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-rw-r--r--Documentation/devicetree/bindings/iommu/arm,smmu.yaml4
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 218f7ecb4703..d7ceb4c34423 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -42,7 +42,9 @@ properties:
- const: arm,mmu-500
- const: arm,smmu-v2
- items:
- - const: arm,mmu-401
+ - enum:
+ - arm,mmu-400
+ - arm,mmu-401
- const: arm,smmu-v1
- enum:
- arm,smmu-v1