diff options
Diffstat (limited to 'drivers/power/Kconfig')
| -rw-r--r-- | drivers/power/Kconfig | 54 |
1 files changed, 36 insertions, 18 deletions
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig index 1ec7c0e..e68e16b 100644 --- a/drivers/power/Kconfig +++ b/drivers/power/Kconfig @@ -1,47 +1,65 @@ config AXP221_POWER - boolean "axp221 pmic support" - depends on MACH_SUN6I + boolean "axp221 / axp223 pmic support" + depends on MACH_SUN6I || MACH_SUN8I default y ---help--- - Say y here to enable support for the axp221 pmic found on most sun6i - (A31) boards. + Say y here to enable support for the axp221 / axp223 pmic found on most + sun6i (A31) / sun8i (A23) boards. + +config AXP221_DCDC1_VOLT + int "axp221 dcdc1 voltage" + depends on AXP221_POWER + default 3000 + ---help--- + Set the voltage (mV) to program the axp221 dcdc1 at, set to 0 to + disable dcdc1. This is typically used as generic 3.3V IO voltage for + things like GPIO-s, sdcard interfaces, etc. On most boards this is + undervolted to 3.0V to safe battery. config AXP221_DLDO1_VOLT int "axp221 dldo1 voltage" depends on AXP221_POWER - default -1 + default 0 ---help--- - Set the voltage (mV) to program the axp221 dldo1 at, set to -1 to - disable dldo1. + Set the voltage (mV) to program the axp221 dldo1 at, set to 0 to + disable dldo1. On sun6i (A31) boards with ethernet this is often used + to power the ethernet phy. On sun8i (A23) boards this is often used to + power the wifi. config AXP221_DLDO4_VOLT int "axp221 dldo4 voltage" depends on AXP221_POWER - default -1 + default 0 ---help--- - Set the voltage (mV) to program the axp221 dldo4 at, set to -1 to + Set the voltage (mV) to program the axp221 dldo4 at, set to 0 to disable dldo4. config AXP221_ALDO1_VOLT int "axp221 aldo1 voltage" depends on AXP221_POWER - default -1 + default 0 ---help--- - Set the voltage (mV) to program the axp221 aldo1 at, set to -1 to - disable aldo1. + Set the voltage (mV) to program the axp221 aldo1 at, set to 0 to + disable aldo1. On sun6i (A31) boards which have a wifi module this is + often used to power the wifi module. config AXP221_ALDO2_VOLT int "axp221 aldo2 voltage" depends on AXP221_POWER - default -1 + default 0 if MACH_SUN6I + default 2500 if MACH_SUN8I ---help--- - Set the voltage (mV) to program the axp221 aldo2 at, set to -1 to - disable aldo2. + Set the voltage (mV) to program the axp221 aldo2 at, set to 0 to + disable aldo2. On sun6i (A31) boards this is typically unused and + should be disabled, if it is used for LPDDR2 it should be set to 1.8V. + On sun8i (A23) this is typically connected to VDD-DLL and must be set + to 2.5V. config AXP221_ALDO3_VOLT int "axp221 aldo3 voltage" depends on AXP221_POWER - default -1 + default 3000 ---help--- - Set the voltage (mV) to program the axp221 aldo3 at, set to -1 to - disable aldo3. + Set the voltage (mV) to program the axp221 aldo3 at, set to 0 to + disable aldo3. This is typically connected to VCC-PLL and AVCC and + must be set to 3V. |