[omap3] i2c driver
diff --git a/include/dev/i2c.h b/include/dev/i2c.h
new file mode 100644
index 0000000..fef1303
--- /dev/null
+++ b/include/dev/i2c.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2008 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef __DEV_I2C_H
+#define __DEV_I2C_H
+
+void i2c_init(void);
+void i2c_init_early(void);
+
+/* send and receive blocks of data */
+int i2c_transmit(int bus, uint8_t address, const void *buf, size_t count);
+int i2c_receive(int bus, uint8_t address, void *buf, size_t count);
+
+/* a few convenience routines based on the usual way of accessing 8 byte registers on i2c slave devices */
+int i2c_write_reg(int bus, uint8_t address, uint8_t reg, uint8_t val);
+int i2c_read_reg(int bus, uint8_t address, uint8_t reg, uint8_t *val);
+
+
+#endif
+