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 struct spi_driver bmc150_magn_spi_driver = {
  45         .probe          = bmc150_magn_spi_probe,
  46         .remove         = bmc150_magn_spi_remove,
  47         .id_table       = bmc150_magn_spi_id,
  48         .driver = {
  49                 .name   = "bmc150_magn_spi",
  50         },
  51 };
  52 module_spi_driver(bmc150_magn_spi_driver);
  53
  54 MODULE_AUTHOR("Daniel Baluta <daniel.baluta@intel.com");
  55 MODULE_DESCRIPTION("BMC150 magnetometer SPI driver");
  56 MODULE_LICENSE("GPL v2");
  57 MODULE_IMPORT_NS("IIO_BMC150_MAGN");