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include
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linux
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pinctrl
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pinconf.h

pinconf.h 2.0 KB
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  1. /*
    2. 

  2.  * Interface the pinconfig portions of the pinctrl subsystem
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2011 ST-Ericsson SA
    5. 

  5.  * Written on behalf of Linaro for ST-Ericsson
    6. 

  6.  * This interface is used in the core to keep track of pins.
    7. 

  7.  *
    8. 

  8.  * Author: Linus Walleij <linus.walleij@linaro.org>
    9. 

  9.  *
    10. 

  10.  * License terms: GNU General Public License (GPL) version 2
    11. 

  11.  */
    12. 

  12. #ifndef __LINUX_PINCTRL_PINCONF_H
    13. 

  13. #define __LINUX_PINCTRL_PINCONF_H
    14. 

  14. 

  15. #ifdef CONFIG_PINCONF
    16. 

  16. 

  17. struct pinctrl_dev;
    18. 

  18. struct seq_file;
    19. 

  19. 

  20. /**
    21. 

  21.  * struct pinconf_ops - pin config operations, to be implemented by
    22. 

  22.  * pin configuration capable drivers.
    23. 

  23.  * @pin_config_get: get the config of a certain pin, if the requested config
    24. 

  24.  *	is not available on this controller this should return -ENOTSUPP
    25. 

  25.  *	and if it is available but disabled it should return -EINVAL
    26. 

  26.  * @pin_config_get: get the config of a certain pin
    27. 

  27.  * @pin_config_set: configure an individual pin
    28. 

  28.  * @pin_config_group_get: get configurations for an entire pin group
    29. 

  29.  * @pin_config_group_set: configure all pins in a group
    30. 

  30.  * @pin_config_dbg_show: optional debugfs display hook that will provide
    31. 

  31.  *	per-device info for a certain pin in debugfs
    32. 

  32.  * @pin_config_group_dbg_show: optional debugfs display hook that will provide
    33. 

  33.  *	per-device info for a certain group in debugfs
    34. 

  34.  */
    35. 

  35. struct pinconf_ops {
    36. 

  36. 	int (*pin_config_get) (struct pinctrl_dev *pctldev,
    37. 

  37. 			       unsigned pin,
    38. 

  38. 			       unsigned long *config);
    39. 

  39. 	int (*pin_config_set) (struct pinctrl_dev *pctldev,
    40. 

  40. 			       unsigned pin,
    41. 

  41. 			       unsigned long config);
    42. 

  42. 	int (*pin_config_group_get) (struct pinctrl_dev *pctldev,
    43. 

  43. 				     unsigned selector,
    44. 

  44. 				     unsigned long *config);
    45. 

  45. 	int (*pin_config_group_set) (struct pinctrl_dev *pctldev,
    46. 

  46. 				     unsigned selector,
    47. 

  47. 				     unsigned long config);
    48. 

  48. 	void (*pin_config_dbg_show) (struct pinctrl_dev *pctldev,
    49. 

  49. 				     struct seq_file *s,
    50. 

  50. 				     unsigned offset);
    51. 

  51. 	void (*pin_config_group_dbg_show) (struct pinctrl_dev *pctldev,
    52. 

  52. 					   struct seq_file *s,
    53. 

  53. 					   unsigned selector);
    54. 

  54. };
    55. 

  55. 

  56. #endif
    57. 

  57. 

  58. #endif /* __LINUX_PINCTRL_PINCONF_H */
    59.