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a502b343eb
According to the following tab (coming from STMFX datasheet), updates have to done in stmfx_pinconf_set function: -"type" has to be set when "bias" is configured as "pull-up or pull-down" -PIN_CONFIG_DRIVE_PUSH_PULL should only be used when gpio is configured as output. There is so no need to check direction. DIR | TYPE | PUPD | MFX GPIO configuration ----|------|------|--------------------------------------------------- 1 | 1 | 1 | OUTPUT open drain with internal pull-up resistor ----|------|------|--------------------------------------------------- 1 | 1 | 0 | OUTPUT open drain with internal pull-down resistor ----|------|------|--------------------------------------------------- 1 | 0 | 0/1 | OUTPUT push pull no pull ----|------|------|--------------------------------------------------- 0 | 1 | 1 | INPUT with internal pull-up resistor ----|------|------|--------------------------------------------------- 0 | 1 | 0 | INPUT with internal pull-down resistor ----|------|------|--------------------------------------------------- 0 | 0 | 1 | INPUT floating ----|------|------|--------------------------------------------------- 0 | 0 | 0 | analog (GPIO not used, default setting) Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com> Signed-off-by: Amelie Delaunay <amelie.delaunay@st.com> Link: https://lore.kernel.org/r/1564053416-32192-1-git-send-email-amelie.delaunay@st.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org> |
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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.