linux-kernel - [PATCH v3 0/2] Input: cypress-sf - Add support for Cypress Streetfighter touchkeys

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Date:   Wed, 01 Sep 2021 16:52:48 +0000
From:   Yassine Oudjana <y.oudjana@...tonmail.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Rob Herring <robh+dt@...nel.org>
Cc:     Yassine Oudjana <y.oudjana@...tonmail.com>,
        linux-input@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, phone-devel@...r.kernel.org,
        ~postmarketos/upstreaming@...ts.sr.ht
Subject: [PATCH v3 0/2] Input: cypress-sf - Add support for Cypress Streetfighter touchkeys

This patchset adds support for Cypress StreetFighter touchkeys.

Due to lack of documentation, this driver is entirely based on information
gathered from a driver written for an old Android kernel fork[1][2].

[1] https://github.com/LineageOS/android_kernel_xiaomi_msm8996/blob/lineage-18.1/drivers/input/touchscreen/cyttsp_button.c
[2] https://github.com/LineageOS/android_kernel_xiaomi_msm8996/blob/lineage-18.1/arch/arm/boot/dts/qcom/a4-msm8996-mtp.dtsi#L291-L314

Changes since v2:
 - Code style fixes.
 - Added copyright statement.
Changes since v1:
 - Changed version variables in probe to int to allow storing error codes.
 - Fixed some issues in dt binding.
 
Yassine Oudjana (2):
  Input: cypress-sf - Add Cypress StreetFighter touchkey driver
  dt-bindings: input: Add binding for cypress-sf

 .../devicetree/bindings/input/cypress-sf.yaml |  61 +++++
 drivers/input/keyboard/Kconfig                |  10 +
 drivers/input/keyboard/Makefile               |   1 +
 drivers/input/keyboard/cypress-sf.c           | 223 ++++++++++++++++++
 4 files changed, 295 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/cypress-sf.yaml
 create mode 100644 drivers/input/keyboard/cypress-sf.c

-- 
2.33.0