drivers/iio/imu/bmi160/bmi160_i2c.c

   1 /*
   2  * BMI160 - Bosch IMU, I2C bits
   3  *
   4  * Copyright (c) 2016, Intel Corporation.
   5  *
   6  * This file is subject to the terms and conditions of version 2 of
   7  * the GNU General Public License.  See the file COPYING in the main
   8  * directory of this archive for more details.
   9  *
  10  * 7-bit I2C slave address is:
  11  *      - 0x68 if SDO is pulled to GND
  12  *      - 0x69 if SDO is pulled to VDDIO
  13  */
  14 #include <linux/module.h>
  15 #include <linux/i2c.h>
  16 #include <linux/regmap.h>
  17 #include <linux/acpi.h>
  18
  19 #include "bmi160.h"
  20
  21 static int bmi160_i2c_probe(struct i2c_client *client,
  22                             const struct i2c_device_id *id)
  23 {
  24         struct regmap *regmap;
  25         const char *name = NULL;
  26
  27         regmap = devm_regmap_init_i2c(client, &bmi160_regmap_config);
  28         if (IS_ERR(regmap)) {
  29                 dev_err(&client->dev, "Failed to register i2c regmap %d\n",
  30                         (int)PTR_ERR(regmap));
  31                 return PTR_ERR(regmap);
  32         }
  33
  34         if (id)
  35                 name = id->name;
  36
  37         return bmi160_core_probe(&client->dev, regmap, name, false);
  38 }
  39
  40 static int bmi160_i2c_remove(struct i2c_client *client)
  41 {
  42         bmi160_core_remove(&client->dev);
  43
  44         return 0;
  45 }
  46
  47 static const struct i2c_device_id bmi160_i2c_id[] = {
  48         {"bmi160", 0},
  49         {}
  50 };
  51 MODULE_DEVICE_TABLE(i2c, bmi160_i2c_id);
  52
  53 static const struct acpi_device_id bmi160_acpi_match[] = {
  54         {"BMI0160", 0},
  55         { },
  56 };
  57 MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);
  58
  59 static struct i2c_driver bmi160_i2c_driver = {
  60         .driver = {
  61                 .name                   = "bmi160_i2c",
  62                 .acpi_match_table       = ACPI_PTR(bmi160_acpi_match),
  63         },
  64         .probe          = bmi160_i2c_probe,
  65         .remove         = bmi160_i2c_remove,
  66         .id_table       = bmi160_i2c_id,
  67 };
  68 module_i2c_driver(bmi160_i2c_driver);
  69
  70 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com>");
  71 MODULE_DESCRIPTION("BMI160 I2C driver");
  72 MODULE_LICENSE("GPL v2");