diff options
Diffstat (limited to 'include/asm-arm/arch-mxc/gpio.h')
| -rw-r--r-- | include/asm-arm/arch-mxc/gpio.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/asm-arm/arch-mxc/gpio.h b/include/asm-arm/arch-mxc/gpio.h new file mode 100644 index 00000000000..d393e15f5a6 --- /dev/null +++ b/include/asm-arm/arch-mxc/gpio.h @@ -0,0 +1,42 @@ +/* + * Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved. + * Copyright 2008 Juergen Beisert, kernel@pengutronix.de + * + * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef __ASM_ARCH_MXC_GPIO_H__ +#define __ASM_ARCH_MXC_GPIO_H__ + +#include <asm/hardware.h> +#include <asm-generic/gpio.h> + +/* use gpiolib dispatchers */ +#define gpio_get_value __gpio_get_value +#define gpio_set_value __gpio_set_value +#define gpio_cansleep __gpio_cansleep + +#define gpio_to_irq(gpio) (MXC_MAX_INT_LINES + (gpio)) +#define irq_to_gpio(irq) ((irq) - MXC_MAX_INT_LINES) + +struct mxc_gpio_port { + void __iomem *base; + int irq; + int virtual_irq_start; + struct gpio_chip chip; +}; + +int mxc_gpio_init(struct mxc_gpio_port*, int); + +#endif |