| Haavard Skinnemoen | 964d219 | 2008-08-05 13:49:09 +0200 | [diff] [blame^] | 1 | /* |
| 2 | * AT32 portmux interface. |
| 3 | * |
| 4 | * Copyright (C) 2006 Atmel Corporation |
| 5 | * |
| 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | */ |
| 10 | #ifndef __ASM_ARCH_PORTMUX_H__ |
| 11 | #define __ASM_ARCH_PORTMUX_H__ |
| 12 | |
| 13 | /* |
| 14 | * Set up pin multiplexing, called from board init only. |
| 15 | * |
| 16 | * The following flags determine the initial state of the pin. |
| 17 | */ |
| 18 | #define AT32_GPIOF_PULLUP 0x00000001 /* (not-OUT) Enable pull-up */ |
| 19 | #define AT32_GPIOF_OUTPUT 0x00000002 /* (OUT) Enable output driver */ |
| 20 | #define AT32_GPIOF_HIGH 0x00000004 /* (OUT) Set output high */ |
| 21 | #define AT32_GPIOF_DEGLITCH 0x00000008 /* (IN) Filter glitches */ |
| 22 | #define AT32_GPIOF_MULTIDRV 0x00000010 /* Enable multidriver option */ |
| 23 | |
| 24 | void at32_select_periph(unsigned int pin, unsigned int periph, |
| 25 | unsigned long flags); |
| 26 | void at32_select_gpio(unsigned int pin, unsigned long flags); |
| 27 | void at32_reserve_pin(unsigned int pin); |
| 28 | |
| 29 | #endif /* __ASM_ARCH_PORTMUX_H__ */ |