diff options
author | Philipp Zabel <philipp.zabel@gmail.com> | 2007-02-12 03:53:15 -0500 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 12:48:34 -0500 |
commit | 390414badebe45a2f556a04ece1fd99191aa6397 (patch) | |
tree | 8491b5e2f6ee05d2b2e04b7ae8e0e3ddd0c2e237 | |
parent | 920fe7a8d0aba9782d1f924a02ece146acbf6686 (diff) |
[PATCH] S3C2410 GPIO wrappers
Arch-neutral GPIO calls for S3C24xx.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r-- | include/asm-arm/arch-s3c2410/gpio.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/include/asm-arm/arch-s3c2410/gpio.h b/include/asm-arm/arch-s3c2410/gpio.h new file mode 100644 index 000000000000..67b8b9ab22e9 --- /dev/null +++ b/include/asm-arm/arch-s3c2410/gpio.h | |||
@@ -0,0 +1,65 @@ | |||
1 | /* | ||
2 | * linux/include/asm-arm/arch-pxa/gpio.h | ||
3 | * | ||
4 | * S3C2400 GPIO wrappers for arch-neutral GPIO calls | ||
5 | * | ||
6 | * Written by Philipp Zabel <philipp.zabel@gmail.com> | ||
7 | * | ||
8 | * This program is free software; you can redistribute it and/or modify | ||
9 | * it under the terms of the GNU General Public License as published by | ||
10 | * the Free Software Foundation; either version 2 of the License, or | ||
11 | * (at your option) any later version. | ||
12 | * | ||
13 | * This program is distributed in the hope that it will be useful, | ||
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
16 | * GNU General Public License for more details. | ||
17 | * | ||
18 | * You should have received a copy of the GNU General Public License | ||
19 | * along with this program; if not, write to the Free Software | ||
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
21 | * | ||
22 | */ | ||
23 | |||
24 | #ifndef __ASM_ARCH_PXA_GPIO_H | ||
25 | #define __ASM_ARCH_PXA_GPIO_H | ||
26 | |||
27 | #include <asm/arch/pxa-regs.h> | ||
28 | #include <asm/arch/irqs.h> | ||
29 | #include <asm/arch/hardware.h> | ||
30 | |||
31 | #include <asm/errno.h> | ||
32 | |||
33 | static inline int gpio_request(unsigned gpio, const char *label) | ||
34 | { | ||
35 | return 0; | ||
36 | } | ||
37 | |||
38 | static inline void gpio_free(unsigned gpio) | ||
39 | { | ||
40 | return; | ||
41 | } | ||
42 | |||
43 | static inline int gpio_direction_input(unsigned gpio) | ||
44 | { | ||
45 | s3c2410_gpio_cfgpin(gpio, S3C2410_GPIO_INPUT); | ||
46 | return 0; | ||
47 | } | ||
48 | |||
49 | static inline int gpio_direction_output(unsigned gpio) | ||
50 | { | ||
51 | s3c2410_gpio_cfgpin(gpio, S3C2410_GPIO_OUTPUT); | ||
52 | return 0; | ||
53 | } | ||
54 | |||
55 | #define gpio_get_value(gpio) s3c2410_gpio_getpin(gpio) | ||
56 | #define gpio_set_value(gpio,value) s3c2410_gpio_setpin(gpio, value) | ||
57 | |||
58 | #include <asm-generic/gpio.h> /* cansleep wrappers */ | ||
59 | |||
60 | /* FIXME or maybe s3c2400_gpio_getirq() ... */ | ||
61 | #define gpio_to_irq(gpio) s3c2410_gpio_getirq(gpio) | ||
62 | |||
63 | /* FIXME implement irq_to_gpio() */ | ||
64 | |||
65 | #endif | ||