linux-kernel - Re: [PATCH v4 0/2] iio: adc: ti-ads7924: add Texas Instruments ADS7924 driver

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Message-ID: <20230121182023.1f1516d2@jic23-huawei>
Date:   Sat, 21 Jan 2023 18:20:23 +0000
From:   Jonathan Cameron <jic23@...nel.org>
To:     Hugo Villeneuve <hugo@...ovil.com>
Cc:     hvilleneuve@...onoff.com, lars@...afoo.de, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 0/2] iio: adc: ti-ads7924: add Texas Instruments
 ADS7924 driver

On Sun, 15 Jan 2023 12:06:21 -0500
Hugo Villeneuve <hugo@...ovil.com> wrote:

> From: Hugo Villeneuve <hvilleneuve@...onoff.com>
> 
> Hello,
> this patch series adds the driver for the Texas Instruments ADS7924.
> 
> The Texas Instruments ADS7924 is a 4 channels, 12-bit analog to
> digital converter (ADC) with an I2C interface.
> 
> Patch 1 contains the driver for the ADS7924.
> 
> Patch 2 add the dt-bindings for the ADS7924.
> 
> I have tested the driver using the Texas Instruments ADS7924EVM board connected
> to a Variscite Symphony EVK with a IMX8MN NANO SOM:
>   - Tested reset pin Ok
>   - Tested regulator setup Ok
>   - Tested reading sysfs in_voltage_scale Ok
>   - Tested reading sysfs in_voltageX_raw (x=0 to 3) Ok
> 
> Thank you.
> 
> Link: [v1] https://lore.kernel.org/linux-iio/20221222203610.2571287-1-hugo@hugovil.com/
> Link: [v2] https://lore.kernel.org/linux-iio/20230110160124.3853593-1-hugo@hugovil.com/
> Link: [v3] https://lore.kernel.org/linux-iio/20230113194959.3276433-1-hugo@hugovil.com/

Series applied to the togreg branch of iio.git and pushed out initially as testing
for 0-day to work it's magic and see if it can find anything we missed!

Thanks,

Jonathan

> 
> Changes for V4:
> - DT bindings: remove label description.
> - Remove blank line between datasheet tag and SOB in commit message.
> - Return value from regulator_get_voltage()
> - Fix num_channels comparison (cannot be < 0)
> - Change severity of message to dev_err in ads7924_set_conv_mode().
> 
> Changes for V3:
> - Rebase on linux-6.2-rc1
> - Refactor to follow usual coding practices as per review comments.
> - Fix missing include (reported by kernel test robot).
> - Fix DT bindings errors.
> - Removed unused define.
> - Remove breaks after return.
> - Remove debug message in ads7924_get_channels_config().
> - Remove braces around swich case IIO_CHAN_INFO_RAW.
> - Remove comments about regulator_get_voltage() failing for dummy regulator.
> 
> Changes for V2:
> - Dropped patch "iio: adc: Kconfig: add SPI interface mention to AD7924
>   description"
> - Fixed comments style
> - Removed unused defines/variables/etc related to buffered support (no buffered
>   support for the moment).
> - Convert of-specific code to use the generic firmware property accessors in
>   include/linux/property.h.
> - Use FIELD_GET / FIELD_PREP for bit operations/defines
> - Simplified conversion result registers definitions/usage.
> - Now using mutex lock/unlock only for INFO_RAW switch branch
> - Use dev_err_probe() in all return paths of ads7924_probe()
> - Removed ads7924_remove() after adding callbacks with
>   devm_add_action_or_reset().
> - Change iio_device_register() to devm_iio_device_register().
> - Add the legacy i2c_device_id table
> - DT bindings: reorder entries, fix indentation,improve comments, add interrupt
>   line
> 
> Hugo Villeneuve (2):
>   iio: adc: ti-ads7924: add Texas Instruments ADS7924 driver
>   dt-bindings: iio: adc: add Texas Instruments ADS7924
> 
>  .../bindings/iio/adc/ti,ads7924.yaml          | 110 ++++
>  MAINTAINERS                                   |   7 +
>  drivers/iio/adc/Kconfig                       |  11 +
>  drivers/iio/adc/Makefile                      |   1 +
>  drivers/iio/adc/ti-ads7924.c                  | 474 ++++++++++++++++++
>  5 files changed, 603 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,ads7924.yaml
>  create mode 100644 drivers/iio/adc/ti-ads7924.c
> 
> 
> base-commit: 1b929c02afd37871d5afb9d498426f83432e71c2