text: /****************************************************************************
   * boards/arm/imxrt/imxrt1060-evk/src/imxrt1060-evk.h
   *
   *   Copyright (C) 2018 Gregory Nutt. All rights reserved.
   *   Authors: Gregory Nutt <gnutt@nuttx.org>
   *            David Sidrane <david_s5@nscdg.com>
   *
   * 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 __BOARDS_ARM_IMXRT_IMXRT1060_EVK_SRC_IMXRT1060_EVK_H
  #define __BOARDS_ARM_IMXRT_IMXRT1060_EVK_SRC_IMXRT1060_EVK_H
  
  /****************************************************************************
   * Included Files
   ****************************************************************************/
  
  #include <nuttx/config.h>
  
  #include <stdint.h>
  #include <stdbool.h>
  
  #include <arch/irq.h>
  #include <nuttx/irq.h>
  
  #include "imxrt_gpio.h"
  #include "imxrt_iomuxc.h"
  
  /****************************************************************************
   * Pre-processor Definitions
   ****************************************************************************/
  
  /* Touchscreen definitions **************************************************/
  
  /* The IMXRT 1050/1060 have connectors for the LCD model RK043FN02H-CT.
   * It comes with the FT5336GQQ (FT5X06) touchscreen chip integrated.
   * FT5X06 is connected to the LPI2C1 bus.
   */
  
  /* LPI2C address of the FT5336GQQ touchscreen chip */
  
  #define FT5X06_I2C_ADDRESS  0x38
  
  /* i.MX RT 1060 GPIO Pin Definitions ****************************************/
  
  /* LEDs */
  
  /* There are four LED status indicators located on the EVK Board.
   * The functions of these LEDs include:
   *
   *   - Main Power Supply(D3)
   *     Green: DC 5V main supply is normal.
   *     Red:   J2 input voltage is over 5.6V.
   *     Off:   The board is not powered.
   *   - Reset RED LED(D15)
   *   - OpenSDA LED(D16)
   *   - USER LED(D18)
   *
   * Only a single LED, D18, is under software control.
   */
  
  #define GPIO_LED        (GPIO_OUTPUT | IOMUX_LED_DEFAULT | \
                           GPIO_OUTPUT_ZERO | GPIO_PORT1 | GPIO_PIN9)  /* AD_BO_09 */
  
  #define LED_DRIVER_PATH "/dev/userleds"
  
  /* Buttons ******************************************************************/
  
  /* The IMXRT board has one external user button
   *
   * 1. SW8 (IRQ88)   GPIO5-00
   */
  
  #define GPIO_SW8       (GPIO_INTERRUPT | GPIO_INTBOTH_EDGES | \
                          IOMUX_SW_DEFAULT | \
                          GPIO_PORT5 | GPIO_PIN0)    /* WAKEUP */
  
  #define GPIO_SW8_INT   (_IMXRT_GPIO5_0_15_BASE+0)
  
  /* LCD Backlight */
  
  #define GPIO_LCD_BL     (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | GPIO_PORT2 | \
                           GPIO_PIN31 | IOMUX_LCD_BL_DEFAULT)
  
  /* Ethernet */
  
  /* Ethernet Interrupt: GPIOAD_B0_10
   *
   * This pin has a week pull-up within the PHY, is open-drain, and requires
   * an external 1k ohm pull-up resistor (present on the EVK).  A falling
   * edge then indicates a change in state of the PHY.
   */
  
  #define GPIO_ENET_INT   (IOMUX_ENET_INT_DEFAULT | \
                           GPIO_PORT1 | GPIO_PIN10)    /* AD_B0_10 */
  #define GPIO_ENET_IRQ   IMXRT_IRQ_GPIO1_10
  
  /* Ethernet Reset:  GPIOAD_B0_09
   *
   * The #RST uses inverted logic.  The initial value of zero will put the
   * PHY into the reset state.
   */
  
  #define GPIO_ENET_RST   (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | \
                           GPIO_PORT1 | GPIO_PIN9 | IOMUX_ENET_RST_DEFAULT) /* AD_B0_09 */
  
  #ifdef CONFIG_ETH0_PHY_KSZ8081
  #  ifdef GPIO_LED
  #    warning LED interferes with ETH reset unless R323 is removed.
  #  endif
  #endif
  
  /* LPSPI1 CS:  GPIO_SD_B0_01 */
  
  #define IOMUX_LPSPI1_CS (IOMUX_SLEW_FAST | IOMUX_DRIVE_50OHM | \
                           IOMUX_SPEED_MEDIUM | IOMUX_PULL_UP_100K | \
                           _IOMUX_PULL_ENABLE)
  #define GPIO_LPSPI1_CS  (GPIO_OUTPUT | GPIO_OUTPUT_ONE | \
                           GPIO_PORT3 | GPIO_PIN13 | IOMUX_LPSPI1_CS)
  
  /* LPSPI3 CS:  GPIO_AD_B0_03 */
  
  #define IOMUX_LPSPI3_CS      (IOMUX_SLEW_FAST | IOMUX_DRIVE_50OHM | \
                                IOMUX_SPEED_MEDIUM | IOMUX_PULL_UP_100K | \
                                _IOMUX_PULL_ENABLE)
  #define GPIO_LPSPI3_CS       (GPIO_OUTPUT | GPIO_OUTPUT_ONE | \
                                GPIO_PORT1 | GPIO_PIN3 | IOMUX_LPSPI3_CS) /* GPIO_AD_B0_03 */
  
  /* MMC/SD */
  
  #define IOMUX_MMCSD_EN       (IOMUX_SLEW_FAST | IOMUX_DRIVE_50OHM | \
                                IOMUX_SPEED_MEDIUM | IOMUX_PULL_UP_100K | \
                                _IOMUX_PULL_ENABLE)
  #define GPIO_MMCSD_EN        (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | \
                                GPIO_PORT3 | GPIO_PIN2 | IOMUX_MMCSD_EN)
  
  /* Touchscreen
   *
   * Interrupt line: GPIO_AD_B0_11
   *
   * The interrupt line coming from the touchscreen FT5336GQQ IC.
   * The touchscreen IC is integrated into the optional RK043FN02H-CT LCD panel
   * and it's connected to the LPI2C1 bus.
   *
   * Reset line: GPIO_AD_B0_02
   *
   * The reset line is active low.
   */
  
  #define GPIO_FT5X06_INTR     IMXRT_IRQ_GPIO1_11
  
  #define IOMUX_FT5X06_RST     (IOMUX_PULL_NONE | IOMUX_CMOS_OUTPUT | \
                                IOMUX_DRIVE_40OHM | IOMUX_SPEED_MEDIUM | \
                                IOMUX_SLEW_SLOW)                            /* AD_B0_11 */
  #define GPIO_FT5X06_CTRSTn   (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | \
                                GPIO_PORT1 | GPIO_PIN2 | IOMUX_FT5X06_RST)  /* AD_B0_02 */
  
  /* Test Pins ****************************************************************/
  
  #define BOARD_NGPIOIN   0 /* Amount of GPIO Input pins */
  #define BOARD_NGPIOOUT  4 /* Amount of GPIO Output pins */
  #define BOARD_NGPIOINT  0 /* Amount of GPIO Input w/ Interruption pins */
  
  #define GPIO_GOUT1      (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | IOMUX_GOUT_DEFAULT | \
                           GPIO_PORT1 | GPIO_PIN19)
  
  #define GPIO_GOUT2      (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | IOMUX_GOUT_DEFAULT | \
                           GPIO_PIN18 | GPIO_PORT1)
  
  #define GPIO_GOUT3      (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | IOMUX_GOUT_DEFAULT | \
                           GPIO_PIN10 | GPIO_PORT1)
  
  #define GPIO_GOUT4      (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | IOMUX_GOUT_DEFAULT | \
                           GPIO_PIN9 | GPIO_PORT1)
  
  /* USB OTG ID Pin： GPIO_AD_B1_02 */
  
  #define GPIO_USBOTG_ID  (GPIO_USB_OTG1_ID_1 | IOMUX_USBOTG_ID_DEFAULT)      /* AD_B1_02 */
  
  /****************************************************************************
   * Public Types
   ****************************************************************************/
  
  /****************************************************************************
   * Public data
   ****************************************************************************/
  
  #ifndef __ASSEMBLY__
  
  /****************************************************************************
   * Name: imxrt_bringup
   *
   * Description:
   *   Bring up board features
   *
   ****************************************************************************/
  
  #if defined(CONFIG_LIB_BOARDCTL) || defined(CONFIG_BOARD_LATE_INITIALIZE)
  int imxrt_bringup(void);
  #endif
  
  /****************************************************************************
   * Name: imxrt_spidev_initialize
   *
   * Description:
   *   Called to configure SPI chip select GPIO pins for the i.MXRT1050 EVK.
   *
   ****************************************************************************/
  
  void imxrt_spidev_initialize(void);
  
  /****************************************************************************
   * Name: imxrt_mmcsd_spi_initialize
   *
   * Description:
   *   Initialize SPI-based SD card and card detect thread.
   *
   ****************************************************************************/
  
  #ifdef CONFIG_MMCSD_SPI
  int imxrt_mmcsd_spi_initialize(int minor)
  #endif
  
  /****************************************************************************
   * Name: imxrt_autoled_initialize
   *
   * Description:
   *   Initialize NuttX-controlled LED logic
   *
   * Input Parameters:
   *   None
   *
   * Returned Value:
   *   None
   *
   ****************************************************************************/
  
  #ifdef CONFIG_ARCH_LEDS
  void imxrt_autoled_initialize(void);
  #endif
  
  /****************************************************************************
   * Name: imxrt_gpio_initialize
   *
   * Description:
   *   Initialize GPIO drivers for use with /apps/examples/gpio
   *
   ****************************************************************************/
  
  #ifdef CONFIG_DEV_GPIO
  int imxrt_gpio_initialize(void);
  #endif
  
  /****************************************************************************
   * Name: imxrt_can_setup
   *
   * Description:
   *  Initialize CAN and register the CAN device
   *
   ****************************************************************************/
  
  #ifdef CONFIG_IMXRT_FLEXCAN
  int imxrt_can_setup(void);
  #endif
  
  /****************************************************************************
   * Name: imxrt_adc_initialize
   *
   * Description:
   *   Initialize ADC drivers
   *
   ****************************************************************************/
  
  #ifdef CONFIG_IMXRT_ADC
  int imxrt_adc_initialize(void);
  #endif
  
  /****************************************************************************
   * Name: imxrt_ft5x06_register
   *
   * Description:
   *   Initialize ft5x06 IC touchscreen driver
   *
   ****************************************************************************/
  
  #ifdef CONFIG_INPUT_FT5X06
  int imxrt_ft5x06_register(void);
  #endif
  
  /****************************************************************************
   * Name: imxrt_backlight
   *
   * Description:
   *   Initialize the backlight pins of the LCD and turn it ON
   *
   ****************************************************************************/
  
  #ifdef CONFIG_IMXRT_LCD
  void imxrt_lcd_initialize(void);
  #endif
  
  #if defined(CONFIG_IMXRT_USBOTG) || defined(CONFIG_USBHOST)
  int imxrt_usbhost_initialize(void);
  #endif
  
  #endif /* __ASSEMBLY__ */
  #endif /* __BOARDS_ARM_IMXRT1060_EVK_SRC_IMXRT1060_EVK_H */
  