diff --git a/Documentation/devicetree/bindings/net/aspeed,ast2600-mdio.yaml b/Documentation/devicetree/bindings/net/aspeed,ast2600-mdio.yaml
index d6ef468495c5..a105dc07ed12 100644
--- a/Documentation/devicetree/bindings/net/aspeed,ast2600-mdio.yaml
+++ b/Documentation/devicetree/bindings/net/aspeed,ast2600-mdio.yaml
@@ -19,7 +19,12 @@ allOf:
 
 properties:
   compatible:
-    const: aspeed,ast2600-mdio
+    oneOf:
+      - const: aspeed,ast2600-mdio
+      - items:
+          - enum:
+              - aspeed,ast2700-mdio
+          - const: aspeed,ast2600-mdio
 
   reg:
     maxItems: 1