| /* |
| * 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_blink(unsigned pin, int blink); |
| |
| #define GPIO_BIDI_OK (1 << 0) |
| #define GPIO_INPUT_OK (1 << 1) |
| #define GPIO_OUTPUT_OK (1 << 2) |
| void orion_gpio_set_valid(unsigned pin, int mode); |
| |
| /* |
| * GPIO interrupt handling. |
| */ |
| extern struct irq_chip orion_gpio_irq_chip; |
| void orion_gpio_irq_handler(int irqoff); |
| |
| |
| #endif |
