arch/arm/mach-davinci/devices.c

   1 /*
   2  * mach-davinci/devices.c
   3  *
   4  * DaVinci 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/module.h>
  13 #include <linux/kernel.h>
  14 #include <linux/init.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/dma-mapping.h>
  17 #include <linux/io.h>
  18
  19 #include <asm/mach/map.h>
  20
  21 #include <mach/hardware.h>
  22 #include <mach/i2c.h>
  23 #include <mach/irqs.h>
  24 #include <mach/cputype.h>
  25 #include <mach/mux.h>
  26
  27 #define DAVINCI_I2C_BASE             0x01C21000
  28
  29 static struct resource i2c_resources[] = {
  30         {
  31                 .start          = DAVINCI_I2C_BASE,
  32                 .end            = DAVINCI_I2C_BASE + 0x40,
  33                 .flags          = IORESOURCE_MEM,
  34         },
  35         {
  36                 .start          = IRQ_I2C,
  37                 .flags          = IORESOURCE_IRQ,
  38         },
  39 };
  40
  41 static struct platform_device davinci_i2c_device = {
  42         .name           = "i2c_davinci",
  43         .id             = 1,
  44         .num_resources  = ARRAY_SIZE(i2c_resources),
  45         .resource       = i2c_resources,
  46 };
  47
  48 void __init davinci_init_i2c(struct davinci_i2c_platform_data *pdata)
  49 {
  50         if (cpu_is_davinci_dm644x())
  51                 davinci_cfg_reg(DM644X_I2C);
  52
  53         davinci_i2c_device.dev.platform_data = pdata;
  54         (void) platform_device_register(&davinci_i2c_device);
  55 }
  56