Chris Coffey 092cb71a60 iio: potentiometer: Add driver for Microchip MCP41xxx/42xxx
This patch adds driver support for the Microchip MCP41xxx/42xxx family
of digital potentiometers:

DEVICE      Wipers  Positions   Resistance (kOhm)
MCP41010    1       256         10
MCP41050    1       256         50
MCP41100    1       256         100
MCP42010    2       256         10
MCP42050    2       256         50
MCP42100    2       256         100

Datasheet: http://ww1.microchip.com/downloads/en/devicedoc/11195c.pdf

Signed-off-by: Chris Coffey <cmc@babblebit.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-11-25 12:35:26 +00:00
2018-11-02 11:25:48 -07:00
2018-10-31 08:54:14 -07:00
2018-11-04 08:20:09 -08:00
2018-10-31 11:01:38 -07:00
2018-11-03 10:47:33 -07:00
2018-11-02 10:04:26 -07:00
2018-11-02 11:02:52 -07:00
2018-04-15 17:21:30 -07:00
2018-10-31 08:54:12 -07:00
2017-11-17 17:45:29 -08:00
2018-11-04 15:37:52 -08:00

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.
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