diff options
| author | Aleksei Mamlin <mamlinav@gmail.com> | 2015-12-18 09:52:22 +0100 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2015-12-21 16:44:46 +0100 |
| commit | 028997bb92a5bcc5d8ec936f7d522910c16c2579 (patch) | |
| tree | f5cebb56e81dffa9dca078b868512c45a3a826f4 | |
| parent | ARM: dts: sun7i: Enable touchscreen on Wexler TAB7200 tablet (diff) | |
| download | linux-028997bb92a5bcc5d8ec936f7d522910c16c2579.tar.xz linux-028997bb92a5bcc5d8ec936f7d522910c16c2579.zip | |
ARM: dts: sun7i: Add backlight node to Wexler TAB7200 tablet
Add a backlight for controlling the lcd panel backlight on Wexler TAB7200 tablet
Signed-off-by: Aleksei Mamlin <mamlinav@gmail.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
| -rw-r--r-- | arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts b/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts index 1dc90796dcaa..f47e5f1ef78b 100644 --- a/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts +++ b/arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts @@ -48,6 +48,7 @@ #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/input/input.h> #include <dt-bindings/interrupt-controller/irq.h> +#include <dt-bindings/pwm/pwm.h> / { model = "Wexler TAB7200"; @@ -57,6 +58,16 @@ serial0 = &uart0; }; + backlight { + compatible = "pwm-backlight"; + pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; + brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; + default-brightness-level = <8>; + pinctrl-names = "default"; + pinctrl-0 = <&bl_enable_pin>; + enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */ + }; + chosen { stdout-path = "serial0:115200n8"; }; @@ -158,6 +169,13 @@ }; &pio { + bl_enable_pin: bl_enable_pin@0 { + allwinner,pins = "PH7"; + allwinner,function = "gpio_out"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + ts_reset_pin: ts_reset_pin@0 { allwinner,pins = "PB13"; allwinner,function = "gpio_out"; |