diff --git a/Documentation/devicetree/bindings/trivial-devices.yaml b/Documentation/devicetree/bindings/trivial-devices.yaml
index 23fd4513933a..44ee92f1a09f 100644
--- a/Documentation/devicetree/bindings/trivial-devices.yaml
+++ b/Documentation/devicetree/bindings/trivial-devices.yaml
@@ -336,6 +336,8 @@ properties:
           - mps,mp29612
             # Monolithic Power Systems Inc. multi-phase controller mp29816
           - mps,mp29816
+            # Monolithic Power Systems Inc. multi-phase controller mp2985
+          - mps,mp2985
             # Monolithic Power Systems Inc. multi-phase controller mp2993
           - mps,mp2993
             # Monolithic Power Systems Inc. hot-swap protection device