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arm64: dts: rockchip: add backlight support for rk3399 evb board 

Add backlight node for evb board, perpare for panel device node.

Signed-off-by: Yakir Yang <ykk@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Yakir Yang 2016-11-09 21:21:57 +08:00 committed by Heiko Stuebner
parent 2afc1db0c5
commit 578c0e7e83
1 changed files with 40 additions and 0 deletions
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40
arch/arm64/boot/dts/rockchip/rk3399-evb.dts
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@ -49,6 +49,46 @@ / {
compatible = "rockchip,rk3399-evb", "rockchip,rk3399",
"google,rk3399evb-rev2";
backlight: backlight {
compatible = "pwm-backlight";
brightness-levels = <
0 1 2 3 4 5 6 7
8 9 10 11 12 13 14 15
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248 249 250 251 252 253 254 255>;
default-brightness-level = <200>;
enable-gpios = <&gpio1 13 GPIO_ACTIVE_HIGH>;
pwms = <&pwm0 0 25000 0>;
};
clkin_gmac: external-gmac-clock {
compatible = "fixed-clock";
clock-frequency = <125000000>;