46 lines · plain
1.. SPDX-License-Identifier: GPL-2.0-only2 3Broadcom BCM54140 Quad SGMII/QSGMII PHY4=======================================5 6Supported chips:7 8 * Broadcom BCM541409 10 Datasheet: not public11 12Author: Michael Walle <michael@walle.cc>13 14Description15-----------16 17The Broadcom BCM54140 is a Quad SGMII/QSGMII PHY which supports monitoring18its die temperature as well as two analog voltages.19 20The AVDDL is a 1.0V analogue voltage, the AVDDH is a 3.3V analogue voltage.21Both voltages and the temperature are measured in a round-robin fashion.22 23Sysfs entries24-------------25 26The following attributes are supported.27 28======================= ========================================================29in0_label "AVDDL"30in0_input Measured AVDDL voltage.31in0_min Minimum AVDDL voltage.32in0_max Maximum AVDDL voltage.33in0_alarm AVDDL voltage alarm.34 35in1_label "AVDDH"36in1_input Measured AVDDH voltage.37in1_min Minimum AVDDH voltage.38in1_max Maximum AVDDH voltage.39in1_alarm AVDDH voltage alarm.40 41temp1_input Die temperature.42temp1_min Minimum die temperature.43temp1_max Maximum die temperature.44temp1_alarm Die temperature alarm.45======================= ========================================================46