That's because there is a hard limit of 8 SC16IS7xx UARTs in the driver (https://github.com/raspberrypi/linux/bl ... s7xx.c#L31). Each SC16IS752 contains 2 UARTs, so you are limited to 4 SC16IS752s.
Statistics: Posted by PhilE — Thu Mar 14, 2024 6:10 pm