arm64: dts: renesas: r8a77965: Add Watchdog Timer controller node using RCLK Watchdog...

Add a device node for the Watchdog Timer (WDT) controller on the Renesas
R-Car M3-N (R8A77965) SoC.

Based on a similar patch of the R8A7796 device tree
by Geert Uytterhoeven <geert+renesas@glider.be>.

Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Tested-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm64/boot/dts/renesas/r8a77965.dtsi b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
index 486aecacb22abcf237e4739b988c7a31f6257d62..fb7100f854543e254edc0a7cdaac5dbda63197cb 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77965.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77965.dtsi
@@ -139,8 +139,13 @@
                ranges;
 
                wdt0: watchdog@e6020000 {
+                       compatible = "renesas,r8a77965-wdt",
+                                    "renesas,rcar-gen3-wdt";
                        reg = <0 0xe6020000 0 0x0c>;
-                       /* placeholder */
+                       clocks = <&cpg CPG_MOD 402>;
+                       power-domains = <&sysc R8A77965_PD_ALWAYS_ON>;
+                       resets = <&cpg 402>;
+                       status = "disabled";
                };
 
                gpio0: gpio@e6050000 {