power: regulator: tps65911: add regulator support

The driver provides regulator set/get voltage enable/disable
functions for TI TPS5911 PMIC.

Signed-off-by: Svyatoslav Ryhel <clamor95@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/power/regulator/Kconfig b/drivers/power/regulator/Kconfig
index 6454c54..102ec7b 100644
--- a/drivers/power/regulator/Kconfig
+++ b/drivers/power/regulator/Kconfig
@@ -346,6 +346,17 @@
 	regulator types of the TPS65910 (BUCK, BOOST and LDO). It implements
 	the get/set api for value and enable.
 
+config DM_REGULATOR_TPS65911
+	bool "Enable driver for TPS65911 PMIC regulators"
+	depends on DM_PMIC_TPS65910
+	---help---
+	This config enables implementation of driver-model regulator
+	uclass features for the TPS65911 PMIC. The driver supports Step-Down
+	DC-DC Converters for Processor Cores (VDD1 and VDD2), Step-Down DC-DC
+	Converter for I/O Power (VIO), Controller for External FETs (VDDCtrl)
+	and LDO Voltage Regulators found in TPS65911 PMIC and implements
+	get/set api for value and enable.
+
 config DM_REGULATOR_TPS62360
 	bool "Enable driver for TPS6236x Power Regulator"
 	depends on DM_REGULATOR