voila
paypay:~ jeanfrancoispayet$ ioreg -p IOUSB
+-o Root <class IORegistryEntry, id 0x100000100, retain 14>
+-o AppleUSBEHCI Root Hub Simulation@fa000000 <class AppleUSBRootHubDevice, $
| +-o IOUSBHostDevice@fa100000 <class AppleUSBDevice, id 0x100000246, regist$
| +-o BRCM2046...