| /* |
| * 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 |
| |
| #define OMAP24XX_GPIO_REVISION 0x0000 |
| #define OMAP24XX_GPIO_SYSCONFIG 0x0010 |
| #define OMAP24XX_GPIO_SYSSTATUS 0x0014 |
| #define OMAP24XX_GPIO_IRQSTATUS1 0x0018 |
| #define OMAP24XX_GPIO_IRQSTATUS2 0x0028 |
| #define OMAP24XX_GPIO_IRQENABLE2 0x002c |
| #define OMAP24XX_GPIO_IRQENABLE1 0x001c |
| #define OMAP24XX_GPIO_WAKE_EN 0x0020 |
| #define OMAP24XX_GPIO_CTRL 0x0030 |
| #define OMAP24XX_GPIO_OE 0x0034 |
| #define OMAP24XX_GPIO_DATAIN 0x0038 |
| #define OMAP24XX_GPIO_DATAOUT 0x003c |
| #define OMAP24XX_GPIO_LEVELDETECT0 0x0040 |
| #define OMAP24XX_GPIO_LEVELDETECT1 0x0044 |
| #define OMAP24XX_GPIO_RISINGDETECT 0x0048 |
| #define OMAP24XX_GPIO_FALLINGDETECT 0x004c |
| #define OMAP24XX_GPIO_DEBOUNCE_EN 0x0050 |
| #define OMAP24XX_GPIO_DEBOUNCE_VAL 0x0054 |
| #define OMAP24XX_GPIO_CLEARIRQENABLE1 0x0060 |
| #define OMAP24XX_GPIO_SETIRQENABLE1 0x0064 |
| #define OMAP24XX_GPIO_CLEARWKUENA 0x0080 |
| #define OMAP24XX_GPIO_SETWKUENA 0x0084 |
| #define OMAP24XX_GPIO_CLEARDATAOUT 0x0090 |
| #define OMAP24XX_GPIO_SETDATAOUT 0x0094 |
| |
| struct gpio_bank { |
| void *base; |
| int method; |
| }; |
| |
| #define METHOD_GPIO_24XX 4 |
| |
| /* This is the interface */ |
| |
| /* Request a gpio before using it */ |
| int omap_request_gpio(int gpio); |
| /* Reset and free a gpio after using it */ |
| void omap_free_gpio(int gpio); |
| /* Sets the gpio as input or output */ |
| void omap_set_gpio_direction(int gpio, int is_input); |
| /* Set or clear a gpio output */ |
| void omap_set_gpio_dataout(int gpio, int enable); |
| /* Get the value of a gpio input */ |
| int omap_get_gpio_datain(int gpio); |
| |
| #endif /* _GPIO_H_ */ |
