1*4882a593SmuzhiyunKernel driver bel-pfe 2*4882a593Smuzhiyun====================== 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunSupported chips: 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun * BEL PFE1100 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun Prefixes: 'pfe1100' 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun Addresses scanned: - 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun Datasheet: https://www.belfuse.com/resources/datasheets/powersolutions/ds-bps-pfe1100-12-054xa.pdf 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun * BEL PFE3000 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun Prefixes: 'pfe3000' 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun Addresses scanned: - 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun Datasheet: https://www.belfuse.com/resources/datasheets/powersolutions/ds-bps-pfe3000-series.pdf 21*4882a593Smuzhiyun 22*4882a593SmuzhiyunAuthor: Tao Ren <rentao.bupt@gmail.com> 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun 25*4882a593SmuzhiyunDescription 26*4882a593Smuzhiyun----------- 27*4882a593Smuzhiyun 28*4882a593SmuzhiyunThis driver supports hardware monitoring for below power supply devices 29*4882a593Smuzhiyunwhich support PMBus Protocol: 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun * BEL PFE1100 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun 1100 Watt AC to DC power-factor-corrected (PFC) power supply. 34*4882a593Smuzhiyun PMBus Communication Manual is not publicly available. 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun * BEL PFE3000 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun 3000 Watt AC/DC power-factor-corrected (PFC) and DC-DC power supply. 39*4882a593Smuzhiyun PMBus Communication Manual is not publicly available. 40*4882a593Smuzhiyun 41*4882a593SmuzhiyunThe driver is a client driver to the core PMBus driver. Please see 42*4882a593SmuzhiyunDocumentation/hwmon/pmbus.rst for details on PMBus client drivers. 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun 45*4882a593SmuzhiyunUsage Notes 46*4882a593Smuzhiyun----------- 47*4882a593Smuzhiyun 48*4882a593SmuzhiyunThis driver does not auto-detect devices. You will have to instantiate the 49*4882a593Smuzhiyundevices explicitly. Please see Documentation/i2c/instantiating-devices.rst for 50*4882a593Smuzhiyundetails. 51*4882a593Smuzhiyun 52*4882a593SmuzhiyunExample: the following will load the driver for an PFE3000 at address 0x20 53*4882a593Smuzhiyunon I2C bus #1:: 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun $ modprobe bel-pfe 56*4882a593Smuzhiyun $ echo pfe3000 0x20 > /sys/bus/i2c/devices/i2c-1/new_device 57*4882a593Smuzhiyun 58*4882a593Smuzhiyun 59*4882a593SmuzhiyunPlatform data support 60*4882a593Smuzhiyun--------------------- 61*4882a593Smuzhiyun 62*4882a593SmuzhiyunThe driver supports standard PMBus driver platform data. 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun 65*4882a593SmuzhiyunSysfs entries 66*4882a593Smuzhiyun------------- 67*4882a593Smuzhiyun 68*4882a593Smuzhiyun======================= ======================================================= 69*4882a593Smuzhiyuncurr1_label "iin" 70*4882a593Smuzhiyuncurr1_input Measured input current 71*4882a593Smuzhiyuncurr1_max Input current max value 72*4882a593Smuzhiyuncurr1_max_alarm Input current max alarm 73*4882a593Smuzhiyun 74*4882a593Smuzhiyuncurr[2-3]_label "iout[1-2]" 75*4882a593Smuzhiyuncurr[2-3]_input Measured output current 76*4882a593Smuzhiyuncurr[2-3]_max Output current max value 77*4882a593Smuzhiyuncurr[2-3]_max_alarm Output current max alarm 78*4882a593Smuzhiyun 79*4882a593Smuzhiyunfan[1-2]_input Fan 1 and 2 speed in RPM 80*4882a593Smuzhiyunfan1_target Set fan speed reference for both fans 81*4882a593Smuzhiyun 82*4882a593Smuzhiyunin1_label "vin" 83*4882a593Smuzhiyunin1_input Measured input voltage 84*4882a593Smuzhiyunin1_crit Input voltage critical max value 85*4882a593Smuzhiyunin1_crit_alarm Input voltage critical max alarm 86*4882a593Smuzhiyunin1_lcrit Input voltage critical min value 87*4882a593Smuzhiyunin1_lcrit_alarm Input voltage critical min alarm 88*4882a593Smuzhiyunin1_max Input voltage max value 89*4882a593Smuzhiyunin1_max_alarm Input voltage max alarm 90*4882a593Smuzhiyun 91*4882a593Smuzhiyunin2_label "vcap" 92*4882a593Smuzhiyunin2_input Hold up capacitor voltage 93*4882a593Smuzhiyun 94*4882a593Smuzhiyunin[3-8]_label "vout[1-3,5-7]" 95*4882a593Smuzhiyunin[3-8]_input Measured output voltage 96*4882a593Smuzhiyunin[3-4]_alarm vout[1-2] output voltage alarm 97*4882a593Smuzhiyun 98*4882a593Smuzhiyunpower[1-2]_label "pin[1-2]" 99*4882a593Smuzhiyunpower[1-2]_input Measured input power 100*4882a593Smuzhiyunpower[1-2]_alarm Input power high alarm 101*4882a593Smuzhiyun 102*4882a593Smuzhiyunpower[3-4]_label "pout[1-2]" 103*4882a593Smuzhiyunpower[3-4]_input Measured output power 104*4882a593Smuzhiyun 105*4882a593Smuzhiyuntemp[1-3]_input Measured temperature 106*4882a593Smuzhiyuntemp[1-3]_alarm Temperature alarm 107*4882a593Smuzhiyun======================= ======================================================= 108*4882a593Smuzhiyun 109*4882a593Smuzhiyun.. note:: 110*4882a593Smuzhiyun 111*4882a593Smuzhiyun - curr3, fan2, vout[2-7], vcap, pin2, pout2 and temp3 attributes only 112*4882a593Smuzhiyun exist for PFE3000. 113