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-rw-r--r--include/twl6030.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/twl6030.h b/include/twl6030.h
index a9fcadb..029b21f 100644
--- a/include/twl6030.h
+++ b/include/twl6030.h
@@ -21,6 +21,9 @@
* MA 02111-1307 USA
*/
+#ifndef TWL6030_H
+#define TWL6030_H
+
#include <common.h>
#include <i2c.h>
@@ -126,6 +129,17 @@
#define GPCH0_LSB 0x57
#define GPCH0_MSB 0x58
+/* 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);
+}
+
void twl6030_init_battery_charging(void);
void twl6030_usb_device_settings(void);
void twl6030_start_usb_charging(void);
@@ -133,3 +147,5 @@ void twl6030_stop_usb_charging(void);
int twl6030_get_battery_voltage(void);
int twl6030_get_battery_current(void);
void twl6030_power_mmc_init(void);
+
+#endif /* TWL6030_H */