regulator: ltc7871: Add driver for LTC7871

Add ADI LTC7871 buck-boost controller driver support.

Signed-off-by: Celine Joy A. Capua <[email protected]>

Author: adiceline

drivers/regulator/Kconfig

@@ -538,6 +538,17 @@ config REGULATOR_LTC3676
 	  This enables support for the LTC3676
 	  8-output regulators controlled via I2C.
 
+config REGULATOR_LTC7871
+	tristate "LTC7871 six-phase buck-boost voltage regulator driver with SPI"
+	depends on SPI && OF
+	help
+	  This driver controls an Analog Devices LTC7871 high performance
+	  bidirectional buck or boost switching regulator controller
+	  that operates in either buck or boost mode on demand.
+
+	  Say M here if you want to include support for the regulator as a
+	  module.
+
 config REGULATOR_MAX14577
 	tristate "Maxim 14577/77836 regulator"
 	depends on MFD_MAX14577

drivers/regulator/Makefile

@@ -65,6 +65,7 @@ obj-$(CONFIG_REGULATOR_LP8788) += lp8788-buck.o
 obj-$(CONFIG_REGULATOR_LP8788) += lp8788-ldo.o
 obj-$(CONFIG_REGULATOR_LP8755) += lp8755.o
 obj-$(CONFIG_REGULATOR_LTC3589) += ltc3589.o
+obj-$(CONFIG_REGULATOR_LTC7871) += ltc7871-regulator.o
 obj-$(CONFIG_REGULATOR_LTC3676) += ltc3676.o
 obj-$(CONFIG_REGULATOR_MAX14577) += max14577-regulator.o
 obj-$(CONFIG_REGULATOR_MAX1586) += max1586.o