linux-kernel - Re: [PATCH v3] ARM: dts: aspeed: witherspoon: Add gpio line names

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Message-Id: <288ba2d7-77dc-40a7-90e8-f2781b3fe067@www.fastmail.com>
Date:   Thu, 13 Feb 2020 11:24:36 +1030
From:   "Andrew Jeffery" <andrew@...id.au>
To:     "Joel Stanley" <joel@....id.au>,
        "Andrew Geissler" <geissonator@...il.com>
Cc:     devicetree <devicetree@...r.kernel.org>,
        linux-aspeed <linux-aspeed@...ts.ozlabs.org>,
        "OpenBMC Maillist" <openbmc@...ts.ozlabs.org>,
        "Linux Kernel Mailing List" <linux-kernel@...r.kernel.org>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "Andrew Geissler" <geissonator@...oo.com>,
        "Linux ARM" <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3] ARM: dts: aspeed: witherspoon: Add gpio line names



On Mon, 10 Feb 2020, at 12:59, Joel Stanley wrote:
> On Thu, 6 Feb 2020 at 17:03, Andrew Geissler <geissonator@...il.com> wrote:
> >
> > From: Andrew Geissler <geissonator@...oo.com>
> >
> > Name the GPIOs to help userspace work with them. The names describe the
> > functionality the lines provide, not the net or ball name. This makes it
> > easier to share userspace code across different systems and makes the
> > use of the lines more obvious.
> >
> > Signed-off-by: Andrew Geissler <geissonator@...oo.com>
> 
> Reviewed-by: Joel Stanley <joel@....id.au>
> 
> I will wait for  Andrew before merging, but this looks good to me.

To the best of my knowledge this is the only supported approach.

I haven't checked the mapping of gpio lines to functions, but for
the concept:

Acked-by: Andrew Jeffery <andrew@...id.au>

Andrew