dt-bindings: watchdog: renesas-wdt: Document r8a774b1 support

RZ/G2N (a.k.a. R8A774B1) watchdog implementation is compatible
with R-Car Gen3, therefore add the relevant documentation.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Rob Herring <robh@kernel.org>

diff --git a/Documentation/devicetree/bindings/watchdog/renesas,wdt.txt b/Documentation/devicetree/bindings/watchdog/renesas,wdt.txt
index 9f365c1..a5bf04d 100644 (file)
--- a/Documentation/devicetree/bindings/watchdog/renesas,wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/renesas,wdt.txt
@@ -10,6 +10,7 @@ Required properties:
                 - "renesas,r8a7745-wdt" (RZ/G1E)
                 - "renesas,r8a77470-wdt" (RZ/G1C)
                 - "renesas,r8a774a1-wdt" (RZ/G2M)
+                - "renesas,r8a774b1-wdt" (RZ/G2N)
                 - "renesas,r8a774c0-wdt" (RZ/G2E)
                 - "renesas,r8a7790-wdt" (R-Car H2)
                 - "renesas,r8a7791-wdt" (R-Car M2-W)