linux-kernel - [PATCH v4 00/15] Add support for AD7091R-2/-4/-8

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Date: Sat, 16 Dec 2023 14:44:43 -0300
From: Marcelo Schmitt <marcelo.schmitt@...log.com>
To: <apw@...onical.com>, <joe@...ches.com>, <dwaipayanray1@...il.com>,
        <lukas.bulwahn@...il.com>, <paul.cercueil@...log.com>,
        <Michael.Hennerich@...log.com>, <lars@...afoo.de>, <jic23@...nel.org>,
        <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <conor+dt@...nel.org>, <dan.carpenter@...aro.org>,
        <dlechner@...libre.com>, <marcelo.schmitt1@...il.com>
CC: <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH v4 00/15] Add support for AD7091R-2/-4/-8

From: Marcelo Schmitt <marcelo.schmitt1@...il.com>

----------------- Updates -----------------

Applied changes suggested to the previous set.

Change log v3 -> v4:
- Patch 1: checkpatch patch
  * Changed __aligned regex string.
- Patch 2: alert handling fix
  * Applied David's suggestion [1] to pass iio_dev on to IRQ thread handler.
- Patches 6, 7, 9
  * Removed ad7091r prefix from callback function names.
- New Patch 7: Remove uneeded probe parameters
  * Removed id->name and regmap from probe paramenters.
- Patch 8 (now Patch 9): Enable internal vref
  * Not expecting NULL return from regulator_get_optional() anymore;
  * Reverted to previous probe defer handling.
- Patch 10 (now Patch 11): dt doc
  * Extending existing ad7091r5 dt doc instead of creating a new one;
  * Added VDD and VDRIVE supplies to dt doc;
  * Removed channel property from dt doc;
  * Interrupt description, interrupt constraint check, example indentation improvements.
- Patch 12 (now Patch 13): add ad7091r8 patch
  * Neats to macros, gpio setups, and probe parameters.
- Patch 13 (now Patch 14):
  * Made use of wild cards in MAINTAINERS file.
- New Patch (Patch 15): event configuration callbacks

[1]: https://lore.kernel.org/linux-iio/CAMknhBHCYicEL_xhumBQMUm=HBVb=7dLrYsK8Zj2o7RodvMarw@mail.gmail.com/

Thank you all for the help with this set,
Marcelo

----------------- Context -----------------

This series adds support for AD7091R-2/-4/-8 ADCs which can do single shot
or sequenced readings. Threshold events are also supported.
Overall, AD7091R-2/-4/-8 are very similar to AD7091R-5 except they use SPI interface.

Changes have been tested with raspberrypi and eval board on raspberrypi kernel
6.7-rc3 from raspberrypi fork.
Link: https://wiki.analog.com/resources/tools-software/linux-drivers/iio-adc/ad7091r8

Marcelo Schmitt (15):
  scripts: checkpatch: Add __aligned to the list of attribute notes
  iio: adc: ad7091r: Pass iio_dev to event handler
  iio: adc: ad7091r: Set alert bit in config register
  iio: adc: ad7091r: Align arguments to function call parenthesis
  iio: adc: ad7091r: Move generic AD7091R code to base driver and header
    file
  iio: adc: ad7091r: Move chip init data to container struct
  iio: adc: ad7091r: Remove unneeded probe parameters
  iio: adc: ad7091r: Set device mode through chip_info callback
  iio: adc: ad7091r: Enable internal vref if external vref is not
    supplied
  iio: adc: ad7091r: Add chip_info callback to get conversion result
    channel
  iio: adc: Split AD7091R-5 config symbol
  dt-bindings: iio: Add AD7091R-8
  iio: adc: Add support for AD7091R-8
  MAINTAINERS: Add MAINTAINERS entry for AD7091R
  iio: adc: ad7091r: Allow users to configure device events

 .../bindings/iio/adc/adi,ad7091r5.yaml        |  82 +++++-
 MAINTAINERS                                   |   8 +
 drivers/iio/adc/Kconfig                       |  16 ++
 drivers/iio/adc/Makefile                      |   4 +-
 drivers/iio/adc/ad7091r-base.c                | 255 +++++++++++------
 drivers/iio/adc/ad7091r-base.h                |  81 +++++-
 drivers/iio/adc/ad7091r5.c                    | 120 ++++----
 drivers/iio/adc/ad7091r8.c                    | 257 ++++++++++++++++++
 scripts/checkpatch.pl                         |   1 +
 9 files changed, 682 insertions(+), 142 deletions(-)
 create mode 100644 drivers/iio/adc/ad7091r8.c

-- 
2.42.0