[PATCH 3/4] dt-bindings: net: dsa: realtek: require compatible property under mdio node

[Arınç ÜNAL]

The compatible property must be defined under the mdio node. Enforce it.

Signed-off-by: Arınç ÜNAL <arinc.unal@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/net/dsa/realtek.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/net/dsa/realtek.yaml b/Documentation/devicetree/bindings/net/dsa/realtek.yaml
index ea7db0890abc..f600e65fc990 100644
--- a/Documentation/devicetree/bindings/net/dsa/realtek.yaml
+++ b/Documentation/devicetree/bindings/net/dsa/realtek.yaml
@@ -103,6 +103,9 @@ allOf:
             compatible:
               const: realtek,smi-mdio
 
+          required:
+            - compatible
+
   - if:
       required:
         - reg
-- 
2.39.2