diff --git a/include/libopencm3/stm32/common/i2c_common_v2.h b/include/libopencm3/stm32/common/i2c_common_v2.h
index cd311064..ad4846b9 100644
--- a/include/libopencm3/stm32/common/i2c_common_v2.h
+++ b/include/libopencm3/stm32/common/i2c_common_v2.h
@@ -46,6 +46,9 @@ specific memorymap.h header before including this header file.*/
#ifdef I2C3_BASE
#define I2C3 I2C3_BASE
#endif
+#ifdef I2C4_BASE
+#define I2C4 I2C4_BASE
+#endif
/**@}*/
/* --- I2C registers ------------------------------------------------------- */
diff --git a/include/libopencm3/stm32/f7/i2c.h b/include/libopencm3/stm32/f7/i2c.h
new file mode 100644
index 00000000..23b7d6bf
--- /dev/null
+++ b/include/libopencm3/stm32/f7/i2c.h
@@ -0,0 +1,36 @@
+/** @defgroup i2c_defines I2C Defines
+ *
+ * @brief Defined Constants and Types for the STM32F7xx I2C
+ *
+ * @ingroup STM32F7xx_defines
+ *
+ * @version 1.0.0
+ *
+ * @date 04 April 2019
+ *
+ * LGPL License Terms @ref lgpl_license
+ */
+/*
+ * This file is part of the libopencm3 project.
+ *
+ * This library is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library. If not, see .
+ */
+
+#ifndef LIBOPENCM3_I2C_H
+#define LIBOPENCM3_I2C_H
+
+#include
+
+#endif
+
diff --git a/lib/stm32/f7/Makefile b/lib/stm32/f7/Makefile
index bbd1e400..be9739c4 100644
--- a/lib/stm32/f7/Makefile
+++ b/lib/stm32/f7/Makefile
@@ -46,8 +46,8 @@ OBJS = desig.o
OBJS += dma_common_f24.o
OBJS += flash_common_all.o flash_common_f.o flash_common_f24.o flash.o
OBJS += gpio.o gpio_common_all.o gpio_common_f0234.o
+OBJS += i2c_common_v2.o
OBJS += pwr.o rcc.o
-
OBJS += rcc_common_all.o
OBJS += rng_common_v1.o
OBJS += spi_common_all.o spi_common_v2.o