arch/arm/src/imxrt/chip: Add pin multiplexing header files.

arch/arm/src/imxrt/chip/imxrt_iomuxc.h

@@ -230,7 +230,6 @@
 #define IMXRT_PADMUX_OFFSET(n)                      (0x0014 + ((unsigned int)(n) << 2))
 #define IMXRT_PADMUX_OFFSET_SNVS(n)                 ((unsigned int)(n) << 2)
 
-
 #define IMXRT_PADMUX_GPIO_EMC_00_OFFSET             0x0014
 #define IMXRT_PADMUX_GPIO_EMC_01_OFFSET             0x0018
 #define IMXRT_PADMUX_GPIO_EMC_02_OFFSET             0x001c

arch/arm/src/imxrt/chip/imxrt_pinmux.h

@@ -0,0 +1,51 @@
+/************************************************************************************
+ * arch/arm/src/imxrt/chip/imxrt_pinmux.h
+ *
+ *   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 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 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.
+ *
+ ************************************************************************************/
+
+#ifndef __ARCH_ARM_SRC_IMXRT_CHIP_IMXRT_PINMUX_H
+#define __ARCH_ARM_SRC_IMXRT_CHIP_IMXRT_PINMUX_H
+
+/************************************************************************************
+ * Included Files
+ ************************************************************************************/
+
+#include <nuttx/config.h>
+
+#if defined(CONFIG_ARCH_FAMILY_IMXRT105x)
+#  include "chip/imxrt105x_pinmux.h"
+#else
+#  error Unrecognized i.MX RT architecture
+#endif
+
+#endif /* __ARCH_ARM_SRC_IMXRT_CHIP_IMXRT_PINMUX_H */

drivers/leds/rgbled.c

@@ -369,17 +369,13 @@ static ssize_t rgbled_write(FAR struct file *filep, FAR const char *buffer,
   /* Convert 8bit to 16bits */
 
 #ifdef CONFIG_RGBLED_LIGHTNESS_CORRECTION
-
   red   = rgbled_lightness((unsigned char)red);
   green = rgbled_lightness((unsigned char)green);
   blue  = rgbled_lightness((unsigned char)blue);
-
 #else
-
   red   = (red   << 8) | red;
   green = (green << 8) | green;
   blue  = (blue  << 8) | blue;
-
 #endif
 
 #ifdef CONFIG_RGBLED_INVERT
@@ -389,7 +385,6 @@ static ssize_t rgbled_write(FAR struct file *filep, FAR const char *buffer,
 #endif
 
 #ifdef CONFIG_PWM_MULTICHAN
-
   memset(&pwm, 0, sizeof(struct pwm_info_s));
   pwm.frequency = 100;