diff --git a/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml b/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml
index 9122c3d2dc30f..9d99af46e531a 100644
--- a/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml
+++ b/Documentation/devicetree/bindings/mailbox/qcom,cpucp-mbox.yaml
@@ -19,6 +19,7 @@ properties:
       - items:
           - enum:
               - qcom,glymur-cpucp-mbox
+              - qcom,sm8750-cpucp-mbox
           - const: qcom,x1e80100-cpucp-mbox
       - enum:
           - qcom,x1e80100-cpucp-mbox