diff options
| author | Johannes Weiner <jw@emlix.com> | 2009-03-04 16:21:32 +0100 |
|---|---|---|
| committer | Chris Zankel <chris@zankel.net> | 2009-04-02 23:43:36 -0700 |
| 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 00000000000..0763b076396 --- /dev/null +++ b/arch/xtensa/include/asm/gpio.h @@ -0,0 +1,56 @@ +/* + * Generic GPIO API implementation for xtensa. + * + * Stolen from x86, which is derived from the generic GPIO API for powerpc: + * + * Copyright (c) 2007-2008 MontaVista Software, Inc. + * + * Author: Anton Vorontsov <avorontsov@ru.mvista.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef _ASM_XTENSA_GPIO_H +#define _ASM_XTENSA_GPIO_H + +#include <asm-generic/gpio.h> + +#ifdef CONFIG_GPIOLIB + +/* + * Just call gpiolib. + */ +static inline int gpio_get_value(unsigned int gpio) +{ + return __gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned int gpio, int value) +{ + __gpio_set_value(gpio, value); +} + +static inline int gpio_cansleep(unsigned int gpio) +{ + return __gpio_cansleep(gpio); +} + +/* + * Not implemented, yet. + */ +static inline int gpio_to_irq(unsigned int gpio) +{ + return -ENOSYS; +} + +static inline int irq_to_gpio(unsigned int irq) +{ + return -EINVAL; +} + +#endif /* CONFIG_GPIOLIB */ + +#endif /* _ASM_XTENSA_GPIO_H */ |