diff --git a/arch/arm/boot/dts/vf610-zii-cfu1.dts b/arch/arm/boot/dts/vf610-zii-cfu1.dts
index 50da0c94e1b7..96495d965163 100644
--- a/arch/arm/boot/dts/vf610-zii-cfu1.dts
+++ b/arch/arm/boot/dts/vf610-zii-cfu1.dts
@@ -225,6 +225,7 @@ io-expander@22 {
 		compatible = "nxp,pca9554";
 		reg = <0x22>;
 		gpio-controller;
+		#gpio-cells = <2>;
 	};
 
 	lm75@48 {