Licensing of Zephyr Project componentsΒΆ

The Zephyr kernel tree imports or reuses packages, scripts and other files that are not covered by the Apache 2.0 License. In some places there is no LICENSE file or way to put a LICENSE file there, so we describe the licensing in this document.

scripts/{checkpatch.pl,checkstack.pl,get_maintainers.pl,spelling.txt}

Origin: Linux Kernel

Licensing: GPLv2 License

ext/hal/cmsis/

Origin: https://github.com/ARM-software/CMSIS_5.git

Licensing: Apache 2.0 (see ext/hal/cmsis source)