arm64: dts: r8a7796: Add RWDT node

Add a device node for the Watchdog Timer (WDT) controller on the Renesas
R-Car M3-W (r8a7796) SoC.

Signed-off-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>

diff --git a/arch/arm64/boot/dts/renesas/r8a7796.dtsi b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
index fab61ed..1edf824 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a7796.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a7796.dtsi
@@ -98,6 +98,15 @@
                                        (GIC_CPU_MASK_SIMPLE(1) | IRQ_TYPE_LEVEL_LOW)>;
                };
 
+               wdt0: watchdog@e6020000 {
+                       compatible = "renesas,r8a7796-wdt",
+                                    "renesas,rcar-gen3-wdt";
+                       reg = <0 0xe6020000 0 0x0c>;
+                       clocks = <&cpg CPG_MOD 402>;
+                       power-domains = <&sysc R8A7796_PD_ALWAYS_ON>;
+                       status = "disabled";
+               };
+
                cpg: clock-controller@e6150000 {
                        compatible = "renesas,r8a7796-cpg-mssr";
                        reg = <0 0xe6150000 0 0x1000>;