/:  Bus 02.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
/:  Bus 01.Port 1: Dev 1, Class=root_hub, Driver=ehci-pci/2p, 480M
|__ Port 1: Dev 2, If 0, Class=Hub, Driver=hub/6p, 480M
    |__ Port 3: Dev 3, If 0, Class=Vendor Specific Class, Driver=rtsx_usb, 480M
    |__ Port 4: Dev 4, If 0, Class=Wireless, Driver=btusb, 12M
    |__ Port 4: Dev 4, If 1, Class=Wireless, Driver=btusb, 12M
    |__ Port 6: Dev 5, If 0, Class=Video, Driver=uvcvideo, 480M
    |__ Port 6: Dev 5, If 1, Class=Video, Driver=uvcvideo, 480M

Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 005: ID 0c45:649a Microdia
Bus 001 Device 004: ID 8087:07da Intel Corp.
Bus 001 Device 003: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

00:1a.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #2 [8086:1e2d] (rev 04)
Subsystem: Dell Device [1028:0591]
Kernel driver in use: ehci-pci


00:1d.0 USB controller [0c03]: Intel Corporation 7 Series/C210 Series Chipset Family USB Enhanced Host Controller #1 [8086:1e26] (rev 04)
Subsystem: Dell Device [1028:0591]
Kernel driver in use: ehci-pci