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Commit 45f0cf84 authored by Hans de Goede's avatar Hans de Goede Committed by Maxime Ripard
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ARM: dts: sun5i: Add backlight node to UTOO P66 tablet 



Add a node describing the lcd panel backlight on the UTOO P66 tablet.

Signed-off-by: default avatarHans de Goede <hdegoede@redhat.com>
Acked-by: default avatarChen-Yu Tsai <wens@csie.org>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent 8a7b89d1

arch/arm/boot/dts/sun5i-a13-utoo-p66.dts

+16 −0
Original line number Diff line number Diff line
@@ -47,11 +47,21 @@ 
#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 = "Utoo P66";

	compatible = "utoo,p66", "allwinner,sun5i-a13";



	backlight: backlight {

		compatible = "pwm-backlight";

		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;

		/* Note levels of 10 / 20% result in backlight off */

		brightness-levels = <0 30 40 50 60 70 80 90 100>;

		default-brightness-level = <6>;

		/* TODO: backlight uses axp gpio1 as enable pin */

	};



	i2c_lcd: i2c@0 {

		/* The lcd panel i2c interface is hooked up via gpios */

		compatible = "i2c-gpio";
@@ -201,6 +211,12 @@ 
	};

};



&pwm {

	pinctrl-names = "default";

	pinctrl-0 = <&pwm0_pins>;

	status = "okay";

};



&reg_dcdc2 {

	regulator-always-on;

	regulator-min-microvolt = <1000000>;