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Subject[PATCH 2/4] s3c2440: mini2440: Add touchscreen support for mini2440.
Date
Patch add support for mini2440 touchscreen.
Some code borrowed from:
git://repo.or.cz/linux-2.6/mini2440.git

Signed-off-by: Marek Belisko <marek.belisko@open-nandra.com>
---
arch/arm/mach-s3c2440/mach-mini2440.c | 17 +++++++++++++++--
1 files changed, 15 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-s3c2440/mach-mini2440.c b/arch/arm/mach-s3c2440/mach-mini2440.c
index ce152b4..163d318 100644
--- a/arch/arm/mach-s3c2440/mach-mini2440.c
+++ b/arch/arm/mach-s3c2440/mach-mini2440.c
@@ -47,6 +47,7 @@
#include <plat/iic.h>
#include <plat/mci.h>
#include <plat/udc.h>
+#include <plat/ts.h>

#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
@@ -530,6 +531,11 @@ static struct platform_device uda1340_codec = {
.id = -1,
};

+static struct s3c2410_ts_mach_info mini2440_ts_cfg __initdata = {
+ .delay = 10000,
+ .presc = 0xff, /* slow as we can go */
+};
+
static struct platform_device *mini2440_devices[] __initdata = {
&s3c_device_ohci,
&s3c_device_wdt,
@@ -548,6 +554,7 @@ static struct platform_device *mini2440_devices[] __initdata = {
&uda1340_codec,
&mini2440_audio,
&samsung_asoc_dma,
+ &s3c_device_adc,
};

static void __init mini2440_map_io(void)
@@ -631,8 +638,13 @@ static void mini2440_parse_features(
features->done |= FEATURE_BACKLIGHT;
break;
case 't':
- printk(KERN_INFO "MINI2440: '%c' ignored, "
- "touchscreen not compiled in\n", f);
+ if (features->done & FEATURE_TOUCH)
+ printk(KERN_INFO "MINI2440: '%c' ignored, "
+ "touchscreen already set\n", f);
+ else
+ features->optional[features->count++] =
+ &s3c_device_ts;
+ features->done |= FEATURE_TOUCH;
break;
case 'c':
if (features->done & FEATURE_CAMERA)
@@ -699,6 +711,7 @@ static void __init mini2440_init(void)
s3c24xx_mci_set_platdata(&mini2440_mmc_cfg);
s3c_nand_set_platdata(&mini2440_nand_info);
s3c_i2c0_set_platdata(NULL);
+ s3c24xx_ts_set_platdata(&mini2440_ts_cfg);

i2c_register_board_info(0, mini2440_i2c_devs,
ARRAY_SIZE(mini2440_i2c_devs));
--
1.7.1


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