This patch adds i.MX7ULP EVK board MIPI-DSI backlight support. Signed-off-by: Anson Huang <Anson.Huang@xxxxxxx> --- Changes since V5: - change #pwm-cells to 3, add polarity settings. --- arch/arm/boot/dts/imx7ulp-evk.dts | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/boot/dts/imx7ulp-evk.dts b/arch/arm/boot/dts/imx7ulp-evk.dts index 3f5ea18..7c44ffa 100644 --- a/arch/arm/boot/dts/imx7ulp-evk.dts +++ b/arch/arm/boot/dts/imx7ulp-evk.dts @@ -8,6 +8,7 @@ /dts-v1/; #include "imx7ulp.dtsi" +#include <dt-bindings/pwm/pwm.h> / { model = "NXP i.MX7ULP EVK"; @@ -22,6 +23,14 @@ reg = <0x60000000 0x40000000>; }; + backlight { + compatible = "pwm-backlight"; + pwms = <&pwm0 1 50000 0>; + brightness-levels = <0 20 25 30 35 40 100>; + default-brightness-level = <6>; + status = "okay"; + }; + reg_vsd_3v3: regulator-vsd-3v3 { compatible = "regulator-fixed"; regulator-name = "VSD_3V3"; -- 2.7.4