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* doc: iio: ad4695: update for calibration supportDavid Lechner2024-09-031-1/+6
| | | | | | | | | Calibration support has been added to the ad4695 driver, so update the documentation to reflect this. Signed-off-by: David Lechner <dlechner@baylibre.com> Link: https://patch.msgid.link/20240820-ad4695-gain-offset-v1-3-c8f6e3b47551@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* doc: iio: ad4695: document buffered readDavid Lechner2024-08-171-1/+8
| | | | | | | | | | | Update the ad4695 documentation to say that buffered reads are supported. Since there are 4 possible modes of reading conversion data, it is useful to know which one is actually being used, namely the advanced sequencer mode. Signed-off-by: David Lechner <dlechner@baylibre.com> Link: https://patch.msgid.link/20240813-iio-adc-ad4695-buffered-read-v2-2-9bb19fc1924b@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: ad7380: add support for single-ended partsJulien Stephan2024-08-031-0/+42
| | | | | | | | | | | | | The AD7380 family has some compatible single-ended chips: AD7386/7/8(-4). These single-ended chips have a 2:1 multiplexer in front of each ADC. They also include additional configuration registers that allow for either manual selection or automatic switching (sequencer mode), of the multiplexer inputs. Add a section to describe this. Signed-off-by: Julien Stephan <jstephan@baylibre.com> Reviewed-by: David Lechner <dlechner@baylibre.com> Link: https://patch.msgid.link/20240731-ad7380-add-single-ended-chips-v2-7-cd63bf05744c@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* Documentation: Add AD4000 documentationMarcelo Schmitt2024-08-032-0/+132
| | | | | | | | | Reviewed-by: David Lechner <dlechner@baylibre.com> Signed-off-by: Marcelo Schmitt <marcelo.schmitt@analog.com> Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Tested-by: David Lechner <dlechner@baylibre.com> Link: https://patch.msgid.link/aeee5fd9deccf85beadecf58c9b938b97a3aeba5.1720810545.git.marcelo.schmitt@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* Documentation: iio: Document ad4695 driverDavid Lechner2024-08-032-0/+156
| | | | | | | | | | The Analog Devices Inc. AD4695 (and similar chips) are complex ADCs that will benefit from a detailed driver documentation. This documents the current features supported by the driver. Signed-off-by: David Lechner <dlechner@baylibre.com> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: new docs for ad7380 driverJulien Stephan2024-08-032-0/+89
| | | | | | | | | | This adds a new page to document how to use the ad7380 ADC driver. Credit: this docs is based on ad7944 docs. Signed-off-by: Julien Stephan <jstephan@baylibre.com> Link: https://patch.msgid.link/20240709-ad7380-add-docs-v1-1-458ced3dfcc5@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: add documentation for adxl380 driverAntoniu Miclaus2024-08-032-0/+234
| | | | | | | | | | | Add documentation for adxl380 driver which describes the driver device files and shows how the user may use the ABI for various scenarios (configuration, measurement, etc.). Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com> Signed-off-by: Antoniu Miclaus <antoniu.miclaus@analog.com> Link: https://patch.msgid.link/20240708104114.29894-3-antoniu.miclaus@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* Documentation: iio: Document high-speed DMABUF based APIPaul Cercueil2024-06-302-0/+55
| | | | | | | | | | | Document the new DMABUF based API. Signed-off-by: Paul Cercueil <paul@crapouillou.net> Co-developed-by: Nuno Sa <nuno.sa@analog.com> Signed-off-by: Nuno Sa <nuno.sa@analog.com> Reviewed-by: Bagas Sanjaya <bagasdotme@gmail.com> Link: https://patch.msgid.link/20240620122726.41232-7-paul@crapouillou.net Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: add documentation for adis16480 driverRamona Gradinariu2024-06-082-0/+444
| | | | | | | | | | | Add documentation for adis16480 driver which describes the driver device files and shows how the user may use the ABI for various scenarios (configuration, measurement, etc.). Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com> Reviewed-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20240528142409.239187-7-ramona.gradinariu@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: add documentation for interfacing toolsRamona Gradinariu2024-06-043-21/+30
| | | | | | | | | | | Add documentation for IIO interfacing tools describing the available tools which can be used to retrieve data from IIO sysfs. Reference this documentation in adis16475.rst Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com> Reviewed-by: Nuno Sa <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20240528142409.239187-6-ramona.gradinariu@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: ad7944: add documentation for chain modeDavid Lechner2024-04-291-2/+28
| | | | | | | | | Add documentation for chain mode support that was recently added to the AD7944 ADC driver. Signed-off-by: David Lechner <dlechner@baylibre.com> Link: https://lore.kernel.org/r/20240425-iio-ad7944-chain-mode-v1-2-9d9220ff21e1@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: adis16475: fix device files tablesRamona Gradinariu2024-04-291-6/+2
| | | | | | | | | | | | Remove in_accel_calibbias_x and in_anglvel_calibbias_x device files description, as they do not exist and were added by mistake. Add correct naming for in_accel_y_calibbias and in_anglvel_y_calibbias device files and update their description. Fixes: 8243b2877eef ("docs: iio: add documentation for adis16475 driver") Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com> Link: https://lore.kernel.org/r/20240424094152.103667-2-ramona.gradinariu@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: new docs for ad7944 driverDavid Lechner2024-03-282-0/+131
| | | | | | | | This adds a new page to document how to use the ad7944 ADC driver. Signed-off-by: David Lechner <dlechner@baylibre.com> Link: https://lore.kernel.org/r/20240322-mainline-ad7944-doc-v2-2-0923d35d5596@baylibre.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: add documentation for adis16475 driverRamona Gradinariu2024-02-282-0/+408
| | | | | | | | | | Add documentation for adis16475 driver which describes the driver device files and shows how the user may use the ABI for various scenarios (configuration, measurement, etc.). Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com> Link: https://lore.kernel.org/r/20240221085848.991413-4-ramona.gradinariu@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: add documentation for device buffersRamona Gradinariu2024-02-282-0/+153
| | | | | | | | | | Add documentation for IIO device buffers describing buffer attributes and how data is structured in buffers using scan elements. Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com> Link: https://lore.kernel.org/r/20240221085848.991413-3-ramona.gradinariu@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: Refactor index.rstRamona Gradinariu2024-02-281-1/+6
| | | | | | | | | Refactor index.rst such that it contains a section for generic documentation and a section for Kernel Drivers documentation. Signed-off-by: Ramona Gradinariu <ramona.gradinariu@analog.com> Link: https://lore.kernel.org/r/20240221085848.991413-2-ramona.gradinariu@analog.com Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: add documentation for BNO055 driverAndrea Merello2022-09-212-0/+53
| | | | | | | | | | | | | | The bno055 driver is rather complex and have some oddities and not-obvious things that worth to document (e.g. calibration files). This patch also contains this [0] fix squashed in. [0] https://lore.kernel.org/lkml/20220704034041.15448-1-bagasdotme@gmail.com/ Signed-off-by: Andrea Merello <andrea.merello@iit.it> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20220907132205.28021-15-andrea.merello@iit.it Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: hrtimer: Allow sub Hz granularityGwendal Grignou2021-03-251-0/+1
| | | | | | | | | | | | | | | | | | | Allow setting frequency below 1Hz or sub 1Hz precision. Useful for slow sensors like ALS. Test frequency is set properly: modprobe iio-trig-hrtimer && \ mkdir /sys/kernel/config/iio/triggers/hrtimer/t1 && \ cd /sys/bus/iio/devices/triggerX ; for i in 1 .1 .01 .001 ; do echo $i > sampling_frequency cat sampling_frequency done Signed-off-by: Gwendal Grignou <gwendal@chromium.org> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20210226014733.2108544-1-gwendal@chromium.org Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: fix example formattingLuca Ceresoli2021-03-111-1/+1
| | | | | | | | | This line is part of the code snippet, so it has to be nested in order to be rendered correctly. Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> Link: https://lore.kernel.org/r/20210215143511.25471-2-luca@lucaceresoli.net Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* docs: iio: Correct a typoYanteng Si2021-01-211-1/+1
| | | | | | | | There are two EP9312, one of them should be 9315 Signed-off-by: Yanteng Si <siyanteng@loongson.cn> Link: https://lore.kernel.org/r/20210119030320.2860870-1-siyanteng@loongson.cn Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* Documentation: iio: fix a typoLars Poeschel2020-09-091-1/+1
| | | | | | | | | Rename function name to the actual name referenced in struct iio_sw_trigger_ops. Signed-off-by: Lars Poeschel <poeschel@lemonage.de> Link: https://lore.kernel.org/r/20200904091911.269715-1-poeschel@lemonage.de Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: filesystems: convert configfs.txt to ReSTMauro Carvalho Chehab2020-05-051-1/+1
| | | | | | | | | | | | | | | | | - Add a SPDX header; - Adjust document and section titles; - Use copyright symbol; - Some whitespace fixes and new line breaks; - Mark literal blocks as such; - Add it to filesystems/index.rst. Also, as this file is alone on its own dir, and it doesn't seem too likely that other documents will follow it, let's move it to the filesystems/ root documentation dir. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/c2424ec2ad4d735751434ff7f52144c44aa02d5a.1588021877.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* docs: add some documentation dirs to the driver-api bookMauro Carvalho Chehab2019-07-151-1/+1
| | | | | | | | Those are subsystem docs, with a mix of kABI and user-faced docs. While they're not split, keep the dirs where they are, adding just a pointer to the main index. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
* docs: iio: convert to ReSTMauro Carvalho Chehab2019-06-223-24/+55
| | | | | | | | | | | | Rename the iio documentation files to ReST, add an index for them and adjust in order to produce a nice html output via the Sphinx build system. At its new index.rst, let's add a :orphan: while this is not linked to the main index.rst file, in order to avoid build warnings. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: adc: New driver for Cirrus Logic EP93xx ADCAlexander Sverdlin2017-07-251-0/+29
| | | | | | | | | | New driver adding support for ADC found on Cirrus Logic EP93xx series of SoCs. Board specific code must take care to create plaform device with all necessary resources. Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com> Acked-by: Jonathan Cameron <jic23@kernel.org> Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
* iio: Documentation: Correct the path used to create triggers.Sandhya Bankar2016-10-011-2/+2
| | | | | | | | Correct the path used to create triggers. Signed-off-by: Sandhya Bankar <bankarsandhya512@gmail.com> Acked-by: Daniel Baluta <daniel.baluta@intel.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* iio: Documentation: Add IIO configfs documentationDaniel Baluta2015-12-031-0/+93
Signed-off-by: Daniel Baluta <daniel.baluta@intel.com> Acked-by: Crt Mori <cmo@melexis.com> Signed-off-by: Jonathan Cameron <jic23@kernel.org>
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