include/linux/w1-gpio.h

   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 /**
  14  * struct w1_gpio_platform_data - Platform-dependent data for w1-gpio
  15  * @pin: GPIO pin to use
  16  * @is_open_drain: GPIO pin is configured as open drain
  17  */
  18 struct w1_gpio_platform_data {
  19         unsigned int pin;
  20         unsigned int is_open_drain:1;
  21         void (*enable_external_pullup)(int enable);
  22         unsigned int ext_pullup_enable_pin;
  23         unsigned int pullup_duration;
  24 };
  25
  26 #endif /* _LINUX_W1_GPIO_H */