linux-vybrid_public/arch/m68k/platform/5272/gpio.c

/*
 * Coldfire generic GPIO support
 *
 * (C) Copyright 2009, Steven King <sfking@fdwdc.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
*/

#include <linux/kernel.h>
#include <linux/init.h>

#include <asm/coldfire.h>
#include <asm/mcfsim.h>
#include <asm/mcfgpio.h>

static struct mcf_gpio_chip mcf_gpio_chips[] = {
	MCFGPS(PA,  0, 16, MCFSIM_PADDR, MCFSIM_PADAT, MCFSIM_PADAT),
	MCFGPS(PB, 16, 16, MCFSIM_PBDDR, MCFSIM_PBDAT, MCFSIM_PBDAT),
	MCFGPS(Pc, 32, 16, MCFSIM_PCDDR, MCFSIM_PCDAT, MCFSIM_PCDAT),
};

static int __init mcf_gpio_init(void)
{
	unsigned i = 0;
	while (i < ARRAY_SIZE(mcf_gpio_chips))
		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
	return 0;
}

core_initcall(mcf_gpio_init);