| Linus Walleij | 3c702e9 | 2015-10-21 15:29:53 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * <linux/gpio.h> - userspace ABI for the GPIO character devices |
| 3 | * |
| 4 | * Copyright (C) 2015 Linus Walleij |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify it |
| 7 | * under the terms of the GNU General Public License version 2 as published by |
| 8 | * the Free Software Foundation. |
| 9 | */ |
| 10 | #ifndef _UAPI_GPIO_H_ |
| 11 | #define _UAPI_GPIO_H_ |
| 12 | |
| 13 | #include <linux/ioctl.h> |
| 14 | #include <linux/types.h> |
| 15 | |
| 16 | /** |
| 17 | * struct gpiochip_info - Information about a certain GPIO chip |
| 18 | * @name: the name of this GPIO chip |
| 19 | * @lines: number of GPIO lines on this chip |
| 20 | */ |
| 21 | struct gpiochip_info { |
| 22 | char name[32]; |
| 23 | __u32 lines; |
| 24 | }; |
| 25 | |
| 26 | #define GPIO_GET_CHIPINFO_IOCTL _IOR('o', 0x01, struct gpiochip_info) |
| 27 | |
| 28 | #endif /* _UAPI_GPIO_H_ */ |