1*7ebd8b66SMauro Carvalho ChehabKernel driver ltc2978 2*7ebd8b66SMauro Carvalho Chehab===================== 3*7ebd8b66SMauro Carvalho Chehab 4*7ebd8b66SMauro Carvalho ChehabSupported chips: 5*7ebd8b66SMauro Carvalho Chehab 6*7ebd8b66SMauro Carvalho Chehab * Linear Technology LTC2974 7*7ebd8b66SMauro Carvalho Chehab 8*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltc2974' 9*7ebd8b66SMauro Carvalho Chehab 10*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 11*7ebd8b66SMauro Carvalho Chehab 12*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.linear.com/product/ltc2974 13*7ebd8b66SMauro Carvalho Chehab 14*7ebd8b66SMauro Carvalho Chehab * Linear Technology LTC2975 15*7ebd8b66SMauro Carvalho Chehab 16*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltc2975' 17*7ebd8b66SMauro Carvalho Chehab 18*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 19*7ebd8b66SMauro Carvalho Chehab 20*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.linear.com/product/ltc2975 21*7ebd8b66SMauro Carvalho Chehab 22*7ebd8b66SMauro Carvalho Chehab * Linear Technology LTC2977 23*7ebd8b66SMauro Carvalho Chehab 24*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltc2977' 25*7ebd8b66SMauro Carvalho Chehab 26*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 27*7ebd8b66SMauro Carvalho Chehab 28*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.linear.com/product/ltc2977 29*7ebd8b66SMauro Carvalho Chehab 30*7ebd8b66SMauro Carvalho Chehab * Linear Technology LTC2978, LTC2978A 31*7ebd8b66SMauro Carvalho Chehab 32*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltc2978' 33*7ebd8b66SMauro Carvalho Chehab 34*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 35*7ebd8b66SMauro Carvalho Chehab 36*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.linear.com/product/ltc2978 37*7ebd8b66SMauro Carvalho Chehab 38*7ebd8b66SMauro Carvalho Chehab http://www.linear.com/product/ltc2978a 39*7ebd8b66SMauro Carvalho Chehab 40*7ebd8b66SMauro Carvalho Chehab * Linear Technology LTC2980 41*7ebd8b66SMauro Carvalho Chehab 42*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltc2980' 43*7ebd8b66SMauro Carvalho Chehab 44*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 45*7ebd8b66SMauro Carvalho Chehab 46*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.linear.com/product/ltc2980 47*7ebd8b66SMauro Carvalho Chehab 48*7ebd8b66SMauro Carvalho Chehab * Linear Technology LTC3880 49*7ebd8b66SMauro Carvalho Chehab 50*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltc3880' 51*7ebd8b66SMauro Carvalho Chehab 52*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 53*7ebd8b66SMauro Carvalho Chehab 54*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.linear.com/product/ltc3880 55*7ebd8b66SMauro Carvalho Chehab 56*7ebd8b66SMauro Carvalho Chehab * Linear Technology LTC3882 57*7ebd8b66SMauro Carvalho Chehab 58*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltc3882' 59*7ebd8b66SMauro Carvalho Chehab 60*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 61*7ebd8b66SMauro Carvalho Chehab 62*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.linear.com/product/ltc3882 63*7ebd8b66SMauro Carvalho Chehab 64*7ebd8b66SMauro Carvalho Chehab * Linear Technology LTC3883 65*7ebd8b66SMauro Carvalho Chehab 66*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltc3883' 67*7ebd8b66SMauro Carvalho Chehab 68*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 69*7ebd8b66SMauro Carvalho Chehab 70*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.linear.com/product/ltc3883 71*7ebd8b66SMauro Carvalho Chehab 72*7ebd8b66SMauro Carvalho Chehab * Linear Technology LTC3886 73*7ebd8b66SMauro Carvalho Chehab 74*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltc3886' 75*7ebd8b66SMauro Carvalho Chehab 76*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 77*7ebd8b66SMauro Carvalho Chehab 78*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.linear.com/product/ltc3886 79*7ebd8b66SMauro Carvalho Chehab 80*7ebd8b66SMauro Carvalho Chehab * Linear Technology LTC3887 81*7ebd8b66SMauro Carvalho Chehab 82*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltc3887' 83*7ebd8b66SMauro Carvalho Chehab 84*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 85*7ebd8b66SMauro Carvalho Chehab 86*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.linear.com/product/ltc3887 87*7ebd8b66SMauro Carvalho Chehab 88*7ebd8b66SMauro Carvalho Chehab * Linear Technology LTM2987 89*7ebd8b66SMauro Carvalho Chehab 90*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltm2987' 91*7ebd8b66SMauro Carvalho Chehab 92*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 93*7ebd8b66SMauro Carvalho Chehab 94*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.linear.com/product/ltm2987 95*7ebd8b66SMauro Carvalho Chehab 96*7ebd8b66SMauro Carvalho Chehab * Linear Technology LTM4675 97*7ebd8b66SMauro Carvalho Chehab 98*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltm4675' 99*7ebd8b66SMauro Carvalho Chehab 100*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 101*7ebd8b66SMauro Carvalho Chehab 102*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.linear.com/product/ltm4675 103*7ebd8b66SMauro Carvalho Chehab 104*7ebd8b66SMauro Carvalho Chehab * Linear Technology LTM4676 105*7ebd8b66SMauro Carvalho Chehab 106*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltm4676' 107*7ebd8b66SMauro Carvalho Chehab 108*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 109*7ebd8b66SMauro Carvalho Chehab 110*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.linear.com/product/ltm4676 111*7ebd8b66SMauro Carvalho Chehab 112*7ebd8b66SMauro Carvalho Chehab * Analog Devices LTM4686 113*7ebd8b66SMauro Carvalho Chehab 114*7ebd8b66SMauro Carvalho Chehab Prefix: 'ltm4686' 115*7ebd8b66SMauro Carvalho Chehab 116*7ebd8b66SMauro Carvalho Chehab Addresses scanned: - 117*7ebd8b66SMauro Carvalho Chehab 118*7ebd8b66SMauro Carvalho Chehab Datasheet: http://www.analog.com/ltm4686 119*7ebd8b66SMauro Carvalho Chehab 120*7ebd8b66SMauro Carvalho Chehab 121*7ebd8b66SMauro Carvalho ChehabAuthor: Guenter Roeck <linux@roeck-us.net> 122*7ebd8b66SMauro Carvalho Chehab 123*7ebd8b66SMauro Carvalho Chehab 124*7ebd8b66SMauro Carvalho ChehabDescription 125*7ebd8b66SMauro Carvalho Chehab----------- 126*7ebd8b66SMauro Carvalho Chehab 127*7ebd8b66SMauro Carvalho Chehab- LTC2974 and LTC2975 are quad digital power supply managers. 128*7ebd8b66SMauro Carvalho Chehab- LTC2978 is an octal power supply monitor. 129*7ebd8b66SMauro Carvalho Chehab- LTC2977 is a pin compatible replacement for LTC2978. 130*7ebd8b66SMauro Carvalho Chehab- LTC2980 is a 16-channel Power System Manager, consisting of two LTC2977 131*7ebd8b66SMauro Carvalho Chehab- in a single die. The chip is instantiated and reported as two separate chips 132*7ebd8b66SMauro Carvalho Chehab- on two different I2C bus addresses. 133*7ebd8b66SMauro Carvalho Chehab- LTC3880, LTC3882, LTC3886, and LTC3887 are dual output poly-phase step-down 134*7ebd8b66SMauro Carvalho Chehab- DC/DC controllers. 135*7ebd8b66SMauro Carvalho Chehab- LTC3883 is a single phase step-down DC/DC controller. 136*7ebd8b66SMauro Carvalho Chehab- LTM2987 is a 16-channel Power System Manager with two LTC2977 plus 137*7ebd8b66SMauro Carvalho Chehab- additional components on a single die. The chip is instantiated and reported 138*7ebd8b66SMauro Carvalho Chehab- as two separate chips on two different I2C bus addresses. 139*7ebd8b66SMauro Carvalho Chehab- LTM4675 is a dual 9A or single 18A μModule regulator 140*7ebd8b66SMauro Carvalho Chehab- LTM4676 is a dual 13A or single 26A uModule regulator. 141*7ebd8b66SMauro Carvalho Chehab- LTM4686 is a dual 10A or single 20A uModule regulator. 142*7ebd8b66SMauro Carvalho Chehab 143*7ebd8b66SMauro Carvalho Chehab 144*7ebd8b66SMauro Carvalho ChehabUsage Notes 145*7ebd8b66SMauro Carvalho Chehab----------- 146*7ebd8b66SMauro Carvalho Chehab 147*7ebd8b66SMauro Carvalho ChehabThis driver does not probe for PMBus devices. You will have to instantiate 148*7ebd8b66SMauro Carvalho Chehabdevices explicitly. 149*7ebd8b66SMauro Carvalho Chehab 150*7ebd8b66SMauro Carvalho ChehabExample: the following commands will load the driver for an LTC2978 at address 151*7ebd8b66SMauro Carvalho Chehab0x60 on I2C bus #1:: 152*7ebd8b66SMauro Carvalho Chehab 153*7ebd8b66SMauro Carvalho Chehab # modprobe ltc2978 154*7ebd8b66SMauro Carvalho Chehab # echo ltc2978 0x60 > /sys/bus/i2c/devices/i2c-1/new_device 155*7ebd8b66SMauro Carvalho Chehab 156*7ebd8b66SMauro Carvalho Chehab 157*7ebd8b66SMauro Carvalho ChehabSysfs attributes 158*7ebd8b66SMauro Carvalho Chehab---------------- 159*7ebd8b66SMauro Carvalho Chehab 160*7ebd8b66SMauro Carvalho Chehab======================= ======================================================== 161*7ebd8b66SMauro Carvalho Chehabin1_label "vin" 162*7ebd8b66SMauro Carvalho Chehab 163*7ebd8b66SMauro Carvalho Chehabin1_input Measured input voltage. 164*7ebd8b66SMauro Carvalho Chehab 165*7ebd8b66SMauro Carvalho Chehabin1_min Minimum input voltage. 166*7ebd8b66SMauro Carvalho Chehab 167*7ebd8b66SMauro Carvalho Chehabin1_max Maximum input voltage. 168*7ebd8b66SMauro Carvalho Chehab 169*7ebd8b66SMauro Carvalho Chehab LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and 170*7ebd8b66SMauro Carvalho Chehab LTM2987 only. 171*7ebd8b66SMauro Carvalho Chehab 172*7ebd8b66SMauro Carvalho Chehabin1_lcrit Critical minimum input voltage. 173*7ebd8b66SMauro Carvalho Chehab 174*7ebd8b66SMauro Carvalho Chehab LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and 175*7ebd8b66SMauro Carvalho Chehab LTM2987 only. 176*7ebd8b66SMauro Carvalho Chehab 177*7ebd8b66SMauro Carvalho Chehabin1_crit Critical maximum input voltage. 178*7ebd8b66SMauro Carvalho Chehab 179*7ebd8b66SMauro Carvalho Chehabin1_min_alarm Input voltage low alarm. 180*7ebd8b66SMauro Carvalho Chehab 181*7ebd8b66SMauro Carvalho Chehabin1_max_alarm Input voltage high alarm. 182*7ebd8b66SMauro Carvalho Chehab 183*7ebd8b66SMauro Carvalho Chehab LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and 184*7ebd8b66SMauro Carvalho Chehab LTM2987 only. 185*7ebd8b66SMauro Carvalho Chehabin1_lcrit_alarm Input voltage critical low alarm. 186*7ebd8b66SMauro Carvalho Chehab 187*7ebd8b66SMauro Carvalho Chehab LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and 188*7ebd8b66SMauro Carvalho Chehab LTM2987 only. 189*7ebd8b66SMauro Carvalho Chehabin1_crit_alarm Input voltage critical high alarm. 190*7ebd8b66SMauro Carvalho Chehab 191*7ebd8b66SMauro Carvalho Chehabin1_lowest Lowest input voltage. 192*7ebd8b66SMauro Carvalho Chehab 193*7ebd8b66SMauro Carvalho Chehab LTC2974, LTC2975, LTC2977, LTC2980, LTC2978, and 194*7ebd8b66SMauro Carvalho Chehab LTM2987 only. 195*7ebd8b66SMauro Carvalho Chehabin1_highest Highest input voltage. 196*7ebd8b66SMauro Carvalho Chehab 197*7ebd8b66SMauro Carvalho Chehabin1_reset_history Reset input voltage history. 198*7ebd8b66SMauro Carvalho Chehab 199*7ebd8b66SMauro Carvalho Chehabin[N]_label "vout[1-8]". 200*7ebd8b66SMauro Carvalho Chehab 201*7ebd8b66SMauro Carvalho Chehab - LTC2974, LTC2975: N=2-5 202*7ebd8b66SMauro Carvalho Chehab - LTC2977, LTC2980, LTM2987: N=2-9 203*7ebd8b66SMauro Carvalho Chehab - LTC2978: N=2-9 204*7ebd8b66SMauro Carvalho Chehab - LTC3880, LTC3882, LTC23886 LTC3887, LTM4675, LTM4676: 205*7ebd8b66SMauro Carvalho Chehab N=2-3 206*7ebd8b66SMauro Carvalho Chehab - LTC3883: N=2 207*7ebd8b66SMauro Carvalho Chehab 208*7ebd8b66SMauro Carvalho Chehabin[N]_input Measured output voltage. 209*7ebd8b66SMauro Carvalho Chehab 210*7ebd8b66SMauro Carvalho Chehabin[N]_min Minimum output voltage. 211*7ebd8b66SMauro Carvalho Chehab 212*7ebd8b66SMauro Carvalho Chehabin[N]_max Maximum output voltage. 213*7ebd8b66SMauro Carvalho Chehab 214*7ebd8b66SMauro Carvalho Chehabin[N]_lcrit Critical minimum output voltage. 215*7ebd8b66SMauro Carvalho Chehab 216*7ebd8b66SMauro Carvalho Chehabin[N]_crit Critical maximum output voltage. 217*7ebd8b66SMauro Carvalho Chehab 218*7ebd8b66SMauro Carvalho Chehabin[N]_min_alarm Output voltage low alarm. 219*7ebd8b66SMauro Carvalho Chehab 220*7ebd8b66SMauro Carvalho Chehabin[N]_max_alarm Output voltage high alarm. 221*7ebd8b66SMauro Carvalho Chehab 222*7ebd8b66SMauro Carvalho Chehabin[N]_lcrit_alarm Output voltage critical low alarm. 223*7ebd8b66SMauro Carvalho Chehab 224*7ebd8b66SMauro Carvalho Chehabin[N]_crit_alarm Output voltage critical high alarm. 225*7ebd8b66SMauro Carvalho Chehab 226*7ebd8b66SMauro Carvalho Chehabin[N]_lowest Lowest output voltage. 227*7ebd8b66SMauro Carvalho Chehab 228*7ebd8b66SMauro Carvalho Chehab 229*7ebd8b66SMauro Carvalho Chehab LTC2974, LTC2975,and LTC2978 only. 230*7ebd8b66SMauro Carvalho Chehab 231*7ebd8b66SMauro Carvalho Chehabin[N]_highest Highest output voltage. 232*7ebd8b66SMauro Carvalho Chehab 233*7ebd8b66SMauro Carvalho Chehabin[N]_reset_history Reset output voltage history. 234*7ebd8b66SMauro Carvalho Chehab 235*7ebd8b66SMauro Carvalho Chehabtemp[N]_input Measured temperature. 236*7ebd8b66SMauro Carvalho Chehab 237*7ebd8b66SMauro Carvalho Chehab - On LTC2974 and LTC2975, temp[1-4] report external 238*7ebd8b66SMauro Carvalho Chehab temperatures, and temp5 reports the chip temperature. 239*7ebd8b66SMauro Carvalho Chehab - On LTC2977, LTC2980, LTC2978, and LTM2987, only one 240*7ebd8b66SMauro Carvalho Chehab temperature measurement is supported and reports 241*7ebd8b66SMauro Carvalho Chehab the chip temperature. 242*7ebd8b66SMauro Carvalho Chehab - On LTC3880, LTC3882, LTC3887, LTM4675, and LTM4676, 243*7ebd8b66SMauro Carvalho Chehab temp1 and temp2 report external temperatures, and 244*7ebd8b66SMauro Carvalho Chehab temp3 reports the chip temperature. 245*7ebd8b66SMauro Carvalho Chehab - On LTC3883, temp1 reports an external temperature, 246*7ebd8b66SMauro Carvalho Chehab and temp2 reports the chip temperature. 247*7ebd8b66SMauro Carvalho Chehab 248*7ebd8b66SMauro Carvalho Chehabtemp[N]_min Mimimum temperature. 249*7ebd8b66SMauro Carvalho Chehab 250*7ebd8b66SMauro Carvalho Chehab LTC2974, LCT2977, LTM2980, LTC2978, and LTM2987 only. 251*7ebd8b66SMauro Carvalho Chehab 252*7ebd8b66SMauro Carvalho Chehabtemp[N]_max Maximum temperature. 253*7ebd8b66SMauro Carvalho Chehab 254*7ebd8b66SMauro Carvalho Chehabtemp[N]_lcrit Critical low temperature. 255*7ebd8b66SMauro Carvalho Chehab 256*7ebd8b66SMauro Carvalho Chehabtemp[N]_crit Critical high temperature. 257*7ebd8b66SMauro Carvalho Chehab 258*7ebd8b66SMauro Carvalho Chehabtemp[N]_min_alarm Temperature low alarm. 259*7ebd8b66SMauro Carvalho Chehab 260*7ebd8b66SMauro Carvalho Chehab LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, and 261*7ebd8b66SMauro Carvalho Chehab LTM2987 only. 262*7ebd8b66SMauro Carvalho Chehab 263*7ebd8b66SMauro Carvalho Chehabtemp[N]_max_alarm Temperature high alarm. 264*7ebd8b66SMauro Carvalho Chehab 265*7ebd8b66SMauro Carvalho Chehab 266*7ebd8b66SMauro Carvalho Chehabtemp[N]_lcrit_alarm Temperature critical low alarm. 267*7ebd8b66SMauro Carvalho Chehab 268*7ebd8b66SMauro Carvalho Chehabtemp[N]_crit_alarm Temperature critical high alarm. 269*7ebd8b66SMauro Carvalho Chehab 270*7ebd8b66SMauro Carvalho Chehabtemp[N]_lowest Lowest measured temperature. 271*7ebd8b66SMauro Carvalho Chehab 272*7ebd8b66SMauro Carvalho Chehab - LTC2974, LTC2975, LTC2977, LTM2980, LTC2978, and 273*7ebd8b66SMauro Carvalho Chehab LTM2987 only. 274*7ebd8b66SMauro Carvalho Chehab - Not supported for chip temperature sensor on LTC2974 275*7ebd8b66SMauro Carvalho Chehab and LTC2975. 276*7ebd8b66SMauro Carvalho Chehab 277*7ebd8b66SMauro Carvalho Chehabtemp[N]_highest Highest measured temperature. 278*7ebd8b66SMauro Carvalho Chehab 279*7ebd8b66SMauro Carvalho Chehab Not supported for chip temperature sensor on 280*7ebd8b66SMauro Carvalho Chehab LTC2974 and LTC2975. 281*7ebd8b66SMauro Carvalho Chehab 282*7ebd8b66SMauro Carvalho Chehabtemp[N]_reset_history Reset temperature history. 283*7ebd8b66SMauro Carvalho Chehab 284*7ebd8b66SMauro Carvalho Chehab Not supported for chip temperature sensor on 285*7ebd8b66SMauro Carvalho Chehab LTC2974 and LTC2975. 286*7ebd8b66SMauro Carvalho Chehab 287*7ebd8b66SMauro Carvalho Chehabpower1_label "pin". LTC3883 and LTC3886 only. 288*7ebd8b66SMauro Carvalho Chehab 289*7ebd8b66SMauro Carvalho Chehabpower1_input Measured input power. 290*7ebd8b66SMauro Carvalho Chehab 291*7ebd8b66SMauro Carvalho Chehabpower[N]_label "pout[1-4]". 292*7ebd8b66SMauro Carvalho Chehab 293*7ebd8b66SMauro Carvalho Chehab - LTC2974, LTC2975: N=1-4 294*7ebd8b66SMauro Carvalho Chehab - LTC2977, LTC2980, LTM2987: Not supported 295*7ebd8b66SMauro Carvalho Chehab - LTC2978: Not supported 296*7ebd8b66SMauro Carvalho Chehab - LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: 297*7ebd8b66SMauro Carvalho Chehab N=1-2 298*7ebd8b66SMauro Carvalho Chehab - LTC3883: N=2 299*7ebd8b66SMauro Carvalho Chehab 300*7ebd8b66SMauro Carvalho Chehabpower[N]_input Measured output power. 301*7ebd8b66SMauro Carvalho Chehab 302*7ebd8b66SMauro Carvalho Chehabcurr1_label "iin". 303*7ebd8b66SMauro Carvalho Chehab 304*7ebd8b66SMauro Carvalho Chehab LTC3880, LTC3883, LTC3886, LTC3887, LTM4675, 305*7ebd8b66SMauro Carvalho Chehab and LTM4676 only. 306*7ebd8b66SMauro Carvalho Chehab 307*7ebd8b66SMauro Carvalho Chehabcurr1_input Measured input current. 308*7ebd8b66SMauro Carvalho Chehab 309*7ebd8b66SMauro Carvalho Chehabcurr1_max Maximum input current. 310*7ebd8b66SMauro Carvalho Chehab 311*7ebd8b66SMauro Carvalho Chehabcurr1_max_alarm Input current high alarm. 312*7ebd8b66SMauro Carvalho Chehab 313*7ebd8b66SMauro Carvalho Chehabcurr1_highest Highest input current. 314*7ebd8b66SMauro Carvalho Chehab 315*7ebd8b66SMauro Carvalho Chehab LTC3883 and LTC3886 only. 316*7ebd8b66SMauro Carvalho Chehab 317*7ebd8b66SMauro Carvalho Chehabcurr1_reset_history Reset input current history. 318*7ebd8b66SMauro Carvalho Chehab 319*7ebd8b66SMauro Carvalho Chehab LTC3883 and LTC3886 only. 320*7ebd8b66SMauro Carvalho Chehab 321*7ebd8b66SMauro Carvalho Chehabcurr[N]_label "iout[1-4]". 322*7ebd8b66SMauro Carvalho Chehab 323*7ebd8b66SMauro Carvalho Chehab - LTC2974, LTC2975: N=1-4 324*7ebd8b66SMauro Carvalho Chehab - LTC2977, LTC2980, LTM2987: not supported 325*7ebd8b66SMauro Carvalho Chehab - LTC2978: not supported 326*7ebd8b66SMauro Carvalho Chehab - LTC3880, LTC3882, LTC3886, LTC3887, LTM4675, LTM4676: 327*7ebd8b66SMauro Carvalho Chehab N=2-3 328*7ebd8b66SMauro Carvalho Chehab - LTC3883: N=2 329*7ebd8b66SMauro Carvalho Chehab 330*7ebd8b66SMauro Carvalho Chehabcurr[N]_input Measured output current. 331*7ebd8b66SMauro Carvalho Chehab 332*7ebd8b66SMauro Carvalho Chehabcurr[N]_max Maximum output current. 333*7ebd8b66SMauro Carvalho Chehab 334*7ebd8b66SMauro Carvalho Chehabcurr[N]_crit Critical high output current. 335*7ebd8b66SMauro Carvalho Chehab 336*7ebd8b66SMauro Carvalho Chehabcurr[N]_lcrit Critical low output current. 337*7ebd8b66SMauro Carvalho Chehab 338*7ebd8b66SMauro Carvalho Chehab LTC2974 and LTC2975 only. 339*7ebd8b66SMauro Carvalho Chehab 340*7ebd8b66SMauro Carvalho Chehabcurr[N]_max_alarm Output current high alarm. 341*7ebd8b66SMauro Carvalho Chehab 342*7ebd8b66SMauro Carvalho Chehabcurr[N]_crit_alarm Output current critical high alarm. 343*7ebd8b66SMauro Carvalho Chehab 344*7ebd8b66SMauro Carvalho Chehabcurr[N]_lcrit_alarm Output current critical low alarm. 345*7ebd8b66SMauro Carvalho Chehab 346*7ebd8b66SMauro Carvalho Chehab LTC2974 and LTC2975 only. 347*7ebd8b66SMauro Carvalho Chehab 348*7ebd8b66SMauro Carvalho Chehabcurr[N]_lowest Lowest output current. 349*7ebd8b66SMauro Carvalho Chehab 350*7ebd8b66SMauro Carvalho Chehab LTC2974 and LTC2975 only. 351*7ebd8b66SMauro Carvalho Chehab 352*7ebd8b66SMauro Carvalho Chehabcurr[N]_highest Highest output current. 353*7ebd8b66SMauro Carvalho Chehab 354*7ebd8b66SMauro Carvalho Chehabcurr[N]_reset_history Reset output current history. 355*7ebd8b66SMauro Carvalho Chehab======================= ======================================================== 356