| /* |
| * Copyright (c) 2009 Wind River Systems, Inc. |
| * Tom Rix <Tom.Rix@windriver.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. |
| * |
| * 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 |
| * |
| * This work is derived from the linux 2.6.27 kernel source |
| * To fetch, use the kernel repository |
| * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git |
| * Use the v2.6.27 tag. |
| * |
| * Below is the original's header including its copyright |
| * |
| * linux/arch/arm/plat-omap/gpio.c |
| * |
| * Support functions for OMAP GPIO |
| * |
| * Copyright (C) 2003-2005 Nokia Corporation |
| * Written by Juha Yrjölä <juha.yrjola@nokia.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| */ |
| #ifndef _GPIO_H |
| #define _GPIO_H |
| |
| #include <asm/arch/cpu.h> |
| |
| struct gpio_bank { |
| void *base; |
| int method; |
| }; |
| |
| extern const struct gpio_bank *const omap_gpio_bank; |
| |
| #define METHOD_GPIO_24XX 4 |
| |
| /** |
| * Check if gpio is valid. |
| * |
| * @param gpio GPIO number |
| * @return 1 if ok, 0 on error |
| */ |
| int gpio_is_valid(int gpio); |
| #endif /* _GPIO_H_ */ |