linux-kernel - Re: [PATCH v2] ARM: dts: am335x-pocketbeagle: set default mux for gpio pins

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Message-ID: <20200629170358.GT37466@atomide.com>
Date:   Mon, 29 Jun 2020 10:03:58 -0700
From:   Tony Lindgren <tony@...mide.com>
To:     Drew Fustini <drew@...gleboard.org>
Cc:     Rob Herring <robh+dt@...nel.org>, bcousson@...libre.com,
        linux-omap@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Jason Kridner <jkridner@...gleboard.org>,
        Robert Nelson <robertcnelson@...il.com>,
        "H . Nikolaus Schaller" <hns@...delico.com>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH v2] ARM: dts: am335x-pocketbeagle: set default mux for
 gpio pins

Hi,

* Drew Fustini <drew@...gleboard.org> [200628 08:26]:
> v2 changes:
> - change default mux from output to input.  Input is safer as it does
>   not drive the line.  If the user wants output, they will need to edit
>   this device tree.

So can you please clarify this a bit, are you saying that gpio output can't
be done via userspace?

Needing to change the dts does not sound good to me.. But maybe you mean
this is needed until the gpio-omap and pinctrl-single patches are merged?

Regards,

Tony