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Groups > linux.kernel > #1228069
| From | Hans de Goede <hdegoede@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [linux-sunxi] [PATCH 2/4] ARM: dts: sun8i: Add PWM channel 0 pinmux setting for A23/A33 |
| Date | 2015-09-18 17:40 +0200 |
| Message-ID | <qa5Vv-6Jf-7@gated-at.bofh.it> (permalink) |
| References | <q9YqZ-4pF-3@gated-at.bofh.it> <q9Yr1-4pF-21@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Hi,
On 09/18/2015 03:35 AM, Chen-Yu Tsai wrote:
> 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>
> ---
> 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 {
This should be "pwm0_pins_a: pwm0@0" so as to be consistent with the a10 / a20 dtsi
files.
Regards,
Hans
> + 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";
>
--
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[PATCH 0/4] ARM: dts: sun8i: Add pwm-backlight device for A23/A33 Q8 format tablets Chen-Yu Tsai <wens@csie.org> - 2015-09-18 09:40 +0200
[PATCH 2/4] ARM: dts: sun8i: Add PWM channel 0 pinmux setting for A23/A33 Chen-Yu Tsai <wens@csie.org> - 2015-09-18 09:40 +0200
Re: [linux-sunxi] [PATCH 2/4] ARM: dts: sun8i: Add PWM channel 0 pinmux setting for A23/A33 Hans de Goede <hdegoede@redhat.com> - 2015-09-18 17:40 +0200
Re: [linux-sunxi] [PATCH 2/4] ARM: dts: sun8i: Add PWM channel 0 pinmux setting for A23/A33 Chen-Yu Tsai <wens@csie.org> - 2015-09-18 18:20 +0200
Re: [linux-sunxi] [PATCH 2/4] ARM: dts: sun8i: Add PWM channel 0 pinmux setting for A23/A33 Maxime Ripard <maxime.ripard@free-electrons.com> - 2015-09-18 21:40 +0200
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