GPIO supports unidirectional MIPI D-PHY transmit interface with the external resistors, as shown in the following illustration. Every GPIO P and N pair (MIPIE25) can be configured as a MIPI D-PHY transmit interface.
Figure 1. MIPI D-PHY Transmit Interface
Note: Resistor value vary based on optimal performance. See respective UG0726: PolarFire FPGA Board Design User Guide or PolarFire SoC FPGA Board Design Guidelines User Guide for resistor specifications.