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* iio: Add support for creating IIO devices via configfsDaniel Baluta2016-05-041-0/+1
| | | | | | | | | | | | This is similar with support for creating triggers via configfs. Devices will be hosted under: * /config/iio/devices We allow users to register "device types" under: * /config/iio/devices/<device_types>/ Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: light: add MAX30100 oximeter driver supportMatt Ranostay2015-12-121-0/+1
| | | | | | | | | | | | | MAX30100 is an heart rate and pulse oximeter sensor that works using two LEDS of different wavelengths, and detecting the light reflected back. This patchset adds support for both IR and RED LED channels which can be processed in userspace to determine heart rate and blood oxygen levels. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: core: Introduce IIO software triggersDaniel Baluta2015-12-031-0/+1
| | | | | | | | | | | | | | | | | | | | A software trigger associates an IIO device trigger with a software interrupt source (e.g: timer, sysfs). This patch adds the generic infrastructure for handling software triggers. Software interrupts sources are kept in a iio_trigger_types_list and registered separately when the associated kernel module is loaded. Software triggers can be created directly from drivers or from user space via configfs interface. To sum up, this dynamically creates "triggers" group to be found under /config/iio/triggers and offers the possibility of dynamically creating trigger types groups. The first supported trigger type is "hrtimer" found under /config/iio/triggers/hrtimer. Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: core: Introduce IIO configfs supportDaniel Baluta2015-12-031-0/+1
| | | | | | | | | | | | | This patch creates the IIO configfs root group. The group will appear under <mount-point>/iio/, usually /config/iio. We introduce configfs support in IIO in order to be able to easily create IIO objects from userspace. The first supported IIO objects are triggers introduced with next patches. Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Tested-by: Matt Ranostay <matt.ranostay@intel> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Move IIO Dummy Driver out of stagingCristina Opriceana2015-10-251-0/+1
| | | | | | | | | | | | This patch moves the reference IIO dummy driver from drivers/staging/iio into a separate folder, drivers/iio/dummy and adds the proper Kconfig and Makefile for it. A new config menu entry called IIO dummy driver has also been added in the Industrial I/O support menu, corresponding to this driver. Signed-off-by: Cristina Opriceana <cristina.opriceana@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: mcp4531: Driver for Microchip digital potentiometersPeter Rosin2015-09-301-0/+1
| | | | | | | | | | | | | | | | | | | | | Add support for Microchip digital potentiometers and rheostats MCP4531, MCP4532, MCP4551, MCP4552 MCP4631, MCP4632, MCP4651, MCP4652 DEVICE Wipers Steps Resistor Opts (kOhm) i2c address MCP4531 1 129 5, 10, 50, 100 010111x MCP4532 1 129 5, 10, 50, 100 01011xx MCP4551 1 257 5, 10, 50, 100 010111x MCP4552 1 257 5, 10, 50, 100 01011xx MCP4631 2 129 5, 10, 50, 100 0101xxx MCP4632 2 129 5, 10, 50, 100 01011xx MCP4651 2 257 5, 10, 50, 100 0101xxx MCP4652 2 257 5, 10, 50, 100 01011xx Datasheet: http://www.microchip.com/downloads/en/DeviceDoc/22096b.pdf Signed-off-by: Peter Rosin <peda@axentia.se> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: chemical: add SGX VZ89x VOC sensor supportMatt Ranostay2015-09-231-0/+1
| | | | | | | | Add support for VZ89X sensors VOC and CO2 reporting channels in percentage which can be converted to part per million. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Support triggered eventsVladimir Barinov2015-08-271-0/+2
| | | | | | | | | | Support triggered events. This is useful for chips that don't have their own interrupt sources. It allows to use generic/standalone iio triggers for those drivers. Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Move generic buffer implementations to sub-directoryLars-Peter Clausen2015-08-161-4/+1
| | | | | | | | | | | | | | For generic IIO trigger implementations we already have a sub-directory, but the generic buffer implementations currently reside in the IIO top-level directory. The main reason is that things have historically grown into this form. With more generic buffer implementations on its way now is the perfect time to clean this up and introduce a sub-directory for generic buffer implementations to avoid too much clutter in the top-level directory. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Move callback buffer to its own moduleLars-Peter Clausen2015-08-151-1/+1
| | | | | | | | | | | | | Currently the IIO callback buffer implementation is directly built into the IIO core module when enabled. Given that the callback buffer module is standalone functionallity there is really no reason to do this. So move it to its own module. Also rename the source to follow the standard IIO module naming convention as well as add a license notice to the file. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Add AS3935 lightning sensor supportMatt Ranostay2014-03-161-0/+1
| | | | | | | | | AS3935 chipset can detect lightning strikes and reports those back as events and the estimated distance to the storm. Signed-off-by: Matt Ranostay <mranostay@gmail.com> Reviewed-by: Marek Vasut <marex@denx.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: hid-sensors: Added Inclinometer 3DSrinivas Pandruvada2013-12-031-0/+1
| | | | | | | | | | Added usage id processing for Inclinometer 3D. This uses IIO interfaces for triggered buffer to present data to user mode.This uses HID sensor framework for registering callback events from the sensor hub. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Add new driver dht11Harald Geyer2013-12-031-0/+1
| | | | | | | This driver handles DHT11 and DHT22 sensors. Signed-off-by: Harald Geyer <harald@ccbib.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Restore alphabetic order in MakefilePeter Meerwald2013-08-171-1/+1
| | | | | Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Add tmp006 IR temperature sensorPeter Meerwald2013-08-171-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | the TI TMP006 is a non-contact temperature sensor with I2C interface; it measures the surface temperature of a distance object using a thermopile to absorb IR energy emitted from the object the sensor has two channels: IR sensor voltage (16-bit) and reference temperature of the chip (14-bit); datasheet is here: http://www.ti.com/lit/ds/symlink/tmp006.pdf v2 (thanks to Grygorii Strashko, Lars-Peter Clausen, Jonathan Cameron for review comments): * power down device on driver remove * use sign_extend32() * style cleanup * add comments what channel raw LSBs mean * spelling of thermopile Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Cc: Grygorii Strashko <grygorii.strashko@ti.com> Cc: Lars-Peter Clausen <lars@metafoo.de> Cc: Jonathan Cameron <jic23@kernel.org> Cc: LM Sensors <lm-sensors@lm-sensors.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* Revert "iio: add configuration option for debug support"Greg Kroah-Hartman2013-08-051-2/+0
| | | | | | | | | | | | | This reverts commit 98a5e9e99d05e9b6a14778b85631b55e8e349990. IIO, like the rest of the kernel, should rely on dynamic debugging, not have a special config option for it. That way, no user has to rebuild their kernel to have debug messages, which is a good thing, let's not revert back to the bad old days of the 2000's. Cc: Otavio Salvador <otavio@ossystems.com.br> Cc: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* iio: add configuration option for debug supportOtavio Salvador2013-08-031-0/+2
| | | | | Signed-off-by: Otavio Salvador <otavio@ossystems.com.br> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:pressure: Add STMicroelectronics pressures driverDenis CIOCCA2013-06-051-0/+1
| | | | | | | | This patch adds a generic pressure driver for STMicroelectronics pressure sensors, currently it supports: LPS331AP. Signed-off-by: Denis Ciocca <denis.ciocca@st.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio:trigger:sysfs Move out of staging.Jonathan Cameron2013-05-221-0/+1
| | | | | | | | This simple driver is rather useful. No issues about its interface have been raised for some time hence the proposal to move it out of staging. Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* staging:iio: Move adis library out of stagingLars-Peter Clausen2012-11-191-3/+4
| | | | | | | | | | | Now that the adis library no longer depends on the sw_ring buffer implementation we can move it out of staging. While we are at it also sort the entries in the iio Kconfig and Makefile to be in alphabetical order. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* staging:iio: add a callback buffer for in kernel push interfaceJonathan Cameron2012-11-101-0/+1
| | | | | | | | This callback buffer is meant to be opaque to users, but basically adds a very simple pass through buffer to which data may be pushed when it is inserted into the buffer list. Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Remove duplicates for light/ in Kconfig and MakefileAndreas Larsson2012-10-191-1/+0
| | | | | Signed-off-by: Andreas Larsson <andreas@gaisler.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: hid-sensors: Added ALSsrinivas pandruvada2012-09-061-0/+1
| | | | | | | | | | Added usage id processing for ALS. This uses IIO interfaces for triggered buffer to present data to user mode.This uses HID sensor framework for registering callback events from the sensor hub. Signed-off-by: srinivas pandruvada <srinivas.pandruvada@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: hid-sensors: Added Compass/Magnetometer 3Dsrinivas pandruvada2012-09-061-0/+1
| | | | | | | | | | Added usage id processing for Compass 3D. This uses IIO interfaces for triggered buffer to present data to user mode.This uses HID sensor framework for registering callback events from the sensor hub. Signed-off-by: srinivas pandruvada <srinivas.pandruvada@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: hid-sensors: Added Gyroscope 3Dsrinivas pandruvada2012-09-061-0/+1
| | | | | | | | | | Added usage id processing for Gyroscope 3D. This uses IIO interfaces for triggered buffer to present data to user mode.This uses HID sensor framework for registering callback events from the sensor hub. Signed-off-by: srinivas pandruvada <srinivas.pandruvada@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: hid-sensors: Added accelerometer 3Dsrinivas pandruvada2012-09-061-0/+1
| | | | | | | | | | Added usage id processing for Accelerometer 3D.This uses IIO interfaces for triggered buffer to present data to user mode.This uses HID sensor framework for registering callback events from the sensor hub. Signed-off-by: srinivas pandruvada <srinivas.pandruvada@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: hid-sensors: Common attribute and triggersrinivas pandruvada2012-09-061-0/+1
| | | | | | | | | | | This patch contains the common code, which is used by all HID sensors. There are some common set of attributes, which every hid sensor needs it. This patch contains all such attributes processing. Also the trigger interface is common among all HID sensors. This patch contains common trigger functions utilized by all HID sensors. Signed-off-by: srinivas pandruvada <srinivas.pandruvada@intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
* iio: Add helper function for initializing triggered buffersLars-Peter Clausen2012-06-191-0/+1
| | | | | | | | | | Add a helper function for executing the common tasks which are usually involved in setting up a simple software ringbuffer. It will allocate the buffer, allocate the pollfunc and register the buffer. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* staging:iio: Move DAC drivers out of stagingLars-Peter Clausen2012-06-051-0/+1
| | | | | | | | | | | | The IIO DAC drivers are in a reasonably good shape. They all make use of channel spec and non of them provides non-documented sysfs attributes. Code style should be OK as well, both checkpatch and coccicheck only report trivial issues. So lets move the whole folder out of staging. Signed-off-by: Lars-Peter Clausen <lars@metafoo.de> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* iio: frequency: New driver for AD9523 SPI Low Jitter Clock GeneratorMichael Hennerich2012-06-051-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes since V1: Apply Jonathan's review feedback: Revise device status attribute names, and split documentation into two sections. Add additional comments, and fix indention issues. Remove pointless zero initializations. Revise return value handling. Simplify some code sections. Split store_eeprom and sync handling into separate functions. Use strtobool where applicable. Document platform data structures using kernel-doc style. Use dev_to_iio_dev write_raw IIO_CHAN_INFO_FREQUENCY: Reject values <= 0 Make patch target drivers/iio Changes since V2: Use for_each_clear_bit() and __set_bit() where applicable. Add descriptive comment. Avoid temporary for struct regulator. spi_device_id name use ad9523-1, ad9523 will be added later. Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* iio: add LM3533 ambient-light-sensor driverJohan Hovold2012-06-051-0/+1
| | | | | | | | | | | | | | | | | | Add sub-driver for the ambient-light-sensor interface on National Semiconductor / TI LM3533 lighting power chips. The sensor interface can be used to control the LEDs and backlights of the chip through defining five light zones and three sets of corresponding output-current values. The driver provides raw and mean adc readings along with the current light zone through sysfs. A threshold event can be generated on zone changes. The ALS-control output values can be set per zone for the three current output channels. Signed-off-by: Johan Hovold <jhovold@gmail.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* ARM: AT91: IIO: Add AT91 ADC driver.Maxime Ripard2012-05-141-0/+1
| | | | | | | | | | | | Add the ADC driver for Atmel's AT91SAM9G20-EK, AT91SAM9M10G45-EK and AT91SAM9X5 family boards. It has support for both software and hardware triggers. Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com> Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* iio: amplifiers: New driver for AD8366 Dual-Digital Variable Gain AmplifierMichael Hennerich2012-05-141-0/+2
| | | | | | | | | | | | | | | | | | | Changes since V1: Apply review feedback: Introduce and use IIO_CHAN_INFO_HARDWAREGAIN Introduce and use Use IIO_VAL_INT_PLUS_MICRO_DB Modify out of staging include paths. Convert to new iio core API naming. Changes since V2: more sanity checking in write_raw Signed-off-by: Michael Hennerich <michael.hennerich@analog.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
* IIO: Move the core files to drivers/iioJonathan Cameron2012-04-251-0/+10
Take the core support + the kfifo buffer implentation out of staging. Whilst we are far from done in improving this subsystem it is now at a stage where the userspae interfaces (provided by the core) can be considered stable. Drivers will follow over a longer time scale. Signed-off-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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