Re: [linux-sunxi] [PATCH 3/4] ARM: dts: sun8i: Enable PWM controller on A23/A33 Q8 format tablets

From: Hans de Goede
Date: Fri Sep 18 2015 - 11:32:57 EST


Hi,

On 09/18/2015 03:35 AM, Chen-Yu Tsai wrote:
A23/A33 based Q8 format tablets use channel 0 of the PWM controller for
backlight dimming.

Signed-off-by: Chen-Yu Tsai <wens@xxxxxxxx>
---
arch/arm/boot/dts/sun8i-q8-common.dtsi | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-q8-common.dtsi b/arch/arm/boot/dts/sun8i-q8-common.dtsi
index 6f8a8bb4e9bb..4c2d0b459d6f 100644
--- a/arch/arm/boot/dts/sun8i-q8-common.dtsi
+++ b/arch/arm/boot/dts/sun8i-q8-common.dtsi
@@ -70,6 +70,12 @@
};
};

+&pwm {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pwm0_pins>;
+ status = "okay";
+};
+
&r_uart {
pinctrl-names = "default";
pinctrl-0 = <&r_uart_pins_a>;


I've a feeling this should be in sunxi-q8-common.dtsi not sun8i-q8-common.dtsi, which requires adding a pwm
node to sun5i.dtsi I'll look into this.

Regards,

Hans


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