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| author |   Hans de Goede <hdegoede@redhat.com> | 2016-03-13 08:39:37 +0100 |
|---|---|---|
| committer |   Maxime Ripard <maxime.ripard@free-electrons.com> | 2016-03-27 16:15:04 +0200 |
| commit | f7eda3d52b6215cb08535934eeba7b561076e09b (patch) | |
| tree | b1f3e0abbbf42af79d6c5f36c8a2c9d935113348 /arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts | |
| parent | ARM: dts: sun8i: Add pmic nodes to sun8i-a23-gt90h-v4 (diff) | |
| download | linux-dev-f7eda3d52b6215cb08535934eeba7b561076e09b.tar.xz linux-dev-f7eda3d52b6215cb08535934eeba7b561076e09b.zip | |
ARM: dts: sun8i: Add backlight / pwm nodes to sun8i-a23-gt90h-v4
Add nodes for the backlight / pwm found on a23-gt90h-v4 tablets.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts')
| -rw-r--r-- | arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts b/arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts index 6a22ee3dcb55..1be8d5f6134d 100644 --- a/arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts +++ b/arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts @@ -47,6 +47,7 @@ #include <dt-bindings/gpio/gpio.h> #include <dt-bindings/input/input.h> #include <dt-bindings/pinctrl/sun4i-a10.h> +#include <dt-bindings/pwm/pwm.h> / { model = "Allwinner GT90H Quad Core Tablet (v4)"; @@ -56,6 +57,16 @@ serial0 = &r_uart; }; + backlight: backlight { + compatible = "pwm-backlight"; + pinctrl-names = "default"; + pinctrl-0 = <&bl_en_pin_gt90h>; + pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>; + brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>; + default-brightness-level = <8>; + enable-gpios = <&pio 7 6 GPIO_ACTIVE_HIGH>; /* PH6 */ + }; + chosen { stdout-path = "serial0:115200n8"; }; @@ -115,6 +126,13 @@ }; &pio { + bl_en_pin_gt90h: bl_en_pin@0 { + allwinner,pins = "PH6"; + allwinner,function = "gpio_in"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + mmc0_cd_pin_gt90h: mmc0_cd_pin@0 { allwinner,pins = "PB4"; allwinner,function = "gpio_in"; @@ -123,6 +141,12 @@ }; }; +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pins>; + status = "okay"; +}; + &r_rsb { status = "okay"; |