diff options
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 61 |
1 files changed, 60 insertions, 1 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index aef63c8..f07a4ba 100644 --- 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 || ARCH_S3C64XX) +if ARCH_HAS_CPUFREQ source "drivers/cpufreq/Kconfig" @@ -1276,6 +1289,52 @@ 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" |
