Using Device Tree Overlays, example on BeagleBone Cape add-on boards
kernel
![BeagleBoard.org BeagleBone Relay Cape](https://staging.digitalblender.co/app/uploads/2021/04/BeagleBoneRelayCapeA2-768x525.png)
The concept of Device Tree overlays The Device Tree language is a way to describe hardware that is present in a system and cannot be automatically detected. That’s the case of devices directly implemented on a System on a Chip, such as serial ports, Ethernet or Nand flash controllers. That’s also the case of devices […]