arm64: dts: renesas: r9a07g054: Fillup the WDT{0,1,2} stub nodes

Fillup the WDT{0,1,2} stub nodes in RZ/V2L (R9A07G054) SoC DTSI.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Link: https://lore.kernel.org/r/20220227203744.18355-9-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

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 {