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From:   Jonathan Albrieux <jonathan.albrieux@gmail.com>
To:     linux-kernel@vger.kernel.org
Cc:     ~postmarketos/upstreaming@lists.sr.ht,
        Jonathan Albrieux <jonathan.albrieux@gmail.com>,
        Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
        devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED
        DEVICE TREE BINDINGS), Hartmut Knaack <knaack.h@gmx.de>,
        Jonathan Cameron <Jonathan.Cameron@huawei.com>,
        Lars-Peter Clausen <lars@metafoo.de>,
        Linus Walleij <linus.walleij@linaro.org>,
        linux-iio@vger.kernel.org (open list:IIO SUBSYSTEM AND DRIVERS),
        Peter Meerwald-Stadler <pmeerw@pmeerw.net>
Subject: [PATCH v6 0/4] iio: magnetometer: ak8975: Add gpio reset support
Date:   Mon, 25 May 2020 17:10:34 +0200
Message-Id: <20200525151117.32540-1-jonathan.albrieux@gmail.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

v6:
 - reword documentation for gpios, add interrupt documentation

v5:
 - add maintainer
https://lore.kernel.org/linux-iio/20200520163417.27805-1-jonathan.albrieux@gmail.com/

v4:
 - fix some typo
 - use gpio's dt-bindings for more clarity in documentation
 - set compatible properties without vendor prefix as deprecated
https://lore.kernel.org/linux-iio/20200520073125.30808-1-jonathan.albrieux@gmail.com/

v3:
 - fix patch messages style
 - align reset gpio comment to kernel doc reccomendation
 - introduce changelog
https://lore.kernel.org/linux-iio/20200519124402.26076-1-jonathan.albrieux@gmail.com/

v2:
 - rewording of reset gpio comment and patch messages to better clarify
   reset gpio behaviour
https://lore.kernel.org/linux-iio/20200518133645.19127-1-jonathan.albrieux@gmail.com/

v1:
 - initial patch submission
https://lore.kernel.org/linux-iio/20200519065749.4624-1-jonathan.albrieux@gmail.com/

Convert documentation from txt format to yaml. Add documentation about
reset-gpio.

Deassert reset on ak8975_power_on(), assert reset on ak8975_power_off().

Without reset's deassertion during ak8975_power_on(), driver's probe fails
on ak8975_who_i_am() while checking for device identity for AK09911 chip.

AK09911 has an active low reset gpio to handle register's reset.
AK09911 datasheet says that, if not used, reset pin should be connected
to VID. This patch emulates this situation.

Jonathan Albrieux (5):
  dt-bindings: iio: magnetometer: ak8975: reword gpios, add interrupts,
    fix style
  dt-bindings: iio: magnetometer: ak8975: convert format to yaml, add
    maintainer
  dt-bindings: iio: magnetometer: ak8975: add gpio reset support
  iio: magnetometer: ak8975: Fix typo, uniform measurement unit style
  iio: magnetometer: ak8975: Add gpio reset support

 .../bindings/iio/magnetometer/ak8975.txt      | 30 -------
 .../iio/magnetometer/asahi-kasei,ak8975.yaml  | 85 +++++++++++++++++++
 drivers/iio/magnetometer/ak8975.c             | 22 ++++-
 3 files changed, 105 insertions(+), 32 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt
 create mode 100644 Documentation/devicetree/bindings/iio/magnetometer/asahi-kasei,ak8975.yaml

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2.17.1