1*4882a593Smuzhiyun.. SPDX-License-Identifier: GPL-2.0-only 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunBroadcom BCM54140 Quad SGMII/QSGMII PHY 4*4882a593Smuzhiyun======================================= 5*4882a593Smuzhiyun 6*4882a593SmuzhiyunSupported chips: 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun * Broadcom BCM54140 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun Datasheet: not public 11*4882a593Smuzhiyun 12*4882a593SmuzhiyunAuthor: Michael Walle <michael@walle.cc> 13*4882a593Smuzhiyun 14*4882a593SmuzhiyunDescription 15*4882a593Smuzhiyun----------- 16*4882a593Smuzhiyun 17*4882a593SmuzhiyunThe Broadcom BCM54140 is a Quad SGMII/QSGMII PHY which supports monitoring 18*4882a593Smuzhiyunits die temperature as well as two analog voltages. 19*4882a593Smuzhiyun 20*4882a593SmuzhiyunThe AVDDL is a 1.0V analogue voltage, the AVDDH is a 3.3V analogue voltage. 21*4882a593SmuzhiyunBoth voltages and the temperature are measured in a round-robin fashion. 22*4882a593Smuzhiyun 23*4882a593SmuzhiyunSysfs entries 24*4882a593Smuzhiyun------------- 25*4882a593Smuzhiyun 26*4882a593SmuzhiyunThe following attributes are supported. 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun======================= ======================================================== 29*4882a593Smuzhiyunin0_label "AVDDL" 30*4882a593Smuzhiyunin0_input Measured AVDDL voltage. 31*4882a593Smuzhiyunin0_min Minimum AVDDL voltage. 32*4882a593Smuzhiyunin0_max Maximum AVDDL voltage. 33*4882a593Smuzhiyunin0_alarm AVDDL voltage alarm. 34*4882a593Smuzhiyun 35*4882a593Smuzhiyunin1_label "AVDDH" 36*4882a593Smuzhiyunin1_input Measured AVDDH voltage. 37*4882a593Smuzhiyunin1_min Minimum AVDDH voltage. 38*4882a593Smuzhiyunin1_max Maximum AVDDH voltage. 39*4882a593Smuzhiyunin1_alarm AVDDH voltage alarm. 40*4882a593Smuzhiyun 41*4882a593Smuzhiyuntemp1_input Die temperature. 42*4882a593Smuzhiyuntemp1_min Minimum die temperature. 43*4882a593Smuzhiyuntemp1_max Maximum die temperature. 44*4882a593Smuzhiyuntemp1_alarm Die temperature alarm. 45*4882a593Smuzhiyun======================= ======================================================== 46