drivers/i2c/i2c_mcux_lpi2c.c - third_party/github/zephyrproject-rtos/zephyr - Git at Google

 /*
  * Copyright (c) 2016 Freescale Semiconductor, Inc.
  * Copyright (c) 2019, NXP
  *
  * SPDX-License-Identifier: Apache-2.0
  */

 #include <errno.h>
 #include <i2c.h>
 #include <clock_control.h>
 #include <fsl_lpi2c.h>

 #include <logging/log.h>
 LOG_MODULE_REGISTER(mcux_lpi2c);

 #include "i2c-priv.h"

 struct mcux_lpi2c_config {
 	LPI2C_Type *base;
 	char *clock_name;
 	clock_control_subsys_t clock_subsys;
 	void (*irq_config_func)(struct device *dev);
 	u32_t bitrate;
 };

 struct mcux_lpi2c_data {
 	lpi2c_master_handle_t handle;
 	struct k_sem device_sync_sem;
 	status_t callback_status;
 };

 static int mcux_lpi2c_configure(struct device *dev, u32_t dev_config_raw)
 {
 	const struct mcux_lpi2c_config *config = dev->config->config_info;
 	LPI2C_Type *base = config->base;
 	struct device *clock_dev;
 	u32_t clock_freq;
 	u32_t baudrate;

 	if (!(I2C_MODE_MASTER & dev_config_raw)) {
 		return -EINVAL;
 	}

 	if (I2C_ADDR_10_BITS & dev_config_raw) {
 		return -EINVAL;
 	}

 	switch (I2C_SPEED_GET(dev_config_raw)) {
 	case I2C_SPEED_STANDARD:
 		baudrate = KHZ(100);
 		break;
 	case I2C_SPEED_FAST:
 		baudrate = MHZ(1);
 		break;
 	default:
 		return -EINVAL;
 	}

 	clock_dev = device_get_binding(config->clock_name);
 	if (clock_dev == NULL) {
 		return -EINVAL;
 	}

 	if (clock_control_get_rate(clock_dev, config->clock_subsys,
 				   &clock_freq)) {
 		return -EINVAL;
 	}

 	LPI2C_MasterSetBaudRate(base, clock_freq, baudrate);

 	return 0;
 }

 static void mcux_lpi2c_master_transfer_callback(LPI2C_Type *base,
 		lpi2c_master_handle_t *handle, status_t status, void *userData)
 {
 	struct device *dev = userData;
 	struct mcux_lpi2c_data *data = dev->driver_data;

 	ARG_UNUSED(handle);
 	ARG_UNUSED(base);

 	data->callback_status = status;
 	k_sem_give(&data->device_sync_sem);
 }

 static u32_t mcux_lpi2c_convert_flags(int msg_flags)
 {
 	u32_t flags = 0U;

 	if (!(msg_flags & I2C_MSG_STOP)) {
 		flags |= kLPI2C_TransferNoStopFlag;
 	}

 	if (msg_flags & I2C_MSG_RESTART) {
 		flags |= kLPI2C_TransferRepeatedStartFlag;
 	}

 	return flags;
 }

 static int mcux_lpi2c_transfer(struct device *dev, struct i2c_msg *msgs,
 		u8_t num_msgs, u16_t addr)
 {
 	const struct mcux_lpi2c_config *config = dev->config->config_info;
 	struct mcux_lpi2c_data *data = dev->driver_data;
 	LPI2C_Type *base = config->base;
 	lpi2c_master_transfer_t transfer;
 	status_t status;

 	/* Iterate over all the messages */
 	for (int i = 0; i < num_msgs; i++) {
 		if (I2C_MSG_ADDR_10_BITS & msgs->flags) {
 			return -ENOTSUP;
 		}

 		/* Initialize the transfer descriptor */
 		transfer.flags = mcux_lpi2c_convert_flags(msgs->flags);

 		/* Prevent the controller to send a start condition between
 		 * messages, except if explicitely requested.
 		 */
 		if (i != 0 && !(msgs->flags & I2C_MSG_RESTART)) {
 			transfer.flags |= kLPI2C_TransferNoStartFlag;
 		}

 		transfer.slaveAddress = addr;
 		transfer.direction = (msgs->flags & I2C_MSG_READ)
 			? kLPI2C_Read : kLPI2C_Write;
 		transfer.subaddress = 0;
 		transfer.subaddressSize = 0;
 		transfer.data = msgs->buf;
 		transfer.dataSize = msgs->len;

 		/* Start the transfer */
 		status = LPI2C_MasterTransferNonBlocking(base,
 				&data->handle, &transfer);

 		/* Return an error if the transfer didn't start successfully
 		 * e.g., if the bus was busy
 		 */
 		if (status != kStatus_Success) {
 			return -EIO;
 		}

 		/* Wait for the transfer to complete */
 		k_sem_take(&data->device_sync_sem, K_FOREVER);

 		/* Return an error if the transfer didn't complete
 		 * successfully. e.g., nak, timeout, lost arbitration
 		 */
 		if (data->callback_status != kStatus_Success) {
 			return -EIO;
 		}

 		/* Move to the next message */
 		msgs++;
 	}

 	return 0;
 }

 static void mcux_lpi2c_isr(void *arg)
 {
 	struct device *dev = (struct device *)arg;
 	const struct mcux_lpi2c_config *config = dev->config->config_info;
 	struct mcux_lpi2c_data *data = dev->driver_data;
 	LPI2C_Type *base = config->base;

 	LPI2C_MasterTransferHandleIRQ(base, &data->handle);
 }

 static int mcux_lpi2c_init(struct device *dev)
 {
 	const struct mcux_lpi2c_config *config = dev->config->config_info;
 	struct mcux_lpi2c_data *data = dev->driver_data;
 	LPI2C_Type *base = config->base;
 	struct device *clock_dev;
 	u32_t clock_freq, bitrate_cfg;
 	lpi2c_master_config_t master_config;
 	int error;

 	k_sem_init(&data->device_sync_sem, 0, UINT_MAX);

 	clock_dev = device_get_binding(config->clock_name);
 	if (clock_dev == NULL) {
 		return -EINVAL;
 	}

 	if (clock_control_get_rate(clock_dev, config->clock_subsys,
 				   &clock_freq)) {
 		return -EINVAL;
 	}

 	LPI2C_MasterGetDefaultConfig(&master_config);
 	LPI2C_MasterInit(base, &master_config, clock_freq);
 	LPI2C_MasterTransferCreateHandle(base, &data->handle,
 			mcux_lpi2c_master_transfer_callback, dev);

 	bitrate_cfg = _i2c_map_dt_bitrate(config->bitrate);

 	error = mcux_lpi2c_configure(dev, I2C_MODE_MASTER | bitrate_cfg);
 	if (error) {
 		return error;
 	}

 	config->irq_config_func(dev);

 	return 0;
 }

 static const struct i2c_driver_api mcux_lpi2c_driver_api = {
 	.configure = mcux_lpi2c_configure,
 	.transfer = mcux_lpi2c_transfer,
 };

 #ifdef CONFIG_I2C_1
 static void mcux_lpi2c_config_func_1(struct device *dev);

 static const struct mcux_lpi2c_config mcux_lpi2c_config_1 = {
 	.base = (LPI2C_Type *)DT_I2C_MCUX_LPI2C_1_BASE_ADDRESS,
 	.clock_name = DT_I2C_MCUX_LPI2C_1_CLOCK_NAME,
 	.clock_subsys =
 		(clock_control_subsys_t) DT_I2C_MCUX_LPI2C_1_CLOCK_SUBSYS,
 	.irq_config_func = mcux_lpi2c_config_func_1,
 	.bitrate = DT_I2C_MCUX_LPI2C_1_BITRATE,
 };

 static struct mcux_lpi2c_data mcux_lpi2c_data_1;

 DEVICE_AND_API_INIT(mcux_lpi2c_1, CONFIG_I2C_1_NAME, &mcux_lpi2c_init,
 		    &mcux_lpi2c_data_1, &mcux_lpi2c_config_1,
 		    POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
 		    &mcux_lpi2c_driver_api);

 static void mcux_lpi2c_config_func_1(struct device *dev)
 {
 	IRQ_CONNECT(DT_I2C_MCUX_LPI2C_1_IRQ, DT_I2C_MCUX_LPI2C_1_IRQ_PRI,
 		    mcux_lpi2c_isr, DEVICE_GET(mcux_lpi2c_1), 0);

 	irq_enable(DT_I2C_MCUX_LPI2C_1_IRQ);
 }
 #endif /* CONFIG_I2C_1 */

 #ifdef CONFIG_I2C_2
 static void mcux_lpi2c_config_func_2(struct device *dev);

 static const struct mcux_lpi2c_config mcux_lpi2c_config_2 = {
 	.base = (LPI2C_Type *)DT_I2C_MCUX_LPI2C_2_BASE_ADDRESS,
 	.clock_name = DT_I2C_MCUX_LPI2C_2_CLOCK_NAME,
 	.clock_subsys =
 		(clock_control_subsys_t) DT_I2C_MCUX_LPI2C_2_CLOCK_SUBSYS,
 	.irq_config_func = mcux_lpi2c_config_func_2,
 	.bitrate = DT_I2C_MCUX_LPI2C_2_BITRATE,
 };

 static struct mcux_lpi2c_data mcux_lpi2c_data_2;

 DEVICE_AND_API_INIT(mcux_lpi2c_2, CONFIG_I2C_2_NAME, &mcux_lpi2c_init,
 		    &mcux_lpi2c_data_2, &mcux_lpi2c_config_2,
 		    POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
 		    &mcux_lpi2c_driver_api);

 static void mcux_lpi2c_config_func_2(struct device *dev)
 {
 	IRQ_CONNECT(DT_I2C_MCUX_LPI2C_2_IRQ, DT_I2C_MCUX_LPI2C_2_IRQ_PRI,
 		    mcux_lpi2c_isr, DEVICE_GET(mcux_lpi2c_2), 0);

 	irq_enable(DT_I2C_MCUX_LPI2C_2_IRQ);
 }
 #endif /* CONFIG_I2C_2 */

 #ifdef CONFIG_I2C_3
 static void mcux_lpi2c_config_func_3(struct device *dev);

 static const struct mcux_lpi2c_config mcux_lpi2c_config_3 = {
 	.base = (LPI2C_Type *)DT_I2C_MCUX_LPI2C_3_BASE_ADDRESS,
 	.clock_name = DT_I2C_MCUX_LPI2C_3_CLOCK_NAME,
 	.clock_subsys =
 		(clock_control_subsys_t) DT_I2C_MCUX_LPI2C_3_CLOCK_SUBSYS,
 	.irq_config_func = mcux_lpi2c_config_func_3,
 	.bitrate = DT_I2C_MCUX_LPI2C_3_BITRATE,
 };

 static struct mcux_lpi2c_data mcux_lpi2c_data_3;

 DEVICE_AND_API_INIT(mcux_lpi2c_3, CONFIG_I2C_3_NAME, &mcux_lpi2c_init,
 		    &mcux_lpi2c_data_3, &mcux_lpi2c_config_3,
 		    POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
 		    &mcux_lpi2c_driver_api);

 static void mcux_lpi2c_config_func_3(struct device *dev)
 {
 	IRQ_CONNECT(DT_I2C_MCUX_LPI2C_3_IRQ, DT_I2C_MCUX_LPI2C_3_IRQ_PRI,
 		    mcux_lpi2c_isr, DEVICE_GET(mcux_lpi2c_3), 0);

 	irq_enable(DT_I2C_MCUX_LPI2C_3_IRQ);
 }
 #endif /* CONFIG_I2C_3 */

 #ifdef CONFIG_I2C_4
 static void mcux_lpi2c_config_func_4(struct device *dev);

 static const struct mcux_lpi2c_config mcux_lpi2c_config_4 = {
 	.base = (LPI2C_Type *)DT_I2C_MCUX_LPI2C_4_BASE_ADDRESS,
 	.clock_name = DT_I2C_MCUX_LPI2C_4_CLOCK_NAME,
 	.clock_subsys =
 		(clock_control_subsys_t) DT_I2C_MCUX_LPI2C_4_CLOCK_SUBSYS,
 	.irq_config_func = mcux_lpi2c_config_func_4,
 	.bitrate = DT_I2C_MCUX_LPI2C_4_BITRATE,
 };

 static struct mcux_lpi2c_data mcux_lpi2c_data_4;

 DEVICE_AND_API_INIT(mcux_lpi2c_4, CONFIG_I2C_4_NAME, &mcux_lpi2c_init,
 		    &mcux_lpi2c_data_4, &mcux_lpi2c_config_4,
 		    POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
 		    &mcux_lpi2c_driver_api);

 static void mcux_lpi2c_config_func_4(struct device *dev)
 {
 	IRQ_CONNECT(DT_I2C_MCUX_LPI2C_4_IRQ, DT_I2C_MCUX_LPI2C_4_IRQ_PRI,
 		    mcux_lpi2c_isr, DEVICE_GET(mcux_lpi2c_4), 0);

 	irq_enable(DT_I2C_MCUX_LPI2C_4_IRQ);
 }
 #endif /* CONFIG_I2C_4 */
	/*
	* Copyright (c) 2016 Freescale Semiconductor, Inc.
	* Copyright (c) 2019, NXP
	*
	* SPDX-License-Identifier: Apache-2.0
	*/

	#include <errno.h>
	#include <i2c.h>
	#include <clock_control.h>
	#include <fsl_lpi2c.h>

	#include <logging/log.h>
	LOG_MODULE_REGISTER(mcux_lpi2c);

	#include "i2c-priv.h"

	struct mcux_lpi2c_config {
	LPI2C_Type *base;
	char *clock_name;
	clock_control_subsys_t clock_subsys;
	void (irq_config_func)(struct device dev);
	u32_t bitrate;
	};

	struct mcux_lpi2c_data {
	lpi2c_master_handle_t handle;
	struct k_sem device_sync_sem;
	status_t callback_status;
	};

	static int mcux_lpi2c_configure(struct device *dev, u32_t dev_config_raw)
	{
	const struct mcux_lpi2c_config *config = dev->config->config_info;
	LPI2C_Type *base = config->base;
	struct device *clock_dev;
	u32_t clock_freq;
	u32_t baudrate;

	if (!(I2C_MODE_MASTER & dev_config_raw)) {
	return -EINVAL;
	}

	if (I2C_ADDR_10_BITS & dev_config_raw) {
	return -EINVAL;
	}

	switch (I2C_SPEED_GET(dev_config_raw)) {
	case I2C_SPEED_STANDARD:
	baudrate = KHZ(100);
	break;
	case I2C_SPEED_FAST:
	baudrate = MHZ(1);
	break;
	default:
	return -EINVAL;
	}

	clock_dev = device_get_binding(config->clock_name);
	if (clock_dev == NULL) {
	return -EINVAL;
	}

	if (clock_control_get_rate(clock_dev, config->clock_subsys,
	&clock_freq)) {
	return -EINVAL;
	}

	LPI2C_MasterSetBaudRate(base, clock_freq, baudrate);

	return 0;
	}

	static void mcux_lpi2c_master_transfer_callback(LPI2C_Type *base,
	lpi2c_master_handle_t handle, status_t status, void userData)
	{
	struct device *dev = userData;
	struct mcux_lpi2c_data *data = dev->driver_data;

	ARG_UNUSED(handle);
	ARG_UNUSED(base);

	data->callback_status = status;
	k_sem_give(&data->device_sync_sem);
	}

	static u32_t mcux_lpi2c_convert_flags(int msg_flags)
	{
	u32_t flags = 0U;

	if (!(msg_flags & I2C_MSG_STOP)) {
	flags \|= kLPI2C_TransferNoStopFlag;
	}

	if (msg_flags & I2C_MSG_RESTART) {
	flags \|= kLPI2C_TransferRepeatedStartFlag;
	}

	return flags;
	}

	static int mcux_lpi2c_transfer(struct device dev, struct i2c_msg msgs,
	u8_t num_msgs, u16_t addr)
	{
	const struct mcux_lpi2c_config *config = dev->config->config_info;
	struct mcux_lpi2c_data *data = dev->driver_data;
	LPI2C_Type *base = config->base;
	lpi2c_master_transfer_t transfer;
	status_t status;

	/* Iterate over all the messages */
	for (int i = 0; i < num_msgs; i++) {
	if (I2C_MSG_ADDR_10_BITS & msgs->flags) {
	return -ENOTSUP;
	}

	/* Initialize the transfer descriptor */
	transfer.flags = mcux_lpi2c_convert_flags(msgs->flags);

	/* Prevent the controller to send a start condition between
	* messages, except if explicitely requested.
	*/
	if (i != 0 && !(msgs->flags & I2C_MSG_RESTART)) {
	transfer.flags \|= kLPI2C_TransferNoStartFlag;
	}

	transfer.slaveAddress = addr;
	transfer.direction = (msgs->flags & I2C_MSG_READ)
	? kLPI2C_Read : kLPI2C_Write;
	transfer.subaddress = 0;
	transfer.subaddressSize = 0;
	transfer.data = msgs->buf;
	transfer.dataSize = msgs->len;

	/* Start the transfer */
	status = LPI2C_MasterTransferNonBlocking(base,
	&data->handle, &transfer);

	/* Return an error if the transfer didn't start successfully
	* e.g., if the bus was busy
	*/
	if (status != kStatus_Success) {
	return -EIO;
	}

	/* Wait for the transfer to complete */
	k_sem_take(&data->device_sync_sem, K_FOREVER);

	/* Return an error if the transfer didn't complete
	* successfully. e.g., nak, timeout, lost arbitration
	*/
	if (data->callback_status != kStatus_Success) {
	return -EIO;
	}

	/* Move to the next message */
	msgs++;
	}

	return 0;
	}

	static void mcux_lpi2c_isr(void *arg)
	{
	struct device dev = (struct device )arg;
	const struct mcux_lpi2c_config *config = dev->config->config_info;
	struct mcux_lpi2c_data *data = dev->driver_data;
	LPI2C_Type *base = config->base;

	LPI2C_MasterTransferHandleIRQ(base, &data->handle);
	}

	static int mcux_lpi2c_init(struct device *dev)
	{
	const struct mcux_lpi2c_config *config = dev->config->config_info;
	struct mcux_lpi2c_data *data = dev->driver_data;
	LPI2C_Type *base = config->base;
	struct device *clock_dev;
	u32_t clock_freq, bitrate_cfg;
	lpi2c_master_config_t master_config;
	int error;

	k_sem_init(&data->device_sync_sem, 0, UINT_MAX);

	clock_dev = device_get_binding(config->clock_name);
	if (clock_dev == NULL) {
	return -EINVAL;
	}

	if (clock_control_get_rate(clock_dev, config->clock_subsys,
	&clock_freq)) {
	return -EINVAL;
	}

	LPI2C_MasterGetDefaultConfig(&master_config);
	LPI2C_MasterInit(base, &master_config, clock_freq);
	LPI2C_MasterTransferCreateHandle(base, &data->handle,
	mcux_lpi2c_master_transfer_callback, dev);

	bitrate_cfg = _i2c_map_dt_bitrate(config->bitrate);

	error = mcux_lpi2c_configure(dev, I2C_MODE_MASTER \| bitrate_cfg);
	if (error) {
	return error;
	}

	config->irq_config_func(dev);

	return 0;
	}

	static const struct i2c_driver_api mcux_lpi2c_driver_api = {
	.configure = mcux_lpi2c_configure,
	.transfer = mcux_lpi2c_transfer,
	};

	#ifdef CONFIG_I2C_1
	static void mcux_lpi2c_config_func_1(struct device *dev);

	static const struct mcux_lpi2c_config mcux_lpi2c_config_1 = {
	.base = (LPI2C_Type *)DT_I2C_MCUX_LPI2C_1_BASE_ADDRESS,
	.clock_name = DT_I2C_MCUX_LPI2C_1_CLOCK_NAME,
	.clock_subsys =
	(clock_control_subsys_t) DT_I2C_MCUX_LPI2C_1_CLOCK_SUBSYS,
	.irq_config_func = mcux_lpi2c_config_func_1,
	.bitrate = DT_I2C_MCUX_LPI2C_1_BITRATE,
	};

	static struct mcux_lpi2c_data mcux_lpi2c_data_1;

	DEVICE_AND_API_INIT(mcux_lpi2c_1, CONFIG_I2C_1_NAME, &mcux_lpi2c_init,
	&mcux_lpi2c_data_1, &mcux_lpi2c_config_1,
	POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
	&mcux_lpi2c_driver_api);

	static void mcux_lpi2c_config_func_1(struct device *dev)
	{
	IRQ_CONNECT(DT_I2C_MCUX_LPI2C_1_IRQ, DT_I2C_MCUX_LPI2C_1_IRQ_PRI,
	mcux_lpi2c_isr, DEVICE_GET(mcux_lpi2c_1), 0);

	irq_enable(DT_I2C_MCUX_LPI2C_1_IRQ);
	}
	#endif /* CONFIG_I2C_1 */

	#ifdef CONFIG_I2C_2
	static void mcux_lpi2c_config_func_2(struct device *dev);

	static const struct mcux_lpi2c_config mcux_lpi2c_config_2 = {
	.base = (LPI2C_Type *)DT_I2C_MCUX_LPI2C_2_BASE_ADDRESS,
	.clock_name = DT_I2C_MCUX_LPI2C_2_CLOCK_NAME,
	.clock_subsys =
	(clock_control_subsys_t) DT_I2C_MCUX_LPI2C_2_CLOCK_SUBSYS,
	.irq_config_func = mcux_lpi2c_config_func_2,
	.bitrate = DT_I2C_MCUX_LPI2C_2_BITRATE,
	};

	static struct mcux_lpi2c_data mcux_lpi2c_data_2;

	DEVICE_AND_API_INIT(mcux_lpi2c_2, CONFIG_I2C_2_NAME, &mcux_lpi2c_init,
	&mcux_lpi2c_data_2, &mcux_lpi2c_config_2,
	POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
	&mcux_lpi2c_driver_api);

	static void mcux_lpi2c_config_func_2(struct device *dev)
	{
	IRQ_CONNECT(DT_I2C_MCUX_LPI2C_2_IRQ, DT_I2C_MCUX_LPI2C_2_IRQ_PRI,
	mcux_lpi2c_isr, DEVICE_GET(mcux_lpi2c_2), 0);

	irq_enable(DT_I2C_MCUX_LPI2C_2_IRQ);
	}
	#endif /* CONFIG_I2C_2 */

	#ifdef CONFIG_I2C_3
	static void mcux_lpi2c_config_func_3(struct device *dev);

	static const struct mcux_lpi2c_config mcux_lpi2c_config_3 = {
	.base = (LPI2C_Type *)DT_I2C_MCUX_LPI2C_3_BASE_ADDRESS,
	.clock_name = DT_I2C_MCUX_LPI2C_3_CLOCK_NAME,
	.clock_subsys =
	(clock_control_subsys_t) DT_I2C_MCUX_LPI2C_3_CLOCK_SUBSYS,
	.irq_config_func = mcux_lpi2c_config_func_3,
	.bitrate = DT_I2C_MCUX_LPI2C_3_BITRATE,
	};

	static struct mcux_lpi2c_data mcux_lpi2c_data_3;

	DEVICE_AND_API_INIT(mcux_lpi2c_3, CONFIG_I2C_3_NAME, &mcux_lpi2c_init,
	&mcux_lpi2c_data_3, &mcux_lpi2c_config_3,
	POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
	&mcux_lpi2c_driver_api);

	static void mcux_lpi2c_config_func_3(struct device *dev)
	{
	IRQ_CONNECT(DT_I2C_MCUX_LPI2C_3_IRQ, DT_I2C_MCUX_LPI2C_3_IRQ_PRI,
	mcux_lpi2c_isr, DEVICE_GET(mcux_lpi2c_3), 0);

	irq_enable(DT_I2C_MCUX_LPI2C_3_IRQ);
	}
	#endif /* CONFIG_I2C_3 */

	#ifdef CONFIG_I2C_4
	static void mcux_lpi2c_config_func_4(struct device *dev);

	static const struct mcux_lpi2c_config mcux_lpi2c_config_4 = {
	.base = (LPI2C_Type *)DT_I2C_MCUX_LPI2C_4_BASE_ADDRESS,
	.clock_name = DT_I2C_MCUX_LPI2C_4_CLOCK_NAME,
	.clock_subsys =
	(clock_control_subsys_t) DT_I2C_MCUX_LPI2C_4_CLOCK_SUBSYS,
	.irq_config_func = mcux_lpi2c_config_func_4,
	.bitrate = DT_I2C_MCUX_LPI2C_4_BITRATE,
	};

	static struct mcux_lpi2c_data mcux_lpi2c_data_4;

	DEVICE_AND_API_INIT(mcux_lpi2c_4, CONFIG_I2C_4_NAME, &mcux_lpi2c_init,
	&mcux_lpi2c_data_4, &mcux_lpi2c_config_4,
	POST_KERNEL, CONFIG_KERNEL_INIT_PRIORITY_DEVICE,
	&mcux_lpi2c_driver_api);

	static void mcux_lpi2c_config_func_4(struct device *dev)
	{
	IRQ_CONNECT(DT_I2C_MCUX_LPI2C_4_IRQ, DT_I2C_MCUX_LPI2C_4_IRQ_PRI,
	mcux_lpi2c_isr, DEVICE_GET(mcux_lpi2c_4), 0);

	irq_enable(DT_I2C_MCUX_LPI2C_4_IRQ);
	}
	#endif /* CONFIG_I2C_4 */