regulator: rtq2134: Add support for Richtek RTQ2134 SubPMIC

This adds support for Richtek RTQ2134 SubPMIC.
Signed-off-by: ChiYuan Huang <cy_huang@richtek.com>
Link: https://lore.kernel.org/r/1626422636-29458-2-git-send-email-u0084500@gmail.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/Kconfig

@@ -1057,6 +1057,17 @@ config REGULATOR_RT6245
 	  It can support up to 14A output current and adjustable output voltage
 	  from 0.4375V to 1.3875V, per step 12.5mV.
 
+config REGULATOR_RTQ2134
+	tristate "Richtek RTQ2134 SubPMIC Regulator"
+	depends on I2C
+	select REGMAP_I2C
+	help
+	  This driver adds support for RTQ2134 SubPMIC regulators.
+	  The RTQ2134 is a multi-phase, programmable power management IC that
+	  integrate with four high efficient, synchronous step-down converter
+	  cores. It features wide output voltage range and the capability to
+	  configure the corresponding power stages.
+
 config REGULATOR_RTMV20
 	tristate "Richtek RTMV20 Laser Diode Regulator"
 	depends on I2C

drivers/regulator/Makefile

@@ -128,6 +128,7 @@ obj-$(CONFIG_REGULATOR_RT5033)	+= rt5033-regulator.o
 obj-$(CONFIG_REGULATOR_RT6160)	+= rt6160-regulator.o
 obj-$(CONFIG_REGULATOR_RT6245)	+= rt6245-regulator.o
 obj-$(CONFIG_REGULATOR_RTMV20)	+= rtmv20-regulator.o
+obj-$(CONFIG_REGULATOR_RTQ2134) += rtq2134-regulator.o
 obj-$(CONFIG_REGULATOR_RTQ6752)	+= rtq6752-regulator.o
 obj-$(CONFIG_REGULATOR_S2MPA01) += s2mpa01.o
 obj-$(CONFIG_REGULATOR_S2MPS11) += s2mps11.o