| Message ID | 20200630235752.8737-4-vdumpa@nvidia.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | NVIDIA ARM SMMUv2 Implementation | expand |
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@nvidia.com> > --- > .../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
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 - items: - const: arm,mmu-500 - const: arm,smmu-v2 @@ -138,6 +143,19 @@ required: additionalProperties: false +allOf: + - if: + properties: + compatible: + contains: + enum: + - nvidia,tegra194-smmu + then: + properties: + reg: + minItems: 2 + maxItems: 3 + examples: - |+ /* SMMU with stream matching or stream indexing */
Add binding for NVIDIA's Tegra194 SoC SMMU topology that is based on ARM MMU-500. Signed-off-by: Krishna Reddy <vdumpa@nvidia.com> --- .../devicetree/bindings/iommu/arm,smmu.yaml | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+)