diff --git a/arch/arm64/boot/dts/rockchip/px30.dtsi b/arch/arm64/boot/dts/rockchip/px30.dtsi
index f8b0680fb0cb..8c7e8772cd51 100644
--- a/arch/arm64/boot/dts/rockchip/px30.dtsi
+++ b/arch/arm64/boot/dts/rockchip/px30.dtsi
@@ -1575,6 +1575,8 @@
 
 	dmc: dmc {
 		compatible = "rockchip,px30-dmc";
+		interrupts = <GIC_SPI 105 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "complete_irq";
 		devfreq-events = <&dfi>;
 		clocks = <&cru SCLK_DDRCLK>;
 		clock-names = "dmc_clk";