Hello, > Hello Robert, > >> Two things, make sure you use a USB 2.0 Hub, the ehci port is "hi >> speed only" and the ehci/usb is broken for the beagle upstream, it >> might finally make it upstream in 2.6.32... > > does it mean that that only the OTG port can be used? Both the OTG/EHCI can be used, the patches are located in the Angstrom git tree and i have them in my consolidated diff. > I tried to connect the upstream part of an USB 2.0 hub to the > beagleboard with the help of an USB mini A/B -> USB A > adapter cable. That should have powered it.. was this the OTG port? The ehci isn't designed to provide power to the board... > Unfortunately, the beagle gets no power with this setup. > Do the upstream parts of a USB 2.0 hub (the part you > usually connect with the PC) supply power (the hub is > selfpowered with an external power adapter) or > only the "client" ports where you plugin your > peripherals? I have tried with another 2.0 hub > with the same result. > I googled a lot about this topic but it didn't > bocome clear to me. > Without a 5vdc power supply connected to the dc jack, you'd use the OTG port for power and the ehci for USB connectivity. Take a look at this: http://elinux.org/BeagleBoard#USB Regards, -- Robert Nelson http://www.rcn-ee.com/ _______________________________________________ fedora-arm mailing list fedora-arm@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/fedora-arm
