diff options
Diffstat (limited to 'include/asm-powerpc/gpio.h')
-rw-r--r-- | include/asm-powerpc/gpio.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/include/asm-powerpc/gpio.h b/include/asm-powerpc/gpio.h new file mode 100644 index 000000000000..77ad3a890f30 --- /dev/null +++ b/include/asm-powerpc/gpio.h | |||
@@ -0,0 +1,56 @@ | |||
1 | /* | ||
2 | * Generic GPIO API implementation for PowerPC. | ||
3 | * | ||
4 | * Copyright (c) 2007-2008 MontaVista Software, Inc. | ||
5 | * | ||
6 | * Author: Anton Vorontsov <avorontsov@ru.mvista.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 | |||
14 | #ifndef __ASM_POWERPC_GPIO_H | ||
15 | #define __ASM_POWERPC_GPIO_H | ||
16 | |||
17 | #include <linux/errno.h> | ||
18 | #include <asm-generic/gpio.h> | ||
19 | |||
20 | #ifdef CONFIG_HAVE_GPIO_LIB | ||
21 | |||
22 | /* | ||
23 | * We don't (yet) implement inlined/rapid versions for on-chip gpios. | ||
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_HAVE_GPIO_LIB */ | ||
55 | |||
56 | #endif /* __ASM_POWERPC_GPIO_H */ | ||