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ff50593026
The ad5758 has a hardware reset active low input pin. This patch adds a devicetree entry for a reset GPIO and a new ad5758_reset() function. During initialization, it is checked if the reset property is specified and the the GPIO is being asserted, therefore the device will become active. When the reset function is called, if the gpio_reset var is set, then the GPIO will be toggled, otherwise a software reset is performed. Signed-off-by: Stefan Popa <stefan.popa@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.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.
See Documentation/00-INDEX for a list of what is contained in each file.
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.