linux-kernel - Re: [PATCH 5/5] arm: dts: axpxx: add charge led node

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Message-ID: <CAGb2v66B3X=hyCCanUv6yGziVcu3WrRcKODBp266ODL+yQ4m1w@mail.gmail.com>
Date:   Wed, 6 Feb 2019 00:16:53 +0800
From:   Chen-Yu Tsai <wens@...e.org>
To:     Stefan Mavrodiev <stefan@...mex.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "open list:X-POWERS MULTIFUNCTION PMIC DEVICE DRIVERS" 
        <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 5/5] arm: dts: axpxx: add charge led node

On Thu, Jan 31, 2019 at 4:25 PM Stefan Mavrodiev <stefan@...mex.com> wrote:
>
> Add dt node for axp20x-led driver controlling CHGLED.
> Default status is disabled, since it may be not used.
>
> Signed-off-by: Stefan Mavrodiev <stefan@...mex.com>

Please include a cover letter for such a patch series.

Also, do any boards actually use this? I know the Pine64 does, but the
LED is left to the user to populate. I would really like to have an in
kernel user of this function, so that we can verify it.

ChenYu

> ---
>  arch/arm/boot/dts/axp209.dtsi | 5 +++++
>  arch/arm/boot/dts/axp22x.dtsi | 5 +++++
>  arch/arm/boot/dts/axp81x.dtsi | 5 +++++
>  3 files changed, 15 insertions(+)
>
> diff --git a/arch/arm/boot/dts/axp209.dtsi b/arch/arm/boot/dts/axp209.dtsi
> index 0d9ff12bdf28..f972b6f3ecd0 100644
> --- a/arch/arm/boot/dts/axp209.dtsi
> +++ b/arch/arm/boot/dts/axp209.dtsi
> @@ -69,6 +69,11 @@
>                 #gpio-cells = <2>;
>         };
>
> +       axp_led: led {
> +               compatible = "x-powers,axp20x-led";
> +               status = "disabled";
> +       };
> +
>         battery_power_supply: battery-power-supply {
>                 compatible = "x-powers,axp209-battery-power-supply";
>                 status = "disabled";
> diff --git a/arch/arm/boot/dts/axp22x.dtsi b/arch/arm/boot/dts/axp22x.dtsi
> index 65a07a67aca9..92a0b64252b1 100644
> --- a/arch/arm/boot/dts/axp22x.dtsi
> +++ b/arch/arm/boot/dts/axp22x.dtsi
> @@ -62,6 +62,11 @@
>                 #io-channel-cells = <1>;
>         };
>
> +       axp_led: led {
> +               compatible = "x-powers,axp20x-led";
> +               status = "disabled";
> +       };
> +
>         battery_power_supply: battery-power-supply {
>                 compatible = "x-powers,axp221-battery-power-supply";
>                 status = "disabled";
> diff --git a/arch/arm/boot/dts/axp81x.dtsi b/arch/arm/boot/dts/axp81x.dtsi
> index bd83962d3627..22e243cc40d5 100644
> --- a/arch/arm/boot/dts/axp81x.dtsi
> +++ b/arch/arm/boot/dts/axp81x.dtsi
> @@ -74,6 +74,11 @@
>                 };
>         };
>
> +       axp_led: led {
> +               compatible = "x-powers,axp20x-led";
> +               status = "disabled";
> +       };
> +
>         battery_power_supply: battery-power-supply {
>                 compatible = "x-powers,axp813-battery-power-supply";
>                 status = "disabled";
> --
> 2.17.1
>