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Commit 9693219a authored by Icenowy Zheng's avatar Icenowy Zheng Committed by Maxime Ripard
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ARM: sun8i: a23/a33: drop bl_en_pin GPIO pinmux in reference design DTSI 



The bl_en_pin GPIO pinmux is configured as "gpio_in", which makes it
conflicts with the real GPIO usage (out), and makes the backlight not
usable.

Drop the GPIO pinmux for it, thus this GPIO can be correctly used.

Signed-off-by: default avatarIcenowy Zheng <icenowy@aosc.xyz>
Signed-off-by: default avatarMaxime Ripard <maxime.ripard@free-electrons.com>
parent 0cdefd5b

arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi

+0 −7
Original line number Original line Diff line number Diff line
@@ -50,8 +50,6 @@ 




	backlight: backlight {

	backlight: backlight {

		compatible = "pwm-backlight";

		compatible = "pwm-backlight";

		pinctrl-names = "default";

		pinctrl-0 = <&bl_en_pin>;

		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;

		pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;

		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;

		brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;

		default-brightness-level = <8>;

		default-brightness-level = <8>;
@@ -93,11 +91,6 @@ 
};

};





&pio {

&pio {

	bl_en_pin: bl_en_pin@0 {

		pins = "PH6";

		function = "gpio_in";

	};



	mmc0_cd_pin: mmc0_cd_pin@0 {

	mmc0_cd_pin: mmc0_cd_pin@0 {

		pins = "PB4";

		pins = "PB4";

		function = "gpio_in";

		function = "gpio_in";