sunxi: axp221: Allow specifying dcdc2 voltage via Kconfig

[karo-tx-uboot.git] / drivers / power / Kconfig

diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index e132759c411b6f8082495f2444c9646cea96de99..df5e3734b05f20e8ff9db1c83dea2aad3a41fe0f 100644 (file)
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -1,3 +1,9 @@
+menu "Power"
+
+source "drivers/power/pmic/Kconfig"
+
+source "drivers/power/regulator/Kconfig"
+
 config AXP221_POWER
        boolean "axp221 / axp223 pmic support"
        depends on MACH_SUN6I || MACH_SUN8I
@@ -16,12 +22,21 @@ config AXP221_DCDC1_VOLT
        things like GPIO-s, sdcard interfaces, etc. On most boards this is
        undervolted to 3.0V to safe battery.
 
+config AXP221_DCDC2_VOLT
+       int "axp221 dcdc2 voltage"
+       depends on AXP221_POWER
+       default 1200
+       ---help---
+       Set the voltage (mV) to program the axp221 dcdc2 at, set to 0 to
+       disable dcdc2. On A31 boards this is typically used for VDD-GPU,
+       on A23/A33 for VDD-SYS, this should normally be set to 1.2V.
+
 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
+       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.
@@ -29,37 +44,49 @@ config AXP221_DLDO1_VOLT
 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
+       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 1800 if MACH_SUN6I
+       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. On sun6i (A31) boards this is typically connected to
-       VCC-PM, which powers the port M gpios, and should be set to 1.8V.
-       On sun8i (A23) this is typically connected to VDD-DLL and must be
-       set to 2.5V.
+       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 3000
        ---help---
-       Set the voltage (mV) to program the axp221 aldo3 at, set to -1 to
+       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.
+
+config AXP221_ELDO3_VOLT
+       int "axp221 eldo3 voltage"
+       depends on AXP221_POWER
+       default 0
+       ---help---
+       Set the voltage (mV) to program the axp221 eldo3 at, set to 0 to
+       disable eldo3. On some A31(s) tablets it might be used to supply
+       1.2V for the SSD2828 chip (converter of parallel LCD interface
+       into MIPI DSI).
+
+endmenu