diff --git a/arch/arm64/boot/dts/rockchip/rv1126b.dtsi b/arch/arm64/boot/dts/rockchip/rv1126b.dtsi
index 218ad1a3e479..65de6728b29f 100644
--- a/arch/arm64/boot/dts/rockchip/rv1126b.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rv1126b.dtsi
@@ -394,7 +394,7 @@
 		compatible = "rockchip,fiq-debugger";
 		rockchip,serial-id = <0>;
 		rockchip,wake-irq = <0>;
-		rockchip,irq-mode-enable = <0>;
+		rockchip,irq-mode-enable = <1>;
 		rockchip,baudrate = <1500000>;  /* Only 115200 and 1500000 */
 		interrupts = <GIC_SPI 240 IRQ_TYPE_LEVEL_HIGH>;
 		status = "disabled";