|  | /* | 
|  | * AT32 portmux interface. | 
|  | * | 
|  | * Copyright (C) 2006 Atmel Corporation | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License version 2 as | 
|  | * published by the Free Software Foundation. | 
|  | */ | 
|  | #ifndef __ASM_ARCH_PORTMUX_H__ | 
|  | #define __ASM_ARCH_PORTMUX_H__ | 
|  |  | 
|  | /* | 
|  | * Set up pin multiplexing, called from board init only. | 
|  | * | 
|  | * The following flags determine the initial state of the pin. | 
|  | */ | 
|  | #define AT32_GPIOF_PULLUP	0x00000001	/* (not-OUT) Enable pull-up */ | 
|  | #define AT32_GPIOF_OUTPUT	0x00000002	/* (OUT) Enable output driver */ | 
|  | #define AT32_GPIOF_HIGH		0x00000004	/* (OUT) Set output high */ | 
|  | #define AT32_GPIOF_DEGLITCH	0x00000008	/* (IN) Filter glitches */ | 
|  | #define AT32_GPIOF_MULTIDRV	0x00000010	/* Enable multidriver option */ | 
|  |  | 
|  | void at32_select_periph(unsigned int pin, unsigned int periph, | 
|  | unsigned long flags); | 
|  | void at32_select_gpio(unsigned int pin, unsigned long flags); | 
|  | void at32_reserve_pin(unsigned int pin); | 
|  |  | 
|  | #endif /* __ASM_ARCH_PORTMUX_H__ */ |