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>,
Thomas Gleixner <tglx@linutronix.de>
Subject: [PATCH v2 0/3] iio: magnetometer: ak8975: Add gpio reset support
Date: Tue, 19 May 2020 08:57:40 +0200 [thread overview]
Message-ID: <20200519065749.4624-1-jonathan.albrieux@gmail.com> (raw)
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 datasheed says that, if not used, reset pin should be connected
to VID. 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 | 22 +++++-
3 files changed, 90 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:[~2020-05-19 6:58 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-19 6:57 Jonathan Albrieux [this message]
2020-05-19 6:57 ` [PATCH v2 1/3] dt-bindings: iio: magnetometer: ak8975: convert txt format to yaml Jonathan Albrieux
2020-05-19 6:57 ` [PATCH v2 2/3] dt-bindings: iio: magnetometer: ak8975: add gpio reset support Jonathan Albrieux
2020-05-19 6:57 ` [PATCH v2 3/3] iio: magnetometer: ak8975: Add " Jonathan Albrieux
2020-05-19 9:21 ` Andy Shevchenko
2020-05-19 9:44 ` Jonathan Albrieux
2020-05-19 9:22 ` [PATCH v2 0/3] " Andy Shevchenko
2020-05-19 9:48 ` Jonathan Albrieux
2020-05-19 10:08 ` Andy Shevchenko
2020-05-19 10:19 ` Jonathan Albrieux
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