diff --git a/Documentation/devicetree/bindings/crypto/qcom,prng.yaml b/Documentation/devicetree/bindings/crypto/qcom,prng.yaml
index 048b769a73c028966e81d64cf13b2b418a5e4949..ca8d762aed9e5ce00044cb2e8db579a7d1169d03 100644
--- a/Documentation/devicetree/bindings/crypto/qcom,prng.yaml
+++ b/Documentation/devicetree/bindings/crypto/qcom,prng.yaml
@@ -17,6 +17,7 @@ properties:
           - qcom,prng-ee  # 8996 and later using EE
       - items:
           - enum:
+              - qcom,sa7255p-trng
               - qcom,sa8255p-trng
               - qcom,sa8775p-trng
               - qcom,sc7280-trng