ARM: S5P6440: Add RTC support for S5P6440

This patch adds support RTC driver for Samsung S5P6440.
Signed-off-by: NAtul Dahiya <atul.dahiya@samsung.com>
Signed-off-by: NKukjin Kim <kgene.kim@samsung.com>

arch/arm/mach-s5p6440/Kconfig

@@ -18,7 +18,9 @@ config MACH_SMDK6440
 	select CPU_S5P6440
 	select SAMSUNG_DEV_TS
 	select SAMSUNG_DEV_ADC
+	select S3C_DEV_RTC
 	select S3C_DEV_WDT
+	select HAVE_S3C_RTC
 	select HAVE_S3C2410_WATCHDOG
 	help
 	  Machine support for the Samsung SMDK6440

arch/arm/mach-s5p6440/include/mach/map.h

@@ -38,7 +38,6 @@
 #define S5P_PA_TIMER		S5P6440_PA_TIMER
 
 #define S5P6440_PA_RTC		(0xEA100000)
-#define S5P_PA_RTC		S5P6440_PA_RTC
 
 #define S5P6440_PA_WDT		(0xEA200000)
 #define S5P_PA_WDT		S5P6440_PA_WDT
@@ -77,6 +76,7 @@
 /* compatibiltiy defines. */
 #define S3C_PA_UART		S5P6440_PA_UART
 #define S3C_PA_IIC		S5P6440_PA_IIC0
+#define S3C_PA_RTC		S5P6440_PA_RTC
 #define S3C_PA_WDT		S5P6440_PA_WDT
 
 #define SAMSUNG_PA_ADC		S5P6440_PA_ADC

arch/arm/mach-s5p6440/mach-smdk6440.c

@@ -88,6 +88,7 @@ static struct s3c2410_uartcfg smdk6440_uartcfgs[] __initdata = {
 static struct platform_device *smdk6440_devices[] __initdata = {
 	&s5p6440_device_iis,
 	&s3c_device_adc,
+	&s3c_device_rtc,
 	&s3c_device_ts,
 	&s3c_device_wdt,
 };