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

[Chen Peter-B29397]

> 
> Where can I measure this?
> 
> > Two possible reasons:
> >
> > 1. You have not gpio control for vbus toggle when role switches.
> 
> This works well.
> 
> > 2. Your hardware has some problems that the vbus can't lower than 0.8v.
> 
> How can I check that?
> 

Just measure the voltage of your otg vbus pin.


Best regards,
Peter