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ARM: dts: sun4i: Add backlight node to iNet1 tablet

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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>
This commit is contained in:
Hans de Goede 2015-11-20 14:59:07 +01:00 committed by Maxime Ripard
parent a292e576f5
commit 8a7b89d1f6
1 changed files with 24 additions and 0 deletions
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24
arch/arm/boot/dts/sun4i-a10-inet1.dts
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@ -47,6 +47,7 @@
#include <dt-bindings/input/input.h> #include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/interrupt-controller/irq.h>
#include <dt-bindings/pinctrl/sun4i-a10.h> #include <dt-bindings/pinctrl/sun4i-a10.h>
#include <dt-bindings/pwm/pwm.h>
/ { / {
model = "iNet-1"; model = "iNet-1";
@ -56,6 +57,16 @@ aliases {
serial0 = &uart0; 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 { chosen {
stdout-path = "serial0:115200n8"; stdout-path = "serial0:115200n8";
}; };
@ -155,6 +166,13 @@ &otg_sram {
}; };
&pio { &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 { usb0_id_detect_pin: usb0_id_detect_pin@0 {
allwinner,pins = "PH4"; allwinner,pins = "PH4";
allwinner,function = "gpio_in"; allwinner,function = "gpio_in";
@ -170,6 +188,12 @@ usb0_vbus_detect_pin: usb0_vbus_detect_pin@0 {
}; };
}; };
&pwm {
pinctrl-names = "default";
pinctrl-0 = <&pwm0_pins_a>;
status = "okay";
};
&reg_dcdc2 { &reg_dcdc2 {
regulator-always-on; regulator-always-on;
regulator-min-microvolt = <1000000>; regulator-min-microvolt = <1000000>;