1. The Main function of CCG4 of CY4532 is:
CC bootloader host for power adapter (CCG3PA);
MTK board for CMG1 board.
2. Could you please share your requirements with block diagram? And then, specified your question?
You might refer the link: CCG3PA Power Adapter/Car Charger (1C+1A) single chip solution firmware customize steps for CCG3PA firmware to getting start.