diff --git a/api/mraa/common.h b/api/mraa/common.h
index 54f3fbf..22ad47d 100644
--- a/api/mraa/common.h
+++ b/api/mraa/common.h
@@ -152,11 +152,26 @@ mraa_platform_t mraa_get_platform_type();
  */
 unsigned int mraa_get_pin_count();
 
+/**
+ * Get platform usable I2C bus count, board must be initialised.
+ *
+ * @return number f usable I2C bus count on the current platform. Function will
+ * return -1 on failure
+ */
+int mraa_get_i2c_bus_count();
+
+/**
+ * Get I2C adapter number in sysfs.
+ *
+ * @param i2c_bus the logical I2C bus number
+ * @return I2C adapter number in sysfs. Function will return -1 on failure
+ */
+int mraa_get_i2c_bus_id(unsigned int i2c_bus);
+
 /**
 * Get name of pin, board must be initialised.
 *
 * @param pin number
-*
 * @return char* of pin name
 */
 char* mraa_get_pin_name(int pin);
diff --git a/examples/hellomraa.c b/examples/hellomraa.c
index ae3e831..64c8bb2 100644
--- a/examples/hellomraa.c
+++ b/examples/hellomraa.c
@@ -32,9 +32,17 @@ int
 main(int argc, char** argv)
 {
     char* board_name = mraa_get_platform_name();
+    int i2c_bus, i, i2c_adapter;
 
     fprintf(stdout, "hello mraa\n Version: %s\n Running on %s\n", mraa_get_version(), board_name);
 
+    i2c_bus = mraa_get_i2c_bus_count();
+
+    for (i = 0; i < i2c_bus; i++) {
+        i2c_adapter = mraa_get_i2c_bus_id(i);
+        fprintf(stdout, "I2C[%d] adapter=%d\n", i, i2c_adapter);
+    }
+
     mraa_deinit();
 
     return MRAA_SUCCESS;
diff --git a/src/mraa.c b/src/mraa.c
index 4580829..137ab91 100644
--- a/src/mraa.c
+++ b/src/mraa.c
@@ -312,6 +312,29 @@ mraa_get_platform_name()
     return (char*) plat->platform_name;
 }
 
+int
+mraa_get_i2c_bus_count()
+{
+    if (plat == NULL) {
+        return -1;
+    }
+    return plat->i2c_bus_count;
+}
+
+int
+mraa_get_i2c_bus_id(unsigned i2c_bus)
+{
+    if (plat == NULL) {
+        return -1;
+    }
+
+    if (i2c_bus >= plat->i2c_bus_count) {
+        return -1;
+    }
+
+    return plat->i2c_bus[i2c_bus].bus_id;
+}
+
 unsigned int
 mraa_get_pin_count()
 {