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Haavard Skinnemoen964d2192008-08-05 13:49:09 +02001/*
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
Julien Maycaf18f12008-09-24 10:30:47 +020024void at32_select_periph(unsigned int port, unsigned int pin,
25 unsigned int periph, unsigned long flags);
Haavard Skinnemoen964d2192008-08-05 13:49:09 +020026void at32_select_gpio(unsigned int pin, unsigned long flags);
Haavard Skinnemoenece26782008-09-19 17:13:28 +020027void at32_deselect_pin(unsigned int pin);
Haavard Skinnemoen964d2192008-08-05 13:49:09 +020028void at32_reserve_pin(unsigned int pin);
29
30#endif /* __ASM_ARCH_PORTMUX_H__ */