diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 807cb511fe186..ea81e9b1860cf 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -53,6 +53,7 @@ properties:
               - qcom,sm8250-smmu-500
               - qcom,sm8350-smmu-500
               - qcom,sm8450-smmu-500
+              - qcom,sm8550-smmu-500
           - const: qcom,smmu-500
           - const: arm,mmu-500
 
@@ -389,6 +390,7 @@ allOf:
               - qcom,sm6375-smmu-500
               - qcom,sm8350-smmu-500
               - qcom,sm8450-smmu-500
+              - qcom,sm8550-smmu-500
     then:
       properties:
         clock-names: false