diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 3ac741236c8b47fa12b5d8919067deace56422dc..93fb9fe068b964b8c334d18841ec9a8f7e936e4a 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -40,6 +40,10 @@ properties:
               - qcom,sm8150-smmu-500
               - qcom,sm8250-smmu-500
           - const: arm,mmu-500
+      - description: Marvell SoCs implementing "arm,mmu-500"
+        items:
+          - const: marvell,ap806-smmu-500
+          - const: arm,mmu-500
       - items:
           - const: arm,mmu-500
           - const: arm,smmu-v2