So I've got a device on my pi that takes up almost all of the GPIO pins on the pi, but the device nicely has an MCP23017 on board, giving me an extra GPIO pin, number 496 - 503
What I want to do is make another i2c bus, with 497 being SDA and 498 being SCL
I've searched and searched, and I'm stuck.
/boot/config.txt but that doesn't seem to work (no additional i2c bus is created in /dev)...
I honestly don't have a clue if I'm even on the right track here.