diff --git a/arch/arm64/boot/dts/freescale/imx8mp-ab2.dts b/arch/arm64/boot/dts/freescale/imx8mp-ab2.dts
index 443e4fd5b9bf..285bf79864eb 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-ab2.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mp-ab2.dts
@@ -775,6 +775,10 @@ &micfil {
 	status = "okay";
 };
 
+&mu2 {
+	status = "okay";
+};
+
 &pwm1 {
 	pinctrl-0 = <&pinctrl_pwm1>;
 	pinctrl-names = "default";