release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/mach-pnx4008/i2c.c

   1 /*
   2  * I2C initialization for PNX4008.
   3  *
   4  * Author: Vitaly Wool <vitalywool@gmail.com>
   5  *
   6  * 2005-2006 (c) MontaVista Software, Inc. This file is licensed under
   7  * the terms of the GNU General Public License version 2. This program
   8  * is licensed "as is" without any warranty of any kind, whether express
   9  * or implied.
  10  */
  11
  12 #include <linux/clk.h>
  13 #include <linux/i2c.h>
  14 #include <linux/i2c-pnx.h>
  15 #include <linux/platform_device.h>
  16 #include <linux/err.h>
  17 #include <mach/platform.h>
  18 #include <mach/irqs.h>
  19 #include <mach/i2c.h>
  20
  21 static struct i2c_pnx_data i2c0_data = {
  22         .name = I2C_CHIP_NAME "0",
  23         .base = PNX4008_I2C1_BASE,
  24         .irq = I2C_1_INT,
  25 };
  26
  27 static struct i2c_pnx_data i2c1_data = {
  28         .name = I2C_CHIP_NAME "1",
  29         .base = PNX4008_I2C2_BASE,
  30         .irq = I2C_2_INT,
  31 };
  32
  33 static struct i2c_pnx_data i2c2_data = {
  34         .name = "USB-I2C",
  35         .base = (PNX4008_USB_CONFIG_BASE + 0x300),
  36         .irq = USB_I2C_INT,
  37 };
  38
  39 static struct platform_device i2c0_device = {
  40         .name = "pnx-i2c",
  41         .id = 0,
  42         .dev = {
  43                 .platform_data = &i2c0_data,
  44         },
  45 };
  46
  47 static struct platform_device i2c1_device = {
  48         .name = "pnx-i2c",
  49         .id = 1,
  50         .dev = {
  51                 .platform_data = &i2c1_data,
  52         },
  53 };
  54
  55 static struct platform_device i2c2_device = {
  56         .name = "pnx-i2c",
  57         .id = 2,
  58         .dev = {
  59                 .platform_data = &i2c2_data,
  60         },
  61 };
  62
  63 static struct platform_device *devices[] __initdata = {
  64         &i2c0_device,
  65         &i2c1_device,
  66         &i2c2_device,
  67 };
  68
  69 void __init pnx4008_register_i2c_devices(void)
  70 {
  71         platform_add_devices(devices, ARRAY_SIZE(devices));
  72 }