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 <asm/sizes.h>
  24
  25 #include <plat/devs.h>
  26 #include <plat/ts.h>
  27
  28 static struct resource s3c_ts_resource[] = {
  29         [0] = {
  30                 .start = SAMSUNG_PA_ADC,
  31                 .end   = SAMSUNG_PA_ADC + SZ_256 - 1,
  32                 .flags = IORESOURCE_MEM,
  33         },
  34         [1] = {
  35                 .start = IRQ_TC,
  36                 .end   = IRQ_TC,
  37                 .flags = IORESOURCE_IRQ,
  38         },
  39 };
  40
  41 struct platform_device s3c_device_ts = {
  42         .name           = "s3c64xx-ts",
  43         .id             = -1,
  44         .num_resources  = ARRAY_SIZE(s3c_ts_resource),
  45         .resource       = s3c_ts_resource,
  46 };
  47
  48 static struct s3c2410_ts_mach_info default_ts_data __initdata = {
  49         .delay                  = 10000,
  50         .presc                  = 49,
  51         .oversampling_shift     = 2,
  52 };
  53
  54 void __init s3c24xx_ts_set_platdata(struct s3c2410_ts_mach_info *pd)
  55 {
  56         if (!pd)
  57                 pd = &default_ts_data;
  58
  59         s3c_set_platdata(pd, sizeof(struct s3c2410_ts_mach_info),
  60                          &s3c_device_ts);
  61 }