platdata.h 1.3 KB

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  1. /*
  2. * Copyright (c) 2013 Google, Inc
  3. *
  4. * (C) Copyright 2012
  5. * Pavel Herrmann <morpheus.ibis@gmail.com>
  6. * Marek Vasut <marex@denx.de>
  7. *
  8. * SPDX-License-Identifier: GPL-2.0+
  9. */
  10. #ifndef _DM_PLATDATA_H
  11. #define _DM_PLATDATA_H
  12. #include <linker_lists.h>
  13. /**
  14. * struct driver_info - Information required to instantiate a device
  15. *
  16. * NOTE: Avoid using this except in extreme circumstances, where device tree
  17. * is not feasible (e.g. serial driver in SPL where <8KB of SRAM is
  18. * available). U-Boot's driver model uses device tree for configuration.
  19. *
  20. * @name: Driver name
  21. * @platdata: Driver-specific platform data
  22. * @platdata_size: Size of platform data structure
  23. * @flags: Platform data flags (DM_FLAG_...)
  24. */
  25. struct driver_info {
  26. const char *name;
  27. const void *platdata;
  28. #if CONFIG_IS_ENABLED(OF_PLATDATA)
  29. uint platdata_size;
  30. #endif
  31. };
  32. /**
  33. * NOTE: Avoid using these except in extreme circumstances, where device tree
  34. * is not feasible (e.g. serial driver in SPL where <8KB of SRAM is
  35. * available). U-Boot's driver model uses device tree for configuration.
  36. */
  37. #define U_BOOT_DEVICE(__name) \
  38. ll_entry_declare(struct driver_info, __name, driver_info)
  39. /* Declare a list of devices. The argument is a driver_info[] array */
  40. #define U_BOOT_DEVICES(__name) \
  41. ll_entry_declare_list(struct driver_info, __name, driver_info)
  42. #endif