diff --git a/src/arm64/renesas/r9a08g045.dtsi b/src/arm64/renesas/r9a08g045.dtsi
index 5facfad..f5f3f4f 100644
--- a/src/arm64/renesas/r9a08g045.dtsi
+++ b/src/arm64/renesas/r9a08g045.dtsi
@@ -42,6 +42,11 @@
 		clock-frequency = <0>;
 	};
 
+	psci {
+		compatible = "arm,psci-1.0", "arm,psci-0.2";
+		method = "smc";
+	};
+
 	soc: soc {
 		compatible = "simple-bus";
 		interrupt-parent = <&gic>;
@@ -152,7 +157,10 @@
 				     <GIC_SPI 458 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 459 IRQ_TYPE_LEVEL_HIGH>,
 				     <GIC_SPI 460 IRQ_TYPE_LEVEL_HIGH>,
-				     <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>;
+				     <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
 			interrupt-names = "nmi",
 					  "irq0", "irq1", "irq2", "irq3",
 					  "irq4", "irq5", "irq6", "irq7",
@@ -164,7 +172,8 @@
 					  "tint20", "tint21", "tint22", "tint23",
 					  "tint24", "tint25", "tint26", "tint27",
 					  "tint28", "tint29", "tint30", "tint31",
-					  "bus-err";
+					  "bus-err", "ec7tie1-0", "ec7tie2-0",
+					  "ec7tiovf-0";
 			clocks = <&cpg CPG_MOD R9A08G045_IA55_CLK>,
 				 <&cpg CPG_MOD R9A08G045_IA55_PCLK>;
 			clock-names = "clk", "pclk";
@@ -264,6 +273,20 @@
 			      <0x0 0x12440000 0 0x60000>;
 			interrupts = <GIC_PPI 9 IRQ_TYPE_LEVEL_LOW>;
 		};
+
+		wdt0: watchdog@12800800 {
+			compatible = "renesas,r9a08g045-wdt", "renesas,rzg2l-wdt";
+			reg = <0 0x12800800 0 0x400>;
+			clocks = <&cpg CPG_MOD R9A08G045_WDT0_PCLK>,
+				 <&cpg CPG_MOD R9A08G045_WDT0_CLK>;
+			clock-names = "pclk", "oscclk";
+			interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "wdt", "perrout";
+			resets = <&cpg R9A08G045_WDT0_PRESETN>;
+			power-domains = <&cpg>;
+			status = "disabled";
+		};
 	};
 
 	timer {