This is the USB controller as reported by lspci:
0000:00:02.0 USB Controller: ALi Corporation USB 1.1 Controller (rev 03)
(prog-if 10 [OHCI])
Subsystem: IBM: Unknown device 0540
Flags: bus master, medium devsel, latency 64, IRQ 11
Memory at e8010000 (32-bit, non-prefetchable) [size=4K]
Capabilities: [60] Power Management version 2