drivers/iio/imu/bmi160/bmi160_i2c.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * BMI160 - Bosch IMU, I2C bits
   4  *
   5  * Copyright (c) 2016, Intel Corporation.
   6  *
   7  * 7-bit I2C slave address is:
   8  *      - 0x68 if SDO is pulled to GND
   9  *      - 0x69 if SDO is pulled to VDDIO
  10  */
  11 #include <linux/acpi.h>
  12 #include <linux/i2c.h>
  13 #include <linux/module.h>
  14 #include <linux/of.h>
  15 #include <linux/regmap.h>
  16
  17 #include "bmi160.h"
  18
  19 static int bmi160_i2c_probe(struct i2c_client *client,
  20                             const struct i2c_device_id *id)
  21 {
  22         struct regmap *regmap;
  23         const char *name = NULL;
  24
  25         regmap = devm_regmap_init_i2c(client, &bmi160_regmap_config);
  26         if (IS_ERR(regmap)) {
  27                 dev_err(&client->dev, "Failed to register i2c regmap: %pe\n",
  28                         regmap);
  29                 return PTR_ERR(regmap);
  30         }
  31
  32         if (id)
  33                 name = id->name;
  34
  35         return bmi160_core_probe(&client->dev, regmap, name, false);
  36 }
  37
  38 static const struct i2c_device_id bmi160_i2c_id[] = {
  39         {"bmi160", 0},
  40         {}
  41 };
  42 MODULE_DEVICE_TABLE(i2c, bmi160_i2c_id);
  43
  44 static const struct acpi_device_id bmi160_acpi_match[] = {
  45         {"BMI0160", 0},
  46         { },
  47 };
  48 MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);
  49
  50 #ifdef CONFIG_OF
  51 static const struct of_device_id bmi160_of_match[] = {
  52         { .compatible = "bosch,bmi160" },
  53         { },
  54 };
  55 MODULE_DEVICE_TABLE(of, bmi160_of_match);
  56 #endif
  57
  58 static struct i2c_driver bmi160_i2c_driver = {
  59         .driver = {
  60                 .name                   = "bmi160_i2c",
  61                 .acpi_match_table       = ACPI_PTR(bmi160_acpi_match),
  62                 .of_match_table         = of_match_ptr(bmi160_of_match),
  63         },
  64         .probe          = bmi160_i2c_probe,
  65         .id_table       = bmi160_i2c_id,
  66 };
  67 module_i2c_driver(bmi160_i2c_driver);
  68
  69 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com>");
  70 MODULE_DESCRIPTION("BMI160 I2C driver");
  71 MODULE_LICENSE("GPL v2");