Custom carrier board, USB DeviceTree Changes?

For example,

  1. The headless configuration requires the help of device mode.

https://docs.nvidia.com/jetson/l4t/index.html#page/Tegra%20Linux%20Driver%20Package%20Development%20Guide/flashing.html#wwpID0E02C0HA

→ Headless Mode Flow in oem-config

Also, usb device mode provides a virtual console as 192.168.55.1. This is the default interface that sdkmanager is using to install sdk to the board.

  1. The initrd flash requires to use usb device mode. But since you are using nano board, it does not matter at this moment. This only affects TX2 and Xavier series.

https://docs.nvidia.com/jetson/l4t/index.html#page/Tegra%20Linux%20Driver%20Package%20Development%20Guide/flashing.html#wwpID0E0PI0HA