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config AXP221_POWER
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boolean "axp221 / axp223 pmic support"
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depends on MACH_SUN6I || MACH_SUN8I
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default y
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---help---
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Say y here to enable support for the axp221 / axp223 pmic found on most
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sun6i (A31) / sun8i (A23) boards.
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config AXP221_DCDC1_VOLT
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int "axp221 dcdc1 voltage"
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depends on AXP221_POWER
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default 3000
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---help---
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Set the voltage (mV) to program the axp221 dcdc1 at, set to 0 to
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disable dcdc1. This is typically used as generic 3.3V IO voltage for
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things like GPIO-s, sdcard interfaces, etc. On most boards this is
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undervolted to 3.0V to safe battery.
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config AXP221_DLDO1_VOLT
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int "axp221 dldo1 voltage"
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depends on AXP221_POWER
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default 0
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---help---
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Set the voltage (mV) to program the axp221 dldo1 at, set to 0 to
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disable dldo1. On sun6i (A31) boards with ethernet this is often used
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to power the ethernet phy. On sun8i (A23) boards this is often used to
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power the wifi.
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config AXP221_DLDO4_VOLT
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int "axp221 dldo4 voltage"
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depends on AXP221_POWER
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default 0
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---help---
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Set the voltage (mV) to program the axp221 dldo4 at, set to 0 to
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disable dldo4.
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config AXP221_ALDO1_VOLT
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int "axp221 aldo1 voltage"
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depends on AXP221_POWER
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default 0
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---help---
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Set the voltage (mV) to program the axp221 aldo1 at, set to 0 to
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disable aldo1. On sun6i (A31) boards which have a wifi module this is
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often used to power the wifi module.
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config AXP221_ALDO2_VOLT
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int "axp221 aldo2 voltage"
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depends on AXP221_POWER
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default 0 if MACH_SUN6I
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default 2500 if MACH_SUN8I
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---help---
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Set the voltage (mV) to program the axp221 aldo2 at, set to 0 to
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disable aldo2. On sun6i (A31) boards this is typically unused and
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should be disabled, if it is used for LPDDR2 it should be set to 1.8V.
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On sun8i (A23) this is typically connected to VDD-DLL and must be set
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to 2.5V.
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config AXP221_ALDO3_VOLT
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int "axp221 aldo3 voltage"
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depends on AXP221_POWER
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default 3000
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---help---
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Set the voltage (mV) to program the axp221 aldo3 at, set to 0 to
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disable aldo3. This is typically connected to VCC-PLL and AVCC and
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must be set to 3V.
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config AXP221_ELDO3_VOLT
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int "axp221 eldo3 voltage"
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depends on AXP221_POWER
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default 0
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---help---
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Set the voltage (mV) to program the axp221 eldo3 at, set to 0 to
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disable eldo3. On some A31(s) tablets it might be used to supply
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1.2V for the SSD2828 chip (converter of parallel LCD interface
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into MIPI DSI).
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