202 lines
6.4 KiB
C
202 lines
6.4 KiB
C
/****************************************************************************
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* boards/arm/imxrt/teensy-4.x/src/teensy-4.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __BOARDS_ARM_IMXRT_TEENSY_4X_SRC_TEENSY_4_H
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# define __BOARDS_ARM_IMXRT_TEENSY_4X_SRC_TEENSY_4_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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# include <nuttx/config.h>
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# include <stdint.h>
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# include <stdbool.h>
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# include <arch/irq.h>
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# include <nuttx/irq.h>
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# include "imxrt_gpio.h"
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# include "imxrt_iomuxc.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/* i.MX RT 1060 GPIO Pin Definitions ****************************************/
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/* LEDs */
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/* There are two LED status indicators located on the Teensy 4.x board.
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* The functions of these LEDs include:
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*
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* - RED LED (loading status)
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* - dim: ready
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* - bright: writing
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* - blink: no USB
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* - USER LED (D3)
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*
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* Only a single LED, D3, is under software control.
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*/
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# define GPIO_LED (GPIO_OUTPUT | IOMUX_LED_DEFAULT | \
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GPIO_OUTPUT_ZERO | GPIO_PORT2 | GPIO_PIN3) /* BO_03 */
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# define LED_DRIVER_PATH "/dev/userleds"
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/* LPSPI3 CS: GPIO_AD_B1_12 */
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# define IOMUX_LPSPI3_CS (IOMUX_SLEW_FAST | IOMUX_DRIVE_50OHM | \
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IOMUX_SPEED_MEDIUM | IOMUX_PULL_UP_100K | \
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_IOMUX_PULL_ENABLE)
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# define GPIO_LPSPI3_CS (GPIO_OUTPUT | GPIO_OUTPUT_ONE | \
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GPIO_PORT1 | GPIO_PIN28 | IOMUX_LPSPI3_CS)
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/* LPSPI4 CS: GPIO_B0_00 */
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# define IOMUX_LPSPI4_CS (IOMUX_SLEW_FAST | IOMUX_DRIVE_50OHM | \
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IOMUX_SPEED_MEDIUM | IOMUX_PULL_UP_100K | \
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_IOMUX_PULL_ENABLE)
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# define GPIO_LPSPI4_CS (GPIO_OUTPUT | GPIO_OUTPUT_ONE | \
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GPIO_PORT2 | GPIO_PIN0 | IOMUX_LPSPI4_CS)
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/* LCD dispay */
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# define GPIO_LCD_RST (GPIO_OUTPUT | GPIO_OUTPUT_ONE | \
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GPIO_PORT2 | GPIO_PIN18 | IOMUX_LPSPI4_CS) /* B1_02 */
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# define GPIO_LCD_CD (GPIO_OUTPUT | GPIO_OUTPUT_ONE | \
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GPIO_PORT2 | GPIO_PIN19 | IOMUX_LPSPI4_CS) /* B1_03 */
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/* USB OTG ID Pin： GPIO_AD_B1_02 */
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#define GPIO_USBOTG_ID (GPIO_USB_OTG1_ID_1 | IOMUX_USBOTG_ID_DEFAULT) /* AD_B1_02 */
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/* Ethernet */
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/* Ethernet Interrupt: GPIO_B0_15
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*
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* This pin has a week pull-up within the PHY, is open-drain, and requires
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* an external 1k ohm pull-up resistor (present on the EVK). A falling
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* edge then indicates a change in state of the PHY.
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*/
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#define GPIO_ENET_INT (IOMUX_ENET_INT_DEFAULT | \
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GPIO_PORT2 | GPIO_PIN15) /* B0_15 */
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#define GPIO_ENET_IRQ IMXRT_IRQ_GPIO2_15
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/* Ethernet Reset: GPIO_B0_14
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*
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* The #RST uses inverted logic. The initial value of zero will put the
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* PHY into the reset state.
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*/
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#define GPIO_ENET_RST (GPIO_OUTPUT | GPIO_OUTPUT_ZERO | \
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GPIO_PORT2 | GPIO_PIN14 | IOMUX_ENET_RST_DEFAULT) /* B0_14 */
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/****************************************************************************
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* Public Data
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****************************************************************************/
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# ifndef __ASSEMBLY__
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/****************************************************************************
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* Name: imxrt_bringup
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*
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* Description:
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* Bring up board features
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*
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****************************************************************************/
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# if defined(CONFIG_LIB_BOARDCTL) || defined(CONFIG_BOARD_LATE_INITIALIZE)
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int imxrt_bringup(void);
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# endif
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/****************************************************************************
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* Name: imxrt_spidev_initialize
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*
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* Description:
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* Called to configure SPI chip select GPIO pins for the i.MXRT1050 EVK.
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*
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****************************************************************************/
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void imxrt_spidev_initialize(void);
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/****************************************************************************
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* Name: imxrt_can_setup
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*
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* Description:
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* Initialize CAN and register the CAN device
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*
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****************************************************************************/
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#ifdef CONFIG_IMXRT_FLEXCAN
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int imxrt_can_setup(void);
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#endif
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/****************************************************************************
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* Name: imxrt_adc_initialize
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*
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* Description:
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* Initialize ADC drivers
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*
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****************************************************************************/
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#ifdef CONFIG_IMXRT_ADC
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int imxrt_adc_initialize(void);
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#endif
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/****************************************************************************
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* Name: imxrt_i2c_setup
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*
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* Description:
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* Choose which I2C driver should be initialize
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*
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****************************************************************************/
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#ifdef CONFIG_IMXRT_LPI2C
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void imxrt_i2c_setup(void);
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#endif
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/****************************************************************************
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* Name: imxrt_autoled_initialize
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*
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* Description:
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* Initialize NuttX-controlled LED logic
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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****************************************************************************/
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#ifdef CONFIG_ARCH_LEDS
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void imxrt_autoled_initialize(void);
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#endif
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#endif /* __ASSEMBLY__ */
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#endif /* __BOARDS_ARM_TEENSY_4X_SRC_TEENSY_4_H */
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