From: Oleksij Rempel <o.rempel@pengutronix.de>
To: Rob Herring <robh+dt@kernel.org>, Jonathan Cameron <jic23@kernel.org>
Cc: Oleksij Rempel <o.rempel@pengutronix.de>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Pengutronix Kernel Team <kernel@pengutronix.de>,
David Jander <david@protonic.nl>,
Robin van der Gracht <robin@protonic.nl>,
linux-iio@vger.kernel.org, Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>
Subject: [PATCH v3 0/3] mainline ti tsc2046 adc driver
Date: Fri, 19 Mar 2021 15:45:06 +0100 [thread overview]
Message-ID: <20210319144509.7627-1-o.rempel@pengutronix.de> (raw)
changes v3:
- different spell fixes
- add some notes about driver structure
- rename the trigger to point on the touchscreen nature of it
- rename DT binding to oversampling-ratio
- make sure we have some defaults in case no DT property is set
changes v2:
- rework and extend DT binding properties
- remove touchscreen related code from the IIO ADC driver
- make trigger be active longer then IRQ is requesting. This is needed
to get "inactive" samples
- make oversampling and settle time configurable
TI TSC2046 is a touchscreen controller based on 8 channel ADC. Since most of
this ADC based touchscreen controller share same set of challenges, it
is better keep then as simple IIO ADC devices attached to a generic
resistive-adc-touch driver.
This driver can replace drivers/input/touchscreen/ads7846.c and has
following advantages over it:
- less code to maintain
- shared code paths (resistive-adc-touch, iio-hwmon, etc)
- can be used as plain IIO ADC to investigate signaling issues or test
real capacity of the plates and attached low-pass filters
(or use the touchscreen as a microphone if you like ;) )
Oleksij Rempel (3):
dt-bindings:iio:adc: add generic settling-time-us and
oversampling-ratio channel properties
dt-bindings:iio:adc: add documentation for TI TSC2046 controller
iio: adc: add ADC driver for the TI TSC2046 controller
.../devicetree/bindings/iio/adc/adc.yaml | 9 +
.../bindings/iio/adc/ti,tsc2046.yaml | 115 +++
MAINTAINERS | 8 +
drivers/iio/adc/Kconfig | 12 +
drivers/iio/adc/Makefile | 1 +
drivers/iio/adc/ti-tsc2046.c | 728 ++++++++++++++++++
6 files changed, 873 insertions(+)
create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml
create mode 100644 drivers/iio/adc/ti-tsc2046.c
--
2.29.2
next reply other threads:[~2021-03-19 14:46 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-19 14:45 Oleksij Rempel [this message]
2021-03-19 14:45 ` [PATCH v3 1/3] dt-bindings:iio:adc: add generic settling-time-us and oversampling-ratio channel properties Oleksij Rempel
2021-03-19 14:45 ` [PATCH v3 2/3] dt-bindings:iio:adc: add documentation for TI TSC2046 controller Oleksij Rempel
2021-03-19 14:45 ` [PATCH v3 3/3] iio: adc: add ADC driver for the " Oleksij Rempel
2021-03-19 16:35 ` kernel test robot
2021-03-19 17:42 ` Andy Shevchenko
2021-03-22 10:30 ` Oleksij Rempel
2021-03-22 13:41 ` Andy Shevchenko
2021-03-22 14:08 ` Oleksij Rempel
2021-03-20 15:46 ` Jonathan Cameron
2021-03-22 11:56 ` Oleksij Rempel
2021-03-22 14:27 ` Jonathan Cameron
2021-03-29 7:38 ` Oleksij Rempel
2021-03-29 10:23 ` Jonathan Cameron
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20210319144509.7627-1-o.rempel@pengutronix.de \
--to=o.rempel@pengutronix.de \
--cc=david@protonic.nl \
--cc=devicetree@vger.kernel.org \
--cc=dmitry.torokhov@gmail.com \
--cc=jic23@kernel.org \
--cc=kernel@pengutronix.de \
--cc=lars@metafoo.de \
--cc=linux-iio@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=pmeerw@pmeerw.net \
--cc=robh+dt@kernel.org \
--cc=robin@protonic.nl \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).