On Thu, 2014-04-03 at 02:51PM -0500, Rob Herring wrote:
> On Thu, Apr 3, 2014 at 12:59 PM, Soren Brinkmann
> <soren.brinkm...@xilinx.com> wrote:
> > Add device tree binding documentation for the Cadence I2C controller.
> >
> > Signed-off-by: Soren Brinkmann <soren.brinkm...@xilinx.com>
> > ---
> >
> > Changes in v4:
> > - moved adding DT docs into this dedicated patch
> >
> > Changes in v3: None
> > Changes in v2: None
> >
> > ---
> > .../devicetree/bindings/i2c/i2c-cadence.txt | 21
> > +++++++++++++++++++++
> > 1 file changed, 21 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/i2c/i2c-cadence.txt
> >
> > diff --git a/Documentation/devicetree/bindings/i2c/i2c-cadence.txt
> > b/Documentation/devicetree/bindings/i2c/i2c-cadence.txt
> > new file mode 100644
> > index 000000000000..685adf513111
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/i2c/i2c-cadence.txt
> > @@ -0,0 +1,21 @@
> > +Binding for the Cadence I2C controller
> > +
> > +Required properties:
> > + compatible: Compatibility string. Must be 'cdns,i2c-r1p10'.
> > + clocks: From common clock bindings. Phandle to input clock.
> > +
> > +Optional properties:
> > + clock-frequency: Desired operating frequency, in Hz, of the bus (actual
> > may
> > + be lower). Defaults to 400000 if not specified.
>
> Since not all devices support 400kHz, I would prefer that the default
> be 100kHz. Also, it would be good if what speed the default is
> consistent across i2c drivers.
Fine with me. I'll change this.
Thanks,
Sören
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