diff --git a/src/arm/nxp/imx/imx6ul-isiot.dtsi b/src/arm/nxp/imx/imx6ul-isiot.dtsi
index 14fc482..ee86c36 100644
--- a/src/arm/nxp/imx/imx6ul-isiot.dtsi
+++ b/src/arm/nxp/imx/imx6ul-isiot.dtsi
@@ -20,7 +20,7 @@
 
 	backlight {
 		compatible = "pwm-backlight";
-		pwms = <&pwm8 0 100000>;
+		pwms = <&pwm8 0 100000 0>;
 		brightness-levels = < 0  1  2  3  4  5  6  7  8  9
 				     10 11 12 13 14 15 16 17 18 19
 				     20 21 22 23 24 25 26 27 28 29
@@ -187,7 +187,6 @@
 };
 
 &pwm8 {
-	#pwm-cells = <2>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_pwm8>;
 	status = "okay";