w1-gpio.h 729 B

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  1. /*
  2. * w1-gpio interface to platform code
  3. *
  4. * Copyright (C) 2007 Ville Syrjala <syrjala@sci.fi>
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License version 2
  8. * as published by the Free Software Foundation.
  9. */
  10. #ifndef _LINUX_W1_GPIO_H
  11. #define _LINUX_W1_GPIO_H
  12. /**
  13. * struct w1_gpio_platform_data - Platform-dependent data for w1-gpio
  14. * @pin: GPIO pin to use
  15. * @is_open_drain: GPIO pin is configured as open drain
  16. */
  17. struct w1_gpio_platform_data {
  18. unsigned int pin;
  19. unsigned int is_open_drain:1;
  20. void (*enable_external_pullup)(int enable);
  21. unsigned int ext_pullup_enable_pin;
  22. unsigned int pullup_duration;
  23. };
  24. #endif /* _LINUX_W1_GPIO_H */