I2C and CAN bus on MPC5200B device tree

Olof Johansson olof at lixom.net
Mon Jan 14 15:42:16 EST 2008

On Sun, Jan 13, 2008 at 05:35:09PM -0700, Grant Likely wrote:
> On 1/13/08, Matt Sealey <matt at genesi-usa.com> 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.


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