diff --git a/board/sunxi/board.c b/board/sunxi/board.c
index b5dfe958ad..e2ebf83688 100644
--- a/board/sunxi/board.c
+++ b/board/sunxi/board.c
@@ -175,7 +175,7 @@ void sunxi_board_init(void)
 #endif
 #ifdef CONFIG_AXP221_POWER
 	power_failed = axp221_init();
-	power_failed |= axp221_set_dcdc1(3000);
+	power_failed |= axp221_set_dcdc1(CONFIG_AXP221_DCDC1_VOLT);
 	power_failed |= axp221_set_dcdc2(1200);
 	power_failed |= axp221_set_dcdc3(1200);
 	power_failed |= axp221_set_dcdc4(1200);
diff --git a/configs/Mele_M9_defconfig b/configs/Mele_M9_defconfig
index 445cc574d8..e5ab0ec302 100644
--- a/configs/Mele_M9_defconfig
+++ b/configs/Mele_M9_defconfig
@@ -7,6 +7,8 @@ CONFIG_FDTFILE="sun6i-a31-m9.dtb"
 +S:CONFIG_TARGET_MELE_M9=y
 +S:CONFIG_DRAM_CLK=312
 +S:CONFIG_DRAM_ZQ=120
+# The Mele M9 uses 3.3V for general IO
++S:CONFIG_AXP221_DCDC1_VOLT=3300
 # Ethernet phy power
 +S:CONFIG_AXP221_DLDO1_VOLT=3300
 # USB hub power
diff --git a/drivers/power/Kconfig b/drivers/power/Kconfig
index af66887129..e132759c41 100644
--- a/drivers/power/Kconfig
+++ b/drivers/power/Kconfig
@@ -6,6 +6,16 @@ config AXP221_POWER
 	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