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| author | Krishna Reddy <vdumpa@nvidia.com> | 2020-07-18 22:34:56 +0300 |
|---|---|---|
| committer | Will Deacon <will@kernel.org> | 2020-07-20 11:30:50 +0300 |
| commit | 3d2deb0cdb69e85d05760c6c72189d7653709ee1 (patch) | |
| tree | 32191dd5844d07586fc16142c1700fe9bc39dcfa /Documentation | |
| parent | aab5a1c882760a5bc990b14e5c0c2ee4dab5f1ac (diff) | |
| download | linux-3d2deb0cdb69e85d05760c6c72189d7653709ee1.tar.xz | |
dt-bindings: arm-smmu: add binding for Tegra194 SMMU
Add binding for NVIDIA's Tegra194 SoC SMMU.
Signed-off-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20200718193457.30046-5-vdumpa@nvidia.com
Signed-off-by: Will Deacon <will@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/iommu/arm,smmu.yaml | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml index 93fb9fe068b9..503160a7b9a0 100644 --- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml +++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml @@ -44,6 +44,11 @@ properties: items: - const: marvell,ap806-smmu-500 - const: arm,mmu-500 + - description: NVIDIA SoCs that program two ARM MMU-500s identically + items: + - enum: + - nvidia,tegra194-smmu + - const: nvidia,smmu-500 - items: - const: arm,mmu-500 - const: arm,smmu-v2 @@ -61,7 +66,8 @@ properties: - cavium,smmu-v2 reg: - maxItems: 1 + minItems: 1 + maxItems: 2 '#global-interrupts': description: The number of global interrupts exposed by the device. @@ -144,6 +150,23 @@ required: additionalProperties: false +allOf: + - if: + properties: + compatible: + contains: + enum: + - nvidia,tegra194-smmu + then: + properties: + reg: + minItems: 2 + maxItems: 2 + else: + properties: + reg: + maxItems: 1 + examples: - |+ /* SMMU with stream matching or stream indexing */ |