To support a new peripheral (like a new sensor or screen), you often only need to update the DTB firmware rather than re-coding the entire kernel.
A human-readable text file that describes the hardware. It looks somewhat like C code or JSON. dtb firmware
Whether you are flashing a custom ROM on your phone, setting up a Raspberry Pi, or working on an industrial ARM board, understanding DTB is essential. What is DTB? To support a new peripheral (like a new
Before the adoption of Device Trees, every new piece of ARM hardware required a custom-compiled Linux kernel. This led to "code bloat" and made it impossible for one kernel to work on multiple devices. setting up a Raspberry Pi