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Haavard Skinnemoen5f97f7f2006-09-25 23:32:13 -07001/*
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 */
Haavard Skinnemoenc3e2a792006-12-04 13:46:52 +010010#ifndef __ASM_ARCH_PORTMUX_H__
11#define __ASM_ARCH_PORTMUX_H__
Haavard Skinnemoen5f97f7f2006-09-25 23:32:13 -070012
Haavard Skinnemoenc3e2a792006-12-04 13:46:52 +010013/*
14 * Set up pin multiplexing, called from board init only.
15 *
16 * The following flags determine the initial state of the pin.
17 */
Haavard Skinnemoen6a4e5222007-02-05 16:57:13 +010018#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 */
Matteo Vit7808fa42007-08-09 14:55:34 +020022#define AT32_GPIOF_MULTIDRV 0x00000010 /* Enable multidriver option */
Haavard Skinnemoen5f97f7f2006-09-25 23:32:13 -070023
Haavard Skinnemoenc3e2a792006-12-04 13:46:52 +010024void at32_select_periph(unsigned int pin, unsigned int periph,
25 unsigned long flags);
26void at32_select_gpio(unsigned int pin, unsigned long flags);
Haavard Skinnemoene7f70b82007-01-30 11:01:23 +010027void at32_reserve_pin(unsigned int pin);
Haavard Skinnemoenc3e2a792006-12-04 13:46:52 +010028
29#endif /* __ASM_ARCH_PORTMUX_H__ */