linux-kernel - [PATCH v4 0/5] Add sensorhub driver

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Message-id: <1421251763-26513-1-git-send-email-k.wrona@samsung.com>
Date:	Wed, 14 Jan 2015 17:09:18 +0100
From:	Karol Wrona <k.wrona@...sung.com>
To:	Jonathan Cameron <jic23@...nel.org>, linux-iio@...r.kernel.org,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald <pmeerw@...erw.net>,
	linux-kernel@...r.kernel.org
Cc:	Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
	Kyungmin Park <kyungmin.park@...sung.com>,
	Karol Wrona <wrona.vy@...il.com>,
	Karol Wrona <k.wrona@...sung.com>
Subject: [PATCH v4 0/5] Add sensorhub driver

This patchset adds support for sensorhub.  It is an external mcu which
manages and collects data from several sensors i.e. on Galaxy Gear 2 watch.

It contains:
- spi driver for sensorhub device
- DT binding for the device
- IIO common utils for ssp sensors (iio kfifo setup helpers, pre/post callbacks)
- IIO accelerometer driver
- IIO gyroscope driver

For now the driver supports "traditional" sensors but new ones types are
intended to be used.

>From v1:
  - Adopted to new stm32fwu v5
  - Fixed sensors' data process callbacks
  - Fixed comments style

>From v2:
  - Fixes after Hartmut Knaack review
  - Sensorhub driver was moved from misc to iio after the discussion with Arnd
    and Jonathan
  - Firmware upgrade is not supported in this patchset. I hope it will be
    applied when it will find its own place in the tree.

>From v3:
  - change buffer allocation manner for iio devices buffers
  - centralize irq buffer
  - style fixes
  - sensors' devices as mfd cells
  - remove iio_buffer_register from the sensorhub drivers
  - fix DT binding and remove optional attributes

I rebased it on:
next-20150114 with: devm kfifo patches and 

3e1b6c95b990c93f4aa3b17e9f66221e2fa44bee 
iio: Move buffer registration to the core

Karol



Karol Wrona (5):
  iio: common: ssp_sensors: Add sensorhub driver
  iio: sensorhub: Add sensorhub bindings
  iio: common: ssp_sensors: Add sensorhub iio commons
  iio: common: ssp_sensors: Add sensorhub accelerometer sensor
  iio: common: ssp_sensors: Add sensorhub gyroscope sensor

 .../devicetree/bindings/iio/sensorhub.txt          |   25 +
 drivers/iio/accel/Makefile                         |    1 +
 drivers/iio/accel/ssp_accel_sensor.c               |  170 +++++
 drivers/iio/common/Kconfig                         |    1 +
 drivers/iio/common/Makefile                        |    1 +
 drivers/iio/common/ssp_sensors/Kconfig             |   25 +
 drivers/iio/common/ssp_sensors/Makefile            |    8 +
 drivers/iio/common/ssp_sensors/ssp.h               |  257 +++++++
 drivers/iio/common/ssp_sensors/ssp_dev.c           |  712 ++++++++++++++++++++
 drivers/iio/common/ssp_sensors/ssp_iio.c           |  107 +++
 drivers/iio/common/ssp_sensors/ssp_iio_sensor.h    |   70 ++
 drivers/iio/common/ssp_sensors/ssp_spi.c           |  608 +++++++++++++++++
 drivers/iio/gyro/Makefile                          |    2 +
 drivers/iio/gyro/ssp_gyro_sensor.c                 |  169 +++++
 include/linux/iio/common/ssp_sensors.h             |   82 +++
 15 files changed, 2238 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/sensorhub.txt
 create mode 100644 drivers/iio/accel/ssp_accel_sensor.c
 create mode 100644 drivers/iio/common/ssp_sensors/Kconfig
 create mode 100644 drivers/iio/common/ssp_sensors/Makefile
 create mode 100644 drivers/iio/common/ssp_sensors/ssp.h
 create mode 100644 drivers/iio/common/ssp_sensors/ssp_dev.c
 create mode 100644 drivers/iio/common/ssp_sensors/ssp_iio.c
 create mode 100644 drivers/iio/common/ssp_sensors/ssp_iio_sensor.h
 create mode 100644 drivers/iio/common/ssp_sensors/ssp_spi.c
 create mode 100644 drivers/iio/gyro/ssp_gyro_sensor.c
 create mode 100644 include/linux/iio/common/ssp_sensors.h

-- 
1.7.9.5

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