Commit | Line | Data |
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3c702e99 LW |
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_ */ |