From: Mike Frysinger <vapier.adi-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
To: Jamie Iles <jamie-wmLquQDDieKakBO8gow8eQ@public.gmane.org>
Cc: Scott Wood <scottwood-KZfg59tc24xl57MIdRCFDg@public.gmane.org>,
David Woodhouse <dwmw2-wEGCiKHe2LqWVfeAwA7xHQ@public.gmane.org>,
devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org,
linux-mtd-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
Artem Bityutskiy
<dedekind1-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
Subject: Re: [PATCH] mtd: gpio-nand: add device tree bindings
Date: Wed, 27 Jul 2011 17:06:08 -0700 [thread overview]
Message-ID: <CAMjpGUcftT47FTVv15LDvswiXJdnorDiotEWkNDPkw5ABiQDQg@mail.gmail.com> (raw)
In-Reply-To: <20110727195512.GC3001@gallagher>
On Wed, Jul 27, 2011 at 12:55, Jamie Iles wrote:
> On Wed, Jul 27, 2011 at 02:45:01PM -0500, Scott Wood wrote:
>> On Wed, 27 Jul 2011 15:03:30 +0100
>> Jamie Iles <jamie@jamieiles.com> wrote:
>>
>> > --- /dev/null
>> > +++ b/Documentation/devicetree/bindings/mtd/gpio-nand.txt
>> > @@ -0,0 +1,43 @@
>> > +GPIO assisted NAND flash
>> > +
>> > +Required properties:
>> > +- compatible : "gpio-nand"
>> > +- reg : should specify localbus chip select and size used for the chip. For
>> > + ARM platforms where a dummy read is needed to provide synchronisation with
>> > + regards to bus reordering, an optional second resource describes the
>> > + location to read from.
>>
>> I don't see how a pure "gpio nand" device would have any memory mapped
>> I/O. I think you need a more specific compatible for this.
>
> OK, fair point. I'm not sure what a better name would be though, maybe
> gpio-assisted-nand?
fwiw, i named the parallel flash mapping driver "gpio-addr-flash"
(where some of the address lines are done with GPIOs)
-mike
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next prev parent reply other threads:[~2011-07-28 0:06 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-27 14:03 [PATCH] mtd: gpio-nand: add device tree bindings Jamie Iles
[not found] ` <1311775410-5158-1-git-send-email-jamie-wmLquQDDieKakBO8gow8eQ@public.gmane.org>
2011-07-27 19:45 ` Scott Wood
[not found] ` <20110727144501.7e0420cd-1MYqz8GpK7RekFaExTCHk1jVikpgYyvb5NbjCUgZEJk@public.gmane.org>
2011-07-27 19:55 ` Jamie Iles
2011-07-27 21:01 ` Scott Wood
2011-07-28 0:06 ` Mike Frysinger [this message]
2011-07-28 0:07 ` Mike Frysinger
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