On Wed, Jun 18, 2014 at 5:31 PM, Barry G <mr.sc...@gmail.com> wrote:
> On Wed, Jun 18, 2014 at 1:00 PM, Fabio Estevam <feste...@gmail.com> wrote:
>> Can't you use the chipidea driver instead of 
>> drivers/usb/gadget/fsl_udc_core.c?
>
> I was under the impression that the chipidea stuff was for iMX series
> processors.

MPC does not use it only because no one has converted it yet :-)

> The comments in fsl_udc_core.c say it is for the MPC8349E and friends and
> it worked fine for us until eb65796e.

i.MX used fsl_udc_core.c in the past. Now we have moved all of the
i.MX SoCs into chipidea driver.

It would make things a lot simpler if MPC could be moved to chipidea
driver as well so that fsl_udc_core.c could go away.

>
> I checked out the arch/powerpc/boot/dts/mpc8308rdb.dts for the RDB and it is
> claiming a compatibility of fsl-usb2-dr.
>
> What would you recommend I use as a new device tree node/compatible string?

Take a look at the existing bindings of i.MX. You probably only needs
to add the drivers/usb/chipidea/ci_hdrc_imx.c equivalent for MPC.
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