Merge branch 'next-s3c24xx-cpufreq' into next-s3c

[deliverable/linux.git] / arch / arm / Kconfig

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 29475101a7b38adfb5de3c68e446f64d623a7f68..f07a4ba281bc57b9953cabaa2c29c290442b5816 100644 (file)
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -126,6 +126,13 @@ config ARCH_HAS_ILOG2_U32
 config ARCH_HAS_ILOG2_U64
        bool
 
+config ARCH_HAS_CPUFREQ
+       bool
+       help
+         Internal node to signify that the ARCH has CPUFREQ support
+         and that the relevant menu configurations are displayed for
+         it.
+
 config GENERIC_HWEIGHT
        bool
        default y
@@ -203,6 +210,7 @@ config ARCH_AAEC2000
 config ARCH_INTEGRATOR
        bool "ARM Ltd. Integrator family"
        select ARM_AMBA
+       select ARCH_HAS_CPUFREQ
        select HAVE_CLK
        select COMMON_CLKDEV
        select ICST525
@@ -509,6 +517,7 @@ config ARCH_PXA
        bool "PXA2xx/PXA3xx-based"
        depends on MMU
        select ARCH_MTD_XIP
+       select ARCH_HAS_CPUFREQ
        select GENERIC_GPIO
        select HAVE_CLK
        select COMMON_CLKDEV
@@ -551,6 +560,7 @@ config ARCH_SA1100
        select ISA
        select ARCH_SPARSEMEM_ENABLE
        select ARCH_MTD_XIP
+       select ARCH_HAS_CPUFREQ
        select GENERIC_GPIO
        select GENERIC_TIME
        select GENERIC_CLOCKEVENTS
@@ -563,6 +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
@@ -573,6 +584,7 @@ config ARCH_S3C64XX
        bool "Samsung S3C64XX"
        select GENERIC_GPIO
        select HAVE_CLK
+       select ARCH_HAS_CPUFREQ
        help
          Samsung S3C64XX series based systems
 
@@ -632,6 +644,7 @@ config ARCH_OMAP
        select GENERIC_GPIO
        select HAVE_CLK
        select ARCH_REQUIRE_GPIOLIB
+       select ARCH_HAS_CPUFREQ
        select GENERIC_TIME
        select GENERIC_CLOCKEVENTS
        help
@@ -1241,7 +1254,7 @@ endmenu
 
 menu "CPU Power Management"
 
-if (ARCH_SA1100 || ARCH_INTEGRATOR || ARCH_OMAP || ARCH_PXA)
+if ARCH_HAS_CPUFREQ
 
 source "drivers/cpufreq/Kconfig"
 
@@ -1272,6 +1285,56 @@ config CPU_FREQ_PXA
        default y
        select CPU_FREQ_DEFAULT_GOV_USERSPACE
 
+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
+
+config CPU_FREQ_S3C24XX_DEBUGFS
+       bool "Export debugfs for CPUFreq"
+       depends on CPU_FREQ_S3C24XX && DEBUG_FS
+       help
+         Export status information via debugfs.
+
 endif
 
 source "drivers/cpuidle/Kconfig"