diff --git a/include/libopencm3/efm32/memorymap.h b/include/libopencm3/efm32/memorymap.h
index 35bfdd343d..481883c1f7 100644
--- a/include/libopencm3/efm32/memorymap.h
+++ b/include/libopencm3/efm32/memorymap.h
@@ -17,6 +17,14 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+/** @file
+ *
+ * Dispatcher for the base address definitions, depending on the particular
+ * Gecko family.
+ *
+ * @see tinygecko/memorymap.h
+ */
+
 #ifndef LIBOPENCM3_EFM32_MEMORYMAP_H
 #define LIBOPENCM3_EFM32_MEMORYMAP_H
 
diff --git a/include/libopencm3/efm32/tinygecko/memorymap.h b/include/libopencm3/efm32/tinygecko/memorymap.h
index 672c013628..87395b5c4a 100644
--- a/include/libopencm3/efm32/tinygecko/memorymap.h
+++ b/include/libopencm3/efm32/tinygecko/memorymap.h
@@ -54,7 +54,7 @@
 #define	ACMP1_BASE		(PERIPH_BASE + 0x00001400)
 #define	ADC_BASE		(PERIPH_BASE + 0x00002000)
 #define	DAC0_BASE		(PERIPH_BASE + 0x00004000)
-#define	GPIO_BASE		(PERIPH_BASE + 0x00006000)
+#define	GPIO_BASE		(PERIPH_BASE + 0x00006000) /**< @see gpio.h */
 #define	I2C0_BASE		(PERIPH_BASE + 0x0000a000)
 #define	USART0_BASE		(PERIPH_BASE + 0x0000c000)
 #define	USART1_BASE		(PERIPH_BASE + 0x0000c400)
@@ -70,7 +70,7 @@
 #define	MSC_BASE		(PERIPH_BASE + 0x000c0000)
 #define	DMA_BASE		(PERIPH_BASE + 0x000c2000)
 #define	EMU_BASE		(PERIPH_BASE + 0x000c6000)
-#define	CMU_BASE		(PERIPH_BASE + 0x000c8000)
+#define	CMU_BASE		(PERIPH_BASE + 0x000c8000) /**< @see cmu.h */
 #define	RMU_BASE		(PERIPH_BASE + 0x000ca000)
 #define	PRS_BASE		(PERIPH_BASE + 0x000cc000)
 #define	AES_BASE		(PERIPH_BASE + 0x000e0000)