https://docs.amd.com/r/en-US/pg439-axi-i3c
AXI I3C Bus Interface v1.0 Product Guide (PG439) - 1.0 English - The AXI I3C Bus Interface IP...
The AXI I3C Bus Interface IP connects to an AXI4-Lite interface and provides I3C capabilities on a two wire interface as per the MIPI I3C Specification v1.1.1.