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 monitoring its 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_input | Measured AVDDL voltage. |
| in0_min | Minimum AVDDL voltage. |
| in0_max | Maximum AVDDL voltage. |
| in0_alarm | AVDDL voltage alarm. |
| in1_label | “AVDDH” |
| in1_input | Measured AVDDH voltage. |
| in1_min | Minimum AVDDH voltage. |
| in1_max | Maximum AVDDH voltage. |
| in1_alarm | AVDDH voltage alarm. |
| temp1_input | Die temperature. |
| temp1_min | Minimum die temperature. |
| temp1_max | Maximum die temperature. |
| temp1_alarm | Die temperature alarm. |