diff options
| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2009-07-20 12:43:45 +0100 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2009-09-17 09:46:51 +0200 |
| commit | fb6c023a2b845df1ec383b74644ac35a4bbb76b6 (patch) | |
| tree | dbb8acdaa37c8ce80ee702a55f672476b6e45444 /Documentation | |
| parent | 39b1772a24126d74699cea623f96b50ca6b6f08f (diff) | |
hwmon: Add WM835x PMIC hardware monitoring driver
This driver provides reporting of the status supply voltage rails
of the WM835x series of PMICs via the hwmon API.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Jean Delvare <khali@linux-fr.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/hwmon/wm8350 | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/hwmon/wm8350 b/Documentation/hwmon/wm8350 new file mode 100644 index 00000000000..98f923bd2e9 --- /dev/null +++ b/Documentation/hwmon/wm8350 @@ -0,0 +1,26 @@ +Kernel driver wm8350-hwmon +========================== + +Supported chips: + * Wolfson Microelectronics WM835x PMICs + Prefix: 'wm8350' + Datasheet: + http://www.wolfsonmicro.com/products/WM8350 + http://www.wolfsonmicro.com/products/WM8351 + http://www.wolfsonmicro.com/products/WM8352 + +Authors: Mark Brown <broonie@opensource.wolfsonmicro.com> + +Description +----------- + +The WM835x series of PMICs include an AUXADC which can be used to +monitor a range of system operating parameters, including the voltages +of the major supplies within the system. Currently the driver provides +simple access to these major supplies. + +Voltage Monitoring +------------------ + +Voltages are sampled by a 12 bit ADC. For the internal supplies the ADC +is referenced to the system VRTC. |