# # ARM CPU Frequency scaling drivers # # big LITTLE core layer and glue drivers config ARM_BIG_LITTLE_CPUFREQ tristate "Generic ARM big LITTLE CPUfreq driver" depends on ARM && BIG_LITTLE && ARM_CPU_TOPOLOGY && HAVE_CLK select PM_OPP help This enables the Generic CPUfreq driver for ARM big.LITTLE platforms. config ARM_DT_BL_CPUFREQ tristate "Generic probing via DT for ARM big LITTLE CPUfreq driver" depends on ARM_BIG_LITTLE_CPUFREQ && OF help This enables probing via DT for Generic CPUfreq driver for ARM big.LITTLE platform. This gets frequency tables from DT. config ARM_VEXPRESS_SPC_CPUFREQ tristate "Versatile Express SPC based CPUfreq driver" depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC help This add the CPUfreq driver support for Versatile Express big.LITTLE platforms using SPC for power management. config ARM_EXYNOS_CPUFREQ bool config ARM_EXYNOS4210_CPUFREQ bool "SAMSUNG EXYNOS4210" depends on CPU_EXYNOS4210 default y select ARM_EXYNOS_CPUFREQ help This adds the CPUFreq driver for Samsung EXYNOS4210 SoC (S5PV310 or S5PC210). If in doubt, say N. config ARM_EXYNOS4X12_CPUFREQ bool "SAMSUNG EXYNOS4x12" depends on SOC_EXYNOS4212 || SOC_EXYNOS4412 default y select ARM_EXYNOS_CPUFREQ help This adds the CPUFreq driver for Samsung EXYNOS4X12 SoC (EXYNOS4212 or EXYNOS4412). If in doubt, say N. config ARM_EXYNOS5250_CPUFREQ bool "SAMSUNG EXYNOS5250" depends on SOC_EXYNOS5250 default y select ARM_EXYNOS_CPUFREQ help This adds the CPUFreq driver for Samsung EXYNOS5250 SoC. If in doubt, say N. config ARM_EXYNOS5440_CPUFREQ bool "SAMSUNG EXYNOS5440" depends on SOC_EXYNOS5440 depends on HAVE_CLK && OF select PM_OPP default y help This adds the CPUFreq driver for Samsung EXYNOS5440 SoC. The nature of exynos5440 clock controller is different than previous exynos controllers so not using the common exynos framework. If in doubt, say N. config ARM_EXYNOS_CPU_FREQ_BOOST_SW bool "EXYNOS Frequency Overclocking - Software" depends on ARM_EXYNOS_CPUFREQ && THERMAL select CPU_FREQ_BOOST_SW select EXYNOS_THERMAL help This driver supports software managed overclocking (BOOST). It allows usage of special frequencies for Samsung Exynos processors if thermal conditions are appropriate. It requires, for safe operation, thermal framework with properly defined trip points. If in doubt, say N. config ARM_HIGHBANK_CPUFREQ tristate "Calxeda Highbank-based" depends on ARCH_HIGHBANK && GENERIC_CPUFREQ_CPU0 && REGULATOR default m help This adds the CPUFreq driver for Calxeda Highbank SoC based boards. If in doubt, say N. config ARM_IMX6Q_CPUFREQ tristate "Freescale i.MX6 cpufreq support" depends on ARCH_MXC depends on REGULATOR_ANATOP select PM_OPP help This adds cpufreq driver support for Freescale i.MX6 series SoCs. If in doubt, say N. config ARM_INTEGRATOR tristate "CPUfreq driver for ARM Integrator CPUs" depends on ARCH_INTEGRATOR default y help This enables the CPUfreq driver for ARM Integrator CPUs. If in doubt, say Y. config ARM_KIRKWOOD_CPUFREQ def_bool MACH_KIRKWOOD help This adds the CPUFreq driver for Marvell Kirkwood SoCs. config ARM_OMAP2PLUS_CPUFREQ bool "TI OMAP2+" depends on ARCH_OMAP2PLUS default ARCH_OMAP2PLUS config ARM_S3C_CPUFREQ bool help Internal configuration node for common cpufreq on Samsung SoC config ARM_S3C24XX_CPUFREQ bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)" depends on ARCH_S3C24XX select ARM_S3C_CPUFREQ help This enables the CPUfreq driver for the Samsung S3C24XX family of CPUs. For details, take a look at . If in doubt, say N. config ARM_S3C24XX_CPUFREQ_DEBUG bool "Debug CPUfreq Samsung driver core" depends on ARM_S3C24XX_CPUFREQ help Enable s3c_freq_dbg for the Samsung S3C CPUfreq core config ARM_S3C24XX_CPUFREQ_IODEBUG bool "Debug CPUfreq Samsung driver IO timing" depends on ARM_S3C24XX_CPUFREQ help Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core config ARM_S3C24XX_CPUFREQ_DEBUGFS bool "Export debugfs for CPUFreq" depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS help Export status information via debugfs. config ARM_S3C2410_CPUFREQ bool depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410 select S3C2410_CPUFREQ_UTILS help CPU Frequency scaling support for S3C2410 config ARM_S3C2412_CPUFREQ bool depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412 default y select S3C2412_IOTIMING help CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs. config ARM_S3C2416_CPUFREQ bool "S3C2416 CPU Frequency scaling support" depends on CPU_S3C2416 help This adds the CPUFreq driver for the Samsung S3C2416 and S3C2450 SoC. The S3C2416 supports changing the rate of the armdiv clock source and also entering a so called dynamic voltage scaling mode in which it is possible to reduce the core voltage of the CPU. If in doubt, say N. config ARM_S3C2416_CPUFREQ_VCORESCALE bool "Allow voltage scaling for S3C2416 arm core" depends on ARM_S3C2416_CPUFREQ && REGULATOR help Enable CPU voltage scaling when entering the dvs mode. It uses information gathered through existing hardware and tests but not documented in any datasheet. If in doubt, say N. config ARM_S3C2440_CPUFREQ bool "S3C2440/S3C2442 CPU Frequency scaling support" depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442) select S3C2410_CPUFREQ_UTILS default y help CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs. config ARM_S3C64XX_CPUFREQ bool "Samsung S3C64XX" depends on CPU_S3C6410 default y help This adds the CPUFreq driver for Samsung S3C6410 SoC. If in doubt, say N. config ARM_S5PV210_CPUFREQ bool "Samsung S5PV210 and S5PC110" depends on CPU_S5PV210 default y help This adds the CPUFreq driver for Samsung S5PV210 and S5PC110 SoCs. If in doubt, say N. config ARM_SA1100_CPUFREQ bool config ARM_SA1110_CPUFREQ bool config ARM_SPEAR_CPUFREQ bool "SPEAr CPUFreq support" depends on PLAT_SPEAR default y help This adds the CPUFreq driver support for SPEAr SOCs. config ARM_TEGRA_CPUFREQ bool "TEGRA CPUFreq support" depends on ARCH_TEGRA default y help This adds the CPUFreq driver support for TEGRA SOCs.