mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-03 17:14:14 +08:00
ef8006846a
- Update the PM-runtime framework to use ktime instead of
jiffies for accounting (Thara Gopinath, Vincent Guittot).
- Optimize the autosuspend code in the PM-runtime framework
somewhat (Ladislav Michl).
- Add a PM core flag to mark devices that don't need any form of
power management (Sudeep Holla).
- Introduce driver API documentation for cpuidle and add a new
cpuidle governor for tickless systems (Rafael Wysocki).
- Add Jacobsville support to the intel_idle driver (Zhang Rui).
- Clean up a cpuidle core header file and the cpuidle-dt and ACPI
processor-idle drivers (Yangtao Li, Joseph Lo, Yazen Ghannam).
- Add new cpufreq driver for Armada 8K (Gregory Clement).
- Fix and clean up cpufreq core (Rafael Wysocki, Viresh Kumar,
Amit Kucheria).
- Add support for light-weight tear-down and bring-up of CPUs to the
cpufreq core and use it in the cpufreq-dt driver (Viresh Kumar).
- Fix cpu_cooling Kconfig dependencies, add support for CPU cooling
auto-registration to the cpufreq core and use it in multiple
cpufreq drivers (Amit Kucheria).
- Fix some minor issues and do some cleanups in the davinci,
e_powersaver, ap806, s5pv210, qcom and kryo cpufreq drivers
(Bartosz Golaszewski, Gustavo Silva, Julia Lawall, Paweł Chmiel,
Taniya Das, Viresh Kumar).
- Add a Hisilicon CPPC quirk to the cppc_cpufreq driver (Xiongfeng
Wang).
- Clean up the intel_pstate and acpi-cpufreq drivers (Erwan Velu,
Rafael Wysocki).
- Clean up multiple cpufreq drivers (Yangtao Li).
- Update cpufreq-related MAINTAINERS entries (Baruch Siach, Lukas
Bulwahn).
- Add support for exposing the Energy Model via debugfs and make
multiple cpufreq drivers register an Energy Model to support
energy-aware scheduling (Quentin Perret, Dietmar Eggemann,
Matthias Kaehlcke).
- Add Ice Lake mobile and Jacobsville support to the Intel RAPL
power-capping driver (Gayatri Kammela, Zhang Rui).
- Add a power estimation helper to the operating performance points
(OPP) framework and clean up a core function in it (Quentin Perret,
Viresh Kumar).
- Make minor improvements in the generic power domains (genpd), OPP
and system suspend frameworks and in the PM core (Aditya Pakki,
Douglas Anderson, Greg Kroah-Hartman, Rafael Wysocki, Yangtao Li).
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Merge tag 'pm-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull power management updates from Rafael Wysocki:
"These are PM-runtime framework changes to use ktime instead of jiffies
for accounting, new PM core flag to mark devices that don't need any
form of power management, cpuidle updates including driver API
documentation and a new governor, cpufreq updates including a new
driver for Armada 8K, thermal cleanups and more, some energy-aware
scheduling (EAS) enabling changes, new chips support in the intel_idle
and RAPL drivers and assorted cleanups in some other places.
Specifics:
- Update the PM-runtime framework to use ktime instead of jiffies for
accounting (Thara Gopinath, Vincent Guittot)
- Optimize the autosuspend code in the PM-runtime framework somewhat
(Ladislav Michl)
- Add a PM core flag to mark devices that don't need any form of
power management (Sudeep Holla)
- Introduce driver API documentation for cpuidle and add a new
cpuidle governor for tickless systems (Rafael Wysocki)
- Add Jacobsville support to the intel_idle driver (Zhang Rui)
- Clean up a cpuidle core header file and the cpuidle-dt and ACPI
processor-idle drivers (Yangtao Li, Joseph Lo, Yazen Ghannam)
- Add new cpufreq driver for Armada 8K (Gregory Clement)
- Fix and clean up cpufreq core (Rafael Wysocki, Viresh Kumar, Amit
Kucheria)
- Add support for light-weight tear-down and bring-up of CPUs to the
cpufreq core and use it in the cpufreq-dt driver (Viresh Kumar)
- Fix cpu_cooling Kconfig dependencies, add support for CPU cooling
auto-registration to the cpufreq core and use it in multiple
cpufreq drivers (Amit Kucheria)
- Fix some minor issues and do some cleanups in the davinci,
e_powersaver, ap806, s5pv210, qcom and kryo cpufreq drivers
(Bartosz Golaszewski, Gustavo Silva, Julia Lawall, Paweł Chmiel,
Taniya Das, Viresh Kumar)
- Add a Hisilicon CPPC quirk to the cppc_cpufreq driver (Xiongfeng
Wang)
- Clean up the intel_pstate and acpi-cpufreq drivers (Erwan Velu,
Rafael Wysocki)
- Clean up multiple cpufreq drivers (Yangtao Li)
- Update cpufreq-related MAINTAINERS entries (Baruch Siach, Lukas
Bulwahn)
- Add support for exposing the Energy Model via debugfs and make
multiple cpufreq drivers register an Energy Model to support
energy-aware scheduling (Quentin Perret, Dietmar Eggemann, Matthias
Kaehlcke)
- Add Ice Lake mobile and Jacobsville support to the Intel RAPL
power-capping driver (Gayatri Kammela, Zhang Rui)
- Add a power estimation helper to the operating performance points
(OPP) framework and clean up a core function in it (Quentin Perret,
Viresh Kumar)
- Make minor improvements in the generic power domains (genpd), OPP
and system suspend frameworks and in the PM core (Aditya Pakki,
Douglas Anderson, Greg Kroah-Hartman, Rafael Wysocki, Yangtao Li)"
* tag 'pm-5.1-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (80 commits)
cpufreq: kryo: Release OPP tables on module removal
cpufreq: ap806: add missing of_node_put after of_device_is_available
cpufreq: acpi-cpufreq: Report if CPU doesn't support boost technologies
cpufreq: Pass updated policy to driver ->setpolicy() callback
cpufreq: Fix two debug messages in cpufreq_set_policy()
cpufreq: Reorder and simplify cpufreq_update_policy()
cpufreq: Add kerneldoc comments for two core functions
PM / core: Add support to skip power management in device/driver model
cpufreq: intel_pstate: Rework iowait boosting to be less aggressive
cpufreq: intel_pstate: Eliminate intel_pstate_get_base_pstate()
cpufreq: intel_pstate: Avoid redundant initialization of local vars
powercap/intel_rapl: add Ice Lake mobile
ACPI / processor: Set P_LVL{2,3} idle state descriptions
cpufreq / cppc: Work around for Hisilicon CPPC cpufreq
ACPI / CPPC: Add a helper to get desired performance
cpufreq: davinci: move configuration to include/linux/platform_data
cpufreq: speedstep: convert BUG() to BUG_ON()
cpufreq: powernv: fix missing check of return value in init_powernv_pstates()
cpufreq: longhaul: remove unneeded semicolon
cpufreq: pcc-cpufreq: remove unneeded semicolon
..
311 lines
8.6 KiB
Plaintext
311 lines
8.6 KiB
Plaintext
#
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# ARM CPU Frequency scaling drivers
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#
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config ACPI_CPPC_CPUFREQ
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tristate "CPUFreq driver based on the ACPI CPPC spec"
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depends on ACPI_PROCESSOR
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select ACPI_CPPC_LIB
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help
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This adds a CPUFreq driver which uses CPPC methods
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as described in the ACPIv5.1 spec. CPPC stands for
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Collaborative Processor Performance Controls. It
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is based on an abstract continuous scale of CPU
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performance values which allows the remote power
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processor to flexibly optimize for power and
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performance. CPPC relies on power management firmware
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support for its operation.
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If in doubt, say N.
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config ARM_ARMADA_37XX_CPUFREQ
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tristate "Armada 37xx CPUFreq support"
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depends on ARCH_MVEBU && CPUFREQ_DT
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help
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This adds the CPUFreq driver support for Marvell Armada 37xx SoCs.
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The Armada 37xx PMU supports 4 frequency and VDD levels.
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config ARM_ARMADA_8K_CPUFREQ
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tristate "Armada 8K CPUFreq driver"
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depends on ARCH_MVEBU && CPUFREQ_DT
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help
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This enables the CPUFreq driver support for Marvell
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Armada8k SOCs.
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Armada8K device has the AP806 which supports scaling
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to any full integer divider.
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If in doubt, say N.
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# big LITTLE core layer and glue drivers
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config ARM_BIG_LITTLE_CPUFREQ
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tristate "Generic ARM big LITTLE CPUfreq driver"
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depends on ARM_CPU_TOPOLOGY && HAVE_CLK
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select PM_OPP
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help
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This enables the Generic CPUfreq driver for ARM big.LITTLE platforms.
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config ARM_SCPI_CPUFREQ
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tristate "SCPI based CPUfreq driver"
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depends on ARM_SCPI_PROTOCOL && COMMON_CLK_SCPI
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help
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This adds the CPUfreq driver support for ARM platforms using SCPI
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protocol for CPU power management.
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This driver uses SCPI Message Protocol driver to interact with the
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firmware providing the CPU DVFS functionality.
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config ARM_VEXPRESS_SPC_CPUFREQ
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tristate "Versatile Express SPC based CPUfreq driver"
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depends on ARM_BIG_LITTLE_CPUFREQ && ARCH_VEXPRESS_SPC
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help
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This add the CPUfreq driver support for Versatile Express
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big.LITTLE platforms using SPC for power management.
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config ARM_BRCMSTB_AVS_CPUFREQ
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tristate "Broadcom STB AVS CPUfreq driver"
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depends on ARCH_BRCMSTB || COMPILE_TEST
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default y
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help
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Some Broadcom STB SoCs use a co-processor running proprietary firmware
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("AVS") to handle voltage and frequency scaling. This driver provides
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a standard CPUfreq interface to to the firmware.
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Say Y, if you have a Broadcom SoC with AVS support for DFS or DVFS.
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config ARM_HIGHBANK_CPUFREQ
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tristate "Calxeda Highbank-based"
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depends on ARCH_HIGHBANK && CPUFREQ_DT && REGULATOR
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default m
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help
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This adds the CPUFreq driver for Calxeda Highbank SoC
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based boards.
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If in doubt, say N.
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config ARM_IMX6Q_CPUFREQ
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tristate "Freescale i.MX6 cpufreq support"
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depends on ARCH_MXC
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depends on REGULATOR_ANATOP
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select PM_OPP
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help
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This adds cpufreq driver support for Freescale i.MX6 series SoCs.
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If in doubt, say N.
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config ARM_KIRKWOOD_CPUFREQ
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def_bool MACH_KIRKWOOD
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help
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This adds the CPUFreq driver for Marvell Kirkwood
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SoCs.
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config ARM_MEDIATEK_CPUFREQ
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tristate "CPU Frequency scaling support for MediaTek SoCs"
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depends on ARCH_MEDIATEK && REGULATOR
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select PM_OPP
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help
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This adds the CPUFreq driver support for MediaTek SoCs.
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config ARM_OMAP2PLUS_CPUFREQ
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bool "TI OMAP2+"
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depends on ARCH_OMAP2PLUS
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default ARCH_OMAP2PLUS
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config ARM_QCOM_CPUFREQ_KRYO
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tristate "Qualcomm Kryo based CPUFreq"
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depends on ARM64
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depends on QCOM_QFPROM
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depends on QCOM_SMEM
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select PM_OPP
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help
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This adds the CPUFreq driver for Qualcomm Kryo SoC based boards.
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If in doubt, say N.
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config ARM_QCOM_CPUFREQ_HW
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tristate "QCOM CPUFreq HW driver"
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depends on ARCH_QCOM || COMPILE_TEST
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help
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Support for the CPUFreq HW driver.
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Some QCOM chipsets have a HW engine to offload the steps
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necessary for changing the frequency of the CPUs. Firmware loaded
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in this engine exposes a programming interface to the OS.
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The driver implements the cpufreq interface for this HW engine.
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Say Y if you want to support CPUFreq HW.
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config ARM_S3C_CPUFREQ
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bool
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help
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Internal configuration node for common cpufreq on Samsung SoC
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config ARM_S3C24XX_CPUFREQ
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bool "CPUfreq driver for Samsung S3C24XX series CPUs (EXPERIMENTAL)"
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depends on ARCH_S3C24XX
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select ARM_S3C_CPUFREQ
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help
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This enables the CPUfreq driver for the Samsung S3C24XX family
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of CPUs.
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For details, take a look at <file:Documentation/cpu-freq>.
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If in doubt, say N.
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config ARM_S3C24XX_CPUFREQ_DEBUG
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bool "Debug CPUfreq Samsung driver core"
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depends on ARM_S3C24XX_CPUFREQ
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help
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Enable s3c_freq_dbg for the Samsung S3C CPUfreq core
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config ARM_S3C24XX_CPUFREQ_IODEBUG
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bool "Debug CPUfreq Samsung driver IO timing"
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depends on ARM_S3C24XX_CPUFREQ
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help
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Enable s3c_freq_iodbg for the Samsung S3C CPUfreq core
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config ARM_S3C24XX_CPUFREQ_DEBUGFS
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bool "Export debugfs for CPUFreq"
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depends on ARM_S3C24XX_CPUFREQ && DEBUG_FS
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help
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Export status information via debugfs.
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config ARM_S3C2410_CPUFREQ
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bool
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depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2410
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select S3C2410_CPUFREQ_UTILS
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help
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CPU Frequency scaling support for S3C2410
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config ARM_S3C2412_CPUFREQ
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bool
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depends on ARM_S3C24XX_CPUFREQ && CPU_S3C2412
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default y
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select S3C2412_IOTIMING
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help
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CPU Frequency scaling support for S3C2412 and S3C2413 SoC CPUs.
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config ARM_S3C2416_CPUFREQ
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bool "S3C2416 CPU Frequency scaling support"
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depends on CPU_S3C2416
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help
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This adds the CPUFreq driver for the Samsung S3C2416 and
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S3C2450 SoC. The S3C2416 supports changing the rate of the
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armdiv clock source and also entering a so called dynamic
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voltage scaling mode in which it is possible to reduce the
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core voltage of the CPU.
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If in doubt, say N.
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config ARM_S3C2416_CPUFREQ_VCORESCALE
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bool "Allow voltage scaling for S3C2416 arm core"
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depends on ARM_S3C2416_CPUFREQ && REGULATOR
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help
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Enable CPU voltage scaling when entering the dvs mode.
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It uses information gathered through existing hardware and
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tests but not documented in any datasheet.
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If in doubt, say N.
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config ARM_S3C2440_CPUFREQ
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bool "S3C2440/S3C2442 CPU Frequency scaling support"
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depends on ARM_S3C24XX_CPUFREQ && (CPU_S3C2440 || CPU_S3C2442)
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select S3C2410_CPUFREQ_UTILS
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default y
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help
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CPU Frequency scaling support for S3C2440 and S3C2442 SoC CPUs.
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config ARM_S3C64XX_CPUFREQ
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bool "Samsung S3C64XX"
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depends on CPU_S3C6410
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default y
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help
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This adds the CPUFreq driver for Samsung S3C6410 SoC.
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If in doubt, say N.
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config ARM_S5PV210_CPUFREQ
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bool "Samsung S5PV210 and S5PC110"
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depends on CPU_S5PV210
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default y
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help
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This adds the CPUFreq driver for Samsung S5PV210 and
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S5PC110 SoCs.
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If in doubt, say N.
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config ARM_SA1100_CPUFREQ
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bool
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config ARM_SA1110_CPUFREQ
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bool
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config ARM_SCMI_CPUFREQ
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tristate "SCMI based CPUfreq driver"
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depends on ARM_SCMI_PROTOCOL || COMPILE_TEST
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select PM_OPP
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help
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This adds the CPUfreq driver support for ARM platforms using SCMI
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protocol for CPU power management.
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This driver uses SCMI Message Protocol driver to interact with the
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firmware providing the CPU DVFS functionality.
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config ARM_SPEAR_CPUFREQ
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bool "SPEAr CPUFreq support"
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depends on PLAT_SPEAR
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default y
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help
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This adds the CPUFreq driver support for SPEAr SOCs.
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config ARM_STI_CPUFREQ
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tristate "STi CPUFreq support"
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depends on SOC_STIH407
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help
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This driver uses the generic OPP framework to match the running
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platform with a predefined set of suitable values. If not provided
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we will fall-back so safe-values contained in Device Tree. Enable
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this config option if you wish to add CPUFreq support for STi based
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SoCs.
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config ARM_TANGO_CPUFREQ
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bool
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depends on CPUFREQ_DT && ARCH_TANGO
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default y
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config ARM_TEGRA20_CPUFREQ
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tristate "Tegra20 CPUFreq support"
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depends on ARCH_TEGRA
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default y
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help
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This adds the CPUFreq driver support for Tegra20 SOCs.
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config ARM_TEGRA124_CPUFREQ
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bool "Tegra124 CPUFreq support"
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depends on ARCH_TEGRA && CPUFREQ_DT
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default y
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help
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This adds the CPUFreq driver support for Tegra124 SOCs.
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config ARM_TEGRA186_CPUFREQ
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tristate "Tegra186 CPUFreq support"
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depends on ARCH_TEGRA && TEGRA_BPMP
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help
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This adds the CPUFreq driver support for Tegra186 SOCs.
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config ARM_TI_CPUFREQ
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bool "Texas Instruments CPUFreq support"
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depends on ARCH_OMAP2PLUS
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help
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This driver enables valid OPPs on the running platform based on
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values contained within the SoC in use. Enable this in order to
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use the cpufreq-dt driver on all Texas Instruments platforms that
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provide dt based operating-points-v2 tables with opp-supported-hw
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data provided. Required for cpufreq support on AM335x, AM437x,
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DRA7x, and AM57x platforms.
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config ARM_PXA2xx_CPUFREQ
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tristate "Intel PXA2xx CPUfreq driver"
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depends on PXA27x || PXA25x
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help
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This add the CPUFreq driver support for Intel PXA2xx SOCs.
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If in doubt, say N.
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