| /* | |
| * (C) Copyright 2009 Alessandro Rubini | |
| * | |
| * SPDX-License-Identifier: GPL-2.0+ | |
| */ | |
| #ifndef __NMK_GPIO_H__ | |
| #define __NMK_GPIO_H__ | |
| /* | |
| * These functions are called from the soft-i2c driver, but | |
| * are also used by board files to set output bits. | |
| */ | |
| enum nmk_af { /* alternate function settings */ | |
| GPIO_GPIO = 0, | |
| GPIO_ALT_A, | |
| GPIO_ALT_B, | |
| GPIO_ALT_C | |
| }; | |
| extern void nmk_gpio_af(int gpio, int alternate_function); | |
| extern void nmk_gpio_dir(int gpio, int dir); | |
| extern void nmk_gpio_set(int gpio, int val); | |
| extern int nmk_gpio_get(int gpio); | |
| #endif /* __NMK_GPIO_H__ */ |