arm64: dts: renesas: r8a77961: Add RWDT node

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@glider.be>
Reviewed-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Tested-by: Eugeniu Rosca <erosca@de.adit-jv.com>
Link: https://lore.kernel.org/r/20191216124740.16647-2-geert+renesas@glider.be

diff --git a/arch/arm64/boot/dts/renesas/r8a77961.dtsi b/arch/arm64/boot/dts/renesas/r8a77961.dtsi
index 64466c86b698826d7fba4103fd60e1155adbbfc7..ea2c6445977f3d99c1b18c014ad16c8f0b2de43c 100644 (file)
--- 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 {