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7ea81ea58d
U-Boot enables ADC1&2 to support USB power measurement and ADC calibration on STM32MP15x Disco boards. When leaving U-boot the ADCs do not return to power down state to keep ADC linear calibration available for kernel. Enable ADC1&2 by default on STM32MP15xx-DKx boards to align kernel DT with Uboot. This avoids to shutdown the ADCs VDDA, while the ADCs are not in power down. Use STM32 ADC generic bindings instead of legacy bindings on STM32MP15xx-DKx boards. The ADC pins on Arduino connector are not set by default. These pins are added in A7 Disco example DTs only. Signed-off-by: Olivier Moysan <olivier.moysan@foss.st.com> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.