Merge branch 'master' of git://git.denx.de/u-boot-nand-flash

[karo-tx-uboot.git] / include / twl6030.h

diff --git a/include/twl6030.h b/include/twl6030.h
index a9fcadbfef7e348e64eb33907e17a758d994c3a4..029b21f7108d369f7f04cd392430ddea70e7cf2c 100644 (file)
--- 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 */