From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Edwards Subject: Re: [PATCH] Documentation about RS485 serial communications Date: Tue, 16 Nov 2010 15:23:44 +0000 (UTC) Message-ID: References: <20100408111310.524f7354@lxorguk.ukuu.org.uk> <4CBD8EE4.5040808@evidence.eu.com> <201010191727.53314.alexander.stein@systec-electronic.com> <4CC418A9.6090602@evidence.eu.com> <4CDA630F.4060903@atmel.com> <20101110172842.GC12371@suse.de> <4CDBC3EC.6020707@evidence.eu.com> <20101116143016.GB6527@ucw.cz> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: linux-arm-kernel@lists.infradead.org Cc: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org List-Id: linux-serial@vger.kernel.org On 2010-11-16, Pavel Machek 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...