arch/arm/plat-samsung/dev-i2c4.c

   1 /* linux/arch/arm/plat-samsung/dev-i2c4.c
   2  *
   3  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
   4  *              http://www.samsung.com/
   5  *
   6  * S5P series device definition for i2c device 3
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  */
  12
  13 #include <linux/gfp.h>
  14 #include <linux/kernel.h>
  15 #include <linux/string.h>
  16 #include <linux/platform_device.h>
  17
  18 #include <mach/irqs.h>
  19 #include <mach/map.h>
  20
  21 #include <plat/regs-iic.h>
  22 #include <plat/iic.h>
  23 #include <plat/devs.h>
  24 #include <plat/cpu.h>
  25
  26 static struct resource s3c_i2c_resource[] = {
  27         [0] = {
  28                 .start  = S3C_PA_IIC4,
  29                 .end    = S3C_PA_IIC4 + SZ_4K - 1,
  30                 .flags  = IORESOURCE_MEM,
  31         },
  32         [1] = {
  33                 .start  = IRQ_IIC4,
  34                 .end    = IRQ_IIC4,
  35                 .flags  = IORESOURCE_IRQ,
  36         },
  37 };
  38
  39 struct platform_device s3c_device_i2c4 = {
  40         .name           = "s3c2440-i2c",
  41         .id             = 4,
  42         .num_resources  = ARRAY_SIZE(s3c_i2c_resource),
  43         .resource       = s3c_i2c_resource,
  44 };
  45
  46 void __init s3c_i2c4_set_platdata(struct s3c2410_platform_i2c *pd)
  47 {
  48         struct s3c2410_platform_i2c *npd;
  49
  50         if (!pd) {
  51                 pd = &default_i2c_data;
  52                 pd->bus_num = 4;
  53         }
  54
  55         npd = s3c_set_platdata(pd, sizeof(struct s3c2410_platform_i2c),
  56                                &s3c_device_i2c4);
  57
  58         if (!npd->cfg_gpio)
  59                 npd->cfg_gpio = s3c_i2c4_cfg_gpio;
  60 }