From 4e5ae09e56a205685824ebebc91fc43c8b0b973a Mon Sep 17 00:00:00 2001 From: Tom Warren Date: Fri, 17 Jun 2011 06:27:28 +0000 Subject: GPIO: Tegra2: add GPIO driver for Tegra2 Signed-off-by: Tom Warren --- arch/arm/include/asm/gpio.h | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 arch/arm/include/asm/gpio.h (limited to 'arch/arm/include/asm/gpio.h') diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h new file mode 100644 index 0000000000..eb071d1824 --- /dev/null +++ b/arch/arm/include/asm/gpio.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2011, NVIDIA Corp. All rights reserved. + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * 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. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#ifndef _GPIO_H_ +#define _GPIO_H_ + +#include +/* + * Generic GPIO API + */ + +int gpio_request(int gp, const char *label); +void gpio_free(int gp); +void gpio_toggle_value(int gp); +int gpio_direction_input(int gp); +int gpio_direction_output(int gp, int value); +int gpio_get_value(int gp); +void gpio_set_value(int gp, int value); + +#endif /* _GPIO_H_ */ -- cgit v1.2.1