linuxdebug/drivers/iio/imu/fxos8700_i2c.c

71 lines
1.8 KiB
C

// SPDX-License-Identifier: GPL-2.0
/*
* FXOS8700 - NXP IMU, I2C bits
*
* 7-bit I2C slave address determined by SA1 and SA0 logic level
* inputs represented in the following table:
* SA1 | SA0 | Slave Address
* 0 | 0 | 0x1E
* 0 | 1 | 0x1D
* 1 | 0 | 0x1C
* 1 | 1 | 0x1F
*/
#include <linux/acpi.h>
#include <linux/i2c.h>
#include <linux/module.h>
#include <linux/mod_devicetable.h>
#include <linux/regmap.h>
#include "fxos8700.h"
static int fxos8700_i2c_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
struct regmap *regmap;
const char *name = NULL;
regmap = devm_regmap_init_i2c(client, &fxos8700_regmap_config);
if (IS_ERR(regmap)) {
dev_err(&client->dev, "Failed to register i2c regmap %ld\n", PTR_ERR(regmap));
return PTR_ERR(regmap);
}
if (id)
name = id->name;
return fxos8700_core_probe(&client->dev, regmap, name, false);
}
static const struct i2c_device_id fxos8700_i2c_id[] = {
{"fxos8700", 0},
{ }
};
MODULE_DEVICE_TABLE(i2c, fxos8700_i2c_id);
static const struct acpi_device_id fxos8700_acpi_match[] = {
{"FXOS8700", 0},
{ }
};
MODULE_DEVICE_TABLE(acpi, fxos8700_acpi_match);
static const struct of_device_id fxos8700_of_match[] = {
{ .compatible = "nxp,fxos8700" },
{ }
};
MODULE_DEVICE_TABLE(of, fxos8700_of_match);
static struct i2c_driver fxos8700_i2c_driver = {
.driver = {
.name = "fxos8700_i2c",
.acpi_match_table = ACPI_PTR(fxos8700_acpi_match),
.of_match_table = fxos8700_of_match,
},
.probe = fxos8700_i2c_probe,
.id_table = fxos8700_i2c_id,
};
module_i2c_driver(fxos8700_i2c_driver);
MODULE_AUTHOR("Robert Jones <rjones@gateworks.com>");
MODULE_DESCRIPTION("FXOS8700 I2C driver");
MODULE_LICENSE("GPL v2");