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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>
57 lines
1.7 KiB
ReStructuredText
57 lines
1.7 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0
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Kernel driver ltc2992
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=====================
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Supported chips:
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* Linear Technology LTC2992
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Prefix: 'ltc2992'
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Datasheet: https://www.analog.com/media/en/technical-documentation/data-sheets/ltc2992.pdf
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Author: Alexandru Tachici <alexandru.tachici@analog.com>
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Description
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-----------
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This driver supports hardware monitoring for Linear Technology LTC2992 power monitor.
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LTC2992 is a rail-to-rail system monitor that measures current,
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voltage, and power of two supplies.
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Two ADCs simultaneously measure each supply's current. A third ADC monitors
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the input voltages and four auxiliary external voltages.
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Sysfs entries
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-------------
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The following attributes are supported. Limits are read-write,
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all other attributes are read-only.
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in_reset_history Reset all highest/lowest values.
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inX_input Measured voltage.
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inX_lowest Minimum measured voltage.
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inX_highest Maximum measured voltage.
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inX_min Minimum voltage allowed.
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inX_max Maximum voltage allowed.
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inX_min_alarm An undervoltage occurred. Cleared on read.
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inX_max_alarm An overvoltage occurred. Cleared on read.
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currX_input Measured current.
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currX_lowest Minimum measured current.
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currX_highest Maximum measured current.
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currX_min Minimum current allowed.
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currX_max Maximum current allowed.
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currX_min_alarm An undercurrent occurred. Cleared on read.
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currX_max_alarm An overcurrent occurred. Cleared on read.
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powerX_input Measured power.
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powerX_input_lowest Minimum measured voltage.
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powerX_input_highest Maximum measured voltage.
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powerX_min Minimum power.
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powerX_max Maximum power.
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powerX_min_alarm An underpower occurred. Cleared on read.
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powerX_max_alarm An overpower occurred. Cleared on read.
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