diff --git a/configs/imxrt1050-evk/include/board.h b/configs/imxrt1050-evk/include/board.h
index 286c59143a5..7de9c33c22d 100644
--- a/configs/imxrt1050-evk/include/board.h
+++ b/configs/imxrt1050-evk/include/board.h
@@ -138,6 +138,14 @@
  */
 
 /* Button definitions ***************************************************************/
+/* The IMXRT board has one external user button
+ *
+ * 1. SW8 (IRQ0)   GPIO5-00
+ */
+
+#define BUTTON_SW8        0
+
+#define BUTTON_SW8_BIT    (1 << BUTTON_SW8)
 
 /* PIO Disambiguation ***************************************************************/
 
diff --git a/configs/imxrt1050-evk/src/imxrt1050-evk.h b/configs/imxrt1050-evk/src/imxrt1050-evk.h
index 9c4b6627366..8e11ae22e18 100644
--- a/configs/imxrt1050-evk/src/imxrt1050-evk.h
+++ b/configs/imxrt1050-evk/src/imxrt1050-evk.h
@@ -74,6 +74,18 @@
 #define GPIO_LED0     (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | \
                        GPIO_PORT1 | GPIO_PIN9)
 
+/* Buttons
+ *
+ * The IMXRT board has one external user button
+ *
+ * 1. SW8 (IRQ0)   GPIO5-00
+ *
+ * REVISIT: Button is set to Port1 pin24 for now.
+ */
+
+#define GPIO_SW8      (GPIO_INTERRUPT | GPIO_INT_FALLINGEDGE | \
+                       GPIO_PORT1 | GPIO_PIN24)
+
 /************************************************************************************
  * Public Types
  ************************************************************************************/
diff --git a/configs/imxrt1050-evk/src/imxrt_buttons.c b/configs/imxrt1050-evk/src/imxrt_buttons.c
new file mode 100644
index 00000000000..5c4290f1c03
--- /dev/null
+++ b/configs/imxrt1050-evk/src/imxrt_buttons.c
@@ -0,0 +1,143 @@
+/****************************************************************************
+ * configs/imrtx1050-evk/src/imxrt_buttons.c
+ *
+ *   Copyright (C) 2018 Gregory Nutt. All rights reserved.
+ *   Author: Gregory Nutt <gnutt@nuttx.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ * 3. Neither the name NuttX nor the names of its contributors may be
+ *    used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORSMULTILINK 
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <sys/types.h>
+#include <errno.h>
+
+#include <nuttx/arch.h>
+#include <nuttx/irq.h>
+#include <arch/board/board.h>
+
+#include "up_arch.h"
+
+#include "imxrt_config.h"
+#include "imxrt_irq.h"
+#include "imxrt_gpio.h"
+#include "imxrt1050-evk.h"
+
+#ifdef CONFIG_ARCH_BUTTONS
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* The IMXRT has 1 user button (SW8)):
+ *
+ * 1. SW8 (IRQ0)   GPIO5-00
+ */
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+/****************************************************************************
+ * Name: board_button_initialize
+ *
+ * Description:
+ *   board_button_initialize() must be called to initialize button resources.
+ *   After that, board_buttons() may be called to collect the current state
+ *   of all buttons or board_button_irq() may be called to register button
+ *   interrupt handlers.
+ *
+ ****************************************************************************/
+
+void board_button_initialize(void)
+{
+   /* Configure the button as input */
+
+   imxrt_config_gpio(GPIO_SW8);
+}
+
+/****************************************************************************
+ * Name: board_buttons
+ *
+ * Description:
+ *   After board_button_initialize() has been called, board_buttons() may be
+ *   called to collect the state of all buttons.  board_buttons() returns an
+ *   8-bit bit set with each bit associated with a button.  See the
+ *   BUTTON_*_BIT  definitions in board.h for the meaning of each bit.
+ *
+ ****************************************************************************/
+
+uint8_t board_buttons(void)
+{
+  uint8_t ret = 0;
+
+  if (!imxrt_gpio_read(GPIO_SW8))
+    {
+      ret |= BUTTON_SW8_BIT;
+    }
+
+  return ret;
+}
+
+/****************************************************************************
+ * Name: board_button_irq
+ *
+ * Description:
+ *   board_button_irq() may be called to register an interrupt handler that
+ *   will be called when a button is depressed or released.  The ID value is
+ *   a button enumeration value that uniquely identifies a button resource.
+ *   See the BUTTON_* definitions in board.h for the meaning of enumeration
+ *   value.
+ *
+ ****************************************************************************/
+
+#ifdef CONFIG_ARCH_IRQBUTTONS
+int board_button_irq(int id, xcpt_t irqhandler)
+{
+  int ret = -EINVAL;
+
+  /* The button has already been configured as an interrupting input (by
+   * board_button_initialize() above).
+   *
+   * Attach the new button handler.
+   */
+
+  ret = irq_attach(id, irqhandler, NULL);
+
+  /* Then make sure that interrupts are enabled on the pin */
+
+  up_enable_irq(id);
+  return ret;
+}
+#endif
+#endif /* CONFIG_ARCH_BUTTONS */