[PATCH v12 00/13] Add tested id switch and vbus connect detect support for Chipidea

Peter Chen
2013-07-12T08:26:43Z

On Fri, Jul 12, 2013 at 06:04:43AM +0200, Marek Vasut wrote:
> Hi Peter,
>
> > On Thu, Jul 11, 2013 at 07:57:19PM +0200, Marek Vasut wrote:
> > > Hi Peter,
> > >
> > > > This patchset adds tested otg id switch function and
> > > > vbus connect and disconnect detection for chipidea driver.
> > > > And fix kinds of bugs found at chipidea drivers after enabling
> > > > id and vbus detection.
> > > >
> > > > This patch is fully tested at imx6 sabresd platform.
> > > > My chipidea repo: https://github.com/hzpeterchen/linux-usb.git
> > > >
> > > > Changes for v12:
> > > > - Rebased greg's usb-next tree (3.10.0-rc7+)
> > > > - Split more small patches for single function and fix.
> > >
> > > I tested the patchset. Here are the results:
> > >
> > > - VBUS switching
> > >
> > > I'm no longer getting any ID interrupts at all when I apply the patch
> > > below. The board stays in HOST mode all the time. If I configure it as
> > > peripheral, it works as peripheral. Note with [1], I was able to switch
> > > from Peripheral->Host , not the other way around.
> >
> > Thanks for your testing. But first, can you have me check
> > if your ID wakeup is enabled?
>
> ID wakeup? How do I check?
>

See otgsc at controller register, the ID wakeup enable is bit 24.

--

Best Regards,
Peter Chen