projects / mirror_ubuntu-focal-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 689f2a01 UKK |
1 | /* |
| 2 | * include/asm-arm/arch-ns9xxx/gpio.h | |
| 3 | * | |
| 4 | * Copyright (C) 2007 by Digi International Inc. | |
| 5 | * All rights reserved. | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify it | |
| 8 | * under the terms of the GNU General Public License version 2 as published by | |
| 9 | * the Free Software Foundation. | |
| 10 | */ | |
| 11 | #ifndef __ASM_ARCH_GPIO_H | |
| 12 | #define __ASM_ARCH_GPIO_H | |
| 13 | ||
| 14 | #include <asm/errno.h> | |
| 15 | ||
| 16 | int gpio_request(unsigned gpio, const char *label); | |
| 17 | ||
| 18 | void gpio_free(unsigned gpio); | |
| 19 | ||
| 20 | int ns9xxx_gpio_configure(unsigned gpio, int inv, int func); | |
| 21 | ||
| 22 | int gpio_direction_input(unsigned gpio); | |
| 23 | ||
| 24 | int gpio_direction_output(unsigned gpio, int value); | |
| 25 | ||
| 26 | int gpio_get_value(unsigned gpio); | |
| 27 | ||
| 28 | void gpio_set_value(unsigned gpio, int value); | |
| 29 | ||
| 30 | /* | |
| 31 | * ns9xxx can use gpio pins to trigger an irq, but it's not generic | |
| 32 | * enough to be supported by the gpio_to_irq/irq_to_gpio interface | |
| 33 | */ | |
| 34 | static inline int gpio_to_irq(unsigned gpio) | |
| 35 | { | |
| 36 | return -EINVAL; | |
| 37 | } | |
| 38 | ||
| 39 | static inline int irq_to_gpio(unsigned irq) | |
| 40 | { | |
| 41 | return -EINVAL; | |
| 42 | } | |
| 43 | ||
| 44 | /* get the cansleep() stubs */ | |
| 45 | #include <asm-generic/gpio.h> | |
| 46 | ||
| 47 | #endif /* ifndef __ASM_ARCH_GPIO_H */ |