diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2015-11-20 16:59:07 +0300 |
|---|---|---|
| committer | Maxime Ripard <maxime.ripard@free-electrons.com> | 2015-11-20 19:36:37 +0300 |
| commit | 8a7b89d1f674c5202908935267fcade13c83f76e (patch) | |
| tree | 3d3d8211d1bbf74bc91b87da9a8ce5497e2e01d5 | |
| parent | a292e576f533070b39547077a5662d33f6c3ed07 (diff) | |
| download | linux-8a7b89d1f674c5202908935267fcade13c83f76e.tar.xz | |
ARM: dts: sun4i: Add backlight node to iNet1 tablet
Add a node describing the lcd panel backlight on the iNet1 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>
| -rw-r--r-- | arch/arm/boot/dts/sun4i-a10-inet1.dts | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/sun4i-a10-inet1.dts b/arch/arm/boot/dts/sun4i-a10-inet1.dts index 0711fa26ca67..d46a141bb847 100644 --- a/arch/arm/boot/dts/sun4i-a10-inet1.dts +++ b/arch/arm/boot/dts/sun4i-a10-inet1.dts @@ -47,6 +47,7 @@ #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 = "iNet-1"; @@ -56,6 +57,16 @@ serial0 = &uart0; }; + backlight: backlight { + compatible = "pwm-backlight"; + pinctrl-names = "default"; + pinctrl-0 = <&bl_en_pin_inet>; + 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 7 GPIO_ACTIVE_HIGH>; /* PH7 */ + }; + chosen { stdout-path = "serial0:115200n8"; }; @@ -155,6 +166,13 @@ }; &pio { + bl_en_pin_inet: bl_en_pin@0 { + allwinner,pins = "PH7"; + allwinner,function = "gpio_out"; + allwinner,drive = <SUN4I_PINCTRL_10_MA>; + allwinner,pull = <SUN4I_PINCTRL_NO_PULL>; + }; + usb0_id_detect_pin: usb0_id_detect_pin@0 { allwinner,pins = "PH4"; allwinner,function = "gpio_in"; @@ -170,6 +188,12 @@ }; }; +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pins_a>; + status = "okay"; +}; + ®_dcdc2 { regulator-always-on; regulator-min-microvolt = <1000000>; |