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2025-08-25iio: mcp9600: Recognize chip id for mcp9601Ben Collins1-3/+5
The current driver works with mcp9601, but emits a warning because it does not recognize the chip id. MCP9601 is a superset of MCP9600. The drivers works without changes on this chipset. However, the 9601 chip supports open/closed-circuit detection if wired properly, so we'll need to be able to differentiate between them. Moved "struct mcp9600_data" up in the file since a later patch will need it and chip_info before the declarations. Signed-off-by: Ben Collins <bcollins@watter.com> Reviewed-by: David Lechner <dlechner@baylibre.com> Link: https://patch.msgid.link/20250822-upstream-changes-v8-4-40bb1739e3e2@watter.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2024-09-30iio: temperature: tmp006: add triggered buffer supportAntoni Pokusinski1-0/+2
Add support for continuous data capture using triggered buffers for the tmp006 sensor. The device features a "data ready" interrupt line which is pulled down once a new measurement is ready to be read. Signed-off-by: Antoni Pokusinski <apokusinski01@gmail.com> Link: https://patch.msgid.link/20240908172153.177406-2-apokusinski01@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-12-11iio: temperature: mlx90635 MLX90635 IR Temperature sensorCrt Mori1-0/+12
MLX90635 is an Infra Red contactless temperature sensor most suitable for consumer applications where measured object temperature is in range between -20 to 100 degrees Celsius. It has improved accuracy for measurements within temperature range of human body and can operate in ambient temperature range between -20 to 85 degrees Celsius. Driver provides simple power management possibility as it returns to lowest possible power mode (Step sleep mode) in which temperature measurements can still be performed, yet for continuous measuring it switches to Continuous power mode where measurements constantly change without triggering. Signed-off-by: Crt Mori<cmo@melexis.com> Link: https://lore.kernel.org/r/c6590e4fb8d993a5317b486a3e45e1bb6e9e3318.1701872051.git.cmo@melexis.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2023-11-16iio: temperature: Add MCP9600 thermocouple EMF converterAndrew Hepp1-0/+10
Add support for the MCP9600 thermocouple electromotive force converter. The sensor has integrated cold junction compensation and a typical accuracy of 0.5 degrees Celsius. The driver supports a resolution of 0.0625 degrees Celsius. Datasheet: https://ww1.microchip.com/downloads/en/DeviceDoc/MCP960X-Data-Sheet-20005426.pdf Signed-off-by: Andrew Hepp <andrew.hepp@ahepp.dev> Link: https://lore.kernel.org/r/20231025233153.5454-2-andrew.hepp@ahepp.dev Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2022-11-23iio: temperature: Add driver support for Maxim MAX30208Rajat Khandelwal1-0/+10
Maxim MAX30208 is a digital temperature sensor with 0.1°C accuracy. Add support for max30208 driver in iio subsystem. Datasheet: https://datasheets.maximintegrated.com/en/ds/MAX30208.pdf Signed-off-by: Rajat Khandelwal <rajat.khandelwal@linux.intel.com> Link: https://lore.kernel.org/r/20221122175300.800956-1-rajat.khandelwal@linux.intel.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-09-14iio: temperature: Add MAX31865 RTD SupportNavin Sankar Velliangiri1-0/+10
This patch adds support for Maxim MAX31865 RTD temperature sensor support. More information can be found in: https://datasheets.maximintegrated.com/en/ds/MAX31865.pdf Signed-off-by: Navin Sankar Velliangiri <navin@linumiz.com> Link: https://lore.kernel.org/r/20210824050123.71289-1-navin@linumiz.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-05-17iio: temperature: add driver support for ti tmp117Puranjay Mohan1-0/+10
TMP117 is a Digital temperature sensor with integrated Non-Volatile memory. Add support for tmp117 driver in iio subsystem. Datasheet: https://www.ti.com/lit/gpn/tmp117 Signed-off-by: Puranjay Mohan <puranjay12@gmail.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Lars-Peter Clausen <lars@metafoo.de> Link: https://lore.kernel.org/r/20210407182147.77221-3-puranjay12@gmail.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2021-05-10iio: hid-sensors: select IIO_TRIGGERED_BUFFER under HID_SENSOR_IIO_TRIGGERAlexandru Ardelean1-1/+0
During commit 067fda1c065ff ("iio: hid-sensors: move triggered buffer setup into hid_sensor_setup_trigger"), the iio_triggered_buffer_{setup,cleanup}() functions got moved under the hid-sensor-trigger module. The above change works fine, if any of the sensors get built. However, when only the common hid-sensor-trigger module gets built (and none of the drivers), then the IIO_TRIGGERED_BUFFER symbol isn't selected/enforced. Previously, each driver would enforce/select the IIO_TRIGGERED_BUFFER symbol. With this change the HID_SENSOR_IIO_TRIGGER (for the hid-sensor-trigger module) will enforce that IIO_TRIGGERED_BUFFER gets selected. All HID sensor drivers select the HID_SENSOR_IIO_TRIGGER symbol. So, this change removes the IIO_TRIGGERED_BUFFER enforcement from each driver. Fixes: 067fda1c065ff ("iio: hid-sensors: move triggered buffer setup into hid_sensor_setup_trigger") Reported-by: Thomas Deutschmann <whissi@gentoo.org> Cc: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Alexandru Ardelean <aardelean@deviqon.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Link: https://lore.kernel.org/r/20210414084955.260117-1-aardelean@deviqon.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2020-03-27iio: temperature: Add support for Azoteq IQS620AT temperature sensorJeff LaBundy1-0/+10
This patch adds support for the Azoteq IQS620AT temperature sensor, capable of reporting its absolute die temperature. Signed-off-by: Jeff LaBundy <jeff@labundy.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Lee Jones <lee.jones@linaro.org>
2019-10-22iio: temperature: Add support for LTC2983Nuno Sá1-0/+11
The LTC2983 is a Multi-Sensor High Accuracy Digital Temperature Measurement System. It measures a wide variety of temperature sensors and digitally outputs the result, in °C or °F, with 0.1°C accuracy and 0.001°C resolution. It can measure the temperature of all standard thermocouples (type B,E,J,K,N,S,R,T), standard 2-,3-,4-wire RTDs, thermistors and diodes. Signed-off-by: Nuno Sá <nuno.sa@analog.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-05-21treewide: Add SPDX license identifier - Makefile/KconfigThomas Gleixner1-0/+1
Add SPDX license identifiers to all Make/Kconfig files which: - Have no license information of any form These files fall under the project license, GPL v2 only. The resulting SPDX license identifier is: GPL-2.0-only Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-04-04iio:temperature: Add MAX31856 thermocouple supportParesh Chaudhary1-0/+10
This patch adds support for Maxim MAX31856 thermocouple temperature sensor support. More information can be found in: https://www.maximintegrated.com/en/ds/MAX31856.pdf NOTE: Driver support only Comparator Mode. Signed-off-by: Paresh Chaudhary <paresh.chaudhary@rockwellcollins.com> Signed-off-by: Matt Weber <matthew.weber@rockwellcollins.com> Signed-off-by: Patrick Havelange <patrick.havelange@essensium.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2019-04-04drivers: iio: Kconfig: pedantic cleanupEnrico Weigelt, metux IT consult1-8/+8
Formatting of Kconfig files doesn't look so pretty, so just take damp cloth and clean it up. Signed-off-by: Enrico Weigelt, metux IT consult <info@metux.net> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2018-02-04iio: temperature: Adding support for MLX90632Crt Mori1-0/+12
Melexis has just released Infra Red temperature sensor MLX90632 used for contact-less temperature measurement. Driver provides basic functionality for reporting object (and ambient) temperature with support for object emissivity. Signed-off-by: Crt Mori <cmo@melexis.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
2017-03-04iio: hid: Add temperature sensor supportSong Hongyan1-0/+14
Environmental temperature sensor is a hid defined sensor, it measures temperature. More information can be found in: http://www.usb.org/developers/hidpage/HUTRR39b.pdf According to IIO ABI definition, IIO_TEMP data output unit is milli degrees Celsius. Add the unit convert from degree to milli degree. Signed-off-by: Song Hongyan <hongyan.song@intel.com> Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2017-01-14iio:temperature: Add support for TI TMP007 sensorManivannan Sadhasivam1-0/+10
This patch adds support for TI TMP007 - 16 bit IR thermopile sensor with integrated Math engine. Sensor takes care of calculating the object temperature with the help of calibrated constants stored in non-volatile memory, thereby reducing the calculation overhead. Signed-off-by: Manivannan Sadhasivam <manivannanece23@gmail.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-08-21iio: temperature: add Kconfig selects for triggered bufferAlison Schofield1-0/+2
Select IIO_BUFFER and IIO_TRIGGERED_BUFFER to compile maxim_thermocouple. Signed-off-by: Alison Schofield <amsfield22@gmail.com> Cc: Daniel Baluta <daniel.baluta@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2016-07-10iio: temperature: add support for Maxim thermocouple chipsMatt Ranostay1-0/+14
Add initial driver support for MAX6675, and MAX31855 thermocouple chips. Cc: Marek Vasut <marex@denx.de> Cc: Matt Porter <mporter@konsulko.com> Signed-off-by: Matt Ranostay <mranostay@gmail.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-10-11Add tsys02d meas-spec driver supportLudovic Tancerel1-0/+11
Support for TSYS02D temperature sensor Signed-off-by: Ludovic Tancerel <ludovic.tancerel@maplehightech.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2015-10-04Add tsys01 meas-spec driver supportLudovic Tancerel1-0/+11
Support for TSYS01 temperature sensor Signed-off-by: Ludovic Tancerel <ludovic.tancerel@maplehightech.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2014-05-03iio: Add Melexis mlx90614 contact-less infrared temperature sensor driverPeter Meerwald1-0/+10
I2C-controlled sensor measures ambient and object temperatuer see http://www.melexis.com/Infrared-Thermometer-Sensors/Infrared-Thermometer-Sensors/MLX90614-615.aspx Signed-off-by: Peter Meerwald <pmeerw@pmeerw.net> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
2013-08-17iio: Add tmp006 IR temperature sensorPeter Meerwald1-0/+16
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>
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