Broadcom BCM54140 Quad SGMII/QSGMII PHY

Supported chips:

  • Broadcom BCM54140

    Datasheet: not public

Author: Michael Walle <michael@walle.cc>

Description

The Broadcom BCM54140 is a Quad SGMII/QSGMII PHY which supports monitoringits die temperature as well as two analog voltages.

The AVDDL is a 1.0V analogue voltage, the AVDDH is a 3.3V analogue voltage.Both voltages and the temperature are measured in a round-robin fashion.

Sysfs entries

The following attributes are supported.

in0_label“AVDDL”
in0_inputMeasured AVDDL voltage.
in0_minMinimum AVDDL voltage.
in0_maxMaximum AVDDL voltage.
in0_alarmAVDDL voltage alarm.
in1_label“AVDDH”
in1_inputMeasured AVDDH voltage.
in1_minMinimum AVDDH voltage.
in1_maxMaximum AVDDH voltage.
in1_alarmAVDDH voltage alarm.
temp1_inputDie temperature.
temp1_minMinimum die temperature.
temp1_maxMaximum die temperature.
temp1_alarmDie temperature alarm.