1 Kernel driver wm831x-hwmon 2 ========================== 3 4 Supported chips: 5 * Wolfson Microelectronics WM831x PMICs 6 7 Prefix: 'wm831x' 8 9 Datasheet: 10 11 - http://www.wolfsonmicro.com/products 12 - http://www.wolfsonmicro.com/products 13 - http://www.wolfsonmicro.com/products 14 15 Authors: Mark Brown <broonie@opensource.wolfson 16 17 Description 18 ----------- 19 20 The WM831x series of PMICs include an AUXADC w 21 monitor a range of system operating parameters 22 of the major supplies within the system. Curr 23 reporting of all the input values but does not 24 25 Voltage Monitoring 26 ------------------ 27 28 Voltages are sampled by a 12 bit ADC. Voltage 29 times the ADC value. 30 31 Temperature Monitoring 32 ---------------------- 33 34 Temperatures are sampled by a 12 bit ADC. Chi 35 are available. The chip temperature is calcul 36 37 Degrees celsius = (512.18 - data) / 1. 38 39 while the battery temperature calculation will 40 thermistor component.
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