Mike Rapoport wrote at Thursday, June 09, 2011 12:53 AM: > On Wed, Jun 8, 2011 at 8:13 PM, Marc Zyngier <marc.zyngier@xxxxxxx> wrote: > > > > > I'm not sure if that platform data is appropriate for tegra_ehci1_device; > > > the ChromeOS kernel doesn't enable that port. > > > > There's probably some kind of GPIO trickery involved to reset the > > port... > > I don't think it's possible to enable port 1 in host mode on > harmony... As far as I remember, port 1 is routed to mini-B connector > and there's nothing that would supply Vbus in the host mode... Yes, looking at the schematic, I don't think I can see anything to drive 5v onto that connector, just detect whether it's there. For the other 3 USB ports, there's clearly something to drive 5v based on a signal from the LAN/USB hub chip. -- nvpublic -- To unsubscribe from this list: send the line "unsubscribe linux-tegra" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html