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1Kernel driver bel-pfe2======================3 4Supported chips:5 6 * BEL PFE11007 8 Prefixes: 'pfe1100'9 10 Addresses scanned: -11 12 Datasheet: https://www.belfuse.com/resources/datasheets/powersolutions/ds-bps-pfe1100-12-054xa.pdf13 14 * BEL PFE300015 16 Prefixes: 'pfe3000'17 18 Addresses scanned: -19 20 Datasheet: https://www.belfuse.com/resources/datasheets/powersolutions/ds-bps-pfe3000-series.pdf21 22Author: Tao Ren <rentao.bupt@gmail.com>23 24 25Description26-----------27 28This driver supports hardware monitoring for below power supply devices29which support PMBus Protocol:30 31 * BEL PFE110032 33 1100 Watt AC to DC power-factor-corrected (PFC) power supply.34 PMBus Communication Manual is not publicly available.35 36 * BEL PFE300037 38 3000 Watt AC/DC power-factor-corrected (PFC) and DC-DC power supply.39 PMBus Communication Manual is not publicly available.40 41The driver is a client driver to the core PMBus driver. Please see42Documentation/hwmon/pmbus.rst for details on PMBus client drivers.43 44 45Usage Notes46-----------47 48This driver does not auto-detect devices. You will have to instantiate the49devices explicitly. Please see Documentation/i2c/instantiating-devices.rst for50details.51 52Example: the following will load the driver for an PFE3000 at address 0x2053on I2C bus #1::54 55 $ modprobe bel-pfe56 $ echo pfe3000 0x20 > /sys/bus/i2c/devices/i2c-1/new_device57 58 59Platform data support60---------------------61 62The driver supports standard PMBus driver platform data.63 64 65Sysfs entries66-------------67 68======================= =======================================================69curr1_label "iin"70curr1_input Measured input current71curr1_max Input current max value72curr1_max_alarm Input current max alarm73 74curr[2-3]_label "iout[1-2]"75curr[2-3]_input Measured output current76curr[2-3]_max Output current max value77curr[2-3]_max_alarm Output current max alarm78 79fan[1-2]_input Fan 1 and 2 speed in RPM80fan1_target Set fan speed reference for both fans81 82in1_label "vin"83in1_input Measured input voltage84in1_crit Input voltage critical max value85in1_crit_alarm Input voltage critical max alarm86in1_lcrit Input voltage critical min value87in1_lcrit_alarm Input voltage critical min alarm88in1_max Input voltage max value89in1_max_alarm Input voltage max alarm90 91in2_label "vcap"92in2_input Hold up capacitor voltage93 94in[3-8]_label "vout[1-3,5-7]"95in[3-8]_input Measured output voltage96in[3-4]_alarm vout[1-2] output voltage alarm97 98power[1-2]_label "pin[1-2]"99power[1-2]_input Measured input power100power[1-2]_alarm Input power high alarm101 102power[3-4]_label "pout[1-2]"103power[3-4]_input Measured output power104 105temp[1-3]_input Measured temperature106temp[1-3]_alarm Temperature alarm107======================= =======================================================108 109.. note::110 111 - curr3, fan2, vout[2-7], vcap, pin2, pout2 and temp3 attributes only112 exist for PFE3000.113