Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
[linux-2.6] / arch / arm / mach-omap2 / devices.c
1 /*
2  * linux/arch/arm/mach-omap2/devices.c
3  *
4  * OMAP2 platform device setup/initialization
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; either version 2 of the License, or
9  * (at your option) any later version.
10  */
11
12 #include <linux/module.h>
13 #include <linux/kernel.h>
14 #include <linux/init.h>
15 #include <linux/platform_device.h>
16
17 #include <asm/hardware.h>
18 #include <asm/io.h>
19 #include <asm/mach-types.h>
20 #include <asm/mach/map.h>
21
22 #include <asm/arch/tc.h>
23 #include <asm/arch/board.h>
24 #include <asm/arch/mux.h>
25 #include <asm/arch/gpio.h>
26
27 #if     defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
28
29 #define OMAP2_I2C_BASE2         0x48072000
30 #define OMAP2_I2C_INT2          57
31
32 static struct resource i2c_resources2[] = {
33         {
34                 .start          = OMAP2_I2C_BASE2,
35                 .end            = OMAP2_I2C_BASE2 + 0x3f,
36                 .flags          = IORESOURCE_MEM,
37         },
38         {
39                 .start          = OMAP2_I2C_INT2,
40                 .flags          = IORESOURCE_IRQ,
41         },
42 };
43
44 static struct platform_device omap_i2c_device2 = {
45         .name           = "i2c_omap",
46         .id             = 2,
47         .num_resources  = ARRAY_SIZE(i2c_resources2),
48         .resource       = i2c_resources2,
49 };
50
51 /* See also arch/arm/plat-omap/devices.c for first I2C on 24xx */
52 static void omap_init_i2c(void)
53 {
54         /* REVISIT: Second I2C not in use on H4? */
55         if (machine_is_omap_h4())
56                 return;
57
58         if (!cpu_is_omap2430()) {
59                 omap_cfg_reg(J15_24XX_I2C2_SCL);
60                 omap_cfg_reg(H19_24XX_I2C2_SDA);
61         }
62         (void) platform_device_register(&omap_i2c_device2);
63 }
64
65 #else
66
67 static void omap_init_i2c(void) {}
68
69 #endif
70
71 #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
72 #define OMAP2_MBOX_BASE         IO_ADDRESS(OMAP24XX_MAILBOX_BASE)
73
74 static struct resource mbox_resources[] = {
75         {
76                 .start          = OMAP2_MBOX_BASE,
77                 .end            = OMAP2_MBOX_BASE + 0x11f,
78                 .flags          = IORESOURCE_MEM,
79         },
80         {
81                 .start          = INT_24XX_MAIL_U0_MPU,
82                 .flags          = IORESOURCE_IRQ,
83         },
84         {
85                 .start          = INT_24XX_MAIL_U3_MPU,
86                 .flags          = IORESOURCE_IRQ,
87         },
88 };
89
90 static struct platform_device mbox_device = {
91         .name           = "mailbox",
92         .id             = -1,
93         .num_resources  = ARRAY_SIZE(mbox_resources),
94         .resource       = mbox_resources,
95 };
96
97 static inline void omap_init_mbox(void)
98 {
99         platform_device_register(&mbox_device);
100 }
101 #else
102 static inline void omap_init_mbox(void) { }
103 #endif
104
105 #if defined(CONFIG_OMAP_STI)
106
107 #define OMAP2_STI_BASE          IO_ADDRESS(0x48068000)
108 #define OMAP2_STI_CHANNEL_BASE  0x54000000
109 #define OMAP2_STI_IRQ           4
110
111 static struct resource sti_resources[] = {
112         {
113                 .start          = OMAP2_STI_BASE,
114                 .end            = OMAP2_STI_BASE + 0x7ff,
115                 .flags          = IORESOURCE_MEM,
116         },
117         {
118                 .start          = OMAP2_STI_CHANNEL_BASE,
119                 .end            = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1,
120                 .flags          = IORESOURCE_MEM,
121         },
122         {
123                 .start          = OMAP2_STI_IRQ,
124                 .flags          = IORESOURCE_IRQ,
125         }
126 };
127
128 static struct platform_device sti_device = {
129         .name           = "sti",
130         .id             = -1,
131         .num_resources  = ARRAY_SIZE(sti_resources),
132         .resource       = sti_resources,
133 };
134
135 static inline void omap_init_sti(void)
136 {
137         platform_device_register(&sti_device);
138 }
139 #else
140 static inline void omap_init_sti(void) {}
141 #endif
142
143 #if defined(CONFIG_SPI_OMAP24XX)
144
145 #include <asm/arch/mcspi.h>
146
147 #define OMAP2_MCSPI1_BASE               0x48098000
148 #define OMAP2_MCSPI2_BASE               0x4809a000
149
150 static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
151         .num_cs         = 4,
152 };
153
154 static struct resource omap2_mcspi1_resources[] = {
155         {
156                 .start          = OMAP2_MCSPI1_BASE,
157                 .end            = OMAP2_MCSPI1_BASE + 0xff,
158                 .flags          = IORESOURCE_MEM,
159         },
160 };
161
162 struct platform_device omap2_mcspi1 = {
163         .name           = "omap2_mcspi",
164         .id             = 1,
165         .num_resources  = ARRAY_SIZE(omap2_mcspi1_resources),
166         .resource       = omap2_mcspi1_resources,
167         .dev            = {
168                 .platform_data = &omap2_mcspi1_config,
169         },
170 };
171
172 static struct omap2_mcspi_platform_config omap2_mcspi2_config = {
173         .num_cs         = 2,
174 };
175
176 static struct resource omap2_mcspi2_resources[] = {
177         {
178                 .start          = OMAP2_MCSPI2_BASE,
179                 .end            = OMAP2_MCSPI2_BASE + 0xff,
180                 .flags          = IORESOURCE_MEM,
181         },
182 };
183
184 struct platform_device omap2_mcspi2 = {
185         .name           = "omap2_mcspi",
186         .id             = 2,
187         .num_resources  = ARRAY_SIZE(omap2_mcspi2_resources),
188         .resource       = omap2_mcspi2_resources,
189         .dev            = {
190                 .platform_data = &omap2_mcspi2_config,
191         },
192 };
193
194 static void omap_init_mcspi(void)
195 {
196         platform_device_register(&omap2_mcspi1);
197         platform_device_register(&omap2_mcspi2);
198 }
199
200 #else
201 static inline void omap_init_mcspi(void) {}
202 #endif
203
204 /*-------------------------------------------------------------------------*/
205
206 static int __init omap2_init_devices(void)
207 {
208         /* please keep these calls, and their implementations above,
209          * in alphabetical order so they're easier to sort through.
210          */
211         omap_init_i2c();
212         omap_init_mbox();
213         omap_init_mcspi();
214         omap_init_sti();
215
216         return 0;
217 }
218 arch_initcall(omap2_init_devices);