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[109.252.192.53]) by smtp.gmail.com with ESMTPSA id w28sm2231490ljd.48.2020.12.04.21.47.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 04 Dec 2020 21:47:59 -0800 (PST) From: Dmitry Osipenko To: Nick Dyer , Dmitry Torokhov , Rob Herring , Thierry Reding , Jonathan Hunter , Linus Walleij , Jiada Wang Cc: linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2 0/3] Support wakeup methods of Atmel maXTouch controllers Date: Sat, 5 Dec 2020 08:47:46 +0300 Message-Id: <20201205054749.26487-1-digetx@gmail.com> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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