| # | |
| # ARM CPU Frequency scaling drivers | |
| # | |
| config ACPI_CPPC_CPUFREQ | |
| tristate "CPUFreq driver based on the ACPI CPPC spec" | |
| depends on ACPI_PROCESSOR | |
| select ACPI_CPPC_LIB | |
| help | |
| This adds a CPUFreq driver which uses CPPC methods | |
| as described in the ACPIv5.1 spec. CPPC stands for | |
| Collaborative Processor Performance Controls. It | |
| is based on an abstract continuous scale of CPU | |
| performance values which allows the remote power | |
| processor to flexibly optimize for power and | |
| performance. CPPC relies on power management firmware | |
| support for its operation. | |
| If in doubt, say N. | |
| config ARM_ARMADA_37XX_CPUFREQ | |
| tristate "Armada 37xx CPUFreq support" | |
| depends on ARCH_MVEBU && CPUFREQ_DT | |
| help | |
| This adds the CPUFreq driver support for Marvell Armada 37xx SoCs. | |
| The Armada 37xx PMU supports 4 frequency and VDD levels. | |
| # big LITTLE core layer and glue drivers | |
| config ARM_BIG_LITTLE_CPUFREQ | |
| tristate "Generic ARM big LITTLE CPUfreq driver" | |
| depends on (ARM_CPU_TOPOLOGY || ARM64) && HAVE_CLK | |
| # if CPU_THERMAL is on and THERMAL=m, ARM_BIT_LITTLE_CPUFREQ cannot be =y | |
| depends on !CPU_THERMAL || THERMAL | |
| 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_SCPI_CPUFREQ | |
| tristate "SCPI based CPUfreq driver" | |
| depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI | |
| depends on !CPU_THERMAL || THERMAL | |
| help | |
| This adds the CPUfreq driver support for ARM platforms using SCPI | |
| protocol for CPU power management. | |
| This driver uses SCPI Message Protocol driver to interact with the | |
| firmware providing the CPU DVFS functionality. | |
| 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_BRCMSTB_AVS_CPUFREQ | |
| tristate "Broadcom STB AVS CPUfreq driver" | |
| depends on ARCH_BRCMSTB || COMPILE_TEST | |
| default y | |
| help | |
| Some Broadcom STB SoCs use a co-processor running proprietary firmware | |
| ("AVS") to handle voltage and frequency scaling. This driver provides | |
| a standard CPUfreq interface to to the firmware. | |
| Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS. | |
| config ARM_HIGHBANK_CPUFREQ | |
| tristate "Calxeda Highbank-based" | |
| depends on ARCH_HIGHBANK && CPUFREQ_DT && 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_KIRKWOOD_CPUFREQ | |
| def_bool MACH_KIRKWOOD | |
| help | |
| This adds the CPUFreq driver for Marvell Kirkwood | |
| SoCs. | |
| config ARM_MEDIATEK_CPUFREQ | |
| tristate "CPU Frequency scaling support for MediaTek SoCs" | |
| depends on ARCH_MEDIATEK && REGULATOR | |
| depends on !CPU_THERMAL || THERMAL | |
| select PM_OPP | |
| help | |
| This adds the CPUFreq driver support for MediaTek SoCs. | |
| config ARM_OMAP2PLUS_CPUFREQ | |
| bool "TI OMAP2+" | |
| depends on ARCH_OMAP2PLUS | |
| default ARCH_OMAP2PLUS | |
| config ARM_QCOM_CPUFREQ_KRYO | |
| tristate "Qualcomm Kryo based CPUFreq" | |
| depends on ARM64 | |
| depends on QCOM_QFPROM | |
| depends on QCOM_SMEM | |
| select PM_OPP | |
| help | |
| This adds the CPUFreq driver for Qualcomm Kryo SoC based boards. | |
| If in doubt, say N. | |
| 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 <file:Documentation/cpu-freq>. | |
| 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_SCMI_CPUFREQ | |
| tristate "SCMI based CPUfreq driver" | |
| depends on ARM_SCMI_PROTOCOL || COMPILE_TEST | |
| depends on !CPU_THERMAL || THERMAL | |
| select PM_OPP | |
| help | |
| This adds the CPUfreq driver support for ARM platforms using SCMI | |
| protocol for CPU power management. | |
| This driver uses SCMI Message Protocol driver to interact with the | |
| firmware providing the CPU DVFS functionality. | |
| 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_STI_CPUFREQ | |
| tristate "STi CPUFreq support" | |
| depends on SOC_STIH407 | |
| help | |
| This driver uses the generic OPP framework to match the running | |
| platform with a predefined set of suitable values. If not provided | |
| we will fall-back so safe-values contained in Device Tree. Enable | |
| this config option if you wish to add CPUFreq support for STi based | |
| SoCs. | |
| config ARM_TANGO_CPUFREQ | |
| bool | |
| depends on CPUFREQ_DT && ARCH_TANGO | |
| default y | |
| config ARM_TEGRA20_CPUFREQ | |
| tristate "Tegra20 CPUFreq support" | |
| depends on ARCH_TEGRA | |
| default y | |
| help | |
| This adds the CPUFreq driver support for Tegra20 SOCs. | |
| config ARM_TEGRA124_CPUFREQ | |
| tristate "Tegra124 CPUFreq support" | |
| depends on ARCH_TEGRA && CPUFREQ_DT && REGULATOR | |
| default y | |
| help | |
| This adds the CPUFreq driver support for Tegra124 SOCs. | |
| config ARM_TEGRA186_CPUFREQ | |
| tristate "Tegra186 CPUFreq support" | |
| depends on ARCH_TEGRA && TEGRA_BPMP | |
| help | |
| This adds the CPUFreq driver support for Tegra186 SOCs. | |
| config ARM_TI_CPUFREQ | |
| bool "Texas Instruments CPUFreq support" | |
| depends on ARCH_OMAP2PLUS | |
| help | |
| This driver enables valid OPPs on the running platform based on | |
| values contained within the SoC in use. Enable this in order to | |
| use the cpufreq-dt driver on all Texas Instruments platforms that | |
| provide dt based operating-points-v2 tables with opp-supported-hw | |
| data provided. Required for cpufreq support on AM335x, AM437x, | |
| DRA7x, and AM57x platforms. | |
| config ARM_PXA2xx_CPUFREQ | |
| tristate "Intel PXA2xx CPUfreq driver" | |
| depends on PXA27x || PXA25x | |
| help | |
| This add the CPUFreq driver support for Intel PXA2xx SOCs. | |
| If in doubt, say N. |