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| author | Hans de Goede <hdegoede@redhat.com> | 2015-11-20 14:59:08 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2015-11-20 17:38:53 +0100 |
| commit | 45f0cf84ac7096e76a6fffa17c43d25b50d86d05 (patch) | |
| tree | 82e77283fff3d28c7ea78591e03fcb35265058f5 /arch/arm/boot/dts/sun5i-a13-utoo-p66.dts | |
| parent | ARM: dts: sun4i: Add backlight node to iNet1 tablet (diff) | |
| download | linux-45f0cf84ac7096e76a6fffa17c43d25b50d86d05.tar.xz linux-45f0cf84ac7096e76a6fffa17c43d25b50d86d05.zip | |
ARM: dts: sun5i: Add backlight node to UTOO P66 tablet
Add a node describing the lcd panel backlight on the UTOO P66 tablet.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Acked-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'arch/arm/boot/dts/sun5i-a13-utoo-p66.dts')
| -rw-r--r-- | arch/arm/boot/dts/sun5i-a13-utoo-p66.dts | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun5i-a13-utoo-p66.dts b/arch/arm/boot/dts/sun5i-a13-utoo-p66.dts index eb793d5a2bd6..5236c1e3a1b5 100644 --- a/arch/arm/boot/dts/sun5i-a13-utoo-p66.dts +++ b/arch/arm/boot/dts/sun5i-a13-utoo-p66.dts @@ -47,11 +47,21 @@ #include <dt-bindings/input/input.h> #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/pinctrl/sun4i-a10.h> +#include <dt-bindings/pwm/pwm.h> / { model = "Utoo P66"; compatible = "utoo,p66", "allwinner,sun5i-a13"; + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; + /* Note levels of 10 / 20% result in backlight off */ + brightness-levels = <0 30 40 50 60 70 80 90 100>; + default-brightness-level = <6>; + /* TODO: backlight uses axp gpio1 as enable pin */ + }; + i2c_lcd: i2c@0 { /* The lcd panel i2c interface is hooked up via gpios */ compatible = "i2c-gpio"; @@ -201,6 +211,12 @@ }; }; +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pins>; + status = "okay"; +}; + ®_dcdc2 { regulator-always-on; regulator-min-microvolt = <1000000>; |