Orange Pi5 kernel

 // SPDX-License-Identifier: GPL-2.0-or-later
/*
 * NXP SC18IS602/603 SPI driver
 *
 * Copyright (C) Guenter Roeck <linux@roeck-us.net>
 */
 
#include <linux/kernel.h>
#include <linux/err.h>
#include <linux/module.h>
#include <linux/spi/spi.h>
#include <linux/i2c.h>
#include <linux/delay.h>
#include <linux/pm_runtime.h>
#include <linux/of_device.h>
#include <linux/of.h>
#include <linux/platform_data/sc18is602.h>
#include <linux/gpio/consumer.h>
 
enum chips { sc18is602, sc18is602b, sc18is603 };
 
#define SC18IS602_BUFSIZ		200
#define SC18IS602_CLOCK			7372000
 
#define SC18IS602_MODE_CPHA		BIT(2)
#define SC18IS602_MODE_CPOL		BIT(3)
#define SC18IS602_MODE_LSB_FIRST	BIT(5)
#define SC18IS602_MODE_CLOCK_DIV_4	0x0
#define SC18IS602_MODE_CLOCK_DIV_16	0x1
#define SC18IS602_MODE_CLOCK_DIV_64	0x2
#define SC18IS602_MODE_CLOCK_DIV_128	0x3
 
struct sc18is602 {
<------>struct spi_master	*master;
<------>struct device		*dev;
<------>u8			ctrl;
<------>u32			freq;
<------>u32			speed;
 
<------>/* I2C data */
<------>struct i2c_client	*client;
<------>enum chips		id;
<------>u8			buffer[SC18IS602_BUFSIZ + 1];
<------>int			tlen;	/* Data queued for tx in buffer */
<------>int			rindex;	/* Receive data index in buffer */
 
<------>struct gpio_desc	*reset;
};
 
static int sc18is602_wait_ready(struct sc18is602 *hw, int len)
{
<------>int i, err;
<------>int usecs = 1000000 * len / hw->speed + 1;
<------>u8 dummy[1];
 
<------>for (i = 0; i < 10; i++) {
<------><------>err = i2c_master_recv(hw->client, dummy, 1);
<------><------>if (err >= 0)
<------><------><------>return 0;
<------><------>usleep_range(usecs, usecs * 2);
<------>}
<------>return -ETIMEDOUT;
}
 
static int sc18is602_txrx(struct sc18is602 *hw, struct spi_message *msg,
<------><------><------>  struct spi_transfer *t, bool do_transfer)
{
<------>unsigned int len = t->len;
<------>int ret;
 
<------>if (hw->tlen == 0) {
<------><------>/* First byte (I2C command) is chip select */
<------><------>hw->buffer[0] = 1 << msg->spi->chip_select;
<------><------>hw->tlen = 1;
<------><------>hw->rindex = 0;
<------>}
<------>/*
<------> * We can not immediately send data to the chip, since each I2C message
<------> * resembles a full SPI message (from CS active to CS inactive).
<------> * Enqueue messages up to the first read or until do_transfer is true.
<------> */
<------>if (t->tx_buf) {
<------><------>memcpy(&hw->buffer[hw->tlen], t->tx_buf, len);
<------><------>hw->tlen += len;
<------><------>if (t->rx_buf)
<------><------><------>do_transfer = true;
<------><------>else
<------><------><------>hw->rindex = hw->tlen - 1;
<------>} else if (t->rx_buf) {
<------><------>/*
<------><------> * For receive-only transfers we still need to perform a dummy
<------><------> * write to receive data from the SPI chip.
<------><------> * Read data starts at the end of transmit data (minus 1 to
<------><------> * account for CS).
<------><------> */
<------><------>hw->rindex = hw->tlen - 1;
<------><------>memset(&hw->buffer[hw->tlen], 0, len);
<------><------>hw->tlen += len;
<------><------>do_transfer = true;
<------>}
 
<------>if (do_transfer && hw->tlen > 1) {
<------><------>ret = sc18is602_wait_ready(hw, SC18IS602_BUFSIZ);
<------><------>if (ret < 0)
<------><------><------>return ret;
<------><------>ret = i2c_master_send(hw->client, hw->buffer, hw->tlen);
<------><------>if (ret < 0)
<------><------><------>return ret;
<------><------>if (ret != hw->tlen)
<------><------><------>return -EIO;
 
<------><------>if (t->rx_buf) {
<------><------><------>int rlen = hw->rindex + len;
 
<------><------><------>ret = sc18is602_wait_ready(hw, hw->tlen);
<------><------><------>if (ret < 0)
<------><------><------><------>return ret;
<------><------><------>ret = i2c_master_recv(hw->client, hw->buffer, rlen);
<------><------><------>if (ret < 0)
<------><------><------><------>return ret;
<------><------><------>if (ret != rlen)
<------><------><------><------>return -EIO;
<------><------><------>memcpy(t->rx_buf, &hw->buffer[hw->rindex], len);
<------><------>}
<------><------>hw->tlen = 0;
<------>}
<------>return len;
}
 
static int sc18is602_setup_transfer(struct sc18is602 *hw, u32 hz, u8 mode)
{
<------>u8 ctrl = 0;
<------>int ret;
 
<------>if (mode & SPI_CPHA)
<------><------>ctrl |= SC18IS602_MODE_CPHA;
<------>if (mode & SPI_CPOL)
<------><------>ctrl |= SC18IS602_MODE_CPOL;
<------>if (mode & SPI_LSB_FIRST)
<------><------>ctrl |= SC18IS602_MODE_LSB_FIRST;
 
<------>/* Find the closest clock speed */
<------>if (hz >= hw->freq / 4) {
<------><------>ctrl |= SC18IS602_MODE_CLOCK_DIV_4;
<------><------>hw->speed = hw->freq / 4;
<------>} else if (hz >= hw->freq / 16) {
<------><------>ctrl |= SC18IS602_MODE_CLOCK_DIV_16;
<------><------>hw->speed = hw->freq / 16;
<------>} else if (hz >= hw->freq / 64) {
<------><------>ctrl |= SC18IS602_MODE_CLOCK_DIV_64;
<------><------>hw->speed = hw->freq / 64;
<------>} else {
<------><------>ctrl |= SC18IS602_MODE_CLOCK_DIV_128;
<------><------>hw->speed = hw->freq / 128;
<------>}
 
<------>/*
<------> * Don't do anything if the control value did not change. The initial
<------> * value of 0xff for hw->ctrl ensures that the correct mode will be set
<------> * with the first call to this function.
<------> */
<------>if (ctrl == hw->ctrl)
<------><------>return 0;
 
<------>ret = i2c_smbus_write_byte_data(hw->client, 0xf0, ctrl);
<------>if (ret < 0)
<------><------>return ret;
 
<------>hw->ctrl = ctrl;
 
<------>return 0;
}
 
static int sc18is602_check_transfer(struct spi_device *spi,
<------><------><------><------>    struct spi_transfer *t, int tlen)
{
<------>if (t && t->len + tlen > SC18IS602_BUFSIZ)
<------><------>return -EINVAL;
 
<------>return 0;
}
 
static int sc18is602_transfer_one(struct spi_master *master,
<------><------><------><------>  struct spi_message *m)
{
<------>struct sc18is602 *hw = spi_master_get_devdata(master);
<------>struct spi_device *spi = m->spi;
<------>struct spi_transfer *t;
<------>int status = 0;
 
<------>hw->tlen = 0;
<------>list_for_each_entry(t, &m->transfers, transfer_list) {
<------><------>bool do_transfer;
 
<------><------>status = sc18is602_check_transfer(spi, t, hw->tlen);
<------><------>if (status < 0)
<------><------><------>break;
 
<------><------>status = sc18is602_setup_transfer(hw, t->speed_hz, spi->mode);
<------><------>if (status < 0)
<------><------><------>break;
 
<------><------>do_transfer = t->cs_change || list_is_last(&t->transfer_list,
<------><------><------><------><------><------><------>   &m->transfers);
 
<------><------>if (t->len) {
<------><------><------>status = sc18is602_txrx(hw, m, t, do_transfer);
<------><------><------>if (status < 0)
<------><------><------><------>break;
<------><------><------>m->actual_length += status;
<------><------>}
<------><------>status = 0;
 
<------><------>spi_transfer_delay_exec(t);
<------>}
<------>m->status = status;
<------>spi_finalize_current_message(master);
 
<------>return status;
}
 
static int sc18is602_setup(struct spi_device *spi)
{
<------>struct sc18is602 *hw = spi_master_get_devdata(spi->master);
 
<------>/* SC18IS602 does not support CS2 */
<------>if (hw->id == sc18is602 && spi->chip_select == 2)
<------><------>return -ENXIO;
 
<------>return 0;
}
 
static int sc18is602_probe(struct i2c_client *client,
<------><------><------>   const struct i2c_device_id *id)
{
<------>struct device *dev = &client->dev;
<------>struct device_node *np = dev->of_node;
<------>struct sc18is602_platform_data *pdata = dev_get_platdata(dev);
<------>struct sc18is602 *hw;
<------>struct spi_master *master;
 
<------>if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C |
<------><------><------><------>     I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
<------><------>return -EINVAL;
 
<------>master = devm_spi_alloc_master(dev, sizeof(struct sc18is602));
<------>if (!master)
<------><------>return -ENOMEM;
 
<------>hw = spi_master_get_devdata(master);
<------>i2c_set_clientdata(client, hw);
 
<------>/* assert reset and then release */
<------>hw->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
<------>if (IS_ERR(hw->reset))
<------><------>return PTR_ERR(hw->reset);
<------>gpiod_set_value_cansleep(hw->reset, 0);
 
<------>hw->master = master;
<------>hw->client = client;
<------>hw->dev = dev;
<------>hw->ctrl = 0xff;
 
<------>if (client->dev.of_node)
<------><------>hw->id = (enum chips)of_device_get_match_data(&client->dev);
<------>else
<------><------>hw->id = id->driver_data;
 
<------>switch (hw->id) {
<------>case sc18is602:
<------>case sc18is602b:
<------><------>master->num_chipselect = 4;
<------><------>hw->freq = SC18IS602_CLOCK;
<------><------>break;
<------>case sc18is603:
<------><------>master->num_chipselect = 2;
<------><------>if (pdata) {
<------><------><------>hw->freq = pdata->clock_frequency;
<------><------>} else {
<------><------><------>const __be32 *val;
<------><------><------>int len;
 
<------><------><------>val = of_get_property(np, "clock-frequency", &len);
<------><------><------>if (val && len >= sizeof(__be32))
<------><------><------><------>hw->freq = be32_to_cpup(val);
<------><------>}
<------><------>if (!hw->freq)
<------><------><------>hw->freq = SC18IS602_CLOCK;
<------><------>break;
<------>}
<------>master->bus_num = np ? -1 : client->adapter->nr;
<------>master->mode_bits = SPI_CPHA | SPI_CPOL | SPI_LSB_FIRST;
<------>master->bits_per_word_mask = SPI_BPW_MASK(8);
<------>master->setup = sc18is602_setup;
<------>master->transfer_one_message = sc18is602_transfer_one;
<------>master->dev.of_node = np;
<------>master->min_speed_hz = hw->freq / 128;
<------>master->max_speed_hz = hw->freq / 4;
 
<------>return devm_spi_register_master(dev, master);
}
 
static const struct i2c_device_id sc18is602_id[] = {
<------>{ "sc18is602", sc18is602 },
<------>{ "sc18is602b", sc18is602b },
<------>{ "sc18is603", sc18is603 },
<------>{ }
};
MODULE_DEVICE_TABLE(i2c, sc18is602_id);
 
static const struct of_device_id sc18is602_of_match[] = {
<------>{
<------><------>.compatible = "nxp,sc18is602",
<------><------>.data = (void *)sc18is602
<------>},
<------>{
<------><------>.compatible = "nxp,sc18is602b",
<------><------>.data = (void *)sc18is602b
<------>},
<------>{
<------><------>.compatible = "nxp,sc18is603",
<------><------>.data = (void *)sc18is603
<------>},
<------>{ },
};
MODULE_DEVICE_TABLE(of, sc18is602_of_match);
 
static struct i2c_driver sc18is602_driver = {
<------>.driver = {
<------><------>.name = "sc18is602",
<------><------>.of_match_table = of_match_ptr(sc18is602_of_match),
<------>},
<------>.probe = sc18is602_probe,
<------>.id_table = sc18is602_id,
};
 
module_i2c_driver(sc18is602_driver);
 
MODULE_DESCRIPTION("SC18IS602/603 SPI Master Driver");
MODULE_AUTHOR("Guenter Roeck");
MODULE_LICENSE("GPL");

	// SPDX-License-Identifier: GPL-2.0-or-later
	/*
	* NXP SC18IS602/603 SPI driver
	*
	* Copyright (C) Guenter Roeck <linux@roeck-us.net>
	*/

	#include <linux/kernel.h>
	#include <linux/err.h>
	#include <linux/module.h>
	#include <linux/spi/spi.h>
	#include <linux/i2c.h>
	#include <linux/delay.h>
	#include <linux/pm_runtime.h>
	#include <linux/of_device.h>
	#include <linux/of.h>
	#include <linux/platform_data/sc18is602.h>
	#include <linux/gpio/consumer.h>

	enum chips { sc18is602, sc18is602b, sc18is603 };

	#define SC18IS602_BUFSIZ 200
	#define SC18IS602_CLOCK 7372000

	#define SC18IS602_MODE_CPHA BIT(2)
	#define SC18IS602_MODE_CPOL BIT(3)
	#define SC18IS602_MODE_LSB_FIRST BIT(5)
	#define SC18IS602_MODE_CLOCK_DIV_4 0x0
	#define SC18IS602_MODE_CLOCK_DIV_16 0x1
	#define SC18IS602_MODE_CLOCK_DIV_64 0x2
	#define SC18IS602_MODE_CLOCK_DIV_128 0x3

	struct sc18is602 {
	<------>struct spi_master *master;
	<------>struct device *dev;
	<------>u8 ctrl;
	<------>u32 freq;
	<------>u32 speed;

	<------>/* I2C data */
	<------>struct i2c_client *client;
	<------>enum chips id;
	<------>u8 buffer[SC18IS602_BUFSIZ + 1];
	<------>int tlen; /* Data queued for tx in buffer */
	<------>int rindex; /* Receive data index in buffer */

	<------>struct gpio_desc *reset;
	};

	static int sc18is602_wait_ready(struct sc18is602 *hw, int len)
	{
	<------>int i, err;
	<------>int usecs = 1000000 * len / hw->speed + 1;
	<------>u8 dummy[1];

	<------>for (i = 0; i < 10; i++) {
	<------><------>err = i2c_master_recv(hw->client, dummy, 1);
	<------><------>if (err >= 0)
	<------><------><------>return 0;
	<------><------>usleep_range(usecs, usecs * 2);
	<------>}
	<------>return -ETIMEDOUT;
	}

	static int sc18is602_txrx(struct sc18is602 hw, struct spi_message msg,
	<------><------><------> struct spi_transfer *t, bool do_transfer)
	{
	<------>unsigned int len = t->len;
	<------>int ret;

	<------>if (hw->tlen == 0) {
	<------><------>/* First byte (I2C command) is chip select */
	<------><------>hw->buffer[0] = 1 << msg->spi->chip_select;
	<------><------>hw->tlen = 1;
	<------><------>hw->rindex = 0;
	<------>}
	<------>/*
	<------> * We can not immediately send data to the chip, since each I2C message
	<------> * resembles a full SPI message (from CS active to CS inactive).
	<------> * Enqueue messages up to the first read or until do_transfer is true.
	<------> */
	<------>if (t->tx_buf) {
	<------><------>memcpy(&hw->buffer[hw->tlen], t->tx_buf, len);
	<------><------>hw->tlen += len;
	<------><------>if (t->rx_buf)
	<------><------><------>do_transfer = true;
	<------><------>else
	<------><------><------>hw->rindex = hw->tlen - 1;
	<------>} else if (t->rx_buf) {
	<------><------>/*
	<------><------> * For receive-only transfers we still need to perform a dummy
	<------><------> * write to receive data from the SPI chip.
	<------><------> * Read data starts at the end of transmit data (minus 1 to
	<------><------> * account for CS).
	<------><------> */
	<------><------>hw->rindex = hw->tlen - 1;
	<------><------>memset(&hw->buffer[hw->tlen], 0, len);
	<------><------>hw->tlen += len;
	<------><------>do_transfer = true;
	<------>}

	<------>if (do_transfer && hw->tlen > 1) {
	<------><------>ret = sc18is602_wait_ready(hw, SC18IS602_BUFSIZ);
	<------><------>if (ret < 0)
	<------><------><------>return ret;
	<------><------>ret = i2c_master_send(hw->client, hw->buffer, hw->tlen);
	<------><------>if (ret < 0)
	<------><------><------>return ret;
	<------><------>if (ret != hw->tlen)
	<------><------><------>return -EIO;

	<------><------>if (t->rx_buf) {
	<------><------><------>int rlen = hw->rindex + len;

	<------><------><------>ret = sc18is602_wait_ready(hw, hw->tlen);
	<------><------><------>if (ret < 0)
	<------><------><------><------>return ret;
	<------><------><------>ret = i2c_master_recv(hw->client, hw->buffer, rlen);
	<------><------><------>if (ret < 0)
	<------><------><------><------>return ret;
	<------><------><------>if (ret != rlen)
	<------><------><------><------>return -EIO;
	<------><------><------>memcpy(t->rx_buf, &hw->buffer[hw->rindex], len);
	<------><------>}
	<------><------>hw->tlen = 0;
	<------>}
	<------>return len;
	}

	static int sc18is602_setup_transfer(struct sc18is602 *hw, u32 hz, u8 mode)
	{
	<------>u8 ctrl = 0;
	<------>int ret;

	<------>if (mode & SPI_CPHA)
	<------><------>ctrl \|= SC18IS602_MODE_CPHA;
	<------>if (mode & SPI_CPOL)
	<------><------>ctrl \|= SC18IS602_MODE_CPOL;
	<------>if (mode & SPI_LSB_FIRST)
	<------><------>ctrl \|= SC18IS602_MODE_LSB_FIRST;

	<------>/* Find the closest clock speed */
	<------>if (hz >= hw->freq / 4) {
	<------><------>ctrl \|= SC18IS602_MODE_CLOCK_DIV_4;
	<------><------>hw->speed = hw->freq / 4;
	<------>} else if (hz >= hw->freq / 16) {
	<------><------>ctrl \|= SC18IS602_MODE_CLOCK_DIV_16;
	<------><------>hw->speed = hw->freq / 16;
	<------>} else if (hz >= hw->freq / 64) {
	<------><------>ctrl \|= SC18IS602_MODE_CLOCK_DIV_64;
	<------><------>hw->speed = hw->freq / 64;
	<------>} else {
	<------><------>ctrl \|= SC18IS602_MODE_CLOCK_DIV_128;
	<------><------>hw->speed = hw->freq / 128;
	<------>}

	<------>/*
	<------> * Don't do anything if the control value did not change. The initial
	<------> * value of 0xff for hw->ctrl ensures that the correct mode will be set
	<------> * with the first call to this function.
	<------> */
	<------>if (ctrl == hw->ctrl)
	<------><------>return 0;

	<------>ret = i2c_smbus_write_byte_data(hw->client, 0xf0, ctrl);
	<------>if (ret < 0)
	<------><------>return ret;

	<------>hw->ctrl = ctrl;

	<------>return 0;
	}

	static int sc18is602_check_transfer(struct spi_device *spi,
	<------><------><------><------> struct spi_transfer *t, int tlen)
	{
	<------>if (t && t->len + tlen > SC18IS602_BUFSIZ)
	<------><------>return -EINVAL;

	<------>return 0;
	}

	static int sc18is602_transfer_one(struct spi_master *master,
	<------><------><------><------> struct spi_message *m)
	{
	<------>struct sc18is602 *hw = spi_master_get_devdata(master);
	<------>struct spi_device *spi = m->spi;
	<------>struct spi_transfer *t;
	<------>int status = 0;

	<------>hw->tlen = 0;
	<------>list_for_each_entry(t, &m->transfers, transfer_list) {
	<------><------>bool do_transfer;

	<------><------>status = sc18is602_check_transfer(spi, t, hw->tlen);
	<------><------>if (status < 0)
	<------><------><------>break;

	<------><------>status = sc18is602_setup_transfer(hw, t->speed_hz, spi->mode);
	<------><------>if (status < 0)
	<------><------><------>break;

	<------><------>do_transfer = t->cs_change \|\| list_is_last(&t->transfer_list,
	<------><------><------><------><------><------><------> &m->transfers);

	<------><------>if (t->len) {
	<------><------><------>status = sc18is602_txrx(hw, m, t, do_transfer);
	<------><------><------>if (status < 0)
	<------><------><------><------>break;
	<------><------><------>m->actual_length += status;
	<------><------>}
	<------><------>status = 0;

	<------><------>spi_transfer_delay_exec(t);
	<------>}
	<------>m->status = status;
	<------>spi_finalize_current_message(master);

	<------>return status;
	}

	static int sc18is602_setup(struct spi_device *spi)
	{
	<------>struct sc18is602 *hw = spi_master_get_devdata(spi->master);

	<------>/* SC18IS602 does not support CS2 */
	<------>if (hw->id == sc18is602 && spi->chip_select == 2)
	<------><------>return -ENXIO;

	<------>return 0;
	}

	static int sc18is602_probe(struct i2c_client *client,
	<------><------><------> const struct i2c_device_id *id)
	{
	<------>struct device *dev = &client->dev;
	<------>struct device_node *np = dev->of_node;
	<------>struct sc18is602_platform_data *pdata = dev_get_platdata(dev);
	<------>struct sc18is602 *hw;
	<------>struct spi_master *master;

	<------>if (!i2c_check_functionality(client->adapter, I2C_FUNC_I2C \|
	<------><------><------><------> I2C_FUNC_SMBUS_WRITE_BYTE_DATA))
	<------><------>return -EINVAL;

	<------>master = devm_spi_alloc_master(dev, sizeof(struct sc18is602));
	<------>if (!master)
	<------><------>return -ENOMEM;

	<------>hw = spi_master_get_devdata(master);
	<------>i2c_set_clientdata(client, hw);

	<------>/* assert reset and then release */
	<------>hw->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_HIGH);
	<------>if (IS_ERR(hw->reset))
	<------><------>return PTR_ERR(hw->reset);
	<------>gpiod_set_value_cansleep(hw->reset, 0);

	<------>hw->master = master;
	<------>hw->client = client;
	<------>hw->dev = dev;
	<------>hw->ctrl = 0xff;

	<------>if (client->dev.of_node)
	<------><------>hw->id = (enum chips)of_device_get_match_data(&client->dev);
	<------>else
	<------><------>hw->id = id->driver_data;

	<------>switch (hw->id) {
	<------>case sc18is602:
	<------>case sc18is602b:
	<------><------>master->num_chipselect = 4;
	<------><------>hw->freq = SC18IS602_CLOCK;
	<------><------>break;
	<------>case sc18is603:
	<------><------>master->num_chipselect = 2;
	<------><------>if (pdata) {
	<------><------><------>hw->freq = pdata->clock_frequency;
	<------><------>} else {
	<------><------><------>const __be32 *val;
	<------><------><------>int len;

	<------><------><------>val = of_get_property(np, "clock-frequency", &len);
	<------><------><------>if (val && len >= sizeof(__be32))
	<------><------><------><------>hw->freq = be32_to_cpup(val);
	<------><------>}
	<------><------>if (!hw->freq)
	<------><------><------>hw->freq = SC18IS602_CLOCK;
	<------><------>break;
	<------>}
	<------>master->bus_num = np ? -1 : client->adapter->nr;
	<------>master->mode_bits = SPI_CPHA \| SPI_CPOL \| SPI_LSB_FIRST;
	<------>master->bits_per_word_mask = SPI_BPW_MASK(8);
	<------>master->setup = sc18is602_setup;
	<------>master->transfer_one_message = sc18is602_transfer_one;
	<------>master->dev.of_node = np;
	<------>master->min_speed_hz = hw->freq / 128;
	<------>master->max_speed_hz = hw->freq / 4;

	<------>return devm_spi_register_master(dev, master);
	}

	static const struct i2c_device_id sc18is602_id[] = {
	<------>{ "sc18is602", sc18is602 },
	<------>{ "sc18is602b", sc18is602b },
	<------>{ "sc18is603", sc18is603 },
	<------>{ }
	};
	MODULE_DEVICE_TABLE(i2c, sc18is602_id);

	static const struct of_device_id sc18is602_of_match[] = {
	<------>{
	<------><------>.compatible = "nxp,sc18is602",
	<------><------>.data = (void *)sc18is602
	<------>},
	<------>{
	<------><------>.compatible = "nxp,sc18is602b",
	<------><------>.data = (void *)sc18is602b
	<------>},
	<------>{
	<------><------>.compatible = "nxp,sc18is603",
	<------><------>.data = (void *)sc18is603
	<------>},
	<------>{ },
	};
	MODULE_DEVICE_TABLE(of, sc18is602_of_match);

	static struct i2c_driver sc18is602_driver = {
	<------>.driver = {
	<------><------>.name = "sc18is602",
	<------><------>.of_match_table = of_match_ptr(sc18is602_of_match),
	<------>},
	<------>.probe = sc18is602_probe,
	<------>.id_table = sc18is602_id,
	};

	module_i2c_driver(sc18is602_driver);

	MODULE_DESCRIPTION("SC18IS602/603 SPI Master Driver");
	MODULE_AUTHOR("Guenter Roeck");
	MODULE_LICENSE("GPL");