98 lines
3.5 KiB
C
98 lines
3.5 KiB
C
/*
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* Copyright (c) 2006-2023, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-01-13 Lyons first version
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* 2021-06-23 RiceChen refactor
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*/
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#ifndef __DRV_I2C_H__
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#define __DRV_I2C_H__
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#include <board.h>
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#include "drv_common.h"
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#include "fsl_iomuxc.h"
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#include "fsl_clock.h"
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#include "fsl_i2c.h"
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#define IMX_I2C_IRQ_MODE
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struct imx6ull_i2c_config
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{
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void *hw_base; /* hardware physical address base */
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I2C_Type *I2C;
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char *name;
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rt_uint32_t baud_rate;
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rt_uint32_t clk_ip_name;
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rt_uint32_t irq_num;
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struct imx6ull_iomuxc scl_gpio;
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struct imx6ull_iomuxc sda_gpio;
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i2c_master_handle_t master_handle;
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};
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struct imx6ull_i2c_bus
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{
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struct rt_i2c_bus_device parent;
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struct imx6ull_i2c_config *config;
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};
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#ifdef BSP_USING_I2C1
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#define I2C1_BUS_CONFIG \
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{ \
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.I2C = I2C1, \
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.name = "i2c1", \
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.clk_ip_name = kCLOCK_I2c1S, \
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.baud_rate = I2C1_BAUD_RATE, \
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.irq_num = IMX_INT_I2C1, \
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.scl_gpio = {IOMUXC_UART4_TX_DATA_I2C1_SCL, 1, 0x70B0}, \
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.sda_gpio = {IOMUXC_UART4_RX_DATA_I2C1_SDA, 1, 0x70B0}, \
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}
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#endif /* BSP_USING_I2C1 */
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#ifdef BSP_USING_I2C2
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#define I2C2_BUS_CONFIG \
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{ \
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.I2C = I2C2, \
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.name = "i2c2", \
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.clk_ip_name = kCLOCK_I2c2S, \
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.baud_rate = I2C2_BAUD_RATE, \
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.irq_num = IMX_INT_I2C2, \
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.scl_gpio = {IOMUXC_UART5_TX_DATA_I2C2_SCL, 1, 0x70B0}, \
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.sda_gpio = {IOMUXC_UART5_RX_DATA_I2C2_SDA, 1, 0x70B0}, \
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}
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#endif /* BSP_USING_I2C2 */
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#ifdef BSP_USING_I2C3
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#define I2C3_BUS_CONFIG \
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{ \
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.I2C = I2C3, \
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.name = "i2c3", \
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.clk_ip_name = kCLOCK_I2c3S, \
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.baud_rate = I2C3_BAUD_RATE, \
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.irq_num = IMX_INT_I2C3, \
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.scl_gpio = {IOMUXC_ENET2_RX_DATA0_I2C3_SCL, 1, 0x70B0}, \
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.sda_gpio = {IOMUXC_ENET2_RX_DATA1_I2C3_SDA, 1, 0x70B0}, \
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}
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#endif /* BSP_USING_I2C3 */
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#ifdef BSP_USING_I2C4
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#define I2C4_BUS_CONFIG \
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{ \
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.I2C = I2C4, \
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.name = "i2c4", \
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.clk_ip_name = kCLOCK_I2c4S, \
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.baud_rate = I2C4_BAUD_RATE, \
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.irq_num = IMX_INT_I2C4, \
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.scl_gpio = {IOMUXC_UART2_TX_DATA_I2C4_SCL, 1, 0x70B0}, \
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.sda_gpio = {IOMUXC_UART2_RX_DATA_I2C4_SDA, 1, 0x70B0}, \
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}
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#endif /* BSP_USING_I2C4 */
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#endif
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