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WSL2-Linux-Kernel/Documentation/hwmon/ltc2992.rst

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hwmon: (ltc2992) Add support LTC2992 is a rail-to-rail system monitor that measures current, voltage, and power of two supplies. Two ADCs simultaneously measure each supply’s current. A third ADC monitors the input voltages and four auxiliary external voltages. Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-12-03 10:11:53 +03:00
.. SPDX-License-Identifier: GPL-2.0
Kernel driver ltc2992
=====================
Supported chips:
* Linear Technology LTC2992
Prefix: 'ltc2992'
Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ltc2992.pdf
Author: Alexandru Tachici <alexandru.tachici@analog.com>
Description
-----------
This driver supports hardware monitoring for Linear Technology LTC2992 power monitor.
LTC2992 is a rail-to-rail system monitor that measures current,
voltage, and power of two supplies.
docs: hwmon: avoid using UTF-8 chars While UTF-8 characters can be used at the Linux documentation, the best is to use them only when ASCII doesn't offer a good replacement. So, replace the occurences of the following UTF-8 characters: - U+2010 ('‐'): HYPHEN - U+2013 ('–'): EN DASH - U+2019 ('’'): RIGHT SINGLE QUOTATION MARK Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Link: https://lore.kernel.org/r/ccdd1bf45963a7748188a97c75f667b37bd43d2f.1620641727.git.mchehab+huawei@kernel.org Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2021-05-10 13:26:17 +03:00
Two ADCs simultaneously measure each supply's current. A third ADC monitors
hwmon: (ltc2992) Add support LTC2992 is a rail-to-rail system monitor that measures current, voltage, and power of two supplies. Two ADCs simultaneously measure each supply’s current. A third ADC monitors the input voltages and four auxiliary external voltages. Signed-off-by: Alexandru Tachici <alexandru.tachici@analog.com> Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2020-12-03 10:11:53 +03:00
the input voltages and four auxiliary external voltages.
Sysfs entries
-------------
The following attributes are supported. Limits are read-write,
all other attributes are read-only.
in_reset_history Reset all highest/lowest values.
inX_input Measured voltage.
inX_lowest Minimum measured voltage.
inX_highest Maximum measured voltage.
inX_min Minimum voltage allowed.
inX_max Maximum voltage allowed.
inX_min_alarm An undervoltage occurred. Cleared on read.
inX_max_alarm An overvoltage occurred. Cleared on read.
currX_input Measured current.
currX_lowest Minimum measured current.
currX_highest Maximum measured current.
currX_min Minimum current allowed.
currX_max Maximum current allowed.
currX_min_alarm An undercurrent occurred. Cleared on read.
currX_max_alarm An overcurrent occurred. Cleared on read.
powerX_input Measured power.
powerX_input_lowest Minimum measured voltage.
powerX_input_highest Maximum measured voltage.
powerX_min Minimum power.
powerX_max Maximum power.
powerX_min_alarm An underpower occurred. Cleared on read.
powerX_max_alarm An overpower occurred. Cleared on read.