Chipidea usb otg support for IMX/MXS (device functionality)

[Marek Vasut]

Dear Michael Grzeschik,

> Hi Marek,
> 
> On Fri, Jun 21, 2013 at 01:26:10PM +0200, Marek Vasut wrote:
> > Hi,
> > 
> > > Hi,
> > > 
> > > On Wed, May 29, 2013 at 08:07:55AM +0000, Chen Peter-B29397 wrote:
> > > > > Indeed, I've been using the patchset "Add tested id switch and vbus
> > > > > connect detect support for Chipidea" from Peter for quite some time
> > > > > on top of 3.9 and it works like a charm for the gadget mode on an
> > > > > MX28 platform.
> > > > > 
> > > > > BTW, Peter, I've seen that these patches are still not merged in
> > > > > 3.10, is there a reason for that? do you plan on sending a version
> > > > > rebased on top of 3.10 some time in the future? I tried to do the
> > > > > rebasing myself, but the chipidea driver seems to have changed
> > > > > quite heavily, which makes the process quite difficult when you
> > > > > don't know what you're doing :)
> > > 
> > > we already have Peter's patches on v3.10-rc3 [1].
> > > 
> > > > I can spend few bandwidth on upstream work recently, I may have more
> > > > bandwidth after June 15th.
> > > > 
> > > > Currently, we still have no conclusion for chipidea core driver's
> > > > coming work, like Device tree support, how to identify if the
> > > > controller is OTG supported.
> > > 
> > > Yes, the next important step is getting the of propertys "dr_mode" and
> > > "phy_type" properly used in the chipidea core.
> > > 
> > > [1] http://git.pengutronix.de/?p=mgr/linux.git;a=summary ->
> > > v3.10/topic/usb-peterchen
> > 
> > Is anyone planning to work on this stuff and start pushing it mainline or
> > is this effort stalled completely? What is it that's missing before
> > these can be applied?
> 
> AFAIK the latest commit to that work is:
> 
> http://permalink.gmane.org/gmane.linux.usb.general/88121

Cool, so it seems Peter is back at it. Thanks

Best regards,
Marek Vasut