linux-kernel - Re: [PATCH v4 1/2] dt-bindings: gpio-mux-input: add documentation

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Date:   Tue, 1 Jun 2021 12:10:47 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Mauri Sandberg <maukka@....kapsi.fi>
Cc:     Mauri Sandberg <sandberg@...lfence.com>,
        Andy Shevchenko <andy.shevchenko@...il.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        Drew Fustini <drew@...gleboard.org>
Subject: Re: [PATCH v4 1/2] dt-bindings: gpio-mux-input: add documentation

On Sun, May 30, 2021 at 6:16 PM Mauri Sandberg <maukka@....kapsi.fi> wrote:

> Add documentation for a general GPIO multiplexer.
>
> Signed-off-by: Mauri Sandberg <maukka@....kapsi.fi>
> Tested-by: Drew Fustini <drew@...gleboard.org>
> Reviewed-by: Drew Fustini <drew@...gleboard.org>

Overall very interesting!

> +  pin-gpios:
> +    description: |
> +      The GPIO pin used as the output from the multiplexer

This is not a good name. "pin" what pin? Choose a descriptive
name, like:

parent-gpios
multiplexed-gpios
cascaded-gpios
fanout-gpios

(My order of preference.)

Otherwise these bindings look good.

Yours,
Linus Walleij