diff --git a/arch/arm/boot/dts/aspeed-bmc-inspur-fp5280g2.dts b/arch/arm/boot/dts/aspeed-bmc-inspur-fp5280g2.dts
index 1752f3250e44..d0c3acbf6c8c 100644
--- a/arch/arm/boot/dts/aspeed-bmc-inspur-fp5280g2.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-inspur-fp5280g2.dts
@@ -3,6 +3,7 @@
 #include "aspeed-g5.dtsi"
 #include <dt-bindings/gpio/aspeed-gpio.h>
 #include <dt-bindings/leds/leds-pca955x.h>
+#include <dt-bindings/interrupt-controller/irq.h>
 
 / {
 	model = "FP5280G2 BMC";
@@ -902,4 +903,10 @@ fan@7 {
 
 };
 
+&kcs3 {
+	status = "okay";
+	aspeed,lpc-io-reg = <0xca2>;
+	aspeed,lpc-interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
+};
+
 #include "ibm-power9-dual.dtsi"