arm64: dts: renesas: r8a774b1: Add RWDT node

Populate the device tree node for the Watchdog Timer (RWDT)
controller on the Renesas RZ/G2N (r8a774b1) SoC.

Signed-off-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Link: https://lore.kernel.org/r/1570178133-21532-5-git-send-email-fabrizio.castro@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
index 538e9ce..3f885a6 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a774b1.dtsi
@@ -151,8 +151,13 @@
                ranges;
 
                rwdt: watchdog@e6020000 {
+                       compatible = "renesas,r8a774b1-wdt",
+                                    "renesas,rcar-gen3-wdt";
                        reg = <0 0xe6020000 0 0x0c>;
-                       /* placeholder */
+                       clocks = <&cpg CPG_MOD 402>;
+                       power-domains = <&sysc R8A774B1_PD_ALWAYS_ON>;
+                       resets = <&cpg 402>;
+                       status = "disabled";
                };
 
                gpio0: gpio@e6050000 {