ARM: S3C24XX: touchscreen device definition

Add definition for the touchscreen driver platform data and initial
support for the H1940 machine.

Signed-off-by: Arnaud Patard <[e-mail]>
Signed-off-by: Ben Dooks <[e-mail]>
Signed-off-by: Ben Dooks <[e-mail]>

arch/arm/mach-s3c2410/include/mach/ts.h

···
+/* linux/include/asm/arch-s3c2410/ts.h
+ *
+ * Copyright (c) 2005 Arnaud Patard <[e-mail]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#ifndef __ASM_ARM_TS_H
+#define __ASM_ARM_TS_H
+
+struct s3c2410_ts_mach_info {
+       int             delay;
+       int             presc;
+       int             oversampling_shift;
+};
+
+extern void s3c24xx_ts_set_platdata(struct s3c2410_ts_mach_info *);
+
+#endif /* __ASM_ARM_TS_H */

arch/arm/mach-s3c2410/mach-h1940.c

···
 #include <mach/h1940.h>
 #include <mach/h1940-latch.h>
 #include <mach/fb.h>
+#include <mach/ts.h>
 #include <plat/udc.h>
 #include <plat/iic.h>
 
···
 	.vbus_pin_inverted	= 1,
 };
 
+static struct s3c2410_ts_mach_info h1940_ts_cfg __initdata = {
+		.delay = 10000,
+		.presc = 49,
+		.oversampling_shift = 2,
+};
 
 /**
  * Set lcd on or off
···
 };
 
 static struct platform_device *h1940_devices[] __initdata = {
+	&s3c_device_ts,
 	&s3c_device_usb,
 	&s3c_device_lcd,
 	&s3c_device_wdt,
···
 
 	s3c24xx_fb_set_platdata(&h1940_fb_info);
  	s3c24xx_udc_set_platdata(&h1940_udc_cfg);
+	s3c24xx_ts_set_platdata(&h1940_ts_cfg);
 	s3c_i2c0_set_platdata(NULL);
 
 	s3c_device_sdi.dev.platform_data = &h1940_mmc_cfg;

arch/arm/plat-s3c/include/plat/devs.h

···
 extern struct platform_device s3c64xx_device_pcm0;
 extern struct platform_device s3c64xx_device_pcm1;
 
+extern struct platform_device s3c_device_ts;
 extern struct platform_device s3c_device_fb;
 extern struct platform_device s3c_device_usb;
 extern struct platform_device s3c_device_lcd;

arch/arm/plat-s3c24xx/devs.c

···
 #include <plat/cpu.h>
 #include <plat/regs-spi.h>
 
+#include <mach/ts.h>
+
 /* Serial port registrations */
 
 static struct resource s3c2410_uart0_resource[] = {
···
 		printk(KERN_ERR "no memory for LCD platform data\n");
 	}
 }
+
+/* Touchscreen */
+struct platform_device s3c_device_ts = {
+	.name		  = "s3c2410-ts",
+	.id		  = -1,
+};
+EXPORT_SYMBOL(s3c_device_ts);
+
+static struct s3c2410_ts_mach_info s3c2410ts_info;
+
+void __init s3c24xx_ts_set_platdata(struct s3c2410_ts_mach_info *hard_s3c2410ts_info)
+{
+	memcpy(&s3c2410ts_info, hard_s3c2410ts_info, sizeof(struct s3c2410_ts_mach_info));
+	s3c_device_ts.dev.platform_data = &s3c2410ts_info;
+}
+EXPORT_SYMBOL(s3c24xx_ts_set_platdata);
 
 /* USB Device (Gadget)*/
 

arch/arm/plat-s3c24xx/s3c244x.c

···
 	s3c_device_sdi.name  = "s3c2440-sdi";
 	s3c_device_i2c0.name  = "s3c2440-i2c";
 	s3c_device_nand.name = "s3c2440-nand";
+	s3c_device_ts.name = "s3c2440-ts";
 	s3c_device_usbgadget.name = "s3c2440-usbgadget";
 }