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Add basic monitoring support as well as port on/off control for Texas Instruments TPS23861 PoE PSE IC. Signed-off-by: Robert Marko <robert.marko@sartura.hr> Cc: Luka Perkov <luka.perkov@sartura.hr> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Link: https://lore.kernel.org/r/20210121134434.2782405-2-robert.marko@sartura.hr Signed-off-by: Guenter Roeck <linux@roeck-us.net>
42 lines
1.1 KiB
ReStructuredText
42 lines
1.1 KiB
ReStructuredText
.. SPDX-License-Identifier: GPL-2.0-only
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Kernel driver tps23861
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======================
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Supported chips:
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* Texas Instruments TPS23861
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Prefix: 'tps23861'
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Datasheet: https://www.ti.com/lit/gpn/tps23861
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Author: Robert Marko <robert.marko@sartura.hr>
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Description
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-----------
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This driver supports hardware monitoring for Texas Instruments TPS23861 PoE PSE.
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TPS23861 is a quad port IEEE802.3at PSE controller with optional I2C control
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and monitoring capabilities.
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TPS23861 offers three modes of operation: Auto, Semi-Auto and Manual.
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This driver only supports the Auto mode of operation providing monitoring
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as well as enabling/disabling the four ports.
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Sysfs entries
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-------------
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======================= =====================================================================
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in[0-3]_input Voltage on ports [1-4]
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in[0-3]_label "Port[1-4]"
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in4_input IC input voltage
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in4_label "Input"
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temp1_input IC die temperature
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temp1_label "Die"
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curr[1-4]_input Current on ports [1-4]
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in[1-4]_label "Port[1-4]"
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in[0-3]_enable Enable/disable ports [1-4]
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======================= =====================================================================
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