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XIO3130: Is driver available for MPC8640DEC processor

Part Number: XIO3130
Other Parts Discussed in Thread: TUSB7320,

I have to add USB Hub interfaced with PCIe in my design.

Currently, one bridge(TSI384) is already interfaced with that port(1), so I thought to put PCIe switch (XIO3130) in between and USB Hub (TUSB7320) interfaced with switch. (attached the snapshot: red shaded region)

Kindly guide me if this approach is correct or not. Please let me know if any other option is there. 

USB_Implemetation.pdf