diff --git a/Documentation/devicetree/bindings/usb/renesas,usbhs.txt b/Documentation/devicetree/bindings/usb/renesas,usbhs.txt
index e39255ea6e4f..06abe9901dfb 100644
--- a/Documentation/devicetree/bindings/usb/renesas,usbhs.txt
+++ b/Documentation/devicetree/bindings/usb/renesas,usbhs.txt
@@ -8,6 +8,7 @@ Required properties:
 	- "renesas,usbhs-r8a7745" for r8a7745 (RZ/G1E) compatible device
 	- "renesas,usbhs-r8a77470" for r8a77470 (RZ/G1C) compatible device
 	- "renesas,usbhs-r8a774a1" for r8a774a1 (RZ/G2M) compatible device
+	- "renesas,usbhs-r8a774b1" for r8a774b1 (RZ/G2N) compatible device
 	- "renesas,usbhs-r8a774c0" for r8a774c0 (RZ/G2E) compatible device
 	- "renesas,usbhs-r8a7790" for r8a7790 (R-Car H2) compatible device
 	- "renesas,usbhs-r8a7791" for r8a7791 (R-Car M2-W) compatible device