diff --git a/Documentation/devicetree/bindings/media/renesas,vin.txt b/Documentation/devicetree/bindings/media/renesas,vin.txt
index aa217b096279771222cf384b5899e26ce40cfdc6..103faadd5d4eace4d78b8bc83416d6cdb32172cc 100644
--- a/Documentation/devicetree/bindings/media/renesas,vin.txt
+++ b/Documentation/devicetree/bindings/media/renesas,vin.txt
@@ -14,6 +14,7 @@ on Gen3 and RZ/G2 platforms to a CSI-2 receiver.
    - "renesas,vin-r8a7744" for the R8A7744 device
    - "renesas,vin-r8a7745" for the R8A7745 device
    - "renesas,vin-r8a774a1" for the R8A774A1 device
+   - "renesas,vin-r8a774b1" for the R8A774B1 device
    - "renesas,vin-r8a774c0" for the R8A774C0 device
    - "renesas,vin-r8a7778" for the R8A7778 device
    - "renesas,vin-r8a7779" for the R8A7779 device