Re: [RFC v2 2/4] dt-bindings: i2c: mux: demux-pinctrl: add bindings

[Sergei Shtylyov]

Hello.

On 01/13/2016 03:52 PM, Wolfram Sang wrote:

> > > These bindings allow an I2C bus to switch between multiple masters. This
> > > is not hot-swichting because connected I2C slaves will be
> > > re-instantiated. It is meant to select the best I2C core at runtime once
> > > the task is known. Example: Prefer i2c-gpio over another I2C core
> > > because of HW errata affetcing your use case.
> >
> > > --- /dev/null
> > > +++ b/Documentation/devicetree/bindings/i2c/i2c-demux-pinctrl.txt
> > > @@ -0,0 +1,155 @@
> >
> > > +Here is a snipplet for a bus to be demuxed. It contains various i2c clients for
> >
> > snippet
> >
> > > +HDMI, so the bus is named "i2c-hdmi":
> > > +
> > > +       i2chdmi: i2c@8 {
> >
> > Would it make sense to call the node "i2c-bus@8"?
>
> That sounds like a question for our EPapr expert Sergei (CCed) :)

   ePAPR only mentions "i2c". I'm not sure where the numeric part of the name 
comes from in this case...

[...]

MBR, Sergei