diff --git a/src/arm/nxp/imx/imx6ul-pico.dtsi b/src/arm/nxp/imx/imx6ul-pico.dtsi
index 07dcecb..fe307f4 100644
--- a/src/arm/nxp/imx/imx6ul-pico.dtsi
+++ b/src/arm/nxp/imx/imx6ul-pico.dtsi
@@ -22,7 +22,7 @@
 
 	backlight: backlight {
 		compatible = "pwm-backlight";
-		pwms = <&pwm3 0 5000000>;
+		pwms = <&pwm3 0 5000000 0>;
 		brightness-levels = <0 4 8 16 32 64 128 255>;
 		default-brightness-level = <6>;
 		status = "okay";
@@ -177,7 +177,6 @@
 };
 
 &pwm3 {
-	#pwm-cells = <2>;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_pwm3>;
 	status = "okay";