1 files changed, 15 insertions, 3 deletions
diff --git a/c/src/lib/libbsp/arm/lpc24xx/include/io.h b/c/src/lib/libbsp/arm/lpc24xx/include/io.h
index c40d29e631..ac107ff0fa 100644
--- a/c/src/lib/libbsp/arm/lpc24xx/include/io.h
+++ b/c/src/lib/libbsp/arm/lpc24xx/include/io.h
@@ -1,9 +1,9 @@
 /**
  * @file
  *
- * @ingroup lpc24xx
+ * @ingroup lpc24xx_io
  *
- * Input and output module.
+ * @brief Input and output module.
  */
 
 /*
@@ -30,6 +30,16 @@
 extern "C" {
 #endif /* __cplusplus */
 
+/**
+ * @defgroup lpc24xx_io IO Support and Configuration
+ *
+ * @ingroup lpc24xx
+ *
+ * @brief Input and output module.
+ *
+ * @{
+ */
+
 #define LPC24XX_IO_PORT_COUNT 5U
 
 #define LPC24XX_IO_INDEX_MAX (LPC24XX_IO_PORT_COUNT * 32U)
@@ -64,7 +74,7 @@ typedef enum {
   LPC24XX_MODULE_UART,
   LPC24XX_MODULE_USB,
   LPC24XX_MODULE_WDT,
-  LPC24XX_MODULE_NUMBER
+  LPC24XX_MODULE_COUNT
 } lpc24xx_module;
 
 typedef enum {
@@ -159,6 +169,8 @@ static inline bool lpc24xx_gpio_get( unsigned index)
   }
 }
 
+/** @} */
+
 #ifdef __cplusplus
 }
 #endif /* __cplusplus */