ssm2602-i2c.c 1.3 KB

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  1. // SPDX-License-Identifier: GPL-2.0-only
  2. /*
  3. * SSM2602/SSM2603/SSM2604 I2C audio driver
  4. *
  5. * Copyright 2014 Analog Devices Inc.
  6. */
  7. #include <linux/module.h>
  8. #include <linux/i2c.h>
  9. #include <linux/regmap.h>
  10. #include <sound/soc.h>
  11. #include "ssm2602.h"
  12. /*
  13. * ssm2602 2 wire address is determined by GPIO5
  14. * state during powerup.
  15. * low = 0x1a
  16. * high = 0x1b
  17. */
  18. static int ssm2602_i2c_probe(struct i2c_client *client,
  19. const struct i2c_device_id *id)
  20. {
  21. return ssm2602_probe(&client->dev, id->driver_data,
  22. devm_regmap_init_i2c(client, &ssm2602_regmap_config));
  23. }
  24. static const struct i2c_device_id ssm2602_i2c_id[] = {
  25. { "ssm2602", SSM2602 },
  26. { "ssm2603", SSM2602 },
  27. { "ssm2604", SSM2604 },
  28. { }
  29. };
  30. MODULE_DEVICE_TABLE(i2c, ssm2602_i2c_id);
  31. static const struct of_device_id ssm2602_of_match[] = {
  32. { .compatible = "adi,ssm2602", },
  33. { .compatible = "adi,ssm2603", },
  34. { .compatible = "adi,ssm2604", },
  35. { }
  36. };
  37. MODULE_DEVICE_TABLE(of, ssm2602_of_match);
  38. static struct i2c_driver ssm2602_i2c_driver = {
  39. .driver = {
  40. .name = "ssm2602",
  41. .of_match_table = ssm2602_of_match,
  42. },
  43. .probe = ssm2602_i2c_probe,
  44. .id_table = ssm2602_i2c_id,
  45. };
  46. module_i2c_driver(ssm2602_i2c_driver);
  47. MODULE_DESCRIPTION("ASoC SSM2602/SSM2603/SSM2604 I2C driver");
  48. MODULE_AUTHOR("Cliff Cai");
  49. MODULE_LICENSE("GPL");