diff --git a/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi b/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi
index 6eb80f867f50..a66af8116a06 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6ul.dtsi
@@ -944,6 +944,7 @@ adc1: adc@2198000 {
 				interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>;
 				clocks = <&clks IMX6UL_CLK_ADC1>;
 				clock-names = "adc";
+				#io-channel-cells = <1>;
 				fsl,adck-max-frequency = <30000000>, <40000000>,
 							 <20000000>;
 				status = "disabled";