pcm1789-i2c.c 1.4 KB

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  1. // SPDX-License-Identifier: GPL-2.0
  2. // Audio driver for PCM1789 I2C
  3. // Copyright (C) 2018 Bootlin
  4. // Mylène Josserand <[email protected]>
  5. #include <linux/clk.h>
  6. #include <linux/delay.h>
  7. #include <linux/i2c.h>
  8. #include <linux/module.h>
  9. #include <linux/of.h>
  10. #include <linux/regmap.h>
  11. #include "pcm1789.h"
  12. static int pcm1789_i2c_probe(struct i2c_client *client)
  13. {
  14. struct regmap *regmap;
  15. int ret;
  16. regmap = devm_regmap_init_i2c(client, &pcm1789_regmap_config);
  17. if (IS_ERR(regmap)) {
  18. ret = PTR_ERR(regmap);
  19. dev_err(&client->dev, "Failed to allocate regmap: %d\n", ret);
  20. return ret;
  21. }
  22. return pcm1789_common_init(&client->dev, regmap);
  23. }
  24. static void pcm1789_i2c_remove(struct i2c_client *client)
  25. {
  26. pcm1789_common_exit(&client->dev);
  27. }
  28. #ifdef CONFIG_OF
  29. static const struct of_device_id pcm1789_of_match[] = {
  30. { .compatible = "ti,pcm1789", },
  31. { }
  32. };
  33. MODULE_DEVICE_TABLE(of, pcm1789_of_match);
  34. #endif
  35. static const struct i2c_device_id pcm1789_i2c_ids[] = {
  36. { "pcm1789", 0 },
  37. { }
  38. };
  39. MODULE_DEVICE_TABLE(i2c, pcm1789_i2c_ids);
  40. static struct i2c_driver pcm1789_i2c_driver = {
  41. .driver = {
  42. .name = "pcm1789",
  43. .of_match_table = of_match_ptr(pcm1789_of_match),
  44. },
  45. .id_table = pcm1789_i2c_ids,
  46. .probe_new = pcm1789_i2c_probe,
  47. .remove = pcm1789_i2c_remove,
  48. };
  49. module_i2c_driver(pcm1789_i2c_driver);
  50. MODULE_DESCRIPTION("ASoC PCM1789 I2C driver");
  51. MODULE_AUTHOR("Mylène Josserand <[email protected]>");
  52. MODULE_LICENSE("GPL");