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 23void at32_select_periph(unsigned int pin, unsigned int periph, 24 unsigned long flags); 25void at32_select_gpio(unsigned int pin, unsigned long flags); 26void at32_reserve_pin(unsigned int pin); 27 28#endif /* __ASM_ARCH_PORTMUX_H__ */ 29