1 /*
2  * Copyright (c) 2006-2023, RT-Thread Development Team
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  *
6  * Change Logs:
7  * Date           Author       Notes
8  * 2021-01-13     Lyons        first version
9  * 2021-06-23     RiceChen     refactor
10  */
11 
12 #ifndef __DRV_SPI_H__
13 #define __DRV_SPI_H__
14 
15 #include <board.h>
16 #include "drv_common.h"
17 
18 #include "fsl_iomuxc.h"
19 #include "fsl_clock.h"
20 #include "fsl_ecspi.h"
21 
22 struct imx6ull_spi_cs
23 {
24     rt_uint32_t pin;
25 };
26 
27 struct imx6ull_spi_config
28 {
29     ECSPI_Type *ECSPI;
30     char *name;
31 
32     rt_uint32_t clk_ip_name;
33 
34     struct imx6ull_iomuxc clk_gpio;
35     struct imx6ull_iomuxc miso_gpio;
36     struct imx6ull_iomuxc mosi_gpio;
37 };
38 
39 struct imx6ull_spi_bus
40 {
41     struct rt_spi_bus parent;
42     struct imx6ull_spi_config *config;
43 };
44 
45 #ifdef BSP_USING_SPI1
46 #define SPI1_BUS_CONFIG                                                 \
47     {                                                                   \
48         .ECSPI       = ECSPI1,                                          \
49         .name        = "spi1",                                          \
50         .clk_ip_name = kCLOCK_Ecspi1,                                   \
51         .clk_gpio    = {IOMUXC_CSI_DATA04_ECSPI1_SCLK, 0, 0X10B1},      \
52         .miso_gpio   = {IOMUXC_CSI_DATA07_ECSPI1_MISO, 0, 0X10B1},      \
53         .mosi_gpio   = {IOMUXC_CSI_DATA06_ECSPI1_MOSI, 0, 0X10B1},      \
54     }
55 #endif /* BSP_USING_SPI1 */
56 
57 #ifdef BSP_USING_SPI2
58 #define SPI2_BUS_CONFIG                                                 \
59     {                                                                   \
60         .ECSPI       = ECSPI2,                                          \
61         .name        = "spi2",                                          \
62         .clk_ip_name = kCLOCK_Ecspi2,                                   \
63         .clk_gpio    = {IOMUXC_UART4_TX_DATA_ECSPI2_SCLK, 0, 0X10B1},   \
64         .miso_gpio   = {IOMUXC_UART5_RX_DATA_ECSPI2_MISO, 0, 0X10B1},   \
65         .mosi_gpio   = {IOMUXC_UART5_TX_DATA_ECSPI2_MOSI, 0, 0X10B1},   \
66     }
67 
68 #endif /* BSP_USING_SPI2 */
69 
70 #ifdef BSP_USING_SPI3
71 #define SPI3_BUS_CONFIG                                                 \
72     {                                                                   \
73         .ECSPI       = ECSPI3,                                          \
74         .name        = "spi3",                                          \
75         .clk_ip_name = kCLOCK_Ecspi3,                                   \
76         .clk_gpio    = {IOMUXC_UART2_RX_DATA_ECSPI3_SCLK, 0, 0X10B1},   \
77         .miso_gpio   = {IOMUXC_UART2_RTS_B_ECSPI3_MISO,   0, 0X10B1},   \
78         .mosi_gpio   = {IOMUXC_UART2_CTS_B_ECSPI3_MOSI,   0, 0X10B1},   \
79     }
80 
81 #endif /* BSP_USING_SPI3 */
82 
83 #ifdef BSP_USING_SPI4
84 #define SPI4_BUS_CONFIG                                                 \
85     {                                                                   \
86         .ECSPI       = ECSPI4,                                          \
87         .name        = "spi4",                                          \
88         .clk_ip_name = kCLOCK_Ecspi4,                                   \
89         .clk_gpio    = {IOMUXC_ENET2_TX_DATA1_ECSPI4_SCLK, 0, 0X10B1},  \
90         .miso_gpio   = {IOMUXC_ENET2_TX_CLK_ECSPI4_MISO,   0, 0X10B1},  \
91         .mosi_gpio   = {IOMUXC_ENET2_TX_EN_ECSPI4_MOSI,    0, 0X10B1},  \
92     }
93 
94 #endif /* BSP_USING_SPI4 */
95 
96 rt_err_t rt_hw_spi_device_attach(const char *bus_name, const char *device_name, rt_uint32_t pin);
97 
98 #endif
99