linux-kernel - [PATCH v1 0/2] mainline ti tsc2046 adc driver

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Message-Id: <20210305133813.27967-1-o.rempel@pengutronix.de>
Date:   Fri,  5 Mar 2021 14:38:11 +0100
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Rob Herring <robh+dt@...nel.org>,
        Jonathan Cameron <jic23@...nel.org>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        David Jander <david@...tonic.nl>,
        Robin van der Gracht <robin@...tonic.nl>,
        linux-iio@...r.kernel.org, Lars-Peter Clausen <lars@...afoo.de>,
        Peter Meerwald-Stadler <pmeerw@...erw.net>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>
Subject: [PATCH v1 0/2] mainline ti tsc2046 adc driver

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 (2):
  dt-bindings:iio:adc: add documentation for TI TSC2046 controller
  iio: adc: add ADC driver for the TI TSC2046 controller

 .../bindings/iio/adc/ti,tsc2046.yaml          |  52 ++
 MAINTAINERS                                   |   8 +
 drivers/iio/adc/Kconfig                       |  12 +
 drivers/iio/adc/Makefile                      |   1 +
 drivers/iio/adc/ti-tsc2046.c                  | 652 ++++++++++++++++++
 5 files changed, 725 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/ti,tsc2046.yaml
 create mode 100644 drivers/iio/adc/ti-tsc2046.c

-- 
2.29.2