1 .. SPDX-License-Identifier: GPL-2.0-only 2 3 Broadcom BCM54140 Quad SGMII/QSGMII PHY 4 ======================================= 5 6 Supported chips: 7 8 * Broadcom BCM54140 9 10 Datasheet: not public 11 12 Author: Michael Walle <michael@walle.cc> 13 14 Description 15 ----------- 16 17 The Broadcom BCM54140 is a Quad SGMII/QSGMII PHY which supports monitoring 18 its die temperature as well as two analog voltages. 19 20 The AVDDL is a 1.0V analogue voltage, the AVDDH is a 3.3V analogue voltage. 21 Both voltages and the temperature are measured in a round-robin fashion. 22 23 Sysfs entries 24 ------------- 25 26 The following attributes are supported. 27 28 ======================= ======================================================== 29 in0_label "AVDDL" 30 in0_input Measured AVDDL voltage. 31 in0_min Minimum AVDDL voltage. 32 in0_max Maximum AVDDL voltage. 33 in0_alarm AVDDL voltage alarm. 34 35 in1_label "AVDDH" 36 in1_input Measured AVDDH voltage. 37 in1_min Minimum AVDDH voltage. 38 in1_max Maximum AVDDH voltage. 39 in1_alarm AVDDH voltage alarm. 40 41 temp1_input Die temperature. 42 temp1_min Minimum die temperature. 43 temp1_max Maximum die temperature. 44 temp1_alarm Die temperature alarm. 45 ======================= ========================================================
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