diff options
Diffstat (limited to 'include')
-rw-r--r-- | include/asm-arm/arch-ns9xxx/gpio.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/include/asm-arm/arch-ns9xxx/gpio.h b/include/asm-arm/arch-ns9xxx/gpio.h new file mode 100644 index 000000000000..adbca08583c0 --- /dev/null +++ b/include/asm-arm/arch-ns9xxx/gpio.h | |||
@@ -0,0 +1,47 @@ | |||
1 | /* | ||
2 | * include/asm-arm/arch-ns9xxx/gpio.h | ||
3 | * | ||
4 | * Copyright (C) 2007 by Digi International Inc. | ||
5 | * All rights reserved. | ||
6 | * | ||
7 | * This program is free software; you can redistribute it and/or modify it | ||
8 | * under the terms of the GNU General Public License version 2 as published by | ||
9 | * the Free Software Foundation. | ||
10 | */ | ||
11 | #ifndef __ASM_ARCH_GPIO_H | ||
12 | #define __ASM_ARCH_GPIO_H | ||
13 | |||
14 | #include <asm/errno.h> | ||
15 | |||
16 | int gpio_request(unsigned gpio, const char *label); | ||
17 | |||
18 | void gpio_free(unsigned gpio); | ||
19 | |||
20 | int ns9xxx_gpio_configure(unsigned gpio, int inv, int func); | ||
21 | |||
22 | int gpio_direction_input(unsigned gpio); | ||
23 | |||
24 | int gpio_direction_output(unsigned gpio, int value); | ||
25 | |||
26 | int gpio_get_value(unsigned gpio); | ||
27 | |||
28 | void gpio_set_value(unsigned gpio, int value); | ||
29 | |||
30 | /* | ||
31 | * ns9xxx can use gpio pins to trigger an irq, but it's not generic | ||
32 | * enough to be supported by the gpio_to_irq/irq_to_gpio interface | ||
33 | */ | ||
34 | static inline int gpio_to_irq(unsigned gpio) | ||
35 | { | ||
36 | return -EINVAL; | ||
37 | } | ||
38 | |||
39 | static inline int irq_to_gpio(unsigned irq) | ||
40 | { | ||
41 | return -EINVAL; | ||
42 | } | ||
43 | |||
44 | /* get the cansleep() stubs */ | ||
45 | #include <asm-generic/gpio.h> | ||
46 | |||
47 | #endif /* ifndef __ASM_ARCH_GPIO_H */ | ||