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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 | ||
77 | /*-------------------------------------------------------------------------*/ | |
78 | ||
79 | static int __init omap2_init_devices(void) | |
80 | { | |
81 | /* please keep these calls, and their implementations above, | |
82 | * in alphabetical order so they're easier to sort through. | |
83 | */ | |
84 | omap_init_i2c(); | |
85 | ||
86 | return 0; | |
87 | } | |
88 | arch_initcall(omap2_init_devices); | |
89 |