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Kernel driver twl4030-madc
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==========================
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Supported chips:
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* Texas Instruments TWL4030
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Prefix: 'twl4030-madc'
Authors:
J Keerthy <j-keerthy@ti.com>
Description
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The Texas Instruments TWL4030 is a Power Management and Audio Circuit. Among
other things it contains a 10-bit A/D converter MADC. The converter has 16
channels which can be used in different modes.
See this table for the meaning of the different channels
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======= ==========================================================
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Channel Signal
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0 Battery type(BTYPE)
1 BCI: Battery temperature (BTEMP)
2 GP analog input
3 GP analog input
4 GP analog input
5 GP analog input
6 GP analog input
7 GP analog input
8 BCI: VBUS voltage(VBUS)
9 Backup Battery voltage (VBKP)
10 BCI: Battery charger current (ICHG)
11 BCI: Battery charger voltage (VCHG)
12 BCI: Main battery voltage (VBAT)
13 Reserved
14 Reserved
15 VRUSB Supply/Speaker left/Speaker right polarization level
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======= ==========================================================
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The Sysfs nodes will represent the voltage in the units of mV,
the temperature channel shows the converted temperature in
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degree Celsius. The Battery charging current channel represents
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battery charging current in mA.