diff --git a/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml b/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml
index bc599a8..f5c7343 100644
--- a/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml
+++ b/Documentation/devicetree/bindings/mailbox/qcom-ipcc.yaml
@@ -31,6 +31,7 @@ properties:
           - qcom,sm8250-ipcc
           - qcom,sm8350-ipcc
           - qcom,sm8450-ipcc
+          - qcom,sm8550-ipcc
       - const: qcom,ipcc
 
   reg: