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readme: update pinctrl instructions 

Update pinctrl instructions to cover STM32 Open Pin Data changes.

Signed-off-by: Gerard Marull-Paretas <gerard@teslabs.com>
This commit is contained in:
Gerard Marull-Paretas 2020-11-22 19:36:47 +01:00 committed by Kumar Gala
parent 7bd7d8e49a
commit f0e1139812
1 changed files with 13 additions and 7 deletions
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README.rst
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@ -112,13 +112,19 @@ Additionally, you need to add the following includes:
***********
In order to provide STM32 boards pin configuration using device tree,
*-pinctrl.dtsi are made available under dts/st directory.
For each STM32 SoC package a complete and correct -pcintrl.dtsi is available.
These files are generated using generation scripts available in this repo
under scripts/genpinctrl. Generation use as input STM32 SoC description database
delivered with ST STM32CubeMX official tool.
New set of -pinctrl.dtsi files could be generated following availability of
new version of STM32CubeMx or change in generation script configuration files.
*-pinctrl.dtsi are made available under dts/st directory. For each STM32 SoC
package a complete and correct -pcintrl.dtsi is available. Generation use as
input the `STM32 Open Pin Data <https://github.com/STMicroelectronics/STM32_open_pin_data>`_
database.
*-pinctrl.dtsi files are generated using generation scripts available in this
repo under scripts/genpinctrl and can be generated by running::
python3 scripts/genpinctrl/genpinctrl.py -p /path/to/stm32-open-pin-data-repository
New set of -pinctrl.dtsi files could be generated following availability of a
new version of STM32 Open Pin Data or a change in the generation script
configuration files.
STM32Cube based libraries:
**************************