diff options
Diffstat (limited to 'arch/arm/mach-nomadik/include/mach/gpio.h')
| -rw-r--r-- | arch/arm/mach-nomadik/include/mach/gpio.h | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/arch/arm/mach-nomadik/include/mach/gpio.h b/arch/arm/mach-nomadik/include/mach/gpio.h new file mode 100644 index 0000000000..311758ae1a --- /dev/null +++ b/arch/arm/mach-nomadik/include/mach/gpio.h @@ -0,0 +1,26 @@ +/* + * (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__ */ |