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arm64: dts: renesas: r8a77990: ebisu: Add backlight 

Add the backlight device for the LVDS1 output, in preparation for panel
support.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Ulrich Hecht <uli+renesas@fpond.eu>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Laurent Pinchart 2018-12-16 13:47:44 +02:00 committed by Simon Horman
parent bfeffd1552
commit 9d16c4a10e
1 changed files with 19 additions and 0 deletions
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19
arch/arm64/boot/dts/renesas/r8a77990-ebisu.dts
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@ -39,6 +39,16 @@ audio_clkout: audio-clkout {
clock-frequency = <11289600>;
};
backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pwm3 0 50000>;
brightness-levels = <512 511 505 494 473 440 392 327 241 133 0>;
default-brightness-level = <10>;
power-supply = <&reg_12p0v>;
};
cvbs-in {
compatible = "composite-video-connector";
label = "CVBS IN";
@ -184,6 +194,15 @@ x12_clk: x12 {
clock-frequency = <24576000>;
};
reg_12p0v: regulator1 {
compatible = "regulator-fixed";
regulator-name = "D12.0V";
regulator-min-microvolt = <12000000>;
regulator-max-microvolt = <12000000>;
regulator-boot-on;
regulator-always-on;
};
x13_clk: x13 {
compatible = "fixed-clock";
#clock-cells = <0>;