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1dbae815 TL |
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/config.h> | |
13 | #include <linux/module.h> | |
14 | #include <linux/kernel.h> | |
15 | #include <linux/init.h> | |
16 | #include <linux/platform_device.h> | |
17 | ||
18 | #include <asm/hardware.h> | |
19 | #include <asm/io.h> | |
20 | #include <asm/mach-types.h> | |
21 | #include <asm/mach/map.h> | |
22 | ||
23 | #include <asm/arch/tc.h> | |
24 | #include <asm/arch/board.h> | |
25 | #include <asm/arch/mux.h> | |
26 | #include <asm/arch/gpio.h> | |
27 | ||
28 | extern void omap_nop_release(struct device *dev); | |
29 | ||
30 | /*-------------------------------------------------------------------------*/ | |
31 | ||
32 | #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE) | |
33 | ||
34 | #define OMAP2_I2C_BASE2 0x48072000 | |
35 | #define OMAP2_I2C_INT2 57 | |
36 | ||
37 | static struct resource i2c_resources2[] = { | |
38 | { | |
39 | .start = OMAP2_I2C_BASE2, | |
40 | .end = OMAP2_I2C_BASE2 + 0x3f, | |
41 | .flags = IORESOURCE_MEM, | |
42 | }, | |
43 | { | |
44 | .start = OMAP2_I2C_INT2, | |
45 | .flags = IORESOURCE_IRQ, | |
46 | }, | |
47 | }; | |
48 | ||
49 | static struct platform_device omap_i2c_device2 = { | |
50 | .name = "i2c_omap", | |
51 | .id = 2, | |
52 | .dev = { | |
53 | .release = omap_nop_release, | |
54 | }, | |
55 | .num_resources = ARRAY_SIZE(i2c_resources2), | |
56 | .resource = i2c_resources2, | |
57 | }; | |
58 | ||
59 | /* See also arch/arm/plat-omap/devices.c for first I2C on 24xx */ | |
60 | static void omap_init_i2c(void) | |
61 | { | |
62 | /* REVISIT: Second I2C not in use on H4? */ | |
63 | if (machine_is_omap_h4()) | |
64 | return; | |
65 | ||
66 | omap_cfg_reg(J15_24XX_I2C2_SCL); | |
67 | omap_cfg_reg(H19_24XX_I2C2_SDA); | |
68 | (void) platform_device_register(&omap_i2c_device2); | |
69 | } | |
70 | ||
71 | #else | |
72 | ||
73 | static void omap_init_i2c(void) {} | |
74 | ||
75 | #endif | |
76 | ||
9b6553cd TL |
77 | #if defined(CONFIG_OMAP_STI) |
78 | ||
79 | #define OMAP2_STI_BASE IO_ADDRESS(0x48068000) | |
80 | #define OMAP2_STI_CHANNEL_BASE 0x54000000 | |
81 | #define OMAP2_STI_IRQ 4 | |
82 | ||
83 | static struct resource sti_resources[] = { | |
84 | { | |
85 | .start = OMAP2_STI_BASE, | |
86 | .end = OMAP2_STI_BASE + 0x7ff, | |
87 | .flags = IORESOURCE_MEM, | |
88 | }, | |
89 | { | |
90 | .start = OMAP2_STI_CHANNEL_BASE, | |
91 | .end = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1, | |
92 | .flags = IORESOURCE_MEM, | |
93 | }, | |
94 | { | |
95 | .start = OMAP2_STI_IRQ, | |
96 | .flags = IORESOURCE_IRQ, | |
97 | } | |
98 | }; | |
99 | ||
100 | static struct platform_device sti_device = { | |
101 | .name = "sti", | |
102 | .id = -1, | |
103 | .dev = { | |
104 | .release = omap_nop_release, | |
105 | }, | |
106 | .num_resources = ARRAY_SIZE(sti_resources), | |
107 | .resource = sti_resources, | |
108 | }; | |
109 | ||
110 | static inline void omap_init_sti(void) | |
111 | { | |
112 | platform_device_register(&sti_device); | |
113 | } | |
114 | #else | |
115 | static inline void omap_init_sti(void) {} | |
116 | #endif | |
117 | ||
1dbae815 TL |
118 | /*-------------------------------------------------------------------------*/ |
119 | ||
120 | static int __init omap2_init_devices(void) | |
121 | { | |
122 | /* please keep these calls, and their implementations above, | |
123 | * in alphabetical order so they're easier to sort through. | |
124 | */ | |
125 | omap_init_i2c(); | |
9b6553cd | 126 | omap_init_sti(); |
1dbae815 TL |
127 | |
128 | return 0; | |
129 | } | |
130 | arch_initcall(omap2_init_devices); | |
131 |