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.. SPDX-License-Identifier: GPL-2.0-only
Broadcom BCM54140 Quad SGMII/QSGMII PHY
=======================================
Supported chips:
* Broadcom BCM54140
Datasheet: not public
Author: Michael Walle <michael@walle.cc>
Description
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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
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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.
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