diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 15:15:25 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-04-03 15:15:25 -0700 |
commit | 4e76c5ccd5ac9bd003467d3bb0f49b18572dd4cd (patch) | |
tree | 1c1b58b1964fec04ae7f830b53a47f1693993135 /arch/xtensa/include/asm/gpio.h | |
parent | b983471794e568fd71fa767da77a62ba517c3e63 (diff) | |
parent | 65127d28e312bb6b38ce84a7bb71d762ef63ad4c (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/czankel/xtensa-2.6: (21 commits)
xtensa: we don't need to include asm/io.h
xtensa: only build platform or variant if they contain a Makefile
xtensa: make startup code discardable
xtensa: ccount clocksource
xtensa: remove platform rtc hooks
xtensa: use generic sched_clock()
xtensa: platform: s6105
xtensa: let platform override KERNELOFFSET
xtensa: s6000 variant
xtensa: s6000 variant core definitions
xtensa: variant irq set callbacks
xtensa: variant-specific code
xtensa: nommu support
xtensa: add flat support
xtensa: enforce slab alignment to maximum register width
xtensa: cope with ram beginning at higher addresses
xtensa: don't make bootmem bitmap larger than required
xtensa: fix init_bootmem_node() argument order
xtensa: use correct stack pointer for stack traces
xtensa: beat Kconfig into shape
...
Diffstat (limited to 'arch/xtensa/include/asm/gpio.h')
-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 */ |