84 lines
2.1 KiB
C
84 lines
2.1 KiB
C
|
// SPDX-License-Identifier: GPL-2.0-only
|
||
|
|
/*
|
||
|
|
* 3-axis magnetometer driver supporting following I2C Bosch-Sensortec chips:
|
||
|
|
* - BMC150
|
||
|
|
* - BMC156
|
||
|
|
* - BMM150
|
||
|
|
*
|
||
|
|
* Copyright (c) 2016, Intel Corporation.
|
||
|
|
*/
|
||
|
|
#include <linux/device.h>
|
||
|
|
#include <linux/mod_devicetable.h>
|
||
|
|
#include <linux/i2c.h>
|
||
|
|
#include <linux/module.h>
|
||
|
|
#include <linux/acpi.h>
|
||
|
|
#include <linux/regmap.h>
|
||
|
|
|
||
|
|
#include "bmc150_magn.h"
|
||
|
|
|
||
|
|
static int bmc150_magn_i2c_probe(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
const struct i2c_device_id *id = i2c_client_get_device_id(client);
|
||
|
|
struct regmap *regmap;
|
||
|
|
const char *name = NULL;
|
||
|
|
|
||
|
|
regmap = devm_regmap_init_i2c(client, &bmc150_magn_regmap_config);
|
||
|
|
if (IS_ERR(regmap)) {
|
||
|
|
dev_err(&client->dev, "Failed to initialize i2c regmap\n");
|
||
|
|
return PTR_ERR(regmap);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (id)
|
||
|
|
name = id->name;
|
||
|
|
|
||
|
|
return bmc150_magn_probe(&client->dev, regmap, client->irq, name);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void bmc150_magn_i2c_remove(struct i2c_client *client)
|
||
|
|
{
|
||
|
|
bmc150_magn_remove(&client->dev);
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct acpi_device_id bmc150_magn_acpi_match[] = {
|
||
|
|
{"BMC150B", 0},
|
||
|
|
{"BMC156B", 0},
|
||
|
|
{"BMM150B", 0},
|
||
|
|
{},
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match);
|
||
|
|
|
||
|
|
static const struct i2c_device_id bmc150_magn_i2c_id[] = {
|
||
|
|
{"bmc150_magn", 0},
|
||
|
|
{"bmc156_magn", 0},
|
||
|
|
{"bmm150_magn", 0},
|
||
|
|
{}
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(i2c, bmc150_magn_i2c_id);
|
||
|
|
|
||
|
|
static const struct of_device_id bmc150_magn_of_match[] = {
|
||
|
|
{ .compatible = "bosch,bmc150_magn" },
|
||
|
|
{ .compatible = "bosch,bmc156_magn" },
|
||
|
|
{ .compatible = "bosch,bmm150_magn" }, /* deprecated compatible */
|
||
|
|
{ .compatible = "bosch,bmm150" },
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
MODULE_DEVICE_TABLE(of, bmc150_magn_of_match);
|
||
|
|
|
||
|
|
static struct i2c_driver bmc150_magn_driver = {
|
||
|
|
.driver = {
|
||
|
|
.name = "bmc150_magn_i2c",
|
||
|
|
.of_match_table = bmc150_magn_of_match,
|
||
|
|
.acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match),
|
||
|
|
.pm = &bmc150_magn_pm_ops,
|
||
|
|
},
|
||
|
|
.probe_new = bmc150_magn_i2c_probe,
|
||
|
|
.remove = bmc150_magn_i2c_remove,
|
||
|
|
.id_table = bmc150_magn_i2c_id,
|
||
|
|
};
|
||
|
|
module_i2c_driver(bmc150_magn_driver);
|
||
|
|
|
||
|
|
MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
|
||
|
|
MODULE_LICENSE("GPL v2");
|
||
|
|
MODULE_DESCRIPTION("BMC150 I2C magnetometer driver");
|
||
|
|
MODULE_IMPORT_NS(IIO_BMC150_MAGN);
|