From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Jonathan Cameron <jic23@kernel.org>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>
Cc: <devicetree@vger.kernel.org>,
linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Miquel Raynal <miquel.raynal@bootlin.com>
Subject: [PATCH v3 0/8] Introduce max12xx ADC support
Date: Mon, 7 Oct 2019 15:26:49 +0200 [thread overview]
Message-ID: <20191007132657.4190-1-miquel.raynal@bootlin.com> (raw)
Hello, here is a patchset updating the existing max1027.c driver (for
10-bit max1027/29/31 ADCs) with a few corrections/improvements and
then introducing their 12-bit cousins named max1227/29/31.
As on my hardware setup the "start conversion" and "end of conversion"
pin are not wired (which is absolutely fine for this chip), I also
updated the driver and the bindings to support optional interrupts. In
this case, triggered buffers are not available and the user must poll
the value from sysfs.
Thanks,
Miquèl
Changes in v3:
==============
* Updated the commit message of the patch adding debugfs read access
to better explain why I decided to limit the number of bytes read to
two.
* Updated the macros to define the number of channels per device as
proposed by Jonathan.
* Re-used the realbits entry instead of adding my own (called .depth).
* Started doing DT-bindings yaml conversion, but realized that after
the first patch offering the interrupt as optional, the
documentation was fitting pretty well the trivial devices
representation. Dropped the specific bindings files and updated the
trivial devices list instead.
Changes in v2:
==============
* Removed the addition of three compatibles from patch 4 (the
preparation patch) to add these lines back in patch 5 (the actual
introduction).
Miquel Raynal (8):
iio: adc: max1027: Add debugfs register read support
iio: adc: max1027: Make it optional to use interrupts
iio: adc: max1027: Reset the device at probe time
iio: adc: max1027: Prepare the introduction of different resolutions
iio: adc: max1027: Introduce 12-bit devices support
dt-bindings: iio: adc: max1027: Mark interrupts as optional
dt-bindings: Add 1027/1029/1031 SPI ADCs as trivial devices
dt-bindings: Add max12xx SPI ADC series as trivial devices
.../bindings/iio/adc/max1027-adc.txt | 12 +-
.../devicetree/bindings/trivial-devices.yaml | 12 ++
drivers/iio/adc/Kconfig | 4 +-
drivers/iio/adc/max1027.c | 180 +++++++++++-------
4 files changed, 135 insertions(+), 73 deletions(-)
--
2.20.1
next reply other threads:[~2019-10-07 13:27 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-10-07 13:26 Miquel Raynal [this message]
2019-10-07 13:26 ` [PATCH v3 1/8] iio: adc: max1027: Add debugfs register read support Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 2/8] iio: adc: max1027: Make it optional to use interrupts Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 3/8] iio: adc: max1027: Reset the device at probe time Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 4/8] iio: adc: max1027: Prepare the introduction of different resolutions Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 5/8] iio: adc: max1027: Introduce 12-bit devices support Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 6/8] dt-bindings: iio: adc: max1027: Mark interrupts as optional Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 7/8] dt-bindings: Add 1027/1029/1031 SPI ADCs as trivial devices Miquel Raynal
2019-10-07 13:26 ` [PATCH v3 8/8] dt-bindings: Add max12xx SPI ADC series " Miquel Raynal
2019-10-10 20:47 ` Rob Herring
2019-10-10 21:31 ` Miquel Raynal
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