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arm64: dts: renesas: r8a77995: draak: Add backlight

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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: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Laurent Pinchart 2018-11-25 16:40:30 +02:00 committed by Simon Horman
parent 41e30b515a
commit 4fbd4158fe
1 changed files with 20 additions and 0 deletions
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20
arch/arm64/boot/dts/renesas/r8a77995-draak.dts
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@ -24,6 +24,17 @@
stdout-path = "serial0:115200n8";
};
backlight: backlight {
compatible = "pwm-backlight";
pwms = <&pwm1 0 50000>;
brightness-levels = <256 128 64 16 8 4 0>;
default-brightness-level = <6>;
power-supply = <&reg_12p0v>;
enable-gpios = <&gpio4 0 GPIO_ACTIVE_HIGH>;
};
composite-in {
compatible = "composite-video-connector";
@ -104,6 +115,15 @@
regulator-always-on;
};
reg_12p0v: regulator1 {
compatible = "regulator-fixed";
regulator-name = "D12.0V";
regulator-min-microvolt = <12000000>;
regulator-max-microvolt = <12000000>;
regulator-boot-on;
regulator-always-on;
};
vga {
compatible = "vga-connector";