projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 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 | ||
| 1dbae815 TL |
28 | #if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE) |
| 29 | ||
| 30 | #define OMAP2_I2C_BASE2 0x48072000 | |
| 31 | #define OMAP2_I2C_INT2 57 | |
| 32 | ||
| 33 | static struct resource i2c_resources2[] = { | |
| 34 | { | |
| 35 | .start = OMAP2_I2C_BASE2, | |
| 36 | .end = OMAP2_I2C_BASE2 + 0x3f, | |
| 37 | .flags = IORESOURCE_MEM, | |
| 38 | }, | |
| 39 | { | |
| 40 | .start = OMAP2_I2C_INT2, | |
| 41 | .flags = IORESOURCE_IRQ, | |
| 42 | }, | |
| 43 | }; | |
| 44 | ||
| 45 | static struct platform_device omap_i2c_device2 = { | |
| 46 | .name = "i2c_omap", | |
| 47 | .id = 2, | |
| 1dbae815 TL |
48 | .num_resources = ARRAY_SIZE(i2c_resources2), |
| 49 | .resource = i2c_resources2, | |
| 50 | }; | |
| 51 | ||
| 52 | /* See also arch/arm/plat-omap/devices.c for first I2C on 24xx */ | |
| 53 | static void omap_init_i2c(void) | |
| 54 | { | |
| 55 | /* REVISIT: Second I2C not in use on H4? */ | |
| 56 | if (machine_is_omap_h4()) | |
| 57 | return; | |
| 58 | ||
| 59 | omap_cfg_reg(J15_24XX_I2C2_SCL); | |
| 60 | omap_cfg_reg(H19_24XX_I2C2_SDA); | |
| 61 | (void) platform_device_register(&omap_i2c_device2); | |
| 62 | } | |
| 63 | ||
| 64 | #else | |
| 65 | ||
| 66 | static void omap_init_i2c(void) {} | |
| 67 | ||
| 68 | #endif | |
| 69 | ||
| 9b6553cd TL |
70 | #if defined(CONFIG_OMAP_STI) |
| 71 | ||
| 72 | #define OMAP2_STI_BASE IO_ADDRESS(0x48068000) | |
| 73 | #define OMAP2_STI_CHANNEL_BASE 0x54000000 | |
| 74 | #define OMAP2_STI_IRQ 4 | |
| 75 | ||
| 76 | static struct resource sti_resources[] = { | |
| 77 | { | |
| 78 | .start = OMAP2_STI_BASE, | |
| 79 | .end = OMAP2_STI_BASE + 0x7ff, | |
| 80 | .flags = IORESOURCE_MEM, | |
| 81 | }, | |
| 82 | { | |
| 83 | .start = OMAP2_STI_CHANNEL_BASE, | |
| 84 | .end = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1, | |
| 85 | .flags = IORESOURCE_MEM, | |
| 86 | }, | |
| 87 | { | |
| 88 | .start = OMAP2_STI_IRQ, | |
| 89 | .flags = IORESOURCE_IRQ, | |
| 90 | } | |
| 91 | }; | |
| 92 | ||
| 93 | static struct platform_device sti_device = { | |
| 94 | .name = "sti", | |
| 95 | .id = -1, | |
| 9b6553cd TL |
96 | .num_resources = ARRAY_SIZE(sti_resources), |
| 97 | .resource = sti_resources, | |
| 98 | }; | |
| 99 | ||
| 100 | static inline void omap_init_sti(void) | |
| 101 | { | |
| 102 | platform_device_register(&sti_device); | |
| 103 | } | |
| 104 | #else | |
| 105 | static inline void omap_init_sti(void) {} | |
| 106 | #endif | |
| 107 | ||
| 1dbae815 TL |
108 | /*-------------------------------------------------------------------------*/ |
| 109 | ||
| 110 | static int __init omap2_init_devices(void) | |
| 111 | { | |
| 112 | /* please keep these calls, and their implementations above, | |
| 113 | * in alphabetical order so they're easier to sort through. | |
| 114 | */ | |
| 115 | omap_init_i2c(); | |
| 9b6553cd | 116 | omap_init_sti(); |
| 1dbae815 TL |
117 | |
| 118 | return 0; | |
| 119 | } | |
| 120 | arch_initcall(omap2_init_devices); | |
| 121 |