Tony Lindgren | 1dbae81 | 2005-11-10 14:26:51 +0000 | [diff] [blame^] | 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 | |