aboutsummaryrefslogtreecommitdiffstats
path: root/arch/arm/mach-mx2/devices.c
blob: b5d2b63ea0df8447ab47c82cc06ca134aa2ea8af (plain) (blame)
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
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
/*
 * Author: MontaVista Software, Inc.
 *       <source@mvista.com>
 *
 * Based on the OMAP devices.c
 *
 * 2005 (c) MontaVista Software, Inc. This file is licensed under the
 * terms of the GNU General Public License version 2. This program is
 * licensed "as is" without any warranty of any kind, whether express
 * or implied.
 *
 * Copyright 2006-2007 Freescale Semiconductor, Inc. All Rights Reserved.
 * Copyright 2008 Juergen Beisert, kernel@pengutronix.de
 *
 * 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 Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 */
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/gpio.h>

#include <asm/arch/hardware.h>

/*
 * Resource definition for the MXC IrDA
 */
static struct resource mxc_irda_resources[] = {
	[0] = {
		.start   = UART3_BASE_ADDR,
		.end     = UART3_BASE_ADDR + SZ_4K - 1,
		.flags   = IORESOURCE_MEM,
	},
	[1] = {
		.start   = MXC_INT_UART3,
		.end     = MXC_INT_UART3,
		.flags   = IORESOURCE_IRQ,
	},
};

/* Platform Data for MXC IrDA */
struct platform_device mxc_irda_device = {
	.name = "mxc_irda",
	.id = 0,
	.num_resources = ARRAY_SIZE(mxc_irda_resources),
	.resource = mxc_irda_resources,
};

/*
 * General Purpose Timer
 * - i.MX1: 2 timer (slighly different register handling)
 * - i.MX21: 3 timer
 * - i.MX27: 6 timer
 */

/* We use gpt0 as system timer, so do not add a device for this one */

static struct resource timer1_resources[] = {
	[0] = {
		.start	= GPT2_BASE_ADDR,
		.end	= GPT2_BASE_ADDR + 0x17,
		.flags	= IORESOURCE_MEM
	},
	[1] = {
		.start   = MXC_INT_GPT2,
		.end     = MXC_INT_GPT2,
		.flags   = IORESOURCE_IRQ,
	}
};

struct platform_device mxc_gpt1 = {
	.name = "imx_gpt",
	.id = 1,
	.num_resources = ARRAY_SIZE(timer1_resources),
	.resource = timer1_resources
};

static struct resource timer2_resources[] = {
	[0] = {
		.start	= GPT3_BASE_ADDR,
		.end	= GPT3_BASE_ADDR + 0x17,
		.flags	= IORESOURCE_MEM
	},
	[1] = {
		.start   = MXC_INT_GPT3,
		.end     = MXC_INT_GPT3,
		.flags   = IORESOURCE_IRQ,
	}
};

struct platform_device mxc_gpt2 = {
	.name = "imx_gpt",
	.id = 2,
	.num_resources = ARRAY_SIZE(timer2_resources),
	.resource = timer2_resources
};

#ifdef CONFIG_MACH_MX27
static struct resource timer3_resources[] = {
	[0] = {
		.start	= GPT4_BASE_ADDR,
		.end	= GPT4_BASE_ADDR + 0x17,
		.flags	= IORESOURCE_MEM
	},
	[1] = {
		.start   = MXC_INT_GPT4,
		.end     = MXC_INT_GPT4,
		.flags   = IORESOURCE_IRQ,
	}
};

struct platform_device mxc_gpt3 = {
	.name = "imx_gpt",
	.id = 3,
	.num_resources = ARRAY_SIZE(timer3_resources),
	.resource = timer3_resources
};

static struct resource timer4_resources[] = {
	[0] = {
		.start	= GPT5_BASE_ADDR,
		.end	= GPT5_BASE_ADDR + 0x17,
		.flags	= IORESOURCE_MEM
	},
	[1] = {
		.start   = MXC_INT_GPT5,
		.end     = MXC_INT_GPT5,
		.flags   = IORESOURCE_IRQ,
	}
};

struct platform_device mxc_gpt4 = {
	.name = "imx_gpt",
	.id = 4,
	.num_resources = ARRAY_SIZE(timer4_resources),
	.resource = timer4_resources
};

static struct resource timer5_resources[] = {
	[0] = {
		.start	= GPT6_BASE_ADDR,
		.end	= GPT6_BASE_ADDR + 0x17,
		.flags	= IORESOURCE_MEM
	},
	[1] = {
		.start   = MXC_INT_GPT6,
		.end     = MXC_INT_GPT6,
		.flags   = IORESOURCE_IRQ,
	}
};

struct platform_device mxc_gpt5 = {
	.name = "imx_gpt",
	.id = 5,
	.num_resources = ARRAY_SIZE(timer5_resources),
	.resource = timer5_resources
};
#endif

/*
 * Watchdog:
 * - i.MX1
 * - i.MX21
 * - i.MX27
 */
static struct resource mxc_wdt_resources[] = {
	{
		.start	= WDOG_BASE_ADDR,
		.end	= WDOG_BASE_ADDR + 0x30,
		.flags	= IORESOURCE_MEM,
	},
};

struct platform_device mxc_wdt = {
	.name = "mxc_wdt",
	.id = 0,
	.num_resources = ARRAY_SIZE(mxc_wdt_resources),
	.resource = mxc_wdt_resources,
};

/* GPIO port description */
static struct mxc_gpio_port imx_gpio_ports[] = {
	[0] = {
		.chip.label = "gpio-0",
		.irq = MXC_INT_GPIO,
		.base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 0),
		.virtual_irq_start = MXC_MAX_INT_LINES,
	},
	[1] = {
		.chip.label = "gpio-1",
		.base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 1),
		.virtual_irq_start = MXC_MAX_INT_LINES + 32,
	},
	[2] = {
		.chip.label = "gpio-2",
		.base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 2),
		.virtual_irq_start = MXC_MAX_INT_LINES + 64,
	},
	[3] = {
		.chip.label = "gpio-3",
		.base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 3),
		.virtual_irq_start = MXC_MAX_INT_LINES + 96,
	},
	[4] = {
		.chip.label = "gpio-4",
		.base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 4),
		.virtual_irq_start = MXC_MAX_INT_LINES + 128,
	},
	[5] = {
		.chip.label = "gpio-5",
		.base = (void*)(AIPI_BASE_ADDR_VIRT + 0x15000 + 0x100 * 5),
		.virtual_irq_start = MXC_MAX_INT_LINES + 160,
	}
};

int __init mxc_register_gpios(void)
{
	return mxc_gpio_init(imx_gpio_ports, ARRAY_SIZE(imx_gpio_ports));
}