drivers/iio/magnetometer/bmc150_magn_spi.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * 3-axis magnetometer driver support following SPI Bosch-Sensortec chips:
   4  *  - BMC150
   5  *  - BMC156
   6  *  - BMM150
   7  *
   8  * Copyright (c) 2016, Intel Corporation.
   9  */
  10 #include <linux/module.h>
  11 #include <linux/mod_devicetable.h>
  12 #include <linux/spi/spi.h>
  13 #include <linux/regmap.h>
  14
  15 #include "bmc150_magn.h"
  16
  17 static int bmc150_magn_spi_probe(struct spi_device *spi)
  18 {
  19         struct regmap *regmap;
  20         const struct spi_device_id *id = spi_get_device_id(spi);
  21
  22         regmap = devm_regmap_init_spi(spi, &bmc150_magn_regmap_config);
  23         if (IS_ERR(regmap)) {
  24                 dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
  25                         regmap);
  26                 return PTR_ERR(regmap);
  27         }
  28         return bmc150_magn_probe(&spi->dev, regmap, spi->irq, id->name);
  29 }
  30
  31 static void bmc150_magn_spi_remove(struct spi_device *spi)
  32 {
  33         bmc150_magn_remove(&spi->dev);
  34 }
  35
  36 static const struct spi_device_id bmc150_magn_spi_id[] = {
  37         {"bmc150_magn", 0},
  38         {"bmc156_magn", 0},
  39         {"bmm150_magn", 0},
  40         {}
  41 };
  42 MODULE_DEVICE_TABLE(spi, bmc150_magn_spi_id);
  43
  44 static const struct acpi_device_id bmc150_magn_acpi_match[] = {
  45         {"BMC150B", 0},
  46         {"BMC156B", 0},
  47         {"BMM150B", 0},
  48         {},
  49 };
  50 MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match);
  51
  52 static struct spi_driver bmc150_magn_spi_driver = {
  53         .probe          = bmc150_magn_spi_probe,
  54         .remove         = bmc150_magn_spi_remove,
  55         .id_table       = bmc150_magn_spi_id,
  56         .driver = {
  57                 .acpi_match_table = bmc150_magn_acpi_match,
  58                 .name   = "bmc150_magn_spi",
  59         },
  60 };
  61 module_spi_driver(bmc150_magn_spi_driver);
  62
  63 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
  64 MODULE_DESCRIPTION("BMC150 magnetometer SPI driver");
  65 MODULE_LICENSE("GPL v2");
  66 MODULE_IMPORT_NS(IIO_BMC150_MAGN);