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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/arch/avr32/mach-at32ap/include/mach/portmux.h
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/*

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 * AT32 portmux interface.

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 *

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 * Copyright (C) 2006 Atmel Corporation

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 *

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 * This program is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License version 2 as

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 * published by the Free Software Foundation.

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 */

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#ifndef __ASM_ARCH_PORTMUX_H__

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#define __ASM_ARCH_PORTMUX_H__

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/*

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 * Set up pin multiplexing, called from board init only.

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 *

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 * The following flags determine the initial state of the pin.

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 */

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#define AT32_GPIOF_PULLUP	0x00000001	/* (not-OUT) Enable pull-up */

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#define AT32_GPIOF_OUTPUT	0x00000002	/* (OUT) Enable output driver */

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#define AT32_GPIOF_HIGH		0x00000004	/* (OUT) Set output high */

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#define AT32_GPIOF_DEGLITCH	0x00000008	/* (IN) Filter glitches */

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#define AT32_GPIOF_MULTIDRV	0x00000010	/* Enable multidriver option */

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void at32_select_periph(unsigned int port, unsigned int pin,

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			unsigned int periph, unsigned long flags);

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void at32_select_gpio(unsigned int pin, unsigned long flags);

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void at32_deselect_pin(unsigned int pin);

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void at32_reserve_pin(unsigned int port, u32 pin_mask);

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#endif /* __ASM_ARCH_PORTMUX_H__ */

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