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| -rw-r--r-- | drivers/cpufreq/Kconfig.arm | 342 |
1 files changed, 342 insertions, 0 deletions
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm new file mode 100644 index 000000000..1f73fa75b --- /dev/null +++ b/drivers/cpufreq/Kconfig.arm @@ -0,0 +1,342 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# 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_ALLWINNER_SUN50I_CPUFREQ_NVMEM + tristate "Allwinner nvmem based SUN50I CPUFreq driver" + depends on ARCH_SUNXI + depends on NVMEM_SUNXI_SID + select PM_OPP + help + This adds the nvmem based CPUFreq driver for Allwinner + h6 SoC. + + To compile this driver as a module, choose M here: the + module will be called sun50i-cpufreq-nvmem. + +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. + +config ARM_ARMADA_8K_CPUFREQ + tristate "Armada 8K CPUFreq driver" + depends on ARCH_MVEBU && CPUFREQ_DT + select ARMADA_AP_CPU_CLK + help + This enables the CPUFreq driver support for Marvell + Armada8k SOCs. + Armada8K device has the AP806 which supports scaling + to any full integer divider. + + If in doubt, say N. + +config ARM_SCPI_CPUFREQ + tristate "SCPI based CPUfreq driver" + depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI + 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_CPU_TOPOLOGY && HAVE_CLK + depends on ARCH_VEXPRESS_SPC + select PM_OPP + 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 + depends on NVMEM_IMX_OCOTP || COMPILE_TEST + select PM_OPP + help + This adds cpufreq driver support for Freescale i.MX6 series SoCs. + + If in doubt, say N. + +config ARM_IMX_CPUFREQ_DT + tristate "Freescale i.MX8M cpufreq support" + depends on ARCH_MXC && CPUFREQ_DT + help + This adds cpufreq driver support for Freescale i.MX8M series SoCs, + based on cpufreq-dt. + + 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 + 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_NVMEM + tristate "Qualcomm nvmem based CPUFreq" + depends on ARCH_QCOM + 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_QCOM_CPUFREQ_HW + tristate "QCOM CPUFreq HW driver" + depends on ARCH_QCOM || COMPILE_TEST + help + Support for the CPUFreq HW driver. + Some QCOM chipsets have a HW engine to offload the steps + necessary for changing the frequency of the CPUs. Firmware loaded + in this engine exposes a programming interface to the OS. + The driver implements the cpufreq interface for this HW engine. + Say Y if you want to support CPUFreq HW. + +config ARM_RASPBERRYPI_CPUFREQ + tristate "Raspberry Pi cpufreq support" + depends on CLK_RASPBERRYPI || COMPILE_TEST + help + This adds the CPUFreq driver for Raspberry Pi + + 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 + 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) + 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 + 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 CPUFREQ_DT && 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 "Tegra20/30 CPUFreq support" + depends on ARCH_TEGRA && CPUFREQ_DT + default y + help + This adds the CPUFreq driver support for Tegra20/30 SOCs. + +config ARM_TEGRA124_CPUFREQ + bool "Tegra124 CPUFreq support" + depends on ARCH_TEGRA && CPUFREQ_DT + 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_TEGRA194_CPUFREQ + tristate "Tegra194 CPUFreq support" + depends on ARCH_TEGRA_194_SOC && TEGRA_BPMP + default y + help + This adds CPU frequency driver support for Tegra194 SOCs. + +config ARM_TI_CPUFREQ + bool "Texas Instruments CPUFreq support" + depends on ARCH_OMAP2PLUS + default 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. |