diff options
| author | Vasily Khoruzhick <anarsoul@gmail.com> | 2018-10-09 06:46:09 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@bootlin.com> | 2018-11-05 11:21:58 +0300 |
| commit | 2dae149d9219edaa97f87a0282a5695639c27435 (patch) | |
| tree | be8d469c7fe831711dd0736ef49485b4b68071fb /arch/arm64/boot/dts/allwinner | |
| parent | 651022382c7f8da46cb4872a545ee1da6d097d2a (diff) | |
| download | linux-2dae149d9219edaa97f87a0282a5695639c27435.tar.xz | |
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: Vasily Khoruzhick <anarsoul@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
Diffstat (limited to 'arch/arm64/boot/dts/allwinner')
| -rw-r--r-- | arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts index 77fac84797e9..ec537c529726 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts @@ -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 { |