1*61412ef1STao RenKernel driver bel-pfe 2*61412ef1STao Ren====================== 3*61412ef1STao Ren 4*61412ef1STao RenSupported chips: 5*61412ef1STao Ren 6*61412ef1STao Ren * BEL PFE1100 7*61412ef1STao Ren 8*61412ef1STao Ren Prefixes: 'pfe1100' 9*61412ef1STao Ren 10*61412ef1STao Ren Addresses scanned: - 11*61412ef1STao Ren 12*61412ef1STao Ren Datasheet: https://www.belfuse.com/resources/datasheets/powersolutions/ds-bps-pfe1100-12-054xa.pdf 13*61412ef1STao Ren 14*61412ef1STao Ren * BEL PFE3000 15*61412ef1STao Ren 16*61412ef1STao Ren Prefixes: 'pfe3000' 17*61412ef1STao Ren 18*61412ef1STao Ren Addresses scanned: - 19*61412ef1STao Ren 20*61412ef1STao Ren Datasheet: https://www.belfuse.com/resources/datasheets/powersolutions/ds-bps-pfe3000-series.pdf 21*61412ef1STao Ren 22*61412ef1STao RenAuthor: Tao Ren <rentao.bupt@gmail.com> 23*61412ef1STao Ren 24*61412ef1STao Ren 25*61412ef1STao RenDescription 26*61412ef1STao Ren----------- 27*61412ef1STao Ren 28*61412ef1STao RenThis driver supports hardware monitoring for below power supply devices 29*61412ef1STao Renwhich support PMBus Protocol: 30*61412ef1STao Ren 31*61412ef1STao Ren * BEL PFE1100 32*61412ef1STao Ren 33*61412ef1STao Ren 1100 Watt AC to DC power-factor-corrected (PFC) power supply. 34*61412ef1STao Ren PMBus Communication Manual is not publicly available. 35*61412ef1STao Ren 36*61412ef1STao Ren * BEL PFE3000 37*61412ef1STao Ren 38*61412ef1STao Ren 3000 Watt AC/DC power-factor-corrected (PFC) and DC-DC power supply. 39*61412ef1STao Ren PMBus Communication Manual is not publicly available. 40*61412ef1STao Ren 41*61412ef1STao RenThe driver is a client driver to the core PMBus driver. Please see 42*61412ef1STao RenDocumentation/hwmon/pmbus.rst for details on PMBus client drivers. 43*61412ef1STao Ren 44*61412ef1STao Ren 45*61412ef1STao RenUsage Notes 46*61412ef1STao Ren----------- 47*61412ef1STao Ren 48*61412ef1STao RenThis driver does not auto-detect devices. You will have to instantiate the 49*61412ef1STao Rendevices explicitly. Please see Documentation/i2c/instantiating-devices.rst for 50*61412ef1STao Rendetails. 51*61412ef1STao Ren 52*61412ef1STao RenExample: the following will load the driver for an PFE3000 at address 0x20 53*61412ef1STao Renon I2C bus #1:: 54*61412ef1STao Ren 55*61412ef1STao Ren $ modprobe bel-pfe 56*61412ef1STao Ren $ echo pfe3000 0x20 > /sys/bus/i2c/devices/i2c-1/new_device 57*61412ef1STao Ren 58*61412ef1STao Ren 59*61412ef1STao RenPlatform data support 60*61412ef1STao Ren--------------------- 61*61412ef1STao Ren 62*61412ef1STao RenThe driver supports standard PMBus driver platform data. 63*61412ef1STao Ren 64*61412ef1STao Ren 65*61412ef1STao RenSysfs entries 66*61412ef1STao Ren------------- 67*61412ef1STao Ren 68*61412ef1STao Ren======================= ======================================================= 69*61412ef1STao Rencurr1_label "iin" 70*61412ef1STao Rencurr1_input Measured input current 71*61412ef1STao Rencurr1_max Input current max value 72*61412ef1STao Rencurr1_max_alarm Input current max alarm 73*61412ef1STao Ren 74*61412ef1STao Rencurr[2-3]_label "iout[1-2]" 75*61412ef1STao Rencurr[2-3]_input Measured output current 76*61412ef1STao Rencurr[2-3]_max Output current max value 77*61412ef1STao Rencurr[2-3]_max_alarm Output current max alarm 78*61412ef1STao Ren 79*61412ef1STao Renfan[1-2]_input Fan 1 and 2 speed in RPM 80*61412ef1STao Renfan1_target Set fan speed reference for both fans 81*61412ef1STao Ren 82*61412ef1STao Renin1_label "vin" 83*61412ef1STao Renin1_input Measured input voltage 84*61412ef1STao Renin1_crit Input voltage critical max value 85*61412ef1STao Renin1_crit_alarm Input voltage critical max alarm 86*61412ef1STao Renin1_lcrit Input voltage critical min value 87*61412ef1STao Renin1_lcrit_alarm Input voltage critical min alarm 88*61412ef1STao Renin1_max Input voltage max value 89*61412ef1STao Renin1_max_alarm Input voltage max alarm 90*61412ef1STao Ren 91*61412ef1STao Renin2_label "vcap" 92*61412ef1STao Renin2_input Hold up capacitor voltage 93*61412ef1STao Ren 94*61412ef1STao Renin[3-8]_label "vout[1-3,5-7]" 95*61412ef1STao Renin[3-8]_input Measured output voltage 96*61412ef1STao Renin[3-4]_alarm vout[1-2] output voltage alarm 97*61412ef1STao Ren 98*61412ef1STao Renpower[1-2]_label "pin[1-2]" 99*61412ef1STao Renpower[1-2]_input Measured input power 100*61412ef1STao Renpower[1-2]_alarm Input power high alarm 101*61412ef1STao Ren 102*61412ef1STao Renpower[3-4]_label "pout[1-2]" 103*61412ef1STao Renpower[3-4]_input Measured output power 104*61412ef1STao Ren 105*61412ef1STao Rentemp[1-3]_input Measured temperature 106*61412ef1STao Rentemp[1-3]_alarm Temperature alarm 107*61412ef1STao Ren======================= ======================================================= 108*61412ef1STao Ren 109*61412ef1STao Ren.. note:: 110*61412ef1STao Ren 111*61412ef1STao Ren - curr3, fan2, vout[2-7], vcap, pin2, pout2 and temp3 attributes only 112*61412ef1STao Ren exist for PFE3000. 113