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: Icenowy Zheng <icenowy@aosc.xyz>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi b/arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi
index 7097c18ff487d4851ca5d76d73e018b75aed7cb2..d6bd15898db6d6cc880fe0abb4999712450dc50e 100644 (file)
--- a/arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi
+++ b/arch/arm/boot/dts/sun8i-reference-design-tablet.dtsi
@@ -50,8 +50,6 @@
 
        backlight: backlight {
                compatible = "pwm-backlight";
-               pinctrl-names = "default";
-               pinctrl-0 = <&bl_en_pin>;
                pwms = <&pwm 0 50000 PWM_POLARITY_INVERTED>;
                brightness-levels = <0 10 20 30 40 50 60 70 80 90 100>;
                default-brightness-level = <8>;
@@ -93,11 +91,6 @@
 };
 
 &pio {
-       bl_en_pin: bl_en_pin@0 {
-               pins = "PH6";
-               function = "gpio_in";
-       };
-
        mmc0_cd_pin: mmc0_cd_pin@0 {
                pins = "PB4";
                function = "gpio_in";