1/*
 2 * Coldfire generic GPIO support
 3 *
 4 * (C) Copyright 2009, Steven King <sfking@fdwdc.com>
 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 as published by
 8 * the Free Software Foundation; version 2 of the License.
 9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 * GNU General Public License for more details.
14*/
15
16#include <linux/kernel.h>
17#include <linux/init.h>
18
19#include <asm/coldfire.h>
20#include <asm/mcfsim.h>
21#include <asm/mcfgpio.h>
22
23static struct mcf_gpio_chip mcf_gpio_chips[] = {
24	{
25		.gpio_chip			= {
26			.label			= "PP",
27			.request		= mcf_gpio_request,
28			.free			= mcf_gpio_free,
29			.direction_input	= mcf_gpio_direction_input,
30			.direction_output	= mcf_gpio_direction_output,
31			.get			= mcf_gpio_get_value,
32			.set			= mcf_gpio_set_value,
33			.ngpio			= 16,
34		},
35		.pddr				= (void __iomem *) MCFSIM_PADDR,
36		.podr				= (void __iomem *) MCFSIM_PADAT,
37		.ppdr				= (void __iomem *) MCFSIM_PADAT,
38	},
39};
40
41static int __init mcf_gpio_init(void)
42{
43	unsigned i = 0;
44	while (i < ARRAY_SIZE(mcf_gpio_chips))
45		(void)gpiochip_add((struct gpio_chip *)&mcf_gpio_chips[i++]);
46	return 0;
47}
48
49core_initcall(mcf_gpio_init);