From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Date: Sun, 13 Jan 2008 22:42:16 -0600 From: Olof Johansson To: Grant Likely Subject: Re: I2C and CAN bus on MPC5200B device tree Message-ID: <20080114044216.GA23349@lixom.net> References: <478A967E.7080201@genesi-usa.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii In-Reply-To: Cc: linuxppc-embedded@ozlabs.org, ppc-dev List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Sun, Jan 13, 2008 at 05:35:09PM -0700, Grant Likely wrote: > On 1/13/08, Matt Sealey wrote: > > > > Hi guys, > > > > I know the I2C stuff is up in the air (I cannot pinpoint the documentation > > for it) and have not found any CAN bus documentation for device trees. > > > > I want to update the firmware tree to add these but, am basically looking > > for those docs, or someone to go over a few points.. is there some kind of > > tree standard I should be looking at, or some patch I missed which has > > a driver which implements something that looks at a compatible tree? > > I think some consensus has been achieved for describing i2c busses and > their attached devices, but I don't think booting-without-of.txt has > been updated with the details yet. I need to look into that more. I think simple devices might have been agreed upon (but it's been a while since it was covered). Muxed busses probably hasn't. Either that or I completely missed the emails. -Olof