| /* |
| * arch/arm/mach-ns9xxx/include/mach/gpio.h |
| * |
| * Copyright (C) 2007 by Digi International Inc. |
| * All rights reserved. |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 as published by |
| * the Free Software Foundation. |
| */ |
| #ifndef __ASM_ARCH_GPIO_H |
| #define __ASM_ARCH_GPIO_H |
| |
| #include <asm/errno.h> |
| |
| int gpio_request(unsigned gpio, const char *label); |
| |
| void gpio_free(unsigned gpio); |
| |
| int ns9xxx_gpio_configure(unsigned gpio, int inv, int func); |
| |
| int gpio_direction_input(unsigned gpio); |
| |
| int gpio_direction_output(unsigned gpio, int value); |
| |
| int gpio_get_value(unsigned gpio); |
| |
| void gpio_set_value(unsigned gpio, int value); |
| |
| /* |
| * ns9xxx can use gpio pins to trigger an irq, but it's not generic |
| * enough to be supported by the gpio_to_irq/irq_to_gpio interface |
| */ |
| static inline int gpio_to_irq(unsigned gpio) |
| { |
| return -EINVAL; |
| } |
| |
| static inline int irq_to_gpio(unsigned irq) |
| { |
| return -EINVAL; |
| } |
| |
| /* get the cansleep() stubs */ |
| #include <asm-generic/gpio.h> |
| |
| #endif /* ifndef __ASM_ARCH_GPIO_H */ |
