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 */ 27