-/* We support drivebus control */
-#define AXP_DRIVEBUS
-
-int axp221_set_dcdc1(unsigned int mvolt);
-int axp221_set_dcdc2(unsigned int mvolt);
-int axp221_set_dcdc3(unsigned int mvolt);
-int axp221_set_dcdc4(unsigned int mvolt);
-int axp221_set_dcdc5(unsigned int mvolt);
-int axp221_set_dldo1(unsigned int mvolt);
-int axp221_set_dldo2(unsigned int mvolt);
-int axp221_set_dldo3(unsigned int mvolt);
-int axp221_set_dldo4(unsigned int mvolt);
-int axp221_set_aldo1(unsigned int mvolt);
-int axp221_set_aldo2(unsigned int mvolt);
-int axp221_set_aldo3(unsigned int mvolt);
-int axp221_init(void);
-int axp221_get_sid(unsigned int *sid);
-int axp_drivebus_enable(void);
-int axp_drivebus_disable(void);
+/* For axp_gpio.c */
+#define AXP_POWER_STATUS 0x00
+#define AXP_POWER_STATUS_VBUS_PRESENT (1 << 5)
+#define AXP_GPIO0_CTRL 0x90
+#define AXP_GPIO1_CTRL 0x92
+#define AXP_GPIO_CTRL_OUTPUT_LOW 0x00 /* Drive pin low */
+#define AXP_GPIO_CTRL_OUTPUT_HIGH 0x01 /* Drive pin high */
+#define AXP_GPIO_CTRL_INPUT 0x02 /* Input */
+#define AXP_GPIO_STATE 0x94
+#define AXP_GPIO_STATE_OFFSET 0