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doc: dt: Add note about deprecation of generated_dts_board.conf

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Note that generated_dts_board.conf is now deprecated and that users
should utilize functions to access DT related information that was
coming from generated_dts_board.conf.

Signed-off-by: Kumar Gala <kumar.gala@linaro.org>
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Kumar Gala 2019-11-04 09:54:01 -06:00 committed by Kumar Gala
parent 7573e048ca
commit 324f5749dc
1 changed files with 11 additions and 0 deletions
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doc/releases/release-notes-2.1.rst
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@ -96,6 +96,17 @@ Build and Infrastructure
Use new functions that utilize eDTS info such as dt_node_reg_addr.
See :zephyr_file:`scripts/kconfig/kconfigfunctions.py` for details.
* Deprecated direct use of the ``DT_`` Kconfig symbols from the generated
``generated_dts_board.conf``. This was done to have a single source of
Kconfig symbols coming from only Kconfig (additionally the build should
be slightly faster). For Kconfig files we should utilize functions from
:zephyr_file:`scripts/kconfig/kconfigfunctions.py`. See
:ref:`kconfig-functions` for usage details. For sanitycheck yaml usage
we should utilize functions from
:zephyr_file:`scripts/sanity_chk/expr_parser.py`. Its possible that a
new function might be required for a particular use pattern that isn't
currently supported.
* Various parts of the binding format have been simplified. The format is
better documented now too.