xdpe152c4.c 2.1 KB

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  1. // SPDX-License-Identifier: GPL-2.0-or-later
  2. /*
  3. * Hardware monitoring driver for Infineon Multi-phase Digital VR Controllers
  4. *
  5. * Copyright (c) 2022 Infineon Technologies. All rights reserved.
  6. */
  7. #include <linux/err.h>
  8. #include <linux/i2c.h>
  9. #include <linux/init.h>
  10. #include <linux/kernel.h>
  11. #include <linux/module.h>
  12. #include "pmbus.h"
  13. #define XDPE152_PAGE_NUM 2
  14. static struct pmbus_driver_info xdpe152_info = {
  15. .pages = XDPE152_PAGE_NUM,
  16. .format[PSC_VOLTAGE_IN] = linear,
  17. .format[PSC_VOLTAGE_OUT] = linear,
  18. .format[PSC_TEMPERATURE] = linear,
  19. .format[PSC_CURRENT_IN] = linear,
  20. .format[PSC_CURRENT_OUT] = linear,
  21. .format[PSC_POWER] = linear,
  22. .func[0] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
  23. PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
  24. PMBUS_HAVE_TEMP | PMBUS_HAVE_TEMP2 | PMBUS_HAVE_STATUS_TEMP |
  25. PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT,
  26. .func[1] = PMBUS_HAVE_VIN | PMBUS_HAVE_VOUT | PMBUS_HAVE_STATUS_VOUT |
  27. PMBUS_HAVE_IIN | PMBUS_HAVE_IOUT | PMBUS_HAVE_STATUS_IOUT |
  28. PMBUS_HAVE_POUT | PMBUS_HAVE_PIN | PMBUS_HAVE_STATUS_INPUT,
  29. };
  30. static int xdpe152_probe(struct i2c_client *client)
  31. {
  32. struct pmbus_driver_info *info;
  33. info = devm_kmemdup(&client->dev, &xdpe152_info, sizeof(*info),
  34. GFP_KERNEL);
  35. if (!info)
  36. return -ENOMEM;
  37. return pmbus_do_probe(client, info);
  38. }
  39. static const struct i2c_device_id xdpe152_id[] = {
  40. {"xdpe152c4", 0},
  41. {"xdpe15284", 0},
  42. {}
  43. };
  44. MODULE_DEVICE_TABLE(i2c, xdpe152_id);
  45. static const struct of_device_id __maybe_unused xdpe152_of_match[] = {
  46. {.compatible = "infineon,xdpe152c4"},
  47. {.compatible = "infineon,xdpe15284"},
  48. {}
  49. };
  50. MODULE_DEVICE_TABLE(of, xdpe152_of_match);
  51. static struct i2c_driver xdpe152_driver = {
  52. .driver = {
  53. .name = "xdpe152c4",
  54. .of_match_table = of_match_ptr(xdpe152_of_match),
  55. },
  56. .probe_new = xdpe152_probe,
  57. .id_table = xdpe152_id,
  58. };
  59. module_i2c_driver(xdpe152_driver);
  60. MODULE_AUTHOR("Greg Schwendimann <[email protected]>");
  61. MODULE_DESCRIPTION("PMBus driver for Infineon XDPE152 family");
  62. MODULE_LICENSE("GPL");
  63. MODULE_IMPORT_NS(PMBUS);