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ref-manual: add missing EXTERNAL_KERNEL_DEVICETREE variable

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This variable can be used to specify one or more compiled device tree or
device tree overlays to use in addition to the one compiled by the
kernel.

(From yocto-docs rev: 1a8c810eaab846379c6fc37960c7e41a5c7af9ba)

Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
(cherry picked from commit 6566ffceab3780dc5ecbfe26f786ebe6ff17e693)
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Steve Sakoman <steve@sakoman.com>
This commit is contained in:
Antonin Godard
2024-10-09 09:41:07 +02:00
committed by Steve Sakoman
parent c00c032e03
commit 948b044d9c
1 changed files with 7 additions and 0 deletions
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documentation/ref-manual/variables.rst
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@@ -2519,6 +2519,13 @@ system and gives an overview of their function and contents.
external tools. See the :ref:`ref-classes-kernel-yocto` class in
``meta/classes-recipe`` to see how the variable is used.
:term:`EXTERNAL_KERNEL_DEVICETREE`
When inheriting :ref:`ref-classes-kernel-fitimage` and a
:term:`PREFERRED_PROVIDER` for ``virtual/dtb`` set to ``devicetree``, the
variable :term:`EXTERNAL_KERNEL_DEVICETREE` can be used to specify a
directory containing one or more compiled device tree or device tree
overlays to use.
:term:`KERNEL_LOCALVERSION`
This variable allows to append a string to the version
of the kernel image. This corresponds to the ``CONFIG_LOCALVERSION``