ARM: dts: r8a7745: Add watchdog support to SoC dtsi

This patch adds watchdog support to the r8a7745 SoC dtsi.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Signed-off-by: Ramesh Shanmugasundaram <ramesh.shanmugasundaram@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/boot/dts/r8a7745.dtsi

@@ -262,6 +262,16 @@
 			reg = <0 0xe6160000 0 0x100>;
 		};
 
+		rwdt: watchdog@e6020000 {
+			compatible = "renesas,r8a7745-wdt",
+				     "renesas,rcar-gen2-wdt";
+			reg = <0 0xe6020000 0 0x0c>;
+			clocks = <&cpg CPG_MOD 402>;
+			power-domains = <&sysc R8A7745_PD_ALWAYS_ON>;
+			resets = <&cpg 402>;
+			status = "disabled";
+		};
+
 		sysc: system-controller@e6180000 {
 			compatible = "renesas,r8a7745-sysc";
 			reg = <0 0xe6180000 0 0x200>;