linux/drivers/iio/magnetometer/bmc150_magn_spi.c
<<
>>
Prefs
   1/*
   2 * 3-axis magnetometer driver support following SPI Bosch-Sensortec chips:
   3 *  - BMC150
   4 *  - BMC156
   5 *  - BMM150
   6 *
   7 * Copyright (c) 2016, Intel Corporation.
   8 *
   9 * This file is subject to the terms and conditions of version 2 of
  10 * the GNU General Public License.  See the file COPYING in the main
  11 * directory of this archive for more details.
  12 */
  13#include <linux/module.h>
  14#include <linux/mod_devicetable.h>
  15#include <linux/spi/spi.h>
  16#include <linux/acpi.h>
  17#include <linux/regmap.h>
  18
  19#include "bmc150_magn.h"
  20
  21static int bmc150_magn_spi_probe(struct spi_device *spi)
  22{
  23        struct regmap *regmap;
  24        const struct spi_device_id *id = spi_get_device_id(spi);
  25
  26        regmap = devm_regmap_init_spi(spi, &bmc150_magn_regmap_config);
  27        if (IS_ERR(regmap)) {
  28                dev_err(&spi->dev, "Failed to register spi regmap %d\n",
  29                        (int)PTR_ERR(regmap));
  30                return PTR_ERR(regmap);
  31        }
  32        return bmc150_magn_probe(&spi->dev, regmap, spi->irq, id->name);
  33}
  34
  35static int bmc150_magn_spi_remove(struct spi_device *spi)
  36{
  37        bmc150_magn_remove(&spi->dev);
  38
  39        return 0;
  40}
  41
  42static const struct spi_device_id bmc150_magn_spi_id[] = {
  43        {"bmc150_magn", 0},
  44        {"bmc156_magn", 0},
  45        {"bmm150_magn", 0},
  46        {}
  47};
  48MODULE_DEVICE_TABLE(spi, bmc150_magn_spi_id);
  49
  50static const struct acpi_device_id bmc150_magn_acpi_match[] = {
  51        {"BMC150B", 0},
  52        {"BMC156B", 0},
  53        {"BMM150B", 0},
  54        {},
  55};
  56MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match);
  57
  58static struct spi_driver bmc150_magn_spi_driver = {
  59        .probe          = bmc150_magn_spi_probe,
  60        .remove         = bmc150_magn_spi_remove,
  61        .id_table       = bmc150_magn_spi_id,
  62        .driver = {
  63                .acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match),
  64                .name   = "bmc150_magn_spi",
  65        },
  66};
  67module_spi_driver(bmc150_magn_spi_driver);
  68
  69MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
  70MODULE_DESCRIPTION("BMC150 magnetometer SPI driver");
  71MODULE_LICENSE("GPL v2");
  72