release/src-rt-6.x.4708/linux/linux-2.6.36/arch/arm/plat-samsung/dev-ts.c

   1 /* linux/arch/arm/mach-s3c64xx/dev-ts.c
   2  *
   3  * Copyright (c) 2008 Simtec Electronics
   4  *      http://armlinux.simtec.co.uk/
   5  *      Ben Dooks <ben@simtec.co.uk>, <ben-linux@fluff.org>
   6  *
   7  * Adapted by Maurus Cuelenaere for s3c64xx
   8  *
   9  * S3C64XX series device definition for touchscreen device
  10  *
  11  * This program is free software; you can redistribute it and/or modify
  12  * it under the terms of the GNU General Public License version 2 as
  13  * published by the Free Software Foundation.
  14 */
  15
  16 #include <linux/kernel.h>
  17 #include <linux/string.h>
  18 #include <linux/platform_device.h>
  19
  20 #include <mach/irqs.h>
  21 #include <mach/map.h>
  22
  23 #include <plat/devs.h>
  24 #include <plat/ts.h>
  25
  26 static struct resource s3c_ts_resource[] = {
  27         [0] = {
  28                 .start = SAMSUNG_PA_ADC,
  29                 .end   = SAMSUNG_PA_ADC + SZ_256 - 1,
  30                 .flags = IORESOURCE_MEM,
  31         },
  32         [1] = {
  33                 .start = IRQ_TC,
  34                 .end   = IRQ_TC,
  35                 .flags = IORESOURCE_IRQ,
  36         },
  37 };
  38
  39 struct platform_device s3c_device_ts = {
  40         .name           = "s3c64xx-ts",
  41         .id             = -1,
  42         .num_resources  = ARRAY_SIZE(s3c_ts_resource),
  43         .resource       = s3c_ts_resource,
  44 };
  45
  46 void __init s3c24xx_ts_set_platdata(struct s3c2410_ts_mach_info *pd)
  47 {
  48         struct s3c2410_ts_mach_info *npd;
  49
  50         if (!pd) {
  51                 printk(KERN_ERR "%s: no platform data\n", __func__);
  52                 return;
  53         }
  54
  55         npd = kmemdup(pd, sizeof(struct s3c2410_ts_mach_info), GFP_KERNEL);
  56         if (!npd)
  57                 printk(KERN_ERR "%s: no memory for platform data\n", __func__);
  58
  59         s3c_device_ts.dev.platform_data = npd;
  60 }
  61 EXPORT_SYMBOL(s3c24xx_ts_set_platdata);