diff --git a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
index 50cb2f0e6e732..a3623e70f02c9 100644
--- a/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
+++ b/arch/arm64/boot/dts/renesas/r9a07g054.dtsi
@@ -614,18 +614,48 @@
 		};
 
 		wdt0: watchdog@12800800 {
+			compatible = "renesas,r9a07g054-wdt",
+				     "renesas,rzg2l-wdt";
 			reg = <0 0x12800800 0 0x400>;
-			/* place holder */
+			clocks = <&cpg CPG_MOD R9A07G054_WDT0_PCLK>,
+				 <&cpg CPG_MOD R9A07G054_WDT0_CLK>;
+			clock-names = "pclk", "oscclk";
+			interrupts = <GIC_SPI 49 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 50 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "wdt", "perrout";
+			resets = <&cpg R9A07G054_WDT0_PRESETN>;
+			power-domains = <&cpg>;
+			status = "disabled";
 		};
 
 		wdt1: watchdog@12800c00 {
+			compatible = "renesas,r9a07g054-wdt",
+				     "renesas,rzg2l-wdt";
 			reg = <0 0x12800C00 0 0x400>;
-			/* place holder */
+			clocks = <&cpg CPG_MOD R9A07G054_WDT1_PCLK>,
+				 <&cpg CPG_MOD R9A07G054_WDT1_CLK>;
+			clock-names = "pclk", "oscclk";
+			interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "wdt", "perrout";
+			resets = <&cpg R9A07G054_WDT1_PRESETN>;
+			power-domains = <&cpg>;
+			status = "disabled";
 		};
 
 		wdt2: watchdog@12800400 {
+			compatible = "renesas,r9a07g054-wdt",
+				     "renesas,rzg2l-wdt";
 			reg = <0 0x12800400 0 0x400>;
-			/* place holder */
+			clocks = <&cpg CPG_MOD R9A07G054_WDT2_PCLK>,
+				 <&cpg CPG_MOD R9A07G054_WDT2_CLK>;
+			clock-names = "pclk", "oscclk";
+			interrupts = <GIC_SPI 53 IRQ_TYPE_LEVEL_HIGH>,
+				     <GIC_SPI 54 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "wdt", "perrout";
+			resets = <&cpg R9A07G054_WDT2_PRESETN>;
+			power-domains = <&cpg>;
+			status = "disabled";
 		};
 
 		ostm0: timer@12801000 {