.. SPDX-License-Identifier: GPL-2.0-only Broadcom BCM54140 Quad SGMII/QSGMII PHY ======================================= Supported chips: * Broadcom BCM54140 Datasheet: not public Author: Michael Walle 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. ======================= ========================================================