aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips/alchemy/mtx-1/platform.c
blob: 55628e390fd7460c4a9d25ede7ffb7cd1c6addfe (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
/*
 * MTX-1 platform devices registration
 *
 * Copyright (C) 2007-2009, Florian Fainelli <florian@openwrt.org>
 *
 * 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; either version 2 of the License, or
 * (at your option) any later version.
 *
 * 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.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */

#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <mtd/mtd-abi.h>

#include <asm/mach-au1x00/au1xxx_eth.h>

static struct gpio_keys_button mtx1_gpio_button[] = {
	{
		.gpio = 207,
		.code = BTN_0,
		.desc = "System button",
	}
};

static struct gpio_keys_platform_data mtx1_buttons_data = {
	.buttons = mtx1_gpio_button,
	.nbuttons = ARRAY_SIZE(mtx1_gpio_button),
};

static struct platform_device mtx1_button = {
	.name = "gpio-keys",
	.id = -1,
	.dev = {
		.platform_data = &mtx1_buttons_data,
	}
};

static struct resource mtx1_wdt_res[] = {
	[0] = {
		.start	= 215,
		.end	= 215,
		.name	= "mtx1-wdt-gpio",
		.flags	= IORESOURCE_IRQ,
	}
};

static struct platform_device mtx1_wdt = {
	.name = "mtx1-wdt",
	.id = 0,
	.num_resources = ARRAY_SIZE(mtx1_wdt_res),
	.resource = mtx1_wdt_res,
};

static struct gpio_led default_leds[] = {
	{
		.name	= "mtx1:green",
		.gpio = 211,
	}, {
		.name = "mtx1:red",
		.gpio = 212,
	},
};

static struct gpio_led_platform_data mtx1_led_data = {
	.num_leds = ARRAY_SIZE(default_leds),
	.leds = default_leds,
};

static struct platform_device mtx1_gpio_leds = {
	.name = "leds-gpio",
	.id = -1,
	.dev = {
		.platform_data = &mtx1_led_data,
	}
};

static struct mtd_partition mtx1_mtd_partitions[] = {
	{
		.name	= "filesystem",
		.size	= 0x01C00000,
		.offset	= 0,
	},
	{
		.name	= "yamon",
		.size	= 0x00100000,
		.offset	= MTDPART_OFS_APPEND,
		.mask_flags = MTD_WRITEABLE,
	},
	{
		.name	= "kernel",
		.size	= 0x002c0000,
		.offset	= MTDPART_OFS_APPEND,
	},
	{
		.name	= "yamon env",
		.size	= 0x00040000,
		.offset	= MTDPART_OFS_APPEND,
	},
};

static struct physmap_flash_data mtx1_flash_data = {
	.width		= 4,
	.nr_parts	= 4,
	.parts		= mtx1_mtd_partitions,
};

static struct resource mtx1_mtd_resource = {
	.start	= 0x1e000000,
	.end	= 0x1fffffff,
	.flags	= IORESOURCE_MEM,
};

static struct platform_device mtx1_mtd = {
	.name		= "physmap-flash",
	.dev		= {
		.platform_data	= &mtx1_flash_data,
	},
	.num_resources	= 1,
	.resource	= &mtx1_mtd_resource,
};

static struct __initdata platform_device * mtx1_devs[] = {
	&mtx1_gpio_leds,
	&mtx1_wdt,
	&mtx1_button,
	&mtx1_mtd,
};

static struct au1000_eth_platform_data mtx1_au1000_eth0_pdata = {
	.phy_search_highest_addr	= 1,
	.phy1_search_mac0 		= 1,
};

static int __init mtx1_register_devices(void)
{
	int rc;

	au1xxx_override_eth_cfg(0, &mtx1_au1000_eth0_pdata);

	rc = gpio_request(mtx1_gpio_button[0].gpio,
					mtx1_gpio_button[0].desc);
	if (rc < 0) {
		printk(KERN_INFO "mtx1: failed to request %d\n",
					mtx1_gpio_button[0].gpio);
		goto out;
	}
	gpio_direction_input(mtx1_gpio_button[0].gpio);
out:
	return platform_add_devices(mtx1_devs, ARRAY_SIZE(mtx1_devs));
}

arch_initcall(mtx1_register_devices);