diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 1f99bffea537..96891576a575 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -37,6 +37,7 @@ properties:
               - qcom,sc7180-smmu-500
               - qcom,sc7280-smmu-500
               - qcom,sc8180x-smmu-500
+              - qcom,sc8280xp-smmu-500
               - qcom,sdm845-smmu-500
               - qcom,sdx55-smmu-500
               - qcom,sdx65-smmu-500