From: Chen-Yu Tsai <wens@xxxxxxxx>
Q8 format tablets use channel 0 of the PWM controller for backlight dimming.
Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
---
Changes in v2:
-Enable the pwm controller in sunxi-q8-common.dtsi rather then in
sun8i-q8-common.dtsi
---
arch/arm/boot/dts/sunxi-q8-common.dtsi | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/arch/arm/boot/dts/sunxi-q8-common.dtsi b/arch/arm/boot/dts/sunxi-q8-common.dtsi
index 17b26ff..b824146 100644
--- a/arch/arm/boot/dts/sunxi-q8-common.dtsi
+++ b/arch/arm/boot/dts/sunxi-q8-common.dtsi
@@ -75,3 +75,9 @@
voltage = <400000>;
};
};
+
+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm0_pins>;
+ status = "okay";
+};
--
2.4.3
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