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csu3_am335x
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board-support
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linux-4.9.59+gitAUTOINC+a75d8e9305-ga75d8e9305
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include
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linux
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extcon
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extcon-gpio.h

extcon-gpio.h 1.5 KB
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  1. /*
    2. 

  2.  * Single-state GPIO extcon driver based on extcon class
    3. 

  3.  *
    4. 

  4.  * Copyright (C) 2012 Samsung Electronics
    5. 

  5.  * Author: MyungJoo Ham <myungjoo.ham@samsung.com>
    6. 

  6.  *
    7. 

  7.  * based on switch class driver
    8. 

  8.  * Copyright (C) 2008 Google, Inc.
    9. 

  9.  * Author: Mike Lockwood <lockwood@android.com>
    10. 

  10.  *
    11. 

  11.  * This software is licensed under the terms of the GNU General Public
    12. 

  12.  * License version 2, as published by the Free Software Foundation, and
    13. 

  13.  * may be copied, distributed, and modified under those terms.
    14. 

  14.  *
    15. 

  15.  * This program is distributed in the hope that it will be useful,
    16. 

  16.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
    17. 

  17.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    18. 

  18.  * GNU General Public License for more details.
    19. 

  19.  */
    20. 

  20. #ifndef __EXTCON_GPIO_H__
    21. 

  21. #define __EXTCON_GPIO_H__ __FILE__
    22. 

  22. 

  23. #include <linux/extcon.h>
    24. 

  24. 

  25. /**
    26. 

  26.  * struct gpio_extcon_pdata - A simple GPIO-controlled extcon device.
    27. 

  27.  * @extcon_id:		The unique id of specific external connector.
    28. 

  28.  * @gpio:		Corresponding GPIO.
    29. 

  29.  * @gpio_active_low:	Boolean describing whether gpio active state is 1 or 0
    30. 

  30.  *			If true, low state of gpio means active.
    31. 

  31.  *			If false, high state of gpio means active.
    32. 

  32.  * @debounce:		Debounce time for GPIO IRQ in ms.
    33. 

  33.  * @irq_flags:		IRQ Flags (e.g., IRQF_TRIGGER_LOW).
    34. 

  34.  * @check_on_resume:	Boolean describing whether to check the state of gpio
    35. 

  35.  *			while resuming from sleep.
    36. 

  36.  */
    37. 

  37. struct gpio_extcon_pdata {
    38. 

  38. 	unsigned int extcon_id;
    39. 

  39. 	unsigned gpio;
    40. 

  40. 	bool gpio_active_low;
    41. 

  41. 	unsigned long debounce;
    42. 

  42. 	unsigned long irq_flags;
    43. 

  43. 

  44. 	bool check_on_resume;
    45. 

  45. };
    46. 

  46. 

  47. #endif /* __EXTCON_GPIO_H__ */
    48.