The USB3 PHY can be configured as either x1 TX, x1 RX (USB only) or x1 TX, x1 RX (USB) with x1 or x2 TX (DP), or as x4 TX (DP). This is made possible because internally the PHY has a crossbar switch and some of the I/Os are bidirectional capable.
The USB3 PHY can be configured as either x1 TX, x1 RX (USB only) or x1 TX, x1 RX (USB) with x1 or x2 TX (DP), or as x4 TX (DP). This is made possible because internally the PHY has a crossbar switch and some of the I/Os are bidirectional capable.