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Commit f7eda3d5 authored by Hans de Goede's avatar Hans de Goede Committed by Maxime Ripard
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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: default avatarHans de Goede <hdegoede@redhat.com>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent a1162a91

arch/arm/boot/dts/sun8i-a23-gt90h-v4.dts

+24 −0
Original line number Diff line number Diff line
@@ -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";