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Unverified Commit 2dae149d authored by Vasily Khoruzhick's avatar Vasily Khoruzhick Committed by Maxime Ripard
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arm64: dts: allwinner: add backlight regulator for Pinebook 



Backlight power is controlled by PH6 GPIO, so add corresponding
regulator-fixed node for it. Otherwise backlight won't light up
if bootloader doesn't enable it.

Signed-off-by: default avatarVasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@bootlin.com>
parent 65102238

arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts

+10 −0
Original line number Diff line number Diff line
@@ -22,12 +22,22 @@ 
		ethernet0 = &rtl8723cs;

	};



	vdd_bl: regulator@0 {

		compatible = "regulator-fixed";

		regulator-name = "bl-3v3";

		regulator-min-microvolt = <3300000>;

		regulator-max-microvolt = <3300000>;

		gpio = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */

		enable-active-high;

	};



	backlight: backlight {

		compatible = "pwm-backlight";

		pwms = <&pwm 0 50000 0>;

		brightness-levels = <0 5 10 15 20 30 40 55 70 85 100>;

		default-brightness-level = <2>;

		enable-gpios = <&pio 3 23 GPIO_ACTIVE_HIGH>; /* PD23 */

		power-supply = <&vdd_bl>;

	};



	chosen {