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Beniamin Bia 7989b4bb23 iio: adc: ad7616: Add support for AD7616 ADC
The AD7616 is a 12-bit ADC with 16 channels.

The AD7616 can be configured to work in hardware mode by controlling it via
gpio pins and read data via spi. No support for software mode yet, but it
is a work in progress.

This device requires a reset in order to update oversampling, so chip info
has got a new attribute to mark this.

The current assumption that this driver makes for AD7616, is that it's
working in Hardware Mode with Serial, Burst and Sequencer modes activated.
To activate them, following pins must be pulled high:
	-SER/PAR
	-SEQEN
And following must be pulled low:
	-WR/BURST
	-DB4/SEQEN

Datasheets:
Link: https://www.analog.com/media/en/technical-documentation/data-sheets/ad7616.pdf

Signed-off-by: Beniamin Bia <beniamin.bia@analog.com>
Signed-off-by: Alexandru Ardelean <alexandru.ardelean@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-04-14 13:22:29 +01:00
arch A collection of x86 and ARM bugfixes, and some improvements to documentation. 2019-03-31 08:55:59 -07:00
block
certs
crypto
Documentation dt-bindings: iio: imu: st_lsm6dsx: add lsm6dsr device bindings 2019-04-14 13:22:15 +01:00
drivers iio: adc: ad7616: Add support for AD7616 ADC 2019-04-14 13:22:29 +01:00
fs
include iio: ad_sigma_delta: Properly handle SPI bus locking vs CS assertion 2019-04-04 20:21:15 +01:00
init
ipc
kernel Merge branch 'smp-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2019-03-31 08:22:12 -07:00
lib
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samples
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tools A collection of x86 and ARM bugfixes, and some improvements to documentation. 2019-03-31 08:55:59 -07:00
usr
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.clang-format
.cocciconfig
.get_maintainer.ignore
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.mailmap mailmap: Update email for Sean Nyekjaer 2019-04-04 20:19:51 +01:00
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MAINTAINERS MAINTAINERS: Fix the link to ad7606 dt-bindings 2019-04-04 20:21:07 +01:00
Makefile Linux 5.1-rc3 2019-03-31 14:39:29 -07:00
README

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.