From mboxrd@z Thu Jan  1 00:00:00 1970
From: grant.b.edwards@gmail.com (Grant Edwards)
Date: Tue, 16 Nov 2010 15:23:44 +0000 (UTC)
Subject: [PATCH] Documentation about RS485 serial communications
References: <20100408111310.524f7354@lxorguk.ukuu.org.uk>
	<4CBD8EE4.5040808@evidence.eu.com> <i9ka0s$4ua$1@dough.gmane.org>
	<201010191727.53314.alexander.stein@systec-electronic.com>
	<i9kk4o$svc$1@dough.gmane.org> <4CC418A9.6090602@evidence.eu.com>
	<4CDA630F.4060903@atmel.com> <20101110172842.GC12371@suse.de>
	<4CDBC3EC.6020707@evidence.eu.com> <20101116143016.GB6527@ucw.cz>
Message-ID: <ibu7m0$bgq$1@dough.gmane.org>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On 2010-11-16, Pavel Machek <pavel@ucw.cz> wrote:
> Hi!
>
>> Documentation about RS485 serial communications
>
> I have seen hardware (kontron pmc-6l) that was capable of switching
> between RS232, RS485 and one other standard by software.
>
> Is such hw common? If so, should we have standard interface?

I wouldn't say it's common, but it's not all that rare either.  I
could probably name a half-dozen companies that make serial cards that
have software selectable interface types (my employer makes quite a
few).

-- 
Grant Edwards               grant.b.edwards        Yow! I'm dressing up in
                                  at               an ill-fitting IVY-LEAGUE
                              gmail.com            SUIT!!  Too late...