ARM: OMAP: Mostly cosmetic to sync up with linux-omap tree
[linux-2.6.git] / 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         omap_cfg_reg(J15_24XX_I2C2_SCL);
59         omap_cfg_reg(H19_24XX_I2C2_SDA);
60         (void) platform_device_register(&omap_i2c_device2);
61 }
62
63 #else
64
65 static void omap_init_i2c(void) {}
66
67 #endif
68
69 #if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
70 #define OMAP2_MBOX_BASE         IO_ADDRESS(OMAP24XX_MAILBOX_BASE)
71
72 static struct resource mbox_resources[] = {
73         {
74                 .start          = OMAP2_MBOX_BASE,
75                 .end            = OMAP2_MBOX_BASE + 0x11f,
76                 .flags          = IORESOURCE_MEM,
77         },
78         {
79                 .start          = INT_24XX_MAIL_U0_MPU,
80                 .flags          = IORESOURCE_IRQ,
81         },
82         {
83                 .start          = INT_24XX_MAIL_U3_MPU,
84                 .flags          = IORESOURCE_IRQ,
85         },
86 };
87
88 static struct platform_device mbox_device = {
89         .name           = "mailbox",
90         .id             = -1,
91         .num_resources  = ARRAY_SIZE(mbox_resources),
92         .resource       = mbox_resources,
93 };
94
95 static inline void omap_init_mbox(void)
96 {
97         platform_device_register(&mbox_device);
98 }
99 #else
100 static inline void omap_init_mbox(void) { }
101 #endif
102
103 #if defined(CONFIG_OMAP_STI)
104
105 #define OMAP2_STI_BASE          IO_ADDRESS(0x48068000)
106 #define OMAP2_STI_CHANNEL_BASE  0x54000000
107 #define OMAP2_STI_IRQ           4
108
109 static struct resource sti_resources[] = {
110         {
111                 .start          = OMAP2_STI_BASE,
112                 .end            = OMAP2_STI_BASE + 0x7ff,
113                 .flags          = IORESOURCE_MEM,
114         },
115         {
116                 .start          = OMAP2_STI_CHANNEL_BASE,
117                 .end            = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1,
118                 .flags          = IORESOURCE_MEM,
119         },
120         {
121                 .start          = OMAP2_STI_IRQ,
122                 .flags          = IORESOURCE_IRQ,
123         }
124 };
125
126 static struct platform_device sti_device = {
127         .name           = "sti",
128         .id             = -1,
129         .num_resources  = ARRAY_SIZE(sti_resources),
130         .resource       = sti_resources,
131 };
132
133 static inline void omap_init_sti(void)
134 {
135         platform_device_register(&sti_device);
136 }
137 #else
138 static inline void omap_init_sti(void) {}
139 #endif
140
141 #if defined(CONFIG_SPI_OMAP24XX)
142
143 #include <asm/arch/mcspi.h>
144
145 #define OMAP2_MCSPI1_BASE               0x48098000
146 #define OMAP2_MCSPI2_BASE               0x4809a000
147
148 static struct omap2_mcspi_platform_config omap2_mcspi1_config = {
149         .num_cs         = 4,
150 };
151
152 static struct resource omap2_mcspi1_resources[] = {
153         {
154                 .start          = OMAP2_MCSPI1_BASE,
155                 .end            = OMAP2_MCSPI1_BASE + 0xff,
156                 .flags          = IORESOURCE_MEM,
157         },
158 };
159
160 struct platform_device omap2_mcspi1 = {
161         .name           = "omap2_mcspi",
162         .id             = 1,
163         .num_resources  = ARRAY_SIZE(omap2_mcspi1_resources),
164         .resource       = omap2_mcspi1_resources,
165         .dev            = {
166                 .platform_data = &omap2_mcspi1_config,
167         },
168 };
169
170 static struct omap2_mcspi_platform_config omap2_mcspi2_config = {
171         .num_cs         = 2,
172 };
173
174 static struct resource omap2_mcspi2_resources[] = {
175         {
176                 .start          = OMAP2_MCSPI2_BASE,
177                 .end            = OMAP2_MCSPI2_BASE + 0xff,
178                 .flags          = IORESOURCE_MEM,
179         },
180 };
181
182 struct platform_device omap2_mcspi2 = {
183         .name           = "omap2_mcspi",
184         .id             = 2,
185         .num_resources  = ARRAY_SIZE(omap2_mcspi2_resources),
186         .resource       = omap2_mcspi2_resources,
187         .dev            = {
188                 .platform_data = &omap2_mcspi2_config,
189         },
190 };
191
192 static void omap_init_mcspi(void)
193 {
194         platform_device_register(&omap2_mcspi1);
195         platform_device_register(&omap2_mcspi2);
196 }
197
198 #else
199 static inline void omap_init_mcspi(void) {}
200 #endif
201
202 /*-------------------------------------------------------------------------*/
203
204 static int __init omap2_init_devices(void)
205 {
206         /* please keep these calls, and their implementations above,
207          * in alphabetical order so they're easier to sort through.
208          */
209         omap_init_i2c();
210         omap_init_mbox();
211         omap_init_mcspi();
212         omap_init_sti();
213
214         return 0;
215 }
216 arch_initcall(omap2_init_devices);