Hi,
under linux device tree is a way to describe hardware which is not discoverable.
The kernel uses a compiled version of the device tree. This can be decompiled in an readable formet by the device tree compiler.
Install device tree compiler
apt-get install device-tree-compiler
Decode a dtb file
michael@devdeb ~# dtc -I dtb -O dts sun8i-h3-orangepi-pc.dtb -o /tmp/tmp.dts michael@devdeb ~# less /tmp/tmp.dts
Michael