diff options
author | Johannes Weiner <jw@emlix.com> | 2009-03-04 10:21:32 -0500 |
---|---|---|
committer | Chris Zankel <chris@zankel.net> | 2009-04-03 02:43:36 -0400 |
commit | 000af2c5a8913ebd763313d0c9ebc66c2c4765b1 (patch) | |
tree | 6dcb884a113e6d90f8d26665b4bdfba067973689 /arch/xtensa/include/asm | |
parent | eff35af9c0c83a24376a67ff88c65679c25c7a51 (diff) |
xtensa: s6000 variant
Support for the Stretch S6000 Xtensa core variant.
Signed-off-by: Johannes Weiner <jw@emlix.com>
Signed-off-by: Oskar Schirmer <os@emlix.com>
Signed-off-by: Chris Zankel <chris@zankel.net>
Diffstat (limited to 'arch/xtensa/include/asm')
-rw-r--r-- | arch/xtensa/include/asm/gpio.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/arch/xtensa/include/asm/gpio.h b/arch/xtensa/include/asm/gpio.h new file mode 100644 index 000000000000..0763b0763960 --- /dev/null +++ b/arch/xtensa/include/asm/gpio.h | |||
@@ -0,0 +1,56 @@ | |||
1 | /* | ||
2 | * Generic GPIO API implementation for xtensa. | ||
3 | * | ||
4 | * Stolen from x86, which is derived from the generic GPIO API for powerpc: | ||
5 | * | ||
6 | * Copyright (c) 2007-2008 MontaVista Software, Inc. | ||
7 | * | ||
8 | * Author: Anton Vorontsov <avorontsov@ru.mvista.com> | ||
9 | * | ||
10 | * This program is free software; you can redistribute it and/or modify | ||
11 | * it under the terms of the GNU General Public License as published by | ||
12 | * the Free Software Foundation; either version 2 of the License, or | ||
13 | * (at your option) any later version. | ||
14 | */ | ||
15 | |||
16 | #ifndef _ASM_XTENSA_GPIO_H | ||
17 | #define _ASM_XTENSA_GPIO_H | ||
18 | |||
19 | #include <asm-generic/gpio.h> | ||
20 | |||
21 | #ifdef CONFIG_GPIOLIB | ||
22 | |||
23 | /* | ||
24 | * Just call gpiolib. | ||
25 | */ | ||
26 | static inline int gpio_get_value(unsigned int gpio) | ||
27 | { | ||
28 | return __gpio_get_value(gpio); | ||
29 | } | ||
30 | |||
31 | static inline void gpio_set_value(unsigned int gpio, int value) | ||
32 | { | ||
33 | __gpio_set_value(gpio, value); | ||
34 | } | ||
35 | |||
36 | static inline int gpio_cansleep(unsigned int gpio) | ||
37 | { | ||
38 | return __gpio_cansleep(gpio); | ||
39 | } | ||
40 | |||
41 | /* | ||
42 | * Not implemented, yet. | ||
43 | */ | ||
44 | static inline int gpio_to_irq(unsigned int gpio) | ||
45 | { | ||
46 | return -ENOSYS; | ||
47 | } | ||
48 | |||
49 | static inline int irq_to_gpio(unsigned int irq) | ||
50 | { | ||
51 | return -EINVAL; | ||
52 | } | ||
53 | |||
54 | #endif /* CONFIG_GPIOLIB */ | ||
55 | |||
56 | #endif /* _ASM_XTENSA_GPIO_H */ | ||