ISL6271A voltage regulator support.

This device is very simple, it supports one buck and two LDOs. The LDOs are
fixed-voltage. Only the buck is programable over the I2C bus to 16 possible
voltages.

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 679ea37..6bf56c9 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -201,6 +201,12 @@
 	help
 	  This driver supports 88PM8607 voltage regulator chips.
 
+config REGULATOR_ISL6271A
+	tristate "Intersil ISL6271A Power regulator"
+	depends on I2C
+	help
+	  This driver supports ISL6271A voltage regulator chip.
+
 config REGULATOR_AD5398
 	tristate "Analog Devices AD5398/AD5821 regulators"
 	depends on I2C