In Tegra X1 TRM,mentioned : Of the eight ports, one can be USB3.0 OTG or USB2.0 OTG while the rest are Host Mode only ports.
- SuperSpeed and HighSpeed/FullSpeed device only – LowSpeed not supported
- Supports OTG role swapping with SuperSpeed warm reset (RSP) and HighSpeed host negotiation protocol (HNP)
- Supports Session request protocol (SRP)
- Does not support attach detection protocol (ADP)
What’s OTG version supported ? :
On-The-Go and Embedded Host Supplement to the USB Revision 3.0 Specification
May 10, 2012