How to enable NANO SPI

Hi,
How do I go to which path or file to enable NANO SPI
And how to modify the SPI to enable

Thank you very much

Run the jetson-io to enable it. Just have a search in this forum should be find reference.

https://docs.nvidia.com/jetson/l4t/index.html#page/Tegra%20Linux%20Driver%20Package%20Development%20Guide/hw_setup_jetson_io.html