Re: [PATCH v9 3/4] dt-bindings: arm-smmu: add binding for Tegra194 SMMU
From: Jon Hunter <jonathanh@nvidia.com>
Date: 2020-07-01 08:20:06
Also in:
linux-arm-kernel, linux-iommu, linux-tegra, lkml
On 01/07/2020 00:57, Krishna Reddy wrote:
quoted hunk ↗ jump to hunk
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 -- nvpublic