bmc150_magn_spi.c 1.6 KB

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