zu blöd für Copy & Paste, hab den falschen Eintrag erwischt. Hängt natürlich an einem ehci-controller:
% lsusb -t
/: Bus 04.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/: Bus 03.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/: Bus 02.Port 1: Dev 1, Class=root_hub, Driver=uhci_hcd/2p, 12M
/: Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/6p, 480M
|__ Port 1: Dev 2, If 0, Class=Human Interface Device, Driver=usbhid, 480M
|__ Port 2: Dev 3, If 0, Class=Vendor Specific Class, Driver=usbfs, 480M
|__ Port 2: Dev 3, If 5, Class=Vendor Specific Class, Driver=, 480M
|__ Port 2: Dev 3, If 3, Class=Vendor Specific Class, Driver=, 480M
|__ Port 2: Dev 3, If 1, Class=Vendor Specific Class, Driver=, 480M
|__ Port 2: Dev 3, If 6, Class=Vendor Specific Class, Driver=, 480M
|__ Port 2: Dev 3, If 4, Class=Vendor Specific Class, Driver=, 480M
|__ Port 2: Dev 3, If 2, Class=Vendor Specific Class, Driver=, 480M