As per latest evaluation.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

Some Arizona device support a 1.8V output mode. Enable this in the driver.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

The number of voltage slots supported by the LDO is 7, not 6.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

Some Arizona devices such as the WM5102 can use DVFS on their digital core,
for these devices allow the voltage range to vary in the default setup.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.
Signed-off-by: NBill Pemberton <wfp5p@virginia.edu>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

CONFIG_HOTPLUG is going away as an option so __devinit is no longer
needed.
Signed-off-by: NBill Pemberton <wfp5p@virginia.edu>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

CONFIG_HOTPLUG is going away as an option so __devexit_p is no longer
needed.
Signed-off-by: NBill Pemberton <wfp5p@virginia.edu>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

The highest voltage step is not supported.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

Arizona class devices feature an integrated LDO which is intended to
supply the digital core for the device. Provide a driver offering
minimal control of this regulator.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>