linux-kernel - [PATCH v3 00/17] iio: adc: ad7768-1: Add features, improvements, and fixes

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Message-ID: <20250211234552.1007753-1-Jonathan.Santos@analog.com>
Date: Tue, 11 Feb 2025 20:45:52 -0300
From: Jonathan Santos <Jonathan.Santos@...log.com>
To: <linux-iio@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC: Jonathan Santos <Jonathan.Santos@...log.com>, <lars@...afoo.de>,
        <Michael.Hennerich@...log.com>, <marcelo.schmitt@...log.com>,
        <jic23@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <jonath4nns@...il.com>,
        <marcelo.schmitt1@...il.com>
Subject: [PATCH v3 00/17] iio: adc: ad7768-1: Add features, improvements, and fixes

This patch series introduces some new features, improvements,
and fixes for the AD7768-1 ADC driver. 

The goal is to support all key functionalities listed in the device
datasheet, including filter mode selection, common mode voltage output
configuration and GPIO support. Additionally, this includes fixes 
for SPI communication and for IIO interface, and also code improvements
to enhance maintainability and readability.
---
Changes in v3:
* Fixed irregular or missing SoBs.
* Moved MOSI idle state patch to the start of the patch, as the other fix.
* fixed dt-binding errors.
* Trigger-sources is handled in a different way, as an alternative to sync-in-gpio.
  (this way we avoid breaking old applications).
* VCM output is controlled by the regulator framework.
* Added a second regmap for 24-bit register values.
* Add new preparatory patch replacing the manual attribute declarations for
  the read_avail from struct iio_info.
* included sinc3+rej60 filter type.
* Addressed review comments, see individual pacthes.
* Link to v2: https://lore.kernel.org/linux-iio/cover.1737985435.git.Jonathan.Santos@analog.com/T/#u

Changes in v2:
* Removed synchronization over SPI property and replaced it for trigger-sources.
* Added GPIO controller documentation.
* VCM output control changed from an IIO attribute to a devicetree property (static value).
* Converted driver to use regmap and dropped spi_read_reg and spi_write_reg pacthes.
* replaced decimation_rate attribute for oversampling_ratio and dropped device specific documentation patch.
* Added low pass -3dB cutoff attribute.
* Addressed review comments, see individual pacthes.
* Link to v1: https://lore.kernel.org/linux-iio/cover.1736201898.git.Jonathan.Santos@analog.com/T/#t
---
Jonathan Santos (13):
  iio: adc: ad7768-1: set MOSI idle state to prevent accidental reset
  dt-bindings: iio: adc: ad7768-1: add trigger-sources property
  dt-bindings: iio: adc: ad7768-1: Document GPIO controller
  dt-bindings: iio: adc: ad7768-1: document regulator provider property
  Documentation: ABI: add wideband filter type to  sysfs-bus-iio
  iio: adc: ad7768-1: remove unnecessary locking
  iio: adc: ad7768-1: convert driver to use regmap
  iio: adc: ad7768-1: add regulator to control VCM output
  iio: adc: ad7768-1: add multiple scan types to support 16-bits mode
  iio: adc: ad7768-1: add support for Synchronization over SPI
  iio: adc: ad7768-1: replace manual attribute declaration
  iio: adc: ad7768-1: add filter type and oversampling ratio attributes
  iio: adc: ad7768-1: add low pass -3dB cutoff attribute

Sergiu Cuciurean (4):
  iio: adc: ad7768-1: Fix conversion result sign
  iio: adc: ad7768-1: Add reset gpio
  iio: adc: ad7768-1: Move buffer allocation to a separate function
  iio: adc: ad7768-1: Add GPIO controller support

 Documentation/ABI/testing/sysfs-bus-iio       |    2 +
 .../bindings/iio/adc/adi,ad7768-1.yaml        |   59 +-
 drivers/iio/adc/ad7768-1.c                    | 1068 ++++++++++++++---
 3 files changed, 949 insertions(+), 180 deletions(-)


base-commit: 5de07b8a24cf44cdb78adeab790704bf577c2c1d
prerequisite-patch-id: 8b531bca46f7c7ea1c0f6d232d162fd05fda52f7
-- 
2.34.1