[PATCH v6 3/3] riscv: dts: sophgo: add rtc dt node for CV1800

[Jingbao Qiu]

Add the rtc device tree node to cv1800 SoC.

Signed-off-by: Jingbao Qiu <qiujingbao.dlmu@xxxxxxxxx>
---
 arch/riscv/boot/dts/sophgo/cv1800b.dtsi | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
index df40e87ee063..66bb4a752b91 100644
--- a/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv1800b.dtsi
@@ -119,5 +119,17 @@ clint: timer@74000000 {
 			reg = <0x74000000 0x10000>;
 			interrupts-extended = <&cpu0_intc 3>, <&cpu0_intc 7>;
 		};
+
+		rtc: rtc@5025000 {
+			compatible = "sophgo,cv1800-rtc", "syscon";
+			reg = <0x5025000 0x2000>;
+			interrupts = <17 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&osc>;
+		};
+
+		por {
+			compatible = "sophgo,cv1800-por";
+			sophgo,rtc-sysreg = <&rtc>;
+		};
 	};
 };
-- 
2.43.0