linux/include/asm-avr32/arch-at32ap/portmux.h
Matteo Vit 7808fa4853 [AVR32] add multidrive support for pio driver
This patch add multidrive support for pio driver

Signed-off-by: Matteo Vit - Dave S.r.l. <matteo.vit@dave.eu>
Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
2007-10-11 11:38:41 +02:00

29 lines
1 KiB
C

/*
* 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__ */