sysbuild: Migrate from sysbuild_dt_* #2903
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nordicjm
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May 23, 2025
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This reverts commit d8e8302. Signed-off-by: Grzegorz Swiderski <[email protected]>
…t name in dts.cmake" This reverts commit 61d3a82. Signed-off-by: Grzegorz Swiderski <[email protected]>
Extract the part of `dts.cmake` that invokes `gen_dts_cmake.py`, then generalize it into a CMake extension, which can be reused by sysbuild. The Python script itself is also updated, so that the generated CMake file can accept an input variable DEVICETREE_TARGET, which comes from the `zephyr_dt_import(TARGET ...)` argument. Signed-off-by: Grzegorz Swiderski <[email protected]> (cherry picked from commit 468db18)
The CMake dt_* API is backed by target properties. By default, it uses
the target named `devicetree_target` that is initialized in `dts.cmake`.
We should be able to customize this, now that we have a function for
loading those properties into a different target. For example:
zephyr_dt_import(EDT_PICKLE_FILE /path/to/edt.pickle TARGET target)
dt_nodelabel(node NODELABEL label TARGET target)
This would make it possible to reference multiple devicetrees in the
same build system, particularly sysbuild.
Signed-off-by: Grzegorz Swiderski <[email protected]>
(cherry picked from commit 7cddb2a5e5704c05b51bfe7d64e86367b9b03fd9)
Make the image devicetrees available to sysbuild for advanced use cases.
This is done by calling `zephyr_dt_import` on each image target. The DT
target properties are all expected to be prefixed with `DT_`, so there
should be no conflicts.
Thus, the DT contents of a given `<image>` can be retrieved using e.g.:
dt_nodelabel(<var> NODELABEL <label> TARGET <image>)
as noted in `extensions.cmake`.
Signed-off-by: Grzegorz Swiderski <[email protected]>
(cherry picked from commit da197fe)
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hakonfam
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May 27, 2025
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