diff --git a/arch/arm/boot/dts/imx6ul-isiot.dtsi b/arch/arm/boot/dts/imx6ul-isiot.dtsi
index b0ecebb512b3..921e12c69a00 100644
--- a/arch/arm/boot/dts/imx6ul-isiot.dtsi
+++ b/arch/arm/boot/dts/imx6ul-isiot.dtsi
@@ -142,6 +142,7 @@ &i2c1 {
 	sgtl5000: codec@a {
 		compatible = "fsl,sgtl5000";
 		reg = <0x0a>;
+		#sound-dai-cells = <0>;
 		clocks = <&clks IMX6UL_CLK_OSC>;
 		clock-names = "mclk";
 		VDDA-supply = <&reg_3p3v>;