Make s3c TS driver use s3c-adc API

I had a patch by Vasily Khoruzhick <anarsoul@gmail.com>
in the linux-arm-kernel as a guide for some of the changes.

Signed-off-by: Nelson Castillo <arhuaco@freaks-unidos.net>

8 files changed, 21 insertions, 4 deletions

diff --git a/arch/arm/configs/gta01_moredrivers_defconfig b/arch/arm/configs/gta01_moredrivers_defconfig
index 36d2b170b52..0ed35d8bd1b 100644
--- a/arch/arm/configs/gta01_moredrivers_defconfig
+++ b/arch/arm/configs/gta01_moredrivers_defconfig
@@ -180,7 +180,7 @@ CONFIG_S3C2410_CLOCK=y
 CONFIG_S3C24XX_GPIO_EXTRA=0
 CONFIG_S3C2410_DMA=y
 # CONFIG_S3C2410_DMA_DEBUG is not set
-# CONFIG_S3C24XX_ADC is not set
+CONFIG_S3C24XX_ADC=y
 CONFIG_MACH_NEO1973=y
 CONFIG_PLAT_S3C=y
 CONFIG_CPU_LLSERIAL_S3C2410_ONLY=y
diff --git a/arch/arm/configs/gta02_micro_defconfig b/arch/arm/configs/gta02_micro_defconfig
index ae30c4b1ddb..6a6ff77ea2c 100644
--- a/arch/arm/configs/gta02_micro_defconfig
+++ b/arch/arm/configs/gta02_micro_defconfig
@@ -158,7 +158,7 @@ CONFIG_S3C24XX_PWM=y
 CONFIG_S3C24XX_GPIO_EXTRA=0
 CONFIG_S3C2410_DMA=y
 # CONFIG_S3C2410_DMA_DEBUG is not set
-# CONFIG_S3C24XX_ADC is not set
+CONFIG_S3C24XX_ADC=y
 CONFIG_MACH_NEO1973=y
 CONFIG_PLAT_S3C=y
 CONFIG_CPU_LLSERIAL_S3C2440_ONLY=y
diff --git a/arch/arm/configs/gta02_moredrivers_defconfig b/arch/arm/configs/gta02_moredrivers_defconfig
index bd66869f74a..13b41215faa 100644
--- a/arch/arm/configs/gta02_moredrivers_defconfig
+++ b/arch/arm/configs/gta02_moredrivers_defconfig
@@ -180,7 +180,7 @@ CONFIG_S3C24XX_PWM=y
 CONFIG_S3C24XX_GPIO_EXTRA=0
 CONFIG_S3C2410_DMA=y
 # CONFIG_S3C2410_DMA_DEBUG is not set
-# CONFIG_S3C24XX_ADC is not set
+CONFIG_S3C24XX_ADC=y
 CONFIG_MACH_SMDK=y
 CONFIG_MACH_NEO1973=y
 CONFIG_PLAT_S3C=y
diff --git a/arch/arm/configs/gta02_packaging_defconfig b/arch/arm/configs/gta02_packaging_defconfig
index 15defd28841..03c72d5652b 100644
--- a/arch/arm/configs/gta02_packaging_defconfig
+++ b/arch/arm/configs/gta02_packaging_defconfig
@@ -180,7 +180,7 @@ CONFIG_S3C24XX_PWM=y
 CONFIG_S3C24XX_GPIO_EXTRA=0
 CONFIG_S3C2410_DMA=y
 # CONFIG_S3C2410_DMA_DEBUG is not set
-# CONFIG_S3C24XX_ADC is not set
+CONFIG_S3C24XX_ADC=y
 CONFIG_MACH_SMDK=y
 CONFIG_MACH_NEO1973=y
 CONFIG_PLAT_S3C=y
diff --git a/arch/arm/mach-s3c2410/mach-gta01.c b/arch/arm/mach-s3c2410/mach-gta01.c
index 8a13a4adcfd..339eb845744 100644
--- a/arch/arm/mach-s3c2410/mach-gta01.c
+++ b/arch/arm/mach-s3c2410/mach-gta01.c
@@ -993,6 +993,10 @@ static void __init gta01_machine_init(void)
 	printk(KERN_DEBUG  "Enabled GSM wakeup IRQ %d (rc=%d)\n",
 	       GTA01_IRQ_MODEM, rc);
 
+#ifdef CONFIG_S3C24XX_ADC
+	platform_device_register(&s3c_device_adc);
+#endif
+
 	pm_power_off = &gta01_power_off;
 }
 
diff --git a/arch/arm/mach-s3c2442/mach-gta02.c b/arch/arm/mach-s3c2442/mach-gta02.c
index e4f052595bd..346c2298b08 100644
--- a/arch/arm/mach-s3c2442/mach-gta02.c
+++ b/arch/arm/mach-s3c2442/mach-gta02.c
@@ -1717,6 +1717,9 @@ static void __init gta02_machine_init(void)
 	gta02_vibrator_dev.dev.parent = &s3c24xx_pwm_device.dev; 
 	platform_device_register(&gta02_vibrator_dev);
 #endif
+#ifdef CONFIG_S3C24XX_ADC
+        platform_device_register(&s3c_device_adc);
+#endif
 }
 
 void DEBUG_LED(int n)
diff --git a/arch/arm/plat-s3c24xx/adc.c b/arch/arm/plat-s3c24xx/adc.c
index a9eec95f70d..9056bcc6c17 100644
--- a/arch/arm/plat-s3c24xx/adc.c
+++ b/arch/arm/plat-s3c24xx/adc.c
@@ -69,10 +69,19 @@ static LIST_HEAD(adc_pending);
 
 #define adc_dbg(_adc, msg...) dev_dbg(&(_adc)->pdev->dev, msg)
 
+#define AUTOPST	(S3C2410_ADCTSC_YM_SEN | S3C2410_ADCTSC_YP_SEN | \
+		 S3C2410_ADCTSC_XP_SEN | S3C2410_ADCTSC_AUTO_PST | \
+		 S3C2410_ADCTSC_XY_PST(0))
+
+
 static inline void s3c_adc_convert(struct adc_device *adc)
 {
 	unsigned con = readl(adc->regs + S3C2410_ADCCON);
 
+	if (adc->cur->is_ts)
+		writel(S3C2410_ADCTSC_PULL_UP_DISABLE | AUTOPST,
+		       adc->regs + S3C2410_ADCTSC);
+
 	con |= S3C2410_ADCCON_ENABLE_START;
 	writel(con, adc->regs + S3C2410_ADCCON);
 }
diff --git a/arch/arm/plat-s3c24xx/devs.c b/arch/arm/plat-s3c24xx/devs.c
index 0fdaa54ada9..eeb95f863ce 100644
--- a/arch/arm/plat-s3c24xx/devs.c
+++ b/arch/arm/plat-s3c24xx/devs.c
@@ -205,6 +205,7 @@ EXPORT_SYMBOL(s3c_device_nand);
 struct platform_device s3c_device_ts = {
 	.name		  = "s3c2410-ts",
 	.id		  = -1,
+	.dev.parent	  = &s3c_device_adc.dev,
 };
 
 EXPORT_SYMBOL(s3c_device_ts);