mirror of https://gitee.com/openkylin/linux.git
301 lines
8.5 KiB
Plaintext
301 lines
8.5 KiB
Plaintext
#
|
|
# 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
|
|
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_BIG_LITTLE_CPUFREQ && ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
|
|
help
|
|
This adds the CPUfreq driver support for ARM big.LITTLE 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_BRCMSTB_AVS_CPUFREQ_DEBUG
|
|
bool "Broadcom STB AVS CPUfreq driver sysfs debug capability"
|
|
depends on ARM_BRCMSTB_AVS_CPUFREQ
|
|
help
|
|
Enabling this option turns on debug support via sysfs under
|
|
/sys/kernel/debug/brcmstb-avs-cpufreq. It is possible to read all and
|
|
write some AVS mailbox registers through sysfs entries.
|
|
|
|
If in doubt, say N.
|
|
|
|
config ARM_EXYNOS5440_CPUFREQ
|
|
tristate "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_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_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_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
|
|
bool "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.
|