diff options
author | Paul Mundt <lethal@linux-sh.org> | 2010-08-16 08:32:24 +0400 |
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committer | Paul Mundt <lethal@linux-sh.org> | 2010-08-16 08:32:24 +0400 |
commit | bbcf6e8b66ab2fb5ddab4d0fe40c2e6a5ebe5301 (patch) | |
tree | 071fa9f86dc04a16570be367d04cff3b00c694ad /arch/arm/mach-tegra/include/mach/gpio.h | |
parent | 57682827b9a5edb52e33af0be9082b51bffcd5c7 (diff) | |
parent | da5cabf80e2433131bf0ed8993abc0f7ea618c73 (diff) | |
download | linux-bbcf6e8b66ab2fb5ddab4d0fe40c2e6a5ebe5301.tar.xz |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
arch/sh/include/asm/Kbuild
drivers/Makefile
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/arm/mach-tegra/include/mach/gpio.h')
-rw-r--r-- | arch/arm/mach-tegra/include/mach/gpio.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/include/mach/gpio.h b/arch/arm/mach-tegra/include/mach/gpio.h new file mode 100644 index 000000000000..540e822e50f7 --- /dev/null +++ b/arch/arm/mach-tegra/include/mach/gpio.h @@ -0,0 +1,53 @@ +/* + * arch/arm/mach-tegra/include/mach/gpio.h + * + * Copyright (C) 2010 Google, Inc. + * + * Author: + * Erik Gilling <konkers@google.com> + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ + +#ifndef __MACH_TEGRA_GPIO_H +#define __MACH_TEGRA_GPIO_H + +#include <mach/irqs.h> + +#define ARCH_NR_GPIOS INT_GPIO_NR + +#include <asm-generic/gpio.h> + +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value +#define gpio_cansleep __gpio_cansleep + +#define TEGRA_GPIO_TO_IRQ(gpio) (INT_GPIO_BASE + (gpio)) +#define TEGRA_IRQ_TO_GPIO(irq) ((gpio) - INT_GPIO_BASE) + +static inline int gpio_to_irq(unsigned int gpio) +{ + if (gpio < ARCH_NR_GPIOS) + return INT_GPIO_BASE + gpio; + return -EINVAL; +} + +static inline int irq_to_gpio(unsigned int irq) +{ + if ((irq >= INT_GPIO_BASE) && (irq < INT_GPIO_BASE + INT_GPIO_NR)) + return irq - INT_GPIO_BASE; + return -EINVAL; +} + +void tegra_gpio_enable(int gpio); +void tegra_gpio_disable(int gpio); + +#endif |