regulator: tps65218: Add Regulator driver for TPS65218 PMIC

This patch adds support for TPS65218 PMIC regulators.

The regulators set consists of 6 DCDCs and 1 LDO. The output
voltages are configurable and are meant to supply power to the
main processor and other components.

Signed-off-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 6a79328..b05da880 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -513,6 +513,15 @@
 	  voltage regulators. It supports software based voltage control
 	  for different voltage domains
 
+config REGULATOR_TPS65218
+	tristate "TI TPS65218 Power regulators"
+	depends on MFD_TPS65218
+	help
+	  This driver supports TPS65218 voltage regulator chips. TPS65218
+	  provides six step-down converters and one general-purpose LDO
+	  voltage regulators. It supports software based voltage control
+	  for different voltage domains
+
 config REGULATOR_TPS6524X
 	tristate "TI TPS6524X Power regulators"
 	depends on SPI