > --- > 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
>> + - 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
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 + - const: arm,mmu-500 - items: - const: arm,mmu-500 - const: arm,smmu-v2
Add binding for NVIDIA's Tegra194 Soc SMMU that is based on ARM MMU-500. Signed-off-by: Krishna Reddy <vdumpa@nvidia.com> --- Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 5 +++++ 1 file changed, 5 insertions(+)