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 <w...@csie.org>
---
 arch/arm/boot/dts/sun8i-a23-a33.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-a23-a33.dtsi 
b/arch/arm/boot/dts/sun8i-a23-a33.dtsi
index e7054304018a..8f4db82084c5 100644
--- 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";
-- 
2.5.1

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