arm64: dts: renesas: r9a09g057: Add RTC node

[ Upstream commit cfc733d ]

Add RTC node to Renesas RZ/V2H ("R9A09G057") SoC DTSI.

Signed-off-by: Ovidiu Panait <ovidiu.panait.rb@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251107210706.45044-4-ovidiu.panait.rb@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Stable-dep-of: a3f3465 ("arm64: dts: renesas: r9a09g057: Remove wdt{0,2,3} nodes")
Signed-off-by: Sasha Levin <sashal@kernel.org>

Author: Ovidiu Panait

arch/arm64/boot/dts/renesas/r9a09g057.dtsi

@@ -586,6 +586,21 @@
 			status = "disabled";
 		};
 
+		rtc: rtc@11c00800 {
+			compatible = "renesas,r9a09g057-rtca3", "renesas,rz-rtca3";
+			reg = <0 0x11c00800 0 0x400>;
+			interrupts = <GIC_SPI 524 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 525 IRQ_TYPE_EDGE_RISING>,
+				     <GIC_SPI 526 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "alarm", "period", "carry";
+			clocks = <&cpg CPG_MOD 0x53>, <&rtxin_clk>;
+			clock-names = "bus", "counter";
+			power-domains = <&cpg>;
+			resets = <&cpg 0x79>, <&cpg 0x7a>;
+			reset-names = "rtc", "rtest";
+			status = "disabled";
+		};
+
 		scif: serial@11c01400 {
 			compatible = "renesas,scif-r9a09g057";
 			reg = <0 0x11c01400 0 0x400>;