[PATCH v2 1/6] arm64: dts: renesas: r8a77961: Add RWDT node

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Add a device node for the RCLK Watchdog Timer (RWDT) on the Renesas
R-Car M3-W+ (r8a77961) SoC.

Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
v2:
  - No changes.

Test procedure:
  1. "cat > /dev/watchdog",
  2. Wait 60s for reboot.
---
 arch/arm64/boot/dts/renesas/r8a77961.dtsi | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/renesas/r8a77961.dtsi b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
index 64466c86b698826d..ea2c6445977f3d99 100644
--- a/arch/arm64/boot/dts/renesas/r8a77961.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
@@ -319,8 +319,13 @@
 		ranges;
 
 		rwdt: watchdog@e6020000 {
+			compatible = "renesas,r8a77961-wdt",
+				     "renesas,rcar-gen3-wdt";
 			reg = <0 0xe6020000 0 0x0c>;
-			/* placeholder */
+			clocks = <&cpg CPG_MOD 402>;
+			power-domains = <&sysc R8A77961_PD_ALWAYS_ON>;
+			resets = <&cpg 402>;
+			status = "disabled";
 		};
 
 		gpio2: gpio@e6052000 {
-- 
2.17.1




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