| Message ID | 20181009034609.24892-1-anarsoul@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: dts: allwinner: add backlight regulator for Pinebook | expand |
On Mon, Oct 08, 2018 at 08:46:09PM -0700, Vasily Khoruzhick wrote: > 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> Queued for 4.21, thanks! Maxime
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts index 897e60cbe38d..e2e426334cfe 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 {
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> --- arch/arm64/boot/dts/allwinner/sun50i-a64-pinebook.dts | 10 ++++++++++ 1 file changed, 10 insertions(+)