diff options
Diffstat (limited to 'drivers/iio/magnetometer/bmc150_magn_i2c.c')
-rw-r--r-- | drivers/iio/magnetometer/bmc150_magn_i2c.c | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/drivers/iio/magnetometer/bmc150_magn_i2c.c b/drivers/iio/magnetometer/bmc150_magn_i2c.c new file mode 100644 index 0000000000..281d1fa31c --- /dev/null +++ b/drivers/iio/magnetometer/bmc150_magn_i2c.c @@ -0,0 +1,83 @@ +// 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 = 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); |