ARM: S3C2410: CPUFREQ: Add io-timing support.

Add io-timing support for frequency scaling on the S3C2410 SoC.
Signed-off-by: Ben Dooks <ben@simtec.co.uk>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>

arch/arm/plat-s3c24xx/Kconfig

@@ -107,6 +107,15 @@ config S3C24XX_SPI_BUS1_GPG5_GPG6_GPG7
 
 # common code for s3c24xx based machines, such as the SMDKs.
 
+# cpu frequency items common between s3c2410 and s3c2440/s3c2442
+
+config S3C2410_IOTIMING
+	bool
+	depends on CPU_FREQ_S3C24XX
+	help
+	  Internal node to select io timing code that is common to the s3c2410
+	  and s3c2440/s3c2442 cpu frequency support.
+
 config MACH_SMDK
 	bool
 	help

arch/arm/plat-s3c24xx/Makefile

@@ -35,6 +35,7 @@ obj-$(CONFIG_S3C24XX_PWM)	+= pwm.o
 obj-$(CONFIG_S3C2410_CLOCK)	+= s3c2410-clock.o
 obj-$(CONFIG_S3C2410_DMA)	+= dma.o
 obj-$(CONFIG_S3C24XX_ADC)	+= adc.o
+obj-$(CONFIG_S3C2410_IOTIMING)	+= s3c2410-iotiming.o
 
 # device specific setup and/or initialisation
 obj-$(CONFIG_ARCH_S3C2410)	+= setup-i2c.o