linux-kernel - Re: [PATCH] arm64: dts: qcom: sc7280: Move wcd specific pin conf to common file

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Message-ID: <CAD=FV=UaUnZfWsXGQx6PoVQ5qqtsq10Dnui1v0Xn0S5Y-YgwRw@mail.gmail.com>
Date:   Wed, 6 Jul 2022 13:43:05 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Srinivasa Rao Mandadapu <quic_srivasam@...cinc.com>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>,
        quic_rohkumar@...cinc.com,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Stephen Boyd <swboyd@...omium.org>,
        Judy Hsiao <judyhsiao@...omium.org>,
        Matthias Kaehlcke <mka@...omium.org>
Subject: Re: [PATCH] arm64: dts: qcom: sc7280: Move wcd specific pin conf to
 common file

Hi,

On Wed, Jul 6, 2022 at 3:17 AM Srinivasa Rao Mandadapu
<quic_srivasam@...cinc.com> wrote:
>
> +/* PINCTRL - BOARD-SPECIFIC */

It's not really "board specific" since this is actually a file that's
included by multiple boards.

Maybe just use the header "PINCTRL" for now. Everything here is just
adding pull/drive strength/slew-rate info to existing pinctrl
settings. If we ever have more than that and want to separate into
different sections we can always adjust later.


> +/*
> + * Methodology for gpio-line-names:
> + * - If a pin goes to CRD board and is named it gets that name.
> + * - If a pin goes to CRD board and is not named, it gets no name.
> + * - If a pin is totally internal to Qcard then it gets Qcard name.
> + * - If a pin is not hooked up on Qcard, it gets no name.
> + */

This file doesn't include "gpio-line-names" so you don't need to
include documentation about it.

-Doug