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diff --git a/examples/imx7_colibri_m4/low_power_demo/gpio_pins.h b/examples/imx7_colibri_m4/low_power_demo/gpio_pins.h
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+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * o Redistributions of source code must retain the above copyright notice, this list
+ *   of conditions and the following disclaimer.
+ *
+ * o 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.
+ *
+ * o Neither the name of Freescale Semiconductor, Inc. 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 CONTRIBUTORS "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 HOLDER 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.
+ */
+
+#ifndef __GPIO_PINS_H__
+#define __GPIO_PINS_H__
+
+#include "device_imx.h"
+
+/*! @brief i.MX GPIO initialize structure. */
+typedef struct _gpio_config
+{
+    const char        *name;
+    __IO  uint32_t    *muxReg;
+    uint32_t           muxConfig;
+    __IO  uint32_t    *padReg;
+    uint32_t           padConfig;
+    GPIO_Type         *base;
+    uint32_t           pin;
+} gpio_config_t;
+
+#if defined(__cplusplus)
+extern "C" {
+#endif /* __cplusplus */
+
+/*! @brief Configure specific GPIO pin */
+void configure_gpio_pin(gpio_config_t *config);
+
+#endif /* __GPIO_PINS_H__ */
+/*******************************************************************************
+ * EOF
+ ******************************************************************************/