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 <arnaud.patard@rtp-net.org> Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
mariux64 · Dec 23, 2009 · b9bf770 · b9bf770
1 parent c9f937e
commit b9bf770
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diff --git a/arch/arm/mach-s3c2410/include/mach/ts.h b/arch/arm/mach-s3c2410/include/mach/ts.h
@@ -0,0 +1,21 @@
+/* linux/include/asm/arch-s3c2410/ts.h
+ *
+ * Copyright (c) 2005 Arnaud Patard <arnaud.patard@rtp-net.org>
+ *
+ * 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 */
diff --git a/arch/arm/plat-s3c/include/plat/devs.h b/arch/arm/plat-s3c/include/plat/devs.h
@@ -31,6 +31,7 @@ extern struct platform_device s3c64xx_device_iisv4;
 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;

diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c
@@ -37,6 +37,8 @@
 #include <plat/cpu.h>
 #include <plat/regs-spi.h>
 
+#include <mach/ts.h>
+
 /* Serial port registrations */
 
 static struct resource s3c2410_uart0_resource[] = {
@@ -182,6 +184,22 @@ void __init s3c24xx_fb_set_platdata(struct s3c2410fb_mach_info *pd)
 	}
 }
 
+/* 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)*/
 
 static struct resource s3c_usbgadget_resource[] = {

diff --git a/arch/arm/plat-s3c24xx/s3c244x.c b/arch/arm/plat-s3c24xx/s3c244x.c
@@ -70,6 +70,7 @@ void __init s3c244x_map_io(void)
 	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";
 }