linux-sg2042/arch/arm/plat-orion/include/plat/gpio.h

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859 B
C

/*
* arch/arm/plat-orion/include/plat/gpio.h
*
* Marvell Orion SoC GPIO handling.
*
* This file is licensed under the terms of the GNU General Public
* License version 2. This program is licensed "as is" without any
* warranty of any kind, whether express or implied.
*/
#ifndef __PLAT_GPIO_H
#define __PLAT_GPIO_H
#include <linux/init.h>
#include <linux/types.h>
/*
* Orion-specific GPIO API extensions.
*/
void orion_gpio_set_unused(unsigned pin);
void orion_gpio_set_blink(unsigned pin, int blink);
#define GPIO_INPUT_OK (1 << 0)
#define GPIO_OUTPUT_OK (1 << 1)
void orion_gpio_set_valid(unsigned pin, int mode);
/* Initialize gpiolib. */
void __init orion_gpio_init(int gpio_base, int ngpio,
u32 base, int mask_offset, int secondary_irq_base);
/*
* GPIO interrupt handling.
*/
void orion_gpio_irq_handler(int irqoff);
#endif