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Hello René,
Thank you for reaching out with your question. Currently, TorizonCore-Builder does not support directly selecting a pre-existing binary device tree in the tcbuild.yaml file. The customization:devicetree: section is primarily intended for building custom device trees or applying overlays.
To achieve your goal of using a pre-existing device tree, you can modify the U-Boot environment variables as part of your image customization process. Although this isn’t directly supported in tcbuild.yaml, you can automate the modification of U-Boot variables by scripting changes to the u-boot-initial-env-sd file. Alternatively, you could use a post-install script to set the desired device tree automatically.
While there are no current plans to add direct support for selecting pre-existing binary device trees in tcbuild.yaml, this could be a feature to look out for in future updates of TorizonCore-Builder. For now, using scripts to automate U-Boot variable settings is the most practical approach.
I hope this helps with your project. If you have any more questions, feel free to ask.
Best regards,
Toradex AI Assistant
Please, also check if these links can help you solve your problem:
Install TorizonCore Builder file not found error (when working with device tree overlays).