]>
Commit | Line | Data |
---|---|---|
0c872ecd TR |
1 | /* |
2 | * Copyright (c) 2009 Wind River Systems, Inc. | |
3 | * Tom Rix <Tom.Rix@windriver.com> | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License as | |
7 | * published by the Free Software Foundation; either version 2 of | |
8 | * the License, or (at your option) any later version. | |
9 | * | |
10 | * This program is distributed in the hope that it will be useful, | |
11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | * GNU General Public License for more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License | |
16 | * along with this program; if not, write to the Free Software | |
17 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, | |
18 | * MA 02111-1307 USA | |
19 | * | |
20 | * This work is derived from the linux 2.6.27 kernel source | |
21 | * To fetch, use the kernel repository | |
22 | * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git | |
23 | * Use the v2.6.27 tag. | |
24 | * | |
25 | * Below is the original's header including its copyright | |
26 | * | |
27 | * linux/arch/arm/plat-omap/gpio.c | |
28 | * | |
29 | * Support functions for OMAP GPIO | |
30 | * | |
31 | * Copyright (C) 2003-2005 Nokia Corporation | |
32 | * Written by Juha Yrjölä <juha.yrjola@nokia.com> | |
33 | * | |
34 | * This program is free software; you can redistribute it and/or modify | |
35 | * it under the terms of the GNU General Public License version 2 as | |
36 | * published by the Free Software Foundation. | |
37 | */ | |
38 | #ifndef _GPIO_H | |
39 | #define _GPIO_H | |
40 | ||
25223a68 | 41 | #include <asm/arch/cpu.h> |
0c872ecd TR |
42 | |
43 | struct gpio_bank { | |
44 | void *base; | |
45 | int method; | |
46 | }; | |
47 | ||
25223a68 A |
48 | extern const struct gpio_bank *const omap_gpio_bank; |
49 | ||
0c872ecd TR |
50 | #define METHOD_GPIO_24XX 4 |
51 | ||
dcee1ab3 NK |
52 | /** |
53 | * Check if gpio is valid. | |
54 | * | |
55 | * @param gpio GPIO number | |
56 | * @return 1 if ok, 0 on error | |
57 | */ | |
58 | int gpio_is_valid(int gpio); | |
0c872ecd | 59 | #endif /* _GPIO_H_ */ |