[RFC] mpc5200 device tree bindings refinement

[Mark A. Greer]

On Fri, Feb 09, 2007 at 10:31:49AM -0700, Mark A. Greer wrote:
> On Fri, Feb 09, 2007 at 12:30:09AM -0700, Grant Likely wrote:
> 
> Hi Grant,
> 
> > Much needed refinement of mpc5200 device tree binding specifications.
> > 
> > Short list:
> 
> <snip>
> 
> > - Specify reqiured 'cell-index' property to identify between multiple SOC
> >   devices of the same type.  (Useful for arbitrating shared register access)
> 
> <snip>
> 
> > +Important child node properties
> > +name		type		description
> > +----		----		-----------
> > +cell-index	int		When multiple devices are present, is the
> > +				index of the device in the hardware (ie. There
> > +				are 6 PSC on the 5200 numbered PSC1 to PSC6)
> > +				    PSC1 has 'cell-index = <0>'
> > +				    PSC4 has 'cell-index = <3>'
> > +
> 
> Dale Farnsworth and I have the exact same problem with the Marvell
> bridges (e.g., 2 MPSC ctlrs use different bits in the same reg).

Hrm, as I reread this, I may have misunderstood the purpose of cell-index. :(