/* * 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 /* * GENERIC_GPIO primitives. */ int gpio_request(unsigned pin, const char *label); void gpio_free(unsigned pin); int gpio_direction_input(unsigned pin); int gpio_direction_output(unsigned pin, int value); int gpio_get_value(unsigned pin); void gpio_set_value(unsigned pin, int value); /* * Orion-specific GPIO API extensions. */ void orion_gpio_set_unused(unsigned pin); void orion_gpio_set_valid(unsigned pin, int valid); void orion_gpio_set_blink(unsigned pin, int blink); /* * GPIO interrupt handling. */ extern struct irq_chip orion_gpio_irq_chip; void orion_gpio_irq_handler(int irqoff); #endif