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/acpi.h>
  14 #include <linux/regmap.h>
  15
  16 #include "bmc150_magn.h"
  17
  18 static int bmc150_magn_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, &bmc150_magn_regmap_config);
  24         if (IS_ERR(regmap)) {
  25                 dev_err(&spi->dev, "Failed to register spi regmap: %pe\n",
  26                         regmap);
  27                 return PTR_ERR(regmap);
  28         }
  29         return bmc150_magn_probe(&spi->dev, regmap, spi->irq, id->name);
  30 }
  31
  32 static int bmc150_magn_spi_remove(struct spi_device *spi)
  33 {
  34         bmc150_magn_remove(&spi->dev);
  35
  36         return 0;
  37 }
  38
  39 static const struct spi_device_id bmc150_magn_spi_id[] = {
  40         {"bmc150_magn", 0},
  41         {"bmc156_magn", 0},
  42         {"bmm150_magn", 0},
  43         {}
  44 };
  45 MODULE_DEVICE_TABLE(spi, bmc150_magn_spi_id);
  46
  47 static const struct acpi_device_id bmc150_magn_acpi_match[] = {
  48         {"BMC150B", 0},
  49         {"BMC156B", 0},
  50         {"BMM150B", 0},
  51         {},
  52 };
  53 MODULE_DEVICE_TABLE(acpi, bmc150_magn_acpi_match);
  54
  55 static struct spi_driver bmc150_magn_spi_driver = {
  56         .probe          = bmc150_magn_spi_probe,
  57         .remove         = bmc150_magn_spi_remove,
  58         .id_table       = bmc150_magn_spi_id,
  59         .driver = {
  60                 .acpi_match_table = ACPI_PTR(bmc150_magn_acpi_match),
  61                 .name   = "bmc150_magn_spi",
  62         },
  63 };
  64 module_spi_driver(bmc150_magn_spi_driver);
  65
  66 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
  67 MODULE_DESCRIPTION("BMC150 magnetometer SPI driver");
  68 MODULE_LICENSE("GPL v2");