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authorBen Dooks <ben@simtec.co.uk>2009-07-30 23:23:25 +0100
committerBen Dooks <ben-linux@fluff.org>2009-07-30 23:22:52 +0100
commit9d56c02a5a171e1fdb87f3b718b418cb0522d2b1 (patch)
tree8256f14b4b42d95d82340be27b74b824cc7760b4 /arch/arm/Kconfig
parent89c52ed4687faca6bf0eabf6d46eaee4a14376b3 (diff)
ARM: Add S3C24XX to CPUFreq KConfig
Add the S3C24XX to the main ARM CPUFreq Kconfig support list. Signed-off-by: Ben Dooks <ben@simtec.co.uk> Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'arch/arm/Kconfig')
-rw-r--r--arch/arm/Kconfig41
1 files changed, 41 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 7dbaabd8df3..c7a83efef0b 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -573,6 +573,7 @@ config ARCH_SA1100
config ARCH_S3C2410
bool "Samsung S3C2410, S3C2412, S3C2413, S3C2440, S3C2442, S3C2443"
select GENERIC_GPIO
+ select ARCH_HAS_CPUFREQ
select HAVE_CLK
help
Samsung S3C2410X CPU based systems, such as the Simtec Electronics
@@ -1288,6 +1289,46 @@ config CPU_FREQ_S3C64XX
bool "CPUfreq support for Samsung S3C64XX CPUs"
depends on CPU_FREQ && CPU_S3C6410
+config CPU_FREQ_S3C
+ bool
+ help
+ Internal configuration node for common cpufreq on Samsung SoC
+
+config CPU_FREQ_S3C24XX
+ bool "CPUfreq driver for Samsung S3C24XX series CPUs"
+ depends on ARCH_S3C2410 && CPU_FREQ && EXPERIMENTAL
+ select CPU_FREQ_S3C
+ help
+ This enables the CPUfreq driver for the Samsung S3C24XX family
+ of CPUs.
+
+ For details, take a look at <file:Documentation/cpu-freq>.
+
+ If in doubt, say N.
+
+config CPU_FREQ_S3C24XX_PLL
+ bool "Support CPUfreq changing of PLL frequency"
+ depends on CPU_FREQ_S3C24XX && EXPERIMENTAL
+ help
+ Compile in support for changing the PLL frequency from the
+ S3C24XX series CPUfreq driver. The PLL takes time to settle
+ after a frequency change, so by default it is not enabled.
+
+ This also means that the PLL tables for the selected CPU(s) will
+ be built which may increase the size of the kernel image.
+
+config CPU_FREQ_S3C24XX_DEBUG
+ bool "Debug CPUfreq Samsung driver core"
+ depends on CPU_FREQ_S3C24XX
+ help
+ Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
+
+config CPU_FREQ_S3C24XX_IODEBUG
+ bool "Debug CPUfreq Samsung driver IO timing"
+ depends on CPU_FREQ_S3C24XX
+ help
+ Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
+
endif
source "drivers/cpuidle/Kconfig"