From 000af2c5a8913ebd763313d0c9ebc66c2c4765b1 Mon Sep 17 00:00:00 2001 From: Johannes Weiner Date: Wed, 4 Mar 2009 16:21:32 +0100 Subject: xtensa: s6000 variant Support for the Stretch S6000 Xtensa core variant. Signed-off-by: Johannes Weiner Signed-off-by: Oskar Schirmer Signed-off-by: Chris Zankel --- arch/xtensa/include/asm/gpio.h | 56 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) create mode 100644 arch/xtensa/include/asm/gpio.h (limited to 'arch/xtensa/include/asm') 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 + * + * 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 + +#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 */ -- cgit v1.2.3