+#define TWL6032_GPCH0_LSB 0x3b
+
+#define TWL6032_GPSELECT_ISB 0x35
+
+#define USB_PRODUCT_ID_LSB 0x02
+
+#define TWL6030_GPADC_VBAT_CHNL 0x07
+#define TWL6032_GPADC_VBAT_CHNL 0x12
+
+#define TWL6030_GPADC_CTRL 0x2e
+#define TWL6032_GPADC_CTRL2 0x2f
+#define GPADC_CTRL2_CH18_SCALER_EN (1 << 2)
+#define GPADC_CTRL_SCALER_DIV4 (1 << 3)
+
+#define TWL6030_VBAT_MULT 40 * 1000
+#define TWL6032_VBAT_MULT 25 * 1000
+
+#define TWL6030_VBAT_SHIFT (10 + 3)
+#define TWL6032_VBAT_SHIFT (12 + 2)
+
+enum twl603x_chip_type{
+ chip_TWL6030,
+ chip_TWL6032,
+ chip_TWL603X_cnt
+};
+
+struct twl6030_data{
+ u8 chip_type;
+ u8 adc_rbase;
+ u8 adc_ctrl;
+ u8 adc_enable;
+ int vbat_mult;
+ int vbat_shift;
+};
+
+/* Functions to read and write from TWL6030 */
+static inline int twl6030_i2c_write_u8(u8 chip_no, u8 reg, u8 val)
+{
+ return i2c_write(chip_no, reg, 1, &val, 1);
+}
+
+static inline int twl6030_i2c_read_u8(u8 chip_no, u8 reg, u8 *val)
+{
+ return i2c_read(chip_no, reg, 1, val, 1);
+}
+
+/*
+ * Power
+ */
+
+void twl6030_power_off(void);