ARM: dts: sun7i: Add backlight node to Wexler TAB7200 tablet (028997bb) · Commits · 戴 / test

arch/arm/boot/dts/sun7i-a20-wexler-tab7200.dts

+18 −0

Original line number	Diff line number	Diff line
		@@ -48,6 +48,7 @@
		#include <dt-bindings/gpio/gpio.h>
		#include <dt-bindings/input/input.h>
		#include <dt-bindings/interrupt-controller/irq.h>
		#include <dt-bindings/pwm/pwm.h>

		/ {
		model = "Wexler TAB7200";
		@@ -57,6 +58,16 @@
		serial0 = &uart0;
		};

		backlight {
		compatible = "pwm-backlight";
		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
		default-brightness-level = <8>;
		pinctrl-names = "default";
		pinctrl-0 = <&bl_enable_pin>;
		enable-gpios = <&pio 7 7 GPIO_ACTIVE_HIGH>; /* PH7 */
		};

		chosen {
		stdout-path = "serial0:115200n8";
		};
		@@ -158,6 +169,13 @@
		};

		&pio {
		bl_enable_pin: bl_enable_pin@0 {
		allwinner,pins = "PH7";
		allwinner,function = "gpio_out";
		allwinner,drive = <SUN4I_PINCTRL_10_MA>;
		allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
		};

		ts_reset_pin: ts_reset_pin@0 {
		allwinner,pins = "PB13";
		allwinner,function = "gpio_out";