rt-thread/bsp/imx/imx6ull-smart/drivers/drv_spi.h

/*
 * Copyright (c) 2006-2023, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 * 2021-01-13     Lyons        first version
 * 2021-06-23     RiceChen     refactor
 */

#ifndef __DRV_SPI_H__
#define __DRV_SPI_H__

#include <board.h>
#include "drv_common.h"

#include "fsl_iomuxc.h"
#include "fsl_clock.h"
#include "fsl_ecspi.h"

struct imx6ull_spi_cs
{
    rt_uint32_t pin;
};

struct imx6ull_spi_config
{
    ECSPI_Type *ECSPI;
    char *name;

    rt_uint32_t clk_ip_name;

    struct imx6ull_iomuxc clk_gpio;
    struct imx6ull_iomuxc miso_gpio;
    struct imx6ull_iomuxc mosi_gpio;
};

struct imx6ull_spi_bus
{
    struct rt_spi_bus parent;
    struct imx6ull_spi_config *config;
};

#ifdef BSP_USING_SPI1
#define SPI1_BUS_CONFIG                                                 \
    {                                                                   \
        .ECSPI       = ECSPI1,                                          \
        .name        = "spi1",                                          \
        .clk_ip_name = kCLOCK_Ecspi1,                                   \
        .clk_gpio    = {IOMUXC_CSI_DATA04_ECSPI1_SCLK, 0, 0X10B1},      \
        .miso_gpio   = {IOMUXC_CSI_DATA07_ECSPI1_MISO, 0, 0X10B1},      \
        .mosi_gpio   = {IOMUXC_CSI_DATA06_ECSPI1_MOSI, 0, 0X10B1},      \
    }
#endif /* BSP_USING_SPI1 */

#ifdef BSP_USING_SPI2
#define SPI2_BUS_CONFIG                                                 \
    {                                                                   \
        .ECSPI       = ECSPI2,                                          \
        .name        = "spi2",                                          \
        .clk_ip_name = kCLOCK_Ecspi2,                                   \
        .clk_gpio    = {IOMUXC_UART4_TX_DATA_ECSPI2_SCLK, 0, 0X10B1},   \
        .miso_gpio   = {IOMUXC_UART5_RX_DATA_ECSPI2_MISO, 0, 0X10B1},   \
        .mosi_gpio   = {IOMUXC_UART5_TX_DATA_ECSPI2_MOSI, 0, 0X10B1},   \
    }

#endif /* BSP_USING_SPI2 */

#ifdef BSP_USING_SPI3
#define SPI3_BUS_CONFIG                                                 \
    {                                                                   \
        .ECSPI       = ECSPI3,                                          \
        .name        = "spi3",                                          \
        .clk_ip_name = kCLOCK_Ecspi3,                                   \
        .clk_gpio    = {IOMUXC_UART2_RX_DATA_ECSPI3_SCLK, 0, 0X10B1},   \
        .miso_gpio   = {IOMUXC_UART2_RTS_B_ECSPI3_MISO,   0, 0X10B1},   \
        .mosi_gpio   = {IOMUXC_UART2_CTS_B_ECSPI3_MOSI,   0, 0X10B1},   \
    }

#endif /* BSP_USING_SPI3 */

#ifdef BSP_USING_SPI4
#define SPI4_BUS_CONFIG                                                 \
    {                                                                   \
        .ECSPI       = ECSPI4,                                          \
        .name        = "spi4",                                          \
        .clk_ip_name = kCLOCK_Ecspi4,                                   \
        .clk_gpio    = {IOMUXC_ENET2_TX_DATA1_ECSPI4_SCLK, 0, 0X10B1},  \
        .miso_gpio   = {IOMUXC_ENET2_TX_CLK_ECSPI4_MISO,   0, 0X10B1},  \
        .mosi_gpio   = {IOMUXC_ENET2_TX_EN_ECSPI4_MOSI,    0, 0X10B1},  \
    }

#endif /* BSP_USING_SPI4 */

rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, rt_uint32_t pin);

#endif