diff --git a/Documentation/devicetree/bindings/net/ethernet-controller.yaml b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
index 6b0d359367daa..9f6a5ccbcefef 100644
--- a/Documentation/devicetree/bindings/net/ethernet-controller.yaml
+++ b/Documentation/devicetree/bindings/net/ethernet-controller.yaml
@@ -66,6 +66,7 @@ properties:
       - mii
       - gmii
       - sgmii
+      - psgmii
       - qsgmii
       - qusgmii
       - tbi