linux-kernel - [PATCH v3 0/3] ARM: qcom: add vibrator support for various MSM SOCs

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Message-Id: <20181025012937.2154-1-masneyb@onstation.org>
Date:   Wed, 24 Oct 2018 21:29:34 -0400
From:   Brian Masney <masneyb@...tation.org>
To:     dmitry.torokhov@...il.com, andy.gross@...aro.org,
        david.brown@...aro.org
Cc:     robh+dt@...nel.org, mark.rutland@....com, masneyb@...tation.org,
        linux-input@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        devicetree@...r.kernel.org, jonathan@...ek.ca
Subject: [PATCH v3 0/3] ARM: qcom: add vibrator support for various MSM SOCs

This patch set adds support for the vibrator found on various Qualcomm
MSM SOCs. This is based on work from:

Jonathan Marek from qcom,pwm-vibrator.c in the PostmarketOS repo:
https://gitlab.com/postmarketOS/linux-postmarketos/commit/7647fb36cb1cbd060f8b52087a68ab93583292b5

Jongrak Kwon and Devin Kim from msm_pwm_vibrator.c in the downstream
Android 3.4.0 sources:
https://android.googlesource.com/kernel/msm/+/android-msm-lenok-3.10-lollipop-wear-release/drivers/misc/msm_pwm_vibrator.c

Driver was tested on a LG Nexus 5 (hammerhead) phone using rumble-test:
https://git.collabora.com/cgit/user/sre/rumble-test.git/plain/rumble-test.c

Changes since v2
- Moved from pwm to input subsystem based on feedback from
  https://lore.kernel.org/lkml/20181012114749.GC31561@ulmo/. I
  previously wired this into the input system via pwm-vibra.

Changes since v1
- Update device tree binding document based on feedback from Rob
  Herring.
- Changed the driver description to: Qualcomm PWM driver for the MSM
  vibrator.

Brian Masney (3):
  dt-bindings: Input: new bindings for MSM vibrator
  Input: add new vibrator driver for various MSM SOCs
  ARM: dts: qcom: msm8974-hammerhead: add device tree bindings for
    vibrator

 .../bindings/input/msm-vibrator.txt           |  36 +++
 .../qcom-msm8974-lge-nexus5-hammerhead.dts    |  31 ++
 drivers/input/misc/Kconfig                    |  10 +
 drivers/input/misc/Makefile                   |   1 +
 drivers/input/misc/msm-vibrator.c             | 276 ++++++++++++++++++
 5 files changed, 354 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/input/msm-vibrator.txt
 create mode 100644 drivers/input/misc/msm-vibrator.c

-- 
2.17.2