linux-kernel - Re: [linux-sunxi] [PATCH 4/5] ARM: dts: sun6i: add pinmux for PWM0

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Date:   Wed, 12 Oct 2016 15:27:37 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Icenowy Zheng <icenowy@...c.xyz>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Russell King <linux@...linux.org.uk>,
        linux-pwm@...r.kernel.org, devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-sunxi <linux-sunxi@...glegroups.com>
Subject: Re: [linux-sunxi] [PATCH 4/5] ARM: dts: sun6i: add pinmux for PWM0

On Wed, Oct 12, 2016 at 12:20 PM, Icenowy Zheng <icenowy@...c.xyz> wrote:
> PWM0 is used by sun6i tablets as the backlight PWM.
>
> Add pinmux for it.
>
> Signed-off-by: Icenowy Zheng <icenowy@...c.xyz>
> ---
>  arch/arm/boot/dts/sun6i-a31.dtsi | 7 +++++++
>  1 file changed, 7 insertions(+)
>
> diff --git a/arch/arm/boot/dts/sun6i-a31.dtsi b/arch/arm/boot/dts/sun6i-a31.dtsi
> index 97626ce..76f5a06 100644
> --- a/arch/arm/boot/dts/sun6i-a31.dtsi
> +++ b/arch/arm/boot/dts/sun6i-a31.dtsi
> @@ -494,6 +494,13 @@
>                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
>                         };
>
> +                       pwm0_pins: pwm0@0 {
> +                               allwinner,pins = "PH13";
> +                               allwinner,function = "pwm0";
> +                               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
> +                               allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;

Maxime is updating the pinctrl bindings to use generic pinconf,
but otherwise this patch looks good.

ChenYu

> +                       };
> +
>                         mmc0_pins_a: mmc0@0 {
>                                 allwinner,pins = "PF0", "PF1", "PF2",
>                                                  "PF3", "PF4", "PF5";
> --
> 2.10.1
>
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