Configure QUP3 as SPI interface

I want to use 2 SPI interfaces on db845c board out of this LS1 already used and I would like to use another SPI interface on LS1 connector and want configure QUP3 core as SPI interface for the same.


What are the steps and software modification required to achieve this?

@Loic could you please help me on this topic?

I would like to know software modification list to be done to make use of this GPIO as SPI interface.