diff --git a/Documentation/devicetree/bindings/crypto/qcom,prng.yaml b/Documentation/devicetree/bindings/crypto/qcom,prng.yaml
index 04ddcc0f7165..633993f801c6 100644
--- a/Documentation/devicetree/bindings/crypto/qcom,prng.yaml
+++ b/Documentation/devicetree/bindings/crypto/qcom,prng.yaml
@@ -18,6 +18,7 @@ properties:
       - items:
           - enum:
               - qcom,sm8450-trng
+              - qcom,sm8550-trng
           - const: qcom,trng
 
   reg: