arm64: dts: rockchip: add watchdog to rk3568

Add the watchdog node to rk3568.

Signed-off-by: Liang Chen <cl@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20210622102907.99242-2-heiko@sntech.de

arch/arm64/boot/dts/rockchip/rk356x.dtsi

@@ -592,6 +592,14 @@
 		status = "disabled";
 	};
 
+	wdt: watchdog@fe600000 {
+		compatible = "rockchip,rk3568-wdt", "snps,dw-wdt";
+		reg = <0x0 0xfe600000 0x0 0x100>;
+		interrupts = <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>;
+		clocks = <&cru TCLK_WDT_NS>, <&cru PCLK_WDT_NS>;
+		clock-names = "tclk", "pclk";
+	};
+
 	uart1: serial@fe650000 {
 		compatible = "rockchip,rk3568-uart", "snps,dw-apb-uart";
 		reg = <0x0 0xfe650000 0x0 0x100>;