linux-kernel - [PATCH v3 0/7] iio: adc: stm32-adc: add internal channels support

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Message-ID: <20210924083410.12332-1-olivier.moysan@foss.st.com>
Date:   Fri, 24 Sep 2021 10:34:03 +0200
From:   Olivier Moysan <olivier.moysan@...s.st.com>
To:     Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Fabrice Gasnier <fabrice.gasnier@...com>,
        Jonathan Cameron <jic23@...nel.org>,
        "Lars-Peter Clausen" <lars@...afoo.de>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Olivier Moysan <olivier.moysan@...s.st.com>,
        Rob Herring <robh+dt@...nel.org>
CC:     <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>
Subject: [PATCH v3 0/7] iio: adc: stm32-adc: add internal channels support

This patchset adds support of ADC2 internal channels VDDCORE, VREFINT and VBAT
on STM32MP15x SoCs. The generic IIO channel bindings is also introduced here
to provide this feature. The legacy channel binding is kept for backward compatibility.

Changes in v2:
- Add 'deprecated' to channels legacy properties in ADC bindings
- Add set/clr service for common registers, to make code more generic in
  internal channels enable/disable services.
- Expose vrefint channel as a processed channel to return
  the actual value of vrefp.
- Minor code improvements

Changes in v3:
- fix vrefint sampling time check.

Olivier Moysan (7):
  dt-bindings: iio: stm32-adc: add generic channel binding
  dt-bindings: iio: stm32-adc: add nvmem support for vrefint internal
    channel
  iio: adc: stm32-adc: split channel init into several routines
  iio: adc: stm32-adc: add support of generic channels binding
  iio: adc: stm32-adc: add support of internal channels
  iio: adc: stm32-adc: add vrefint calibration support
  iio: adc: stm32-adc: use generic binding for sample-time

 .../bindings/iio/adc/st,stm32-adc.yaml        | 108 ++++-
 drivers/iio/adc/stm32-adc-core.h              |   8 +
 drivers/iio/adc/stm32-adc.c                   | 426 ++++++++++++++++--
 3 files changed, 487 insertions(+), 55 deletions(-)

-- 
2.17.1