diff --git a/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
index c70f222365c0..79c38ea14237 100644
--- a/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
+++ b/Documentation/devicetree/bindings/net/brcm,bcm4908-enet.yaml
@@ -11,6 +11,9 @@ description: Broadcom's Ethernet controller integrated into BCM4908 family SoCs
 maintainers:
   - Rafał Miłecki <rafal@milecki.pl>
 
+allOf:
+  - $ref: ethernet-controller.yaml#
+
 properties:
   compatible:
     const: brcm,bcm4908-enet