On 01/07/2020 00:57, Krishna Reddy wrote: > Add binding for NVIDIA's Tegra194 SoC SMMU topology that is based > on ARM MMU-500. > > Signed-off-by: Krishna Reddy <vdumpa@xxxxxxxxxx> > --- > .../devicetree/bindings/iommu/arm,smmu.yaml | 18 ++++++++++++++++++ > 1 file changed, 18 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml > index d7ceb4c34423b..662c46e16f07d 100644 > --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml > +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml > @@ -38,6 +38,11 @@ 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: > + - nvidia,tegra194-smmu > + - const: arm,mmu-500 We should also address Robin's comments here. I don't think that we ever want to fail back to just the regular 'arm,mmu-500' and should be should probably just drop this part. Jon -- nvpublic
