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ARM: dts: sun8i: Add backlight / pwm nodes to sun8i-a23-gt90h-v4

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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>
This commit is contained in:
Hans de Goede 2016-03-13 08:39:37 +01:00 committed by Maxime Ripard
parent a1162a917d
commit f7eda3d52b
1 changed files with 24 additions and 0 deletions
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24
arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts
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@ -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";