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2020-01-23hwmon: (adm1177) Add ADM1177 Hot Swap Controller and Digital Power Monitor driverBeniamin Bia1-0/+1
ADM1177 is a Hot Swap Controller and Digital Power Monitor with Soft Start Pin. Datasheet: Link: https://www.analog.com/media/en/technical-documentation/data-sheets/ADM1177.pdf Signed-off-by: Beniamin Bia <beniamin.bia@analog.com> Link: https://lore.kernel.org/r/20200114112159.25998-1-beniamin.bia@analog.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-01-23docs: hwmon: Include 'xdpe12284.rst' into docsVadim Pasternak1-0/+1
Add documentation for 'xdpe122' devices. Signed-off-by: Vadim Pasternak <vadimp@mellanox.com> Link: https://lore.kernel.org/r/20200113150841.17670-7-vadimp@mellanox.com [groeck: Added to index.rst] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-01-23hwmon: Driver for disk and solid state drives with temperature sensorsGuenter Roeck1-0/+1
Reading the temperature of ATA drives has been supported for years by userspace tools such as smarttools or hddtemp. The downside of such tools is that they need to run with super-user privilege, that the temperatures are not reported by standard tools such as 'sensors' or 'libsensors', and that drive temperatures are not available for use in the kernel's thermal subsystem. This driver solves this problem by adding support for reading the temperature of ATA drives from the kernel using the hwmon API and by adding a temperature zone for each drive. With this driver, the hard disk temperature can be read using the unprivileged 'sensors' application: $ sensors drivetemp-scsi-1-0 drivetemp-scsi-1-0 Adapter: SCSI adapter temp1: +23.0°C or directly from sysfs: $ grep . /sys/class/hwmon/hwmon9/{name,temp1_input} /sys/class/hwmon/hwmon9/name:drivetemp /sys/class/hwmon/hwmon9/temp1_input:23000 If the drive supports SCT transport and reports temperature limits, those are reported as well. drivetemp-scsi-0-0 Adapter: SCSI adapter temp1: +27.0°C (low = +0.0°C, high = +60.0°C) (crit low = -41.0°C, crit = +85.0°C) (lowest = +23.0°C, highest = +34.0°C) The driver attempts to use SCT Command Transport to read the drive temperature. If the SCT Command Transport feature set is not available, or if it does not report the drive temperature, drive temperatures may be readable through SMART attributes. Since SMART attributes are not well defined, this method is only used as fallback mechanism. Cc: Chris Healy <cphealy@gmail.com> Cc: Linus Walleij <linus.walleij@linaro.org> Cc: Martin K. Petersen <martin.petersen@oracle.com> Cc: Bart Van Assche <bvanassche@acm.org> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Tested-by: Linus Walleij <linus.walleij@linaro.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-01-23hwmon: (pmbus) Driver for MAX20730, MAX20734, and MAX20743Guenter Roeck1-0/+1
Add support for Maxim MAX20730, MAX20734, MAX20743 Integrated, Step-Down Switching Regulators with PMBus support. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-01-23hwmon: Driver for MAX31730Guenter Roeck1-0/+1
MAX31730 is a 3-Channel Remote Temperature Sensor. Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-11-22dell-smm-hwmon: Add documentationGiovanni Mascellani1-0/+1
Part of the documentation is taken from the README of the userspace utils (https://github.com/vitorafsr/i8kutils). The license is GPL-2+ and the author Massimo Dal Zotto is already credited as author of the module. Therefore there should be no copyright problem. I also added a paragraph with specific information on the experimental support for automatic BIOS fan control. Signed-off-by: Giovanni Mascellani <gio@debian.org> Link: https://lore.kernel.org/r/20191122101519.1246458-2-gio@debian.org [groeck: Fixed some of the documentation warnings] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-11-21hwmon: Add driver for Texas Instruments TMP512/513 sensor chips.Eric Tremblay1-0/+1
TI's TMP512/513 are I2C/SMBus system monitor chips. These chips monitor the supply voltage, supply current, power consumption and provide one local and up to three (TMP513) remote temperature sensors. It has been tested using a TI TMP513 development kit (TMP513EVM) Signed-off-by: Eric Tremblay <etremblay@distech-controls.com> Link: https://lore.kernel.org/r/20191112223001.20844-3-etremblay@distech-controls.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-11-06docs: hwmon: Document bel-pfe pmbus driverTao Ren1-0/+1
Add documentation for bel-pfe pmbus driver which supports BEL PFE1100 and PFE3000 power supplies. Signed-off-by: Tao Ren <rentao.bupt@gmail.com> Link: https://lore.kernel.org/r/20191029182054.32279-3-rentao.bupt@gmail.com [groeck: Added bel-pfe to index.rst] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-11-06hwmon: Add support for ltc2947Nuno Sá1-0/+1
The ltc2947 is a high precision power and energy monitor with an internal sense resistor supporting up to +/- 30A. Three internal no Latency ADCs ensure accurate measurement of voltage and current, while high-bandwidth analog multiplication of voltage and current provides accurate power measurement in a wide range of applications. Internal or external clocking options enable precise charge and energy measurements. Signed-off-by: Nuno Sá <nuno.sa@analog.com> Link: https://lore.kernel.org/r/20191021154115.319073-1-nuno.sa@analog.com [groeck: Removed unnecessary checks when reading temperature and energy; PAGE{0,1} -> LTC2947_PAGE_{0,1}] Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-10-02docs: hwmon: Include 'inspur-ipsps1.rst' into docsAdam Zerella1-0/+1
When generating documentation output Sphinx outputs a warning for not including the page 'inspur-ipsps1.rst' in 'index.rst'. Assuming this documentation is useful it should be included in the index. Signed-off-by: Adam Zerella <adam.zerella@gmail.com> Link: https://lore.kernel.org/r/20190925131715.GB19073@gmail.com Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-09-03docs: hwmon: pxe1610: convert to ReST format and add to the indexMauro Carvalho Chehab1-0/+1
This document was recently introduced. Convert it to ReST just like the other hwmon documents, adding it to the hwmon index. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Link: https://lore.kernel.org/r/657bf022625e0888d3becf10c78d162eeb864608.1563792334.git.mchehab+samsung@kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-09-03hwmon: Remove ads1015 driverGuenter Roeck1-1/+0
A driver for ADS1015 with more functionality is available in the iio subsystem. Remove the hwmon driver as duplicate. If the chip is used for hardware monitoring, the iio->hwmon bridge should be used. Cc: Dirk Eibach <eibach@gdsys.de> Link: https://lore.kernel.org/r/1562004758-13025-1-git-send-email-linux@roeck-us.net Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-04-22docs: hwmon: remove the extension from .rst filesMauro Carvalho Chehab1-161/+161
On almost all places, we're including ReST files without the extension. Let's remove the extension here as well, in order to use just one standard. Suggested-by: Jani Nikula <jani.nikula@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-04-22docs: hwmon: convert three docs to ReST formatMauro Carvalho Chehab1-0/+3
Those three new drivers were missed on the initial conversion to ReST format. So: - Rename them to .rst; - Add them to the hwmon index.rst index; - add some blank lines at the "Supported systems:" part, in order to allow Sphinx to properly identify new lines, suppressing warnings and avoid it to output some random lines in bold; - When multiple authors are involved, change the authors part to a list, in order to avoid adding blank lines. - adjust the table cells (one of the tables seemed to be assuming that tab is 4 positions instead of 8) and add the table markup. - be sure that the section markups have the same number of characters as the section title. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2019-04-17docs: hwmon: Add an index file and rename docs to *.rstMauro Carvalho Chehab1-0/+179
Now that all files were converted to ReST format, rename them and add an index. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Signed-off-by: Guenter Roeck <linux@roeck-us.net>