diff options
Diffstat (limited to 'include/asm-arm/arch-nomadik/gpio.h')
| -rw-r--r-- | include/asm-arm/arch-nomadik/gpio.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/asm-arm/arch-nomadik/gpio.h b/include/asm-arm/arch-nomadik/gpio.h new file mode 100644 index 0000000..1d3c9ce --- /dev/null +++ b/include/asm-arm/arch-nomadik/gpio.h @@ -0,0 +1,42 @@ +/* + * (C) Copyright 2009 Alessandro Rubini + * + * 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 __NMK_GPIO_H__ +#define __NMK_GPIO_H__ + +/* + * These functions are called from the soft-i2c driver, but + * are also used by board files to set output bits. + */ + +enum nmk_af { /* alternate function settings */ + GPIO_GPIO = 0, + GPIO_ALT_A, + GPIO_ALT_B, + GPIO_ALT_C +}; + +extern void nmk_gpio_af(int gpio, int alternate_function); +extern void nmk_gpio_dir(int gpio, int dir); +extern void nmk_gpio_set(int gpio, int val); +extern int nmk_gpio_get(int gpio); + +#endif /* __NMK_GPIO_H__ */ |