From: Jonathan Albrieux <jonathan.albrieux@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: 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),
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
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>,
Steve Winslow <swinslow@gmail.com>,
Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH 0/3] iio: magnetometer: ak8975: Add gpio reset support
Date: Mon, 18 May 2020 15:36:35 +0200 [thread overview]
Message-ID: <20200518133645.19127-1-jonathan.albrieux@gmail.com> (raw)
Convert documentation from txt format to yaml. Add documentation about
reset-gpio.
Set reset gpio to high on ak8975_power_on, set reset gpio to low on
ak8975_power_off.
Without setting it to high on ak8975_power_on driver's probe fails
on ak8975_who_i_am while checking for device identity for AK09911 chip
AK09911 has a reset gpio to handle register's reset. If reset gpio is
set to low it will trigger the reset. AK09911 datasheed says that if not
used reset pin should be connected to VID and this patch emulates this
situation
Jonathan Albrieux (3):
dt-bindings: iio: magnetometer: ak8975: convert txt format to yaml
dt-bindings: iio: magnetometer: ak8975: add gpio reset support
iio: magnetometer: ak8975: Add gpio reset support
.../bindings/iio/magnetometer/ak8975.txt | 30 --------
.../bindings/iio/magnetometer/ak8975.yaml | 70 +++++++++++++++++++
drivers/iio/magnetometer/ak8975.c | 21 +++++-
3 files changed, 89 insertions(+), 32 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/iio/magnetometer/ak8975.txt
create mode 100644 Documentation/devicetree/bindings/iio/magnetometer/ak8975.yaml
--
2.17.1
next reply other threads:[~2020-05-18 13:37 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-18 13:36 Jonathan Albrieux [this message]
2020-05-18 13:36 ` [PATCH 1/3] dt-bindings: iio: magnetometer: ak8975: convert txt format to yaml Jonathan Albrieux
2020-05-18 13:36 ` [PATCH 2/3] dt-bindings: iio: magnetometer: ak8975: add gpio reset support Jonathan Albrieux
2020-05-25 8:43 ` Linus Walleij
2020-05-25 10:53 ` Jonathan Albrieux
2020-05-18 13:36 ` [PATCH 3/3] iio: magnetometer: ak8975: Add " Jonathan Albrieux
2020-05-18 14:55 ` Andy Shevchenko
2020-05-18 16:01 ` Jonathan Albrieux
2020-05-18 16:43 ` Andy Shevchenko
2020-05-18 17:43 ` Jonathan Albrieux
2020-05-18 17:51 ` Andy Shevchenko
2020-05-18 18:46 ` Jonathan Albrieux
2020-05-29 13:33 ` Pavel Machek
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