Merge git://git.kernel.org/pub/scm/linux/kernel/git/bunk/trivial
[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         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_STI)
70
71 #define OMAP2_STI_BASE          IO_ADDRESS(0x48068000)
72 #define OMAP2_STI_CHANNEL_BASE  0x54000000
73 #define OMAP2_STI_IRQ           4
74
75 static struct resource sti_resources[] = {
76         {
77                 .start          = OMAP2_STI_BASE,
78                 .end            = OMAP2_STI_BASE + 0x7ff,
79                 .flags          = IORESOURCE_MEM,
80         },
81         {
82                 .start          = OMAP2_STI_CHANNEL_BASE,
83                 .end            = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1,
84                 .flags          = IORESOURCE_MEM,
85         },
86         {
87                 .start          = OMAP2_STI_IRQ,
88                 .flags          = IORESOURCE_IRQ,
89         }
90 };
91
92 static struct platform_device sti_device = {
93         .name           = "sti",
94         .id             = -1,
95         .num_resources  = ARRAY_SIZE(sti_resources),
96         .resource       = sti_resources,
97 };
98
99 static inline void omap_init_sti(void)
100 {
101         platform_device_register(&sti_device);
102 }
103 #else
104 static inline void omap_init_sti(void) {}
105 #endif
106
107 /*-------------------------------------------------------------------------*/
108
109 static int __init omap2_init_devices(void)
110 {
111         /* please keep these calls, and their implementations above,
112          * in alphabetical order so they're easier to sort through.
113          */
114         omap_init_i2c();
115         omap_init_sti();
116
117         return 0;
118 }
119 arch_initcall(omap2_init_devices);
120