[linux-sunxi] [PATCH 3/4] ARM: dts: sun8i: Enable PWM controller on A23/A33 Q8 format tablets
Hans de Goede
hdegoede at redhat.com
Fri Sep 18 08:32:37 PDT 2015
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 at csie.org>
> ---
> 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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