#define AXP221_ALDO3_CTRL 0x2a
#define AXP221_VBUS_IPSOUT 0x30
#define AXP221_VBUS_IPSOUT_DRIVEBUS (1 << 2)
+#define AXP221_SHUTDOWN 0x32
+#define AXP221_SHUTDOWN_POWEROFF (1 << 7)
#define AXP221_MISC_CTRL 0x8f
#define AXP221_MISC_CTRL_N_VBUSEN_FUNC (1 << 4)
#define AXP221_PAGE 0xff