diff options
Diffstat (limited to 'arch/arm/plat-orion/include')
| -rw-r--r-- | arch/arm/plat-orion/include/plat/gpio.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/arch/arm/plat-orion/include/plat/gpio.h b/arch/arm/plat-orion/include/plat/gpio.h new file mode 100644 index 00000000000..54deaf274b5 --- /dev/null +++ b/arch/arm/plat-orion/include/plat/gpio.h @@ -0,0 +1,39 @@ +/* + * 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_edge_chip; +extern struct irq_chip orion_gpio_irq_level_chip; +void orion_gpio_irq_handler(int irqoff); + + +#endif |