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doc: releases: add the reference to stm32_lp_tick_source

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Update migration guide to introduce the stm32_lp_tick_source
for stm32 device when choosing the LPTIM fo lowPower modes.

Signed-off-by: Francois Ramu <francois.ramu@st.com>
This commit is contained in:
Francois Ramu 2023-11-17 09:51:14 +01:00 committed by Fabio Baltieri
parent 759c9b42e3
commit 302aae2749
1 changed files with 10 additions and 0 deletions
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10
doc/releases/migration-guide-3.6.rst
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@ -118,6 +118,16 @@ Device Drivers and Device Tree
* - ``DT_INST_BUS_LABEL(inst)``
- ``DT_PROP(DT_BUS(DT_DRV_INST(inst)), label)``
* The :dtcompatible:`st,stm32-lptim` lptim which is selected for counting ticks during
low power modes is identified by **stm32_lp_tick_source** in the device tree as follows.
The stm32_lptim_timer driver has been changed to support this.
.. code-block:: devicetree
stm32_lp_tick_source: &lptim1 {
status = "okay";
};
Power Management
================