Hi Fabio,
On Thu, Jul 03, 2014 at 02:04:07PM -0300, Fabio Estevam wrote:
> Hi Michael,
>
> On Thu, Jul 3, 2014 at 1:06 PM, Michael Grzeschik <m...@pengutronix.de> wrote:
>
> > I validated this with two different imx25 boards and realized,
> > that we have this external vbus divider errata for that SoC.
> >
> > Errata: ENGcm09152
> >
> > Its likely that the issue is related to this problem as the vbus was
> > not connected to anything different, than the SoC in that case.
>
> Does it help if you pass the 'external-vbus-divider' property like shown
> below?
>
> &usbotg {
> phy_type = "utmi";
> dr_mode = "otg";
> external-vbus-divider;
> status = "okay";
> };
No it does not. :( Actually it makes things worse!
The property disables the internal divider setup completely. Therefor
the vbus does not even fall down to ~2.6V on unplugging. Instead it
stays at ~3.1V. With that even the plug event will not be detected.
Regards,
Michael
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