diff options
author | Ingo Molnar <mingo@elte.hu> | 2008-08-20 12:39:18 +0200 |
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committer | Ingo Molnar <mingo@elte.hu> | 2008-08-20 12:39:18 +0200 |
commit | 170465ee7f5a9a2d0ac71285507e52642e040353 (patch) | |
tree | dbca81f04cde9e625170abbd6a72555cfbeb194e /arch/arm/mach-ns9xxx/include/mach/gpio.h | |
parent | 169ad16bb87c10a3f7c108bb7008ebc0270f617a (diff) | |
parent | 1fca25427482387689fa27594c992a961d98768f (diff) |
Merge branch 'linus' into x86/xen
Diffstat (limited to 'arch/arm/mach-ns9xxx/include/mach/gpio.h')
-rw-r--r-- | arch/arm/mach-ns9xxx/include/mach/gpio.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/arch/arm/mach-ns9xxx/include/mach/gpio.h b/arch/arm/mach-ns9xxx/include/mach/gpio.h new file mode 100644 index 000000000000..5eb349032579 --- /dev/null +++ b/arch/arm/mach-ns9xxx/include/mach/gpio.h @@ -0,0 +1,47 @@ +/* + * arch/arm/mach-ns9xxx/include/mach/gpio.h + * + * Copyright (C) 2007 by Digi International Inc. + * All rights reserved. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published by + * the Free Software Foundation. +*/ +#ifndef __ASM_ARCH_GPIO_H +#define __ASM_ARCH_GPIO_H + +#include <asm/errno.h> + +int gpio_request(unsigned gpio, const char *label); + +void gpio_free(unsigned gpio); + +int ns9xxx_gpio_configure(unsigned gpio, int inv, int func); + +int gpio_direction_input(unsigned gpio); + +int gpio_direction_output(unsigned gpio, int value); + +int gpio_get_value(unsigned gpio); + +void gpio_set_value(unsigned gpio, int value); + +/* + * ns9xxx can use gpio pins to trigger an irq, but it's not generic + * enough to be supported by the gpio_to_irq/irq_to_gpio interface + */ +static inline int gpio_to_irq(unsigned gpio) +{ + return -EINVAL; +} + +static inline int irq_to_gpio(unsigned irq) +{ + return -EINVAL; +} + +/* get the cansleep() stubs */ +#include <asm-generic/gpio.h> + +#endif /* ifndef __ASM_ARCH_GPIO_H */ |