RE: [PATCH v2 1/3] usb: chipidea: msm: Add device tree binding information

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> 
> Hi,
> 
> On Wed, 2014-02-19 at 09:46 -0800, Courtney Cavin wrote:
> > On Wed, Feb 19, 2014 at 04:43:22PM +0100, Ivan T. Ivanov wrote:
> > >
> > > Hi,
> > >
> > > On Tue, 2014-02-18 at 13:26 -0800, Courtney Cavin wrote:
> > > > On Tue, Feb 18, 2014 at 02:21:19PM +0100, Ivan T. Ivanov wrote:
> > > > > From: "Ivan T. Ivanov" <iivanov@xxxxxxxxxx>
> > > > >
> > > > > Document device tree binding information as required by the
> > > > > Qualcomm USB controller.
> > > > >
> > > > > Signed-off-by: Ivan T. Ivanov <iivanov@xxxxxxxxxx>
> > > > > ---
> > > > >  .../devicetree/bindings/usb/msm-hsusb.txt          |   17
> +++++++++++++++++
> > > >
> > > > Although you mentioned to Josh that this is intended for "non-
> standard"
> > > > Chipidea properties, I don't see any other than requiring that
> 'dr_mode'
> > > > must be "peripheral".  It would seem that this should all be
> > > > integrated into a ci3xxx.txt.
> > >
> > > Hm, there is no ci3xxx.txt. The closest match is ci-hdrc-imx.txt.
> > > So it could be ci-hdrc-qcom.txt or my preferred name qcom,ci-hdrc.txt?
> >
> > Sorry, I was referring to ci13xxx-imx.txt, which was apparently moved
> > to ci-hdrc-imx.txt.  I was recommending to merge the two into one
> > 'ci13xxx.txt', as this binding seems to be a new compatible for the
> > same basic chip.  Now perhaps 'ci-hdrc.txt'.
> >
> > Although I agree with Josh that this name should be changed, and I
> > think either of your two suggestions would be acceptable, I would like
> > to at least discuss the possibility of actually merging the two in
> > this series.
> >
> > Comments?
> 
> 
> iMX version have required and recommender properties which are not
> meaningful for QCOM variant. I will prefer separate file. It depends on
> Freescale engineers (now in Cc:)
> 
> 

Unlike dwc3, there is no common dts entry for chipidea core, every platform
uses its own dts to cover both common and platform-specific properties.

I also have plan to use dwc3 style way for dts, but msm platform has still
not used dts, I don't know how many msm platforms need to change, once
you finish transferring msm to dts, I will split common and platform specific
entry.

Peter

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