1*7ebd8b66SMauro Carvalho ChehabKernel driver wm8350-hwmon 2*7ebd8b66SMauro Carvalho Chehab========================== 3*7ebd8b66SMauro Carvalho Chehab 4*7ebd8b66SMauro Carvalho ChehabSupported chips: 5*7ebd8b66SMauro Carvalho Chehab 6*7ebd8b66SMauro Carvalho Chehab * Wolfson Microelectronics WM835x PMICs 7*7ebd8b66SMauro Carvalho Chehab 8*7ebd8b66SMauro Carvalho Chehab Prefix: 'wm8350' 9*7ebd8b66SMauro Carvalho Chehab 10*7ebd8b66SMauro Carvalho Chehab Datasheet: 11*7ebd8b66SMauro Carvalho Chehab 12*7ebd8b66SMauro Carvalho Chehab - http://www.wolfsonmicro.com/products/WM8350 13*7ebd8b66SMauro Carvalho Chehab - http://www.wolfsonmicro.com/products/WM8351 14*7ebd8b66SMauro Carvalho Chehab - http://www.wolfsonmicro.com/products/WM8352 15*7ebd8b66SMauro Carvalho Chehab 16*7ebd8b66SMauro Carvalho ChehabAuthors: Mark Brown <broonie@opensource.wolfsonmicro.com> 17*7ebd8b66SMauro Carvalho Chehab 18*7ebd8b66SMauro Carvalho ChehabDescription 19*7ebd8b66SMauro Carvalho Chehab----------- 20*7ebd8b66SMauro Carvalho Chehab 21*7ebd8b66SMauro Carvalho ChehabThe WM835x series of PMICs include an AUXADC which can be used to 22*7ebd8b66SMauro Carvalho Chehabmonitor a range of system operating parameters, including the voltages 23*7ebd8b66SMauro Carvalho Chehabof the major supplies within the system. Currently the driver provides 24*7ebd8b66SMauro Carvalho Chehabsimple access to these major supplies. 25*7ebd8b66SMauro Carvalho Chehab 26*7ebd8b66SMauro Carvalho ChehabVoltage Monitoring 27*7ebd8b66SMauro Carvalho Chehab------------------ 28*7ebd8b66SMauro Carvalho Chehab 29*7ebd8b66SMauro Carvalho ChehabVoltages are sampled by a 12 bit ADC. For the internal supplies the ADC 30*7ebd8b66SMauro Carvalho Chehabis referenced to the system VRTC. 31