diff --git a/os/hal/ports/KINETIS/K20x/hal_lld.h b/os/hal/ports/KINETIS/K20x/hal_lld.h
index b2939df0b..f7b690308 100644
--- a/os/hal/ports/KINETIS/K20x/hal_lld.h
+++ b/os/hal/ports/KINETIS/K20x/hal_lld.h
@@ -1,5 +1,5 @@
 /*
-    ChibiOS/RT - Copyright (C) 2006-2014 Giovanni Di Sirio
+    ChibiOS/RT - Copyright (C) 2014 Fabio Utzig
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
@@ -26,6 +26,7 @@
 #define _HAL_LLD_H_
 
 #include "mk20d5.h"
+#include "kinetis_registry.h"
 
 /*===========================================================================*/
 /* Driver constants.                                                         */
diff --git a/os/hal/ports/KINETIS/K20x/kinetis_registry.h b/os/hal/ports/KINETIS/K20x/kinetis_registry.h
new file mode 100644
index 000000000..004049cc7
--- /dev/null
+++ b/os/hal/ports/KINETIS/K20x/kinetis_registry.h
@@ -0,0 +1,49 @@
+/*
+    ChibiOS/HAL - Copyright (C) 2014 Fabio Utzig
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/**
+ * @file    KL2x/kinetis_registry.h
+ * @brief   KL2x capabilities registry.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _KINETIS_REGISTRY_H_
+#define _KINETIS_REGISTRY_H_
+
+/*===========================================================================*/
+/* Platform capabilities.                                                    */
+/*===========================================================================*/
+
+/**
+ * @name    KL2x capabilities
+ * @{
+ */
+/* EXT attributes.*/
+
+#define KINETIS_PORTA_IRQ_VECTOR    VectorE0
+#define KINETIS_PORTB_IRQ_VECTOR    VectorE4
+#define KINETIS_PORTC_IRQ_VECTOR    VectorE8
+#define KINETIS_PORTD_IRQ_VECTOR    VectorEC
+#define KINETIS_PORTE_IRQ_VECTOR    VectorF0
+
+
+/** @} */
+
+#endif /* _KINETIS_REGISTRY_H_ */
+
+/** @} */
diff --git a/os/hal/ports/KINETIS/K20x/platform.mk b/os/hal/ports/KINETIS/K20x/platform.mk
index afe7c21ad..1052adc65 100644
--- a/os/hal/ports/KINETIS/K20x/platform.mk
+++ b/os/hal/ports/KINETIS/K20x/platform.mk
@@ -5,11 +5,10 @@ PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
               ${CHIBIOS}/os/hal/ports/KINETIS/K20x/serial_lld.c \
               ${CHIBIOS}/os/hal/ports/KINETIS/K20x/spi_lld.c \
               ${CHIBIOS}/os/hal/ports/KINETIS/K20x/i2c_lld.c \
+              ${CHIBIOS}/os/hal/ports/KINETIS/LLD/ext_lld.c \
               ${CHIBIOS}/os/hal/ports/KINETIS/K20x/st_lld.c
 
 # Required include directories
 PLATFORMINC = ${CHIBIOS}/os/hal/ports/common/ARMCMx \
-              ${CHIBIOS}/os/hal/ports/KINETIS/K20x
-
-
-
+              ${CHIBIOS}/os/hal/ports/KINETIS/K20x \
+              ${CHIBIOS}/os/hal/ports/KINETIS/LLD
diff --git a/os/hal/ports/KINETIS/KL2x/hal_lld.h b/os/hal/ports/KINETIS/KL2x/hal_lld.h
index a55283c8f..4be6a041e 100644
--- a/os/hal/ports/KINETIS/KL2x/hal_lld.h
+++ b/os/hal/ports/KINETIS/KL2x/hal_lld.h
@@ -1,5 +1,5 @@
 /*
-    ChibiOS/RT - Copyright (C) 2006-2014 Giovanni Di Sirio
+    ChibiOS/RT - Copyright (C) 2014 Fabio Utzig
 
     Licensed under the Apache License, Version 2.0 (the "License");
     you may not use this file except in compliance with the License.
@@ -26,6 +26,7 @@
 #define _HAL_LLD_H_
 
 #include "kl25z.h"
+#include "kinetis_registry.h"
 
 /*===========================================================================*/
 /* Driver constants.                                                         */
diff --git a/os/hal/ports/KINETIS/KL2x/kinetis_registry.h b/os/hal/ports/KINETIS/KL2x/kinetis_registry.h
new file mode 100644
index 000000000..b07f4c18e
--- /dev/null
+++ b/os/hal/ports/KINETIS/KL2x/kinetis_registry.h
@@ -0,0 +1,45 @@
+/*
+    ChibiOS/HAL - Copyright (C) 2014 Fabio Utzig
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/**
+ * @file    KL2x/kinetis_registry.h
+ * @brief   KL2x capabilities registry.
+ *
+ * @addtogroup HAL
+ * @{
+ */
+
+#ifndef _KINETIS_REGISTRY_H_
+#define _KINETIS_REGISTRY_H_
+
+/*===========================================================================*/
+/* Platform capabilities.                                                    */
+/*===========================================================================*/
+
+/**
+ * @name    KL2x capabilities
+ * @{
+ */
+
+/* EXT attributes.*/
+#define KINETIS_PORTA_IRQ_VECTOR    VectorB8
+#define KINETIS_PORTD_IRQ_VECTOR    VectorBC
+
+/** @} */
+
+#endif /* _KINETIS_REGISTRY_H_ */
+
+/** @} */
diff --git a/os/hal/ports/KINETIS/KL2x/platform.mk b/os/hal/ports/KINETIS/KL2x/platform.mk
index 456bc706a..1c7e9296e 100644
--- a/os/hal/ports/KINETIS/KL2x/platform.mk
+++ b/os/hal/ports/KINETIS/KL2x/platform.mk
@@ -3,8 +3,10 @@ PLATFORMSRC = ${CHIBIOS}/os/hal/ports/common/ARMCMx/nvic.c \
               ${CHIBIOS}/os/hal/ports/KINETIS/KL2x/hal_lld.c \
               ${CHIBIOS}/os/hal/ports/KINETIS/KL2x/pal_lld.c \
               ${CHIBIOS}/os/hal/ports/KINETIS/KL2x/serial_lld.c \
+              ${CHIBIOS}/os/hal/ports/KINETIS/LLD/ext_lld.c \
               ${CHIBIOS}/os/hal/ports/KINETIS/KL2x/st_lld.c
 
 # Required include directories
 PLATFORMINC = ${CHIBIOS}/os/hal/ports/common/ARMCMx \
-              ${CHIBIOS}/os/hal/ports/KINETIS/KL2x
+              ${CHIBIOS}/os/hal/ports/KINETIS/KL2x \
+              ${CHIBIOS}/os/hal/ports/KINETIS/LLD