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Message-Id: <20201205054749.26487-1-digetx@gmail.com>
Date:   Sat,  5 Dec 2020 08:47:46 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Nick Dyer <nick@...anahar.org>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Linus Walleij <linus.walleij@...aro.org>,
        Jiada Wang <jiada_wang@...tor.com>
Cc:     linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-tegra@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 0/3] Support wakeup methods of Atmel maXTouch controllers

Some Atmel maXTouch controllers, like mXT1386 and mXT3432S1 for example,
have a WAKE line that needs to be asserted in order to wake controller
from a deep sleep, otherwise it will be unusable. This series implements
support for the wakeup methods in accordance to the mXT1386 datasheet [1],
see page 29 (chapter "5.8 WAKE Line").

The mXT1386 is a widely used controller found on many older Android tablet
devices. Touchscreen on Acer A500 tablet now works properly after this
series.

This patchset is a continuation of the work originally started by
Jiada Wang [2].

[1] https://ww1.microchip.com/downloads/en/DeviceDoc/mXT1386_1vx_Datasheet_LX.pdf
[2] https://patchwork.kernel.org/project/linux-input/list/?series=357875

Changelog:

v2: - Fixed copy-paste bug in the code.

Dmitry Osipenko (3):
  dt-bindings: input: atmel_mxt_ts: Document atmel,wakeup-method and
    wake-GPIO
  Input: atmel_mxt_ts - support wakeup methods
  ARM: tegra: acer-a500: Add atmel,wakeup-method property

 .../bindings/input/atmel,maxtouch.yaml        | 26 +++++++++
 .../boot/dts/tegra20-acer-a500-picasso.dts    |  3 +
 drivers/input/touchscreen/atmel_mxt_ts.c      | 55 +++++++++++++++++++
 include/dt-bindings/input/atmel-maxtouch.h    | 10 ++++
 4 files changed, 94 insertions(+)
 create mode 100644 include/dt-bindings/input/atmel-maxtouch.h

-- 
2.29.2

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