diff --git a/os/hal/ports/STM32/STM32MP1xx/stm32_isr.c b/os/hal/ports/STM32/STM32MP1xx/stm32_isr.c
new file mode 100644
index 000000000..f6b87b743
--- /dev/null
+++ b/os/hal/ports/STM32/STM32MP1xx/stm32_isr.c
@@ -0,0 +1,111 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+    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    STM32MP1xx/stm32_isr.c
+ * @brief   STM32MP1xx ISR handler code.
+ *
+ * @addtogroup STM32MP1xx_ISR
+ * @{
+ */
+
+#include "hal.h"
+
+/*===========================================================================*/
+/* Driver local definitions.                                                 */
+/*===========================================================================*/
+
+#define exti_serve_irq(pr, channel) {                                       \
+                                                                            \
+  if ((pr) & (1U << (channel))) {                                           \
+    _pal_isr_code(channel);                                                 \
+  }                                                                         \
+}
+
+/*===========================================================================*/
+/* Driver exported variables.                                                */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions.                                                   */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers.                                                */
+/*===========================================================================*/
+
+#include "stm32_tim1.inc"
+#include "stm32_tim2.inc"
+#include "stm32_tim3.inc"
+#include "stm32_tim4.inc"
+#include "stm32_tim5.inc"
+#include "stm32_tim6.inc"
+#include "stm32_tim7.inc"
+#include "stm32_tim8.inc"
+#include "stm32_tim12.inc"
+#include "stm32_tim13.inc"
+#include "stm32_tim14.inc"
+#include "stm32_tim15.inc"
+#include "stm32_tim16.inc"
+#include "stm32_tim17.inc"
+
+/*===========================================================================*/
+/* Driver exported functions.                                                */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables IRQ sources.
+ *
+ * @notapi
+ */
+void irqInit(void) {
+
+  tim1_irq_init();
+  tim2_irq_init();
+  tim3_irq_init();
+  tim4_irq_init();
+  tim5_irq_init();
+  tim6_irq_init();
+  tim7_irq_init();
+  tim8_irq_init();
+  tim12_irq_init();
+  tim13_irq_init();
+  tim14_irq_init();
+  tim15_irq_init();
+  tim16_irq_init();
+  tim17_irq_init();
+}
+
+/**
+ * @brief   Disables IRQ sources.
+ *
+ * @notapi
+ */
+void irqDeinit(void) {
+
+  tim12_irq_deinit();
+  tim13_irq_deinit();
+  tim14_irq_deinit();
+  tim15_irq_deinit();
+  tim16_irq_deinit();
+  tim17_irq_deinit();
+}
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32MP1xx/stm32_isr.h b/os/hal/ports/STM32/STM32MP1xx/stm32_isr.h
new file mode 100644
index 000000000..8e59badb5
--- /dev/null
+++ b/os/hal/ports/STM32/STM32MP1xx/stm32_isr.h
@@ -0,0 +1,124 @@
+/*
+    ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+    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    STM32MP1xx/stm32_isr.h
+ * @brief   STM32MP1xx ISR handler header.
+ *
+ * @addtogroup STM32MP1xx_ISR
+ * @{
+ */
+
+#ifndef STM32_ISR_H
+#define STM32_ISR_H
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/**
+ * @name    ISRs suppressed in standard drivers
+ * @{
+ */
+#define STM32_TIM1_SUPPRESS_ISR
+#define STM32_TIM2_SUPPRESS_ISR
+#define STM32_TIM3_SUPPRESS_ISR
+#define STM32_TIM4_SUPPRESS_ISR
+#define STM32_TIM5_SUPPRESS_ISR
+#define STM32_TIM6_SUPPRESS_ISR
+#define STM32_TIM7_SUPPRESS_ISR
+#define STM32_TIM8_SUPPRESS_ISR
+#define STM32_TIM12_SUPPRESS_ISR
+#define STM32_TIM13_SUPPRESS_ISR
+#define STM32_TIM14_SUPPRESS_ISR
+#define STM32_TIM15_SUPPRESS_ISR
+#define STM32_TIM16_SUPPRESS_ISR
+#define STM32_TIM17_SUPPRESS_ISR
+
+#define STM32_USART2_SUPPRESS_ISR
+#define STM32_USART3_SUPPRESS_ISR
+#define STM32_UART4_SUPPRESS_ISR
+#define STM32_UART5_SUPPRESS_ISR
+#define STM32_USART6_SUPPRESS_ISR
+#define STM32_UART7_SUPPRESS_ISR
+#define STM32_UART8_SUPPRESS_ISR
+/** @} */
+
+/**
+ * @name    ISR names and numbers
+ * @{
+ */
+/*
+ * ADC unit.
+ */
+
+/*
+ * DMA unit.
+ */
+
+/*
+ * EXTI unit.
+ */
+
+/*
+ * FDCAN units.
+ */
+
+/*
+ * I2C units.
+ */
+
+/*
+ * TIM units.
+ */
+
+/*
+ * USART/UART units.
+ */
+/** @} */
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void irqInit(void);
+  void irqDeinit(void);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* STM32_ISR_H */
+
+/** @} */
diff --git a/os/hal/ports/STM32/STM32MP1xx/stm32_registry.h b/os/hal/ports/STM32/STM32MP1xx/stm32_registry.h
index 6a73e823b..96f850197 100644
--- a/os/hal/ports/STM32/STM32MP1xx/stm32_registry.h
+++ b/os/hal/ports/STM32/STM32MP1xx/stm32_registry.h
@@ -18,7 +18,7 @@
  * @file    STM32MP1xx/stm32_registry.h
  * @brief   STM32MP1xx capabilities registry.
  *
- * @addtogroup HAL
+ * @addtogroup STM32MP1xx_REGISTRY
  * @{
  */
 
@@ -76,6 +76,10 @@
 /* ETH attributes.*/
 
 /* EXTI attributes.*/
+#define STM32_EXTI_NUM_LINES                76
+#define STM32_EXTI_IMR1_MASK                0xFFFE0000U
+#define STM32_EXTI_IMR2_MASK                0xFFFFFFFFU
+#define STM32_EXTI_IMR3_MASK                0xFFFFFDE9U
 
 /* Flash attributes.*/