X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=include%2Fi2c.h;h=a51c16464ffbb3069dca9dcdebfec81d37cbfb11;hb=745d8a0d3cea82e6d1753e14afb4588c34761b15;hp=a8f729afe0148f27764783b7579ffb54c6577139;hpb=32081125a028aff9e93af5281c777b0745ef8558;p=oweals%2Fu-boot.git

diff --git a/include/i2c.h b/include/i2c.h
index a8f729afe0..a51c16464f 100644
--- a/include/i2c.h
+++ b/include/i2c.h
@@ -46,6 +46,27 @@
  */
 #define I2C_RXTX_LEN	128	/* maximum tx/rx buffer length */
 
+#if defined(CONFIG_I2C_MULTI_BUS)
+#define CFG_MAX_I2C_BUS		2
+#define I2C_GET_BUS()		i2c_get_bus_num()
+#define I2C_SET_BUS(a)		i2c_set_bus_num(a)
+#else
+#define CFG_MAX_I2C_BUS		1
+#define I2C_GET_BUS()		0
+#define I2C_SET_BUS(a)
+#endif
+
+/* define the I2C bus number for RTC and DTT if not already done */
+#if !defined(CFG_RTC_BUS_NUM)
+#define CFG_RTC_BUS_NUM		0
+#endif
+#if !defined(CFG_DTT_BUS_NUM)
+#define CFG_DTT_BUS_NUM		0
+#endif
+#if !defined(CFG_SPD_BUS_NUM)
+#define CFG_SPD_BUS_NUM		0
+#endif
+
 /*
  * Initialization, must be called once on start up, may be called
  * repeatedly to change the speed and slave addresses.
@@ -92,9 +113,9 @@ void  i2c_reg_write(uchar chip, uchar reg, uchar val);
  *  Change the active I2C bus.  Subsequent read/write calls will
  *  go to this one.
  *
- * 	bus - bus index, zero based
+ *	bus - bus index, zero based
  *
- * 	Returns: 0 on success, not 0 on failure
+ *	Returns: 0 on success, not 0 on failure
  *
  */
 int i2c_set_bus_num(unsigned int bus);
@@ -112,9 +133,9 @@ unsigned int i2c_get_bus_num(void);
  *
  *  Change the speed of the active I2C bus
  *
- * 	speed - bus speed in Hz
+ *	speed - bus speed in Hz
  *
- * 	Returns: 0 on success, not 0 on failure
+ *	Returns: 0 on success, not 0 on failure
  *
  */
 int i2c_set_bus_speed(unsigned int);