Add binding for NVIDIA's Tegra194 SoC SMMU topology that is based
on ARM MMU-500.
Signed-off-by: Krishna Reddy <vdu...@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
- 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 */
--
2.26.2
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