sudo apt-get update
sudo apt-get install device-tree-compiler
Usually the dtb file used during the boot is saved on the microSD inside the directory /boot. In this example we will extract a dts file starting from the dtb file available on a RoadRunner board.
sudo dtc -I dtb -O dts -o acme-roadrunner.dts /boot/acme-roadrunner.dtb
Make your changes on the acme-roadrunner.dts file using an ASCII editor, copy your old copy of dtb file and generate the new dtb file by typing
cp /boot/acme-roadrunner.dtb /boot/acme-roadrunner-old.dtb
sudo dtc -I dts -O dtb -o /boot/acme-roadrunner.dtb acme-roadrunner.dts
Then reboot to test yor new device tree
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Please note that all of the software we talking about is Open Source so you have to check any license provided by the software authors before using it in any commercial or non-commercial product, by yourself.
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