drivers/iio/imu/bmi160/bmi160_spi.c

   1 /*
   2  * BMI160 - Bosch IMU, SPI 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 #include <linux/acpi.h>
  11 #include <linux/module.h>
  12 #include <linux/of.h>
  13 #include <linux/regmap.h>
  14 #include <linux/spi/spi.h>
  15
  16 #include "bmi160.h"
  17
  18 static int bmi160_spi_probe(struct spi_device *spi)
  19 {
  20         struct regmap *regmap;
  21         const struct spi_device_id *id = spi_get_device_id(spi);
  22
  23         regmap = devm_regmap_init_spi(spi, &bmi160_regmap_config);
  24         if (IS_ERR(regmap)) {
  25                 dev_err(&spi->dev, "Failed to register spi regmap %d\n",
  26                         (int)PTR_ERR(regmap));
  27                 return PTR_ERR(regmap);
  28         }
  29         return bmi160_core_probe(&spi->dev, regmap, id->name, true);
  30 }
  31
  32 static int bmi160_spi_remove(struct spi_device *spi)
  33 {
  34         bmi160_core_remove(&spi->dev);
  35
  36         return 0;
  37 }
  38
  39 static const struct spi_device_id bmi160_spi_id[] = {
  40         {"bmi160", 0},
  41         {}
  42 };
  43 MODULE_DEVICE_TABLE(spi, bmi160_spi_id);
  44
  45 static const struct acpi_device_id bmi160_acpi_match[] = {
  46         {"BMI0160", 0},
  47         { },
  48 };
  49 MODULE_DEVICE_TABLE(acpi, bmi160_acpi_match);
  50
  51 #ifdef CONFIG_OF
  52 static const struct of_device_id bmi160_of_match[] = {
  53         { .compatible = "bosch,bmi160" },
  54         { },
  55 };
  56 MODULE_DEVICE_TABLE(of, bmi160_of_match);
  57 #endif
  58
  59 static struct spi_driver bmi160_spi_driver = {
  60         .probe          = bmi160_spi_probe,
  61         .remove         = bmi160_spi_remove,
  62         .id_table       = bmi160_spi_id,
  63         .driver = {
  64                 .acpi_match_table       = ACPI_PTR(bmi160_acpi_match),
  65                 .of_match_table         = of_match_ptr(bmi160_of_match),
  66                 .name                   = "bmi160_spi",
  67         },
  68 };
  69 module_spi_driver(bmi160_spi_driver);
  70
  71 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
  72 MODULE_DESCRIPTION("Bosch BMI160 SPI driver");
  73 MODULE_LICENSE("GPL v2");