Kernel driver tps23861

Supported chips:

Author: Robert Marko <>


This driver supports hardware monitoring for Texas Instruments TPS23861 PoE PSE.

TPS23861 is a quad port IEEE802.3at PSE controller with optional I2C control and monitoring capabilities.

TPS23861 offers three modes of operation: Auto, Semi-Auto and Manual.

This driver only supports the Auto mode of operation providing monitoring as well as enabling/disabling the four ports.

Sysfs entries

in[0-3]_input Voltage on ports [1-4]
in[0-3]_label “Port[1-4]”
in4_input IC input voltage
in4_label “Input”
temp1_input IC die temperature
temp1_label “Die”
curr[1-4]_input Current on ports [1-4]
in[1-4]_label “Port[1-4]”
in[0-3]_enable Enable/disable ports [1-4]