Hi, >> >> Were you able to get High-speed devices working on the xhci port? > > No, they simply don't appear in lsusb besides the above shown log (unless I use an USB2 only cable where devices fall back to 480M) > So I think the USB PHY recognizes that there is a device and also that there is an USB3 cable - but can't establish communication. > > I have never seen something like: > >>>> [ 115.626660] usb 4-1: new SuperSpeed Gen 1 USB device number 2 using xhci-hcd > > > Maybe the cable is really bad. > > I still have to do the test with the OMAP5EVM. I have now tested with OMAP5EVM and still no USB3 speed or device. So it is most likely the OTG adapter cable. BR, Nikolaus