ARM: dts: sun8i: Add PWM channel 0 pinmux setting for A23/A33

The PWM controller has 2 outputs, with one usable pin for each.

Add a pinmux setting for the first channel. This is often used
for backlight dimming on tablets.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
index e705430..8f4db82 100644 (file)
--- a/arch/arm/boot/dts/sun8i-a23-a33.dtsi
+++ b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
@@ -412,6 +412,13 @@
                                allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
                        };
 
+                       pwm0_pins: pwm0 {
+                               allwinner,pins = "PH0";
+                               allwinner,function = "pwm0";
+                               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+                               allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+                       };
+
                        i2c0_pins_a: i2c0@0 {
                                allwinner,pins = "PH2", "PH3";
                                allwinner,function = "i2c0";