kxsd9-spi.c 1.5 KB

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  1. // SPDX-License-Identifier: GPL-2.0-only
  2. #include <linux/device.h>
  3. #include <linux/kernel.h>
  4. #include <linux/spi/spi.h>
  5. #include <linux/module.h>
  6. #include <linux/mod_devicetable.h>
  7. #include <linux/slab.h>
  8. #include <linux/regmap.h>
  9. #include "kxsd9.h"
  10. static int kxsd9_spi_probe(struct spi_device *spi)
  11. {
  12. static const struct regmap_config config = {
  13. .reg_bits = 8,
  14. .val_bits = 8,
  15. .max_register = 0x0e,
  16. };
  17. struct regmap *regmap;
  18. spi->mode = SPI_MODE_0;
  19. regmap = devm_regmap_init_spi(spi, &config);
  20. if (IS_ERR(regmap)) {
  21. dev_err(&spi->dev, "%s: regmap allocation failed: %ld\n",
  22. __func__, PTR_ERR(regmap));
  23. return PTR_ERR(regmap);
  24. }
  25. return kxsd9_common_probe(&spi->dev,
  26. regmap,
  27. spi_get_device_id(spi)->name);
  28. }
  29. static void kxsd9_spi_remove(struct spi_device *spi)
  30. {
  31. kxsd9_common_remove(&spi->dev);
  32. }
  33. static const struct spi_device_id kxsd9_spi_id[] = {
  34. {"kxsd9", 0},
  35. { },
  36. };
  37. MODULE_DEVICE_TABLE(spi, kxsd9_spi_id);
  38. static const struct of_device_id kxsd9_of_match[] = {
  39. { .compatible = "kionix,kxsd9" },
  40. { }
  41. };
  42. MODULE_DEVICE_TABLE(of, kxsd9_of_match);
  43. static struct spi_driver kxsd9_spi_driver = {
  44. .driver = {
  45. .name = "kxsd9",
  46. .pm = pm_ptr(&kxsd9_dev_pm_ops),
  47. .of_match_table = kxsd9_of_match,
  48. },
  49. .probe = kxsd9_spi_probe,
  50. .remove = kxsd9_spi_remove,
  51. .id_table = kxsd9_spi_id,
  52. };
  53. module_spi_driver(kxsd9_spi_driver);
  54. MODULE_AUTHOR("Jonathan Cameron <jic23@kernel.org>");
  55. MODULE_DESCRIPTION("Kionix KXSD9 SPI driver");
  56. MODULE_LICENSE("GPL v2");
  57. MODULE_IMPORT_NS(IIO_KXSD9);