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