diff options
Diffstat (limited to 'dts/Bindings/iommu/arm,smmu.yaml')
| -rw-r--r-- | dts/Bindings/iommu/arm,smmu.yaml | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/dts/Bindings/iommu/arm,smmu.yaml b/dts/Bindings/iommu/arm,smmu.yaml index 9d27aa5111..03f2b2d4db 100644 --- a/dts/Bindings/iommu/arm,smmu.yaml +++ b/dts/Bindings/iommu/arm,smmu.yaml @@ -52,10 +52,14 @@ properties: items: - const: marvell,ap806-smmu-500 - const: arm,mmu-500 - - description: NVIDIA SoCs that program two ARM MMU-500s identically + - description: NVIDIA SoCs that require memory controller interaction + and may program multiple ARM MMU-500s identically with the memory + controller interleaving translations between multiple instances + for improved performance. items: - enum: - nvidia,tegra194-smmu + - nvidia,tegra186-smmu - const: nvidia,smmu-500 - items: - const: arm,mmu-500 @@ -165,10 +169,11 @@ allOf: contains: enum: - nvidia,tegra194-smmu + - nvidia,tegra186-smmu then: properties: reg: - minItems: 2 + minItems: 1 maxItems: 2 else: properties: |