regulator: adp5055: Add driver for adp5055

Add ADI ADP5055 driver support. The device consists
of 3 buck regulators able to connect to high input voltages of up to 18V
with no preregulators.

Signed-off-by: Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
Link: https://patch.msgid.link/20250409-upstream-adp5055-v6-2-faa6e810deb1@analog.com
Signed-off-by: Mark Brown <broonie@kernel.org>

Author: actorreno

MAINTAINERS

@@ -1572,6 +1572,7 @@ M:	Alexis Czezar Torreno <alexisczezar.torreno@analog.com>
 S:	Supported
 W:	https://ez.analog.com/linux-software-drivers
 F:	Documentation/devicetree/bindings/regulator/adi,adp5055-regulator.yaml
+F:	drivers/regulator/adp5055-regulator.c
 
 ANALOG DEVICES INC ADP5061 DRIVER
 M:	Michael Hennerich <Michael.Hennerich@analog.com>

drivers/regulator/Kconfig

@@ -122,6 +122,17 @@ config REGULATOR_AD5398
 	  This driver supports AD5398 and AD5821 current regulator chips.
 	  If building into module, its name is ad5398.ko.
 
+config REGULATOR_ADP5055
+	tristate "Analog Devices ADP5055 Triple Buck Regulator"
+	depends on I2C
+	select REGMAP_I2C
+	help
+	  This driver controls an Analog Devices ADP5055 with triple buck
+	  regulators using an I2C interface.
+
+	  Say M here if you want to include support for the regulator as a
+	  module.
+
 config REGULATOR_ANATOP
 	tristate "Freescale i.MX on-chip ANATOP LDO regulators"
 	depends on ARCH_MXC || COMPILE_TEST

drivers/regulator/Makefile

@@ -22,6 +22,7 @@ obj-$(CONFIG_REGULATOR_AB8500)	+= ab8500-ext.o ab8500.o
 obj-$(CONFIG_REGULATOR_ACT8865) += act8865-regulator.o
 obj-$(CONFIG_REGULATOR_ACT8945A) += act8945a-regulator.o
 obj-$(CONFIG_REGULATOR_AD5398) += ad5398.o
+obj-$(CONFIG_REGULATOR_ADP5055) += adp5055-regulator.o
 obj-$(CONFIG_REGULATOR_ANATOP) += anatop-regulator.o
 obj-$(CONFIG_REGULATOR_ARIZONA_LDO1) += arizona-ldo1.o
 obj-$(CONFIG_REGULATOR_ARIZONA_MICSUPP) += arizona-micsupp.o