diff --git a/arch/arm/boot/dts/rk3288-evb-android-rk808-edp.dtsi b/arch/arm/boot/dts/rk3288-evb-android-rk808-edp.dtsi
index f05f05cf1f73..d784230e4ebf 100644
--- a/arch/arm/boot/dts/rk3288-evb-android-rk808-edp.dtsi
+++ b/arch/arm/boot/dts/rk3288-evb-android-rk808-edp.dtsi
@@ -86,6 +86,7 @@
 };
 
 &backlight {
+	pwms = <&pwm0 0 1000000 0>;
 	enable-gpios = <&gpio7 RK_PA2 GPIO_ACTIVE_HIGH>;
 };