regulator: rt5133: Add RT5133 PMIC regulator Support

RT5133 is a highly-integrated chip. It includes 8 LDOs and 3 GPOs that can
be used to drive output high/low purpose. The dependency of the GPO block is
internally LDO1 Voltage.

Signed-off-by: Jeff Chang <jeff_chang@richtek.com>
Link: https://patch.msgid.link/20250813020910.2977555-2-jeff_chang@richtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/Kconfig

@@ -1248,6 +1248,18 @@ config REGULATOR_RT5120
 	  600mV to 1395mV, per step 6.250mV. The others are all fixed voltage
 	  by external hardware circuit.
 
+config REGULATOR_RT5133
+	tristate "Richtek RT5133 PMIC Regulators"
+	depends on I2C && GPIOLIB && OF
+	select REGMAP
+	select CRC8
+	select OF_GPIO
+	help
+	  This driver adds support for RT5133 PMIC regulators.
+	  RT5133 is an integrated chip. It includes 8 LDOs and 3 GPOs that
+	  can be used to drive output high/low purpose. The dependency of the
+	  GPO block is internally LDO1 Voltage.
+
 config REGULATOR_RT5190A
 	tristate "Richtek RT5190A PMIC"
 	depends on I2C

drivers/regulator/Makefile

@@ -147,6 +147,7 @@ obj-$(CONFIG_REGULATOR_RT4803)	+= rt4803.o
 obj-$(CONFIG_REGULATOR_RT4831)	+= rt4831-regulator.o
 obj-$(CONFIG_REGULATOR_RT5033)	+= rt5033-regulator.o
 obj-$(CONFIG_REGULATOR_RT5120)	+= rt5120-regulator.o
+obj-$(CONFIG_REGULATOR_RT5133)	+= rt5133-regulator.o
 obj-$(CONFIG_REGULATOR_RT5190A) += rt5190a-regulator.o
 obj-$(CONFIG_REGULATOR_RT5739)	+= rt5739.o
 obj-$(CONFIG_REGULATOR_RT5759)	+= rt5759-regulator.o