devinfo.h 1.0 KB

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  1. /*
  2. * Per-device information from the pin control system.
  3. * This is the stuff that get included into the device
  4. * core.
  5. *
  6. * Copyright (C) 2012 ST-Ericsson SA
  7. * Written on behalf of Linaro for ST-Ericsson
  8. * This interface is used in the core to keep track of pins.
  9. *
  10. * Author: Linus Walleij <linus.walleij@linaro.org>
  11. *
  12. * License terms: GNU General Public License (GPL) version 2
  13. */
  14. #ifndef PINCTRL_DEVINFO_H
  15. #define PINCTRL_DEVINFO_H
  16. #ifdef CONFIG_PINCTRL
  17. /* The device core acts as a consumer toward pinctrl */
  18. #include <linux/pinctrl/consumer.h>
  19. /**
  20. * struct dev_pin_info - pin state container for devices
  21. * @p: pinctrl handle for the containing device
  22. * @default_state: the default state for the handle, if found
  23. */
  24. struct dev_pin_info {
  25. struct pinctrl *p;
  26. struct pinctrl_state *default_state;
  27. };
  28. extern int pinctrl_bind_pins(struct device *dev);
  29. #else
  30. /* Stubs if we're not using pinctrl */
  31. static inline int pinctrl_bind_pins(struct device *dev)
  32. {
  33. return 0;
  34. }
  35. #endif /* CONFIG_PINCTRL */
  36. #endif /* PINCTRL_DEVINFO_H */