Add a node describing the lcd panel backlight on the iNet1 tablet. Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx> --- arch/arm/boot/dts/sun4i-a10-inet1.dts | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/arch/arm/boot/dts/sun4i-a10-inet1.dts b/arch/arm/boot/dts/sun4i-a10-inet1.dts index 703d756..df1be08 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"; }; @@ -164,6 +175,13 @@ }; &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>; + }; + touchscreen_wake_pin: touchscreen_wake_pin@0 { allwinner,pins = "PB13"; allwinner,function = "gpio_out"; @@ -186,6 +204,12 @@ }; }; +&pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pwm0_pins_a>; + status = "okay"; +}; + ®_dcdc2 { regulator-always-on; regulator-min-microvolt = <1000000>; -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html