diff --git a/arch/mips/boot/dts/ingenic/ci20.dts b/arch/mips/boot/dts/ingenic/ci20.dts
index 8b5fb635c66f..c340f947baa0 100644
--- a/arch/mips/boot/dts/ingenic/ci20.dts
+++ b/arch/mips/boot/dts/ingenic/ci20.dts
@@ -4,6 +4,7 @@
 #include "jz4780.dtsi"
 #include <dt-bindings/clock/ingenic,tcu.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 #include <dt-bindings/regulator/active-semi,8865-regulator.h>
 
 / {
@@ -270,7 +271,9 @@
 		rtc@51 {
 			compatible = "nxp,pcf8563";
 			reg = <0x51>;
-			interrupts = <110>;
+
+			interrupt-parent = <&gpf>;
+			interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
 		};
 };