release/src-rt-6.x.4708/linux/linux-2.6.36/arch/avr32/mach-at32ap/include/mach/portmux.h

   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 #define AT32_GPIOF_MULTIDRV     0x00000010      /* Enable multidriver option */
  23
  24 void at32_select_periph(unsigned int port, unsigned int pin,
  25                         unsigned int periph, unsigned long flags);
  26 void at32_select_gpio(unsigned int pin, unsigned long flags);
  27 void at32_deselect_pin(unsigned int pin);
  28 void at32_reserve_pin(unsigned int port, u32 pin_mask);
  29
  30 #endif /* __ASM_ARCH_PORTMUX_H__ */