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doc: release-notes: mention DT compatible changes

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Document devicetree compatibles which have changed recently and that
have drivers, along with how to handle them.

Recent changes to things like / and CPU nodes aren't worth mentioning
since there are no drivers for such things. I'm similarly not going to
document the vexriscv change since it seems likely that users are
getting this compatible via the DTSI file.

Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
This commit is contained in:
Martí Bolívar 2021-08-03 14:27:43 -07:00 • committed by Christopher Friedt
commit 1f3ca82126
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doc/releases/release-notes-2.7.rst
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@ -281,6 +281,30 @@ Build and Infrastructure
* Devicetree
* Various compatibles had incorrect vendor prefixes in their :ref:`compatible
<dt-important-props>` properties; the following changes were made to fix
these.
* ``nios,i2c`` is now ``altr,nios2-i2c``
* ``colorway,lpd8803`` is now ``greeled,lpd8803``
* ``colorway,lpd8806`` is now ``greeled,lpd8806``
* ``grove,light`` is now ``seeed,grove-light``
* ``grove,temperature`` is now ``seeed,grove-temperature``
* ``max,max30101`` is now ``maxim,max30101``
* ``ublox,sara-r4`` is now ``u-blox,sara-r4``
* ``xtensa,core-intc`` is now ``cdns,xtensa-core-intc``
Out of tree users of these compatibles will need to update their
devicetrees.
You can support multiple versions of Zephyr with one devicetree by
including both the old and new values in your nodes' compatible properties,
like this example for the LPD8803::
my-led-strip@0 {
compatible = "colorway,lpd8803", "greeled,lpd8803";
...
};
* West (extensions)