u-boot/drivers/power/Kconfig

config AXP221_POWER
	boolean "axp221 pmic support"
	depends on MACH_SUN6I
	default y
	---help---
	Say y here to enable support for the axp221 pmic found on most sun6i
	(A31) boards.

config AXP221_DLDO1_VOLT
	int "axp221 dldo1 voltage"
	depends on AXP221_POWER
	default -1
	---help---
	Set the voltage (mV) to program the axp221 dldo1 at, set to -1 to
	disable dldo1.

config AXP221_DLDO4_VOLT
	int "axp221 dldo4 voltage"
	depends on AXP221_POWER
	default -1
	---help---
	Set the voltage (mV) to program the axp221 dldo4 at, set to -1 to
	disable dldo4.

config AXP221_ALDO1_VOLT
	int "axp221 aldo1 voltage"
	depends on AXP221_POWER
	default -1
	---help---
	Set the voltage (mV) to program the axp221 aldo1 at, set to -1 to
	disable aldo1.

config AXP221_ALDO2_VOLT
	int "axp221 aldo2 voltage"
	depends on AXP221_POWER
	default -1
	---help---
	Set the voltage (mV) to program the axp221 aldo2 at, set to -1 to
	disable aldo2.

config AXP221_ALDO3_VOLT
	int "axp221 aldo3 voltage"
	depends on AXP221_POWER
	default -1
	---help---
	Set the voltage (mV) to program the axp221 aldo3 at, set to -1 to
	disable aldo3.