>> + smmu: iommu@12000000 { >> + compatible = "nvidia,smmu-v2"; >Should we have a compatibility string like "nvidia,tegra194-smmu" so that we can have other chips with SMMUv2 that could be different? As pointed by Robin as well, as Nvidia hasn't modified ARM MMU-500 implementation, we can update it to specific chip based. Let me update. -KR