17ebd8b66SMauro Carvalho ChehabKernel driver wm8350-hwmon 27ebd8b66SMauro Carvalho Chehab========================== 37ebd8b66SMauro Carvalho Chehab 47ebd8b66SMauro Carvalho ChehabSupported chips: 57ebd8b66SMauro Carvalho Chehab 67ebd8b66SMauro Carvalho Chehab * Wolfson Microelectronics WM835x PMICs 77ebd8b66SMauro Carvalho Chehab 87ebd8b66SMauro Carvalho Chehab Prefix: 'wm8350' 97ebd8b66SMauro Carvalho Chehab 107ebd8b66SMauro Carvalho Chehab Datasheet: 117ebd8b66SMauro Carvalho Chehab 127ebd8b66SMauro Carvalho Chehab - http://www.wolfsonmicro.com/products/WM8350 137ebd8b66SMauro Carvalho Chehab - http://www.wolfsonmicro.com/products/WM8351 147ebd8b66SMauro Carvalho Chehab - http://www.wolfsonmicro.com/products/WM8352 157ebd8b66SMauro Carvalho Chehab 167ebd8b66SMauro Carvalho ChehabAuthors: Mark Brown <broonie@opensource.wolfsonmicro.com> 177ebd8b66SMauro Carvalho Chehab 187ebd8b66SMauro Carvalho ChehabDescription 197ebd8b66SMauro Carvalho Chehab----------- 207ebd8b66SMauro Carvalho Chehab 217ebd8b66SMauro Carvalho ChehabThe WM835x series of PMICs include an AUXADC which can be used to 227ebd8b66SMauro Carvalho Chehabmonitor a range of system operating parameters, including the voltages 237ebd8b66SMauro Carvalho Chehabof the major supplies within the system. Currently the driver provides 247ebd8b66SMauro Carvalho Chehabsimple access to these major supplies. 257ebd8b66SMauro Carvalho Chehab 267ebd8b66SMauro Carvalho ChehabVoltage Monitoring 277ebd8b66SMauro Carvalho Chehab------------------ 287ebd8b66SMauro Carvalho Chehab 297ebd8b66SMauro Carvalho ChehabVoltages are sampled by a 12 bit ADC. For the internal supplies the ADC 307ebd8b66SMauro Carvalho Chehabis referenced to the system VRTC. 31