diff options
Diffstat (limited to 'arch/arm/mach-omap2/devices.c')
-rw-r--r-- | arch/arm/mach-omap2/devices.c | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c new file mode 100644 index 000000000000..7181edb89352 --- /dev/null +++ b/arch/arm/mach-omap2/devices.c | |||
@@ -0,0 +1,89 @@ | |||
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 | |||