1*4882a593SmuzhiyunKernel driver ibm-cffps 2*4882a593Smuzhiyun======================= 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunSupported chips: 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun * IBM Common Form Factor power supply 7*4882a593Smuzhiyun 8*4882a593SmuzhiyunAuthor: Eddie James <eajames@us.ibm.com> 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunDescription 11*4882a593Smuzhiyun----------- 12*4882a593Smuzhiyun 13*4882a593SmuzhiyunThis driver supports IBM Common Form Factor (CFF) power supplies. This driver 14*4882a593Smuzhiyunis a client to the core PMBus driver. 15*4882a593Smuzhiyun 16*4882a593SmuzhiyunUsage Notes 17*4882a593Smuzhiyun----------- 18*4882a593Smuzhiyun 19*4882a593SmuzhiyunThis driver does not auto-detect devices. You will have to instantiate the 20*4882a593Smuzhiyundevices explicitly. Please see Documentation/i2c/instantiating-devices.rst for 21*4882a593Smuzhiyundetails. 22*4882a593Smuzhiyun 23*4882a593SmuzhiyunSysfs entries 24*4882a593Smuzhiyun------------- 25*4882a593Smuzhiyun 26*4882a593SmuzhiyunThe following attributes are supported: 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun======================= ====================================================== 29*4882a593Smuzhiyuncurr1_alarm Output current over-current alarm. 30*4882a593Smuzhiyuncurr1_input Measured output current in mA. 31*4882a593Smuzhiyuncurr1_label "iout1" 32*4882a593Smuzhiyun 33*4882a593Smuzhiyunfan1_alarm Fan 1 warning. 34*4882a593Smuzhiyunfan1_fault Fan 1 fault. 35*4882a593Smuzhiyunfan1_input Fan 1 speed in RPM. 36*4882a593Smuzhiyunfan2_alarm Fan 2 warning. 37*4882a593Smuzhiyunfan2_fault Fan 2 fault. 38*4882a593Smuzhiyunfan2_input Fan 2 speed in RPM. 39*4882a593Smuzhiyun 40*4882a593Smuzhiyunin1_alarm Input voltage under-voltage alarm. 41*4882a593Smuzhiyunin1_input Measured input voltage in mV. 42*4882a593Smuzhiyunin1_label "vin" 43*4882a593Smuzhiyunin2_alarm Output voltage over-voltage alarm. 44*4882a593Smuzhiyunin2_input Measured output voltage in mV. 45*4882a593Smuzhiyunin2_label "vout1" 46*4882a593Smuzhiyun 47*4882a593Smuzhiyunpower1_alarm Input fault or alarm. 48*4882a593Smuzhiyunpower1_input Measured input power in uW. 49*4882a593Smuzhiyunpower1_label "pin" 50*4882a593Smuzhiyun 51*4882a593Smuzhiyuntemp1_alarm PSU inlet ambient temperature over-temperature alarm. 52*4882a593Smuzhiyuntemp1_input Measured PSU inlet ambient temp in millidegrees C. 53*4882a593Smuzhiyuntemp2_alarm Secondary rectifier temp over-temperature alarm. 54*4882a593Smuzhiyuntemp2_input Measured secondary rectifier temp in millidegrees C. 55*4882a593Smuzhiyuntemp3_alarm ORing FET temperature over-temperature alarm. 56*4882a593Smuzhiyuntemp3_input Measured ORing FET temperature in millidegrees C. 57*4882a593Smuzhiyun======================= ====================================================== 58