linux-kernel - Re: [PATCH 2/2] dt-bindings: pinctrl: artpec6: add smaller groups for uarts

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Date:   Thu, 1 Mar 2018 21:59:22 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Niklas Cassel <niklas.cassel@...s.com>
Cc:     Jesper Nilsson <jespern@...s.com>, Lars Persson <larper@...s.com>,
        Niklas Cassel <niklass@...s.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>, linux-arm-kernel@...s.com,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] dt-bindings: pinctrl: artpec6: add smaller groups for uarts

On Thu, Feb 22, 2018 at 4:22 PM, Niklas Cassel <niklas.cassel@...s.com> wrote:

> Add group configuration for uarts that are cut down
> variants, the standard being full, i.e. all signals,
> flow control, i.e. rx/tx and cts/rts, and rx/tx only.
>
> This allows us to be more precise in which pins we're
> actually using.
>
> Unfortunately the existing naming scheme leaves things
> to be desired, e.g. uart3grp0 means RX/TX and CTS/RTS,
> yet uart0grp0 means all pins.
> Since the exising suffixes have different meaning for
> different uarts, and the fact that we cannot change
> the name of existing groups, makes it hard to use a
> descriptive name for the newly added groups.
>
> Signed-off-by: Niklas Cassel <niklas.cassel@...s.com>

Patch applied.

Yours,
Linus Walleij