1 Kernel driver wm8350-hwmon 1 Kernel driver wm8350-hwmon
2 ========================== 2 ==========================
3 3
4 Supported chips: 4 Supported chips:
5 5
6 * Wolfson Microelectronics WM835x PMICs 6 * Wolfson Microelectronics WM835x PMICs
7 7
8 Prefix: 'wm8350' 8 Prefix: 'wm8350'
9 9
10 Datasheet: 10 Datasheet:
11 11
12 - http://www.wolfsonmicro.com/products 12 - http://www.wolfsonmicro.com/products/WM8350
13 - http://www.wolfsonmicro.com/products 13 - http://www.wolfsonmicro.com/products/WM8351
14 - http://www.wolfsonmicro.com/products 14 - http://www.wolfsonmicro.com/products/WM8352
15 15
16 Authors: Mark Brown <broonie@opensource.wolfson 16 Authors: Mark Brown <broonie@opensource.wolfsonmicro.com>
17 17
18 Description 18 Description
19 ----------- 19 -----------
20 20
21 The WM835x series of PMICs include an AUXADC w 21 The WM835x series of PMICs include an AUXADC which can be used to
22 monitor a range of system operating parameters 22 monitor a range of system operating parameters, including the voltages
23 of the major supplies within the system. Curr 23 of the major supplies within the system. Currently the driver provides
24 simple access to these major supplies. 24 simple access to these major supplies.
25 25
26 Voltage Monitoring 26 Voltage Monitoring
27 ------------------ 27 ------------------
28 28
29 Voltages are sampled by a 12 bit ADC. For the 29 Voltages are sampled by a 12 bit ADC. For the internal supplies the ADC
30 is referenced to the system VRTC. 30 is referenced to the system VRTC.
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