1*4882a593SmuzhiyunKernel driver pxe1610 2*4882a593Smuzhiyun===================== 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunSupported chips: 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun * Infineon PXE1610 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun Prefix: 'pxe1610' 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun Addresses scanned: - 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun Datasheet: Datasheet is not publicly available. 13*4882a593Smuzhiyun 14*4882a593Smuzhiyun * Infineon PXE1110 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun Prefix: 'pxe1110' 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun Addresses scanned: - 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun Datasheet: Datasheet is not publicly available. 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun * Infineon PXM1310 23*4882a593Smuzhiyun 24*4882a593Smuzhiyun Prefix: 'pxm1310' 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun Addresses scanned: - 27*4882a593Smuzhiyun 28*4882a593Smuzhiyun Datasheet: Datasheet is not publicly available. 29*4882a593Smuzhiyun 30*4882a593SmuzhiyunAuthor: Vijay Khemka <vijaykhemka@fb.com> 31*4882a593Smuzhiyun 32*4882a593Smuzhiyun 33*4882a593SmuzhiyunDescription 34*4882a593Smuzhiyun----------- 35*4882a593Smuzhiyun 36*4882a593SmuzhiyunPXE1610/PXE1110 are Multi-rail/Multiphase Digital Controllers 37*4882a593Smuzhiyunand compliant to 38*4882a593Smuzhiyun 39*4882a593Smuzhiyun - Intel VR13 DC-DC converter specifications. 40*4882a593Smuzhiyun - Intel SVID protocol. 41*4882a593Smuzhiyun 42*4882a593SmuzhiyunUsed for Vcore power regulation for Intel VR13 based microprocessors 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun - Servers, Workstations, and High-end desktops 45*4882a593Smuzhiyun 46*4882a593SmuzhiyunPXM1310 is a Multi-rail Controller and it is compliant to 47*4882a593Smuzhiyun 48*4882a593Smuzhiyun - Intel VR13 DC-DC converter specifications. 49*4882a593Smuzhiyun - Intel SVID protocol. 50*4882a593Smuzhiyun 51*4882a593SmuzhiyunUsed for DDR3/DDR4 Memory power regulation for Intel VR13 and 52*4882a593SmuzhiyunIMVP8 based systems 53*4882a593Smuzhiyun 54*4882a593Smuzhiyun 55*4882a593SmuzhiyunUsage Notes 56*4882a593Smuzhiyun----------- 57*4882a593Smuzhiyun 58*4882a593SmuzhiyunThis driver does not probe for PMBus devices. You will have 59*4882a593Smuzhiyunto instantiate devices explicitly. 60*4882a593Smuzhiyun 61*4882a593SmuzhiyunExample: the following commands will load the driver for an PXE1610 62*4882a593Smuzhiyunat address 0x70 on I2C bus #4:: 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun # modprobe pxe1610 65*4882a593Smuzhiyun # echo pxe1610 0x70 > /sys/bus/i2c/devices/i2c-4/new_device 66*4882a593Smuzhiyun 67*4882a593SmuzhiyunIt can also be instantiated by declaring in device tree 68*4882a593Smuzhiyun 69*4882a593Smuzhiyun 70*4882a593SmuzhiyunSysfs attributes 71*4882a593Smuzhiyun---------------- 72*4882a593Smuzhiyun 73*4882a593Smuzhiyun====================== ==================================== 74*4882a593Smuzhiyuncurr1_label "iin" 75*4882a593Smuzhiyuncurr1_input Measured input current 76*4882a593Smuzhiyuncurr1_alarm Current high alarm 77*4882a593Smuzhiyun 78*4882a593Smuzhiyuncurr[2-4]_label "iout[1-3]" 79*4882a593Smuzhiyuncurr[2-4]_input Measured output current 80*4882a593Smuzhiyuncurr[2-4]_crit Critical maximum current 81*4882a593Smuzhiyuncurr[2-4]_crit_alarm Current critical high alarm 82*4882a593Smuzhiyun 83*4882a593Smuzhiyunin1_label "vin" 84*4882a593Smuzhiyunin1_input Measured input voltage 85*4882a593Smuzhiyunin1_crit Critical maximum input voltage 86*4882a593Smuzhiyunin1_crit_alarm Input voltage critical high alarm 87*4882a593Smuzhiyun 88*4882a593Smuzhiyunin[2-4]_label "vout[1-3]" 89*4882a593Smuzhiyunin[2-4]_input Measured output voltage 90*4882a593Smuzhiyunin[2-4]_lcrit Critical minimum output voltage 91*4882a593Smuzhiyunin[2-4]_lcrit_alarm Output voltage critical low alarm 92*4882a593Smuzhiyunin[2-4]_crit Critical maximum output voltage 93*4882a593Smuzhiyunin[2-4]_crit_alarm Output voltage critical high alarm 94*4882a593Smuzhiyun 95*4882a593Smuzhiyunpower1_label "pin" 96*4882a593Smuzhiyunpower1_input Measured input power 97*4882a593Smuzhiyunpower1_alarm Input power high alarm 98*4882a593Smuzhiyun 99*4882a593Smuzhiyunpower[2-4]_label "pout[1-3]" 100*4882a593Smuzhiyunpower[2-4]_input Measured output power 101*4882a593Smuzhiyun 102*4882a593Smuzhiyuntemp[1-3]_input Measured temperature 103*4882a593Smuzhiyuntemp[1-3]_crit Critical high temperature 104*4882a593Smuzhiyuntemp[1-3]_crit_alarm Chip temperature critical high alarm 105*4882a593Smuzhiyuntemp[1-3]_max Maximum temperature 106*4882a593Smuzhiyuntemp[1-3]_max_alarm Chip temperature high alarm 107*4882a593Smuzhiyun====================== ==================================== 108