iio/gyro/bmg160_i2c.c

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 #include <linux/i2c.h>
0003 #include <linux/regmap.h>
0004 #include <linux/iio/iio.h>
0005 #include <linux/module.h>
0006 #include <linux/acpi.h>
0007
0008 #include "bmg160.h"
0009
0010 static const struct regmap_config bmg160_regmap_i2c_conf = {
0011     .reg_bits = 8,
0012     .val_bits = 8,
0013     .max_register = 0x3f
0014 };
0015
0016 static int bmg160_i2c_probe(struct i2c_client *client,
0017                 const struct i2c_device_id *id)
0018 {
0019     struct regmap *regmap;
0020     const char *name = NULL;
0021
0022     regmap = devm_regmap_init_i2c(client, &bmg160_regmap_i2c_conf);
0023     if (IS_ERR(regmap)) {
0024         dev_err(&client->dev, "Failed to register i2c regmap: %pe\n",
0025             regmap);
0026         return PTR_ERR(regmap);
0027     }
0028
0029     if (id)
0030         name = id->name;
0031
0032     return bmg160_core_probe(&client->dev, regmap, client->irq, name);
0033 }
0034
0035 static int bmg160_i2c_remove(struct i2c_client *client)
0036 {
0037     bmg160_core_remove(&client->dev);
0038
0039     return 0;
0040 }
0041
0042 static const struct acpi_device_id bmg160_acpi_match[] = {
0043     {"BMG0160", 0},
0044     {"BMI055B", 0},
0045     {"BMI088B", 0},
0046     {},
0047 };
0048
0049 MODULE_DEVICE_TABLE(acpi, bmg160_acpi_match);
0050
0051 static const struct i2c_device_id bmg160_i2c_id[] = {
0052     {"bmg160", 0},
0053     {"bmi055_gyro", 0},
0054     {"bmi088_gyro", 0},
0055     {}
0056 };
0057
0058 MODULE_DEVICE_TABLE(i2c, bmg160_i2c_id);
0059
0060 static const struct of_device_id bmg160_of_match[] = {
0061     { .compatible = "bosch,bmg160" },
0062     { .compatible = "bosch,bmi055_gyro" },
0063     { }
0064 };
0065
0066 MODULE_DEVICE_TABLE(of, bmg160_of_match);
0067
0068 static struct i2c_driver bmg160_i2c_driver = {
0069     .driver = {
0070         .name   = "bmg160_i2c",
0071         .acpi_match_table = ACPI_PTR(bmg160_acpi_match),
0072         .of_match_table = bmg160_of_match,
0073         .pm = &bmg160_pm_ops,
0074     },
0075     .probe      = bmg160_i2c_probe,
0076     .remove     = bmg160_i2c_remove,
0077     .id_table   = bmg160_i2c_id,
0078 };
0079 module_i2c_driver(bmg160_i2c_driver);
0080
0081 MODULE_AUTHOR("Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>");
0082 MODULE_LICENSE("GPL v2");
0083 MODULE_DESCRIPTION("BMG160 I2C Gyro driver");