From: Liu Ying Date: Mon, 20 Jan 2020 02:31:42 +0000 (+0800) Subject: MLK-23252-14 arm64: dts: imx8mp-evk: Add PWM backlight support for LVDS panel X-Git-Tag: rel_imx_5.10.35_2.0.0-somdevices.0~577^2~2^2~424 X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=6946f98ed7152bc8d49f5b135cb738a04fa23135;p=linux.git MLK-23252-14 arm64: dts: imx8mp-evk: Add PWM backlight support for LVDS panel This patch adds PWM backlight device tree node support for LVDS panel on the i.MX8mp EVK platform. Reviewed-by: Sandor Yu Signed-off-by: Liu Ying --- diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts index 948e3794d810..9a75a6b08973 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts @@ -92,6 +92,25 @@ model = "imx-audio-micfil"; cpu-dai = <&micfil>; }; + + lvds_backlight: lvds_backlight { + compatible = "pwm-backlight"; + pwms = <&pwm2 0 100000>; + status = "okay"; + + 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 + 30 31 32 33 34 35 36 37 38 39 + 40 41 42 43 44 45 46 47 48 49 + 50 51 52 53 54 55 56 57 58 59 + 60 61 62 63 64 65 66 67 68 69 + 70 71 72 73 74 75 76 77 78 79 + 80 81 82 83 84 85 86 87 88 89 + 90 91 92 93 94 95 96 97 98 99 + 100>; + default-brightness-level = <80>; + }; }; &A53_0 {