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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 | ||
1dbae815 TL |
12 | #include <linux/module.h> |
13 | #include <linux/kernel.h> | |
14 | #include <linux/init.h> | |
15 | #include <linux/platform_device.h> | |
16 | ||
a09e64fb | 17 | #include <mach/hardware.h> |
1dbae815 TL |
18 | #include <asm/io.h> |
19 | #include <asm/mach-types.h> | |
20 | #include <asm/mach/map.h> | |
21 | ||
a09e64fb RK |
22 | #include <mach/tc.h> |
23 | #include <mach/board.h> | |
24 | #include <mach/mux.h> | |
25 | #include <mach/gpio.h> | |
1dbae815 | 26 | |
d82973d1 | 27 | #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE) |
1dbae815 TL |
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 = { | |
d82973d1 TL |
45 | .name = "i2c_omap", |
46 | .id = 2, | |
1dbae815 TL |
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 | ||
72d0f1c3 SMK |
58 | if (!cpu_is_omap2430()) { |
59 | omap_cfg_reg(J15_24XX_I2C2_SCL); | |
60 | omap_cfg_reg(H19_24XX_I2C2_SDA); | |
61 | } | |
1dbae815 TL |
62 | (void) platform_device_register(&omap_i2c_device2); |
63 | } | |
64 | ||
65 | #else | |
66 | ||
67 | static void omap_init_i2c(void) {} | |
68 | ||
69 | #endif | |
70 | ||
c40fae95 TL |
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 | ||
9b6553cd TL |
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, | |
9b6553cd TL |
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 | ||
ed7eb9d9 JY |
143 | #if defined(CONFIG_SPI_OMAP24XX) |
144 | ||
a09e64fb | 145 | #include <mach/mcspi.h> |
ed7eb9d9 JY |
146 | |
147 | #define OMAP2_MCSPI1_BASE 0x48098000 | |
148 | #define OMAP2_MCSPI2_BASE 0x4809a000 | |
149 | ||
ed7eb9d9 | 150 | static struct omap2_mcspi_platform_config omap2_mcspi1_config = { |
ed7eb9d9 JY |
151 | .num_cs = 4, |
152 | }; | |
153 | ||
c40fae95 TL |
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 | ||
ed7eb9d9 JY |
162 | struct platform_device omap2_mcspi1 = { |
163 | .name = "omap2_mcspi", | |
164 | .id = 1, | |
c40fae95 TL |
165 | .num_resources = ARRAY_SIZE(omap2_mcspi1_resources), |
166 | .resource = omap2_mcspi1_resources, | |
ed7eb9d9 JY |
167 | .dev = { |
168 | .platform_data = &omap2_mcspi1_config, | |
169 | }, | |
170 | }; | |
171 | ||
172 | static struct omap2_mcspi_platform_config omap2_mcspi2_config = { | |
ed7eb9d9 JY |
173 | .num_cs = 2, |
174 | }; | |
175 | ||
c40fae95 TL |
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 | ||
ed7eb9d9 JY |
184 | struct platform_device omap2_mcspi2 = { |
185 | .name = "omap2_mcspi", | |
186 | .id = 2, | |
c40fae95 TL |
187 | .num_resources = ARRAY_SIZE(omap2_mcspi2_resources), |
188 | .resource = omap2_mcspi2_resources, | |
ed7eb9d9 JY |
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 | ||
1dbae815 TL |
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(); | |
c40fae95 | 212 | omap_init_mbox(); |
ed7eb9d9 | 213 | omap_init_mcspi(); |
9b6553cd | 214 | omap_init_sti(); |
1dbae815 TL |
215 | |
216 | return 0; | |
217 | } | |
218 | arch_initcall(omap2_init_devices); |