On Tue, Mar 11, 2014 at 11:30:53AM +0000, Mark Rutland wrote:
> On Tue, Mar 11, 2014 at 11:19:51AM +0000, Nicolin Chen wrote:
> > This patch adds support for the Cirrus Logic CS42888 Audio CODEC that
> > has four 24-bit A/D and eight 24-bit D/A converters.
> > 
> > [ CS42888 supports both I2C and SPI control ports. As initial patch,
> >   this patch only adds the support for I2C. ]
> > 
> > Signed-off-by: Nicolin Chen <guangyu.c...@freescale.com>
> > ---
> > 
> > Changelog
> > v2:
> >  * Separated driver into I2C and main part drivers.
> >  * Added error out if failed to get clock.
> >  * Enabled Auto-mute function as default.
> >  * Disabled runtime-pm in remove().
> >  * Added return value checking for regcache_sync().
> >  * Fixed some trival parts like 'const' as Lars mentioned.
> > 
> >  .../devicetree/bindings/sound/cs42888.txt          |  27 ++
> >  sound/soc/codecs/Kconfig                           |  10 +
> >  sound/soc/codecs/Makefile                          |   4 +
> >  sound/soc/codecs/cs42888-i2c.c                     |  68 +++
> >  sound/soc/codecs/cs42888.c                         | 536 
> > +++++++++++++++++++++
> >  sound/soc/codecs/cs42888.h                         | 213 ++++++++
> >  6 files changed, 858 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/sound/cs42888.txt
> >  create mode 100644 sound/soc/codecs/cs42888-i2c.c
> >  create mode 100644 sound/soc/codecs/cs42888.c
> >  create mode 100644 sound/soc/codecs/cs42888.h
> > 
> > diff --git a/Documentation/devicetree/bindings/sound/cs42888.txt 
> > b/Documentation/devicetree/bindings/sound/cs42888.txt
> > new file mode 100644
> > index 0000000..7736527
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/sound/cs42888.txt
> > @@ -0,0 +1,27 @@
> > +CS42888 audio CODEC
> > +
> > +Required properties:
> > +
> > +  - compatible : "cirrus,cs42888"
> > +
> > +  - reg : the I2C address of the device for I2C
> > +
> > +  - clocks : phandle to the clock source for MCLK
> > +
> > +  - clock-names : must contain "mclk".
> 
> If you use clock-names, please define the clocks property in terms of
> clock-names to avoid redundancy. e.g.
> 
> - clocks: a list of phandles + clock-specifiers, one for each entry in
>   clock-names.
> 
> It makes the relationship between the two clearer, and makes it far
> easier to alter the binding in future if required.

Thank you for the quick reply.

Will fix it in a minute.

Best regards,
Nicolin Chen


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