diff --git a/dts/arm/gigadevice/gd32f403/gd32f403.dtsi b/dts/arm/gigadevice/gd32f403/gd32f403.dtsi
index aae5cf3..98dce7e 100644
--- a/dts/arm/gigadevice/gd32f403/gd32f403.dtsi
+++ b/dts/arm/gigadevice/gd32f403/gd32f403.dtsi
@@ -91,6 +91,21 @@
 			label = "USART_4";
 		};
 
+		exti: interrupt-controller@40010400 {
+			compatible = "gd,gd32-exti";
+			interrupt-controller;
+			#interrupt-cells = <1>;
+			reg = <0x40010400 0x400>;
+			num-lines = <19>;
+			interrupts = <6 0>, <7 0>, <8 0>, <9 0>, <10 0>, <23 0>,
+				     <40 0>;
+			interrupt-names = "line0", "line1", "line2",
+					  "line3", "line4", "line5-9",
+					  "line10-15";
+			status = "okay";
+			label = "EXTI";
+		};
+
 		afio: afio@40010000 {
 			compatible = "gd,gd32-afio";
 			reg = <0x40010000 0x400>;