diff --git a/Documentation/devicetree/bindings/net/renesas,ether.yaml b/Documentation/devicetree/bindings/net/renesas,ether.yaml
index 909f4b245c84..08678af5ed93 100644
--- a/Documentation/devicetree/bindings/net/renesas,ether.yaml
+++ b/Documentation/devicetree/bindings/net/renesas,ether.yaml
@@ -29,6 +29,7 @@ properties:
               - renesas,rcar-gen1-ether  # a generic R-Car Gen1 device
       - items:
           - enum:
+              - renesas,ether-r8a7742    # device is a part of R8A7742 SoC
               - renesas,ether-r8a7743    # device is a part of R8A7743 SoC
               - renesas,ether-r8a7745    # device is a part of R8A7745 SoC
               - renesas,ether-r8a7790    # device is a part of R8A7790 SoC