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119 lines
3.9 KiB
119 lines
3.9 KiB
# SPDX-License-Identifier: GPL-2.0-only |
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# |
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# ARM CPU Idle drivers |
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# |
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config ARM_CPUIDLE |
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bool "Generic ARM/ARM64 CPU idle Driver" |
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select DT_IDLE_STATES |
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select CPU_IDLE_MULTIPLE_DRIVERS |
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help |
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Select this to enable generic cpuidle driver for ARM. |
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It provides a generic idle driver whose idle states are configured |
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at run-time through DT nodes. The CPUidle suspend backend is |
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initialized by calling the CPU operations init idle hook |
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provided by architecture code. |
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config ARM_PSCI_CPUIDLE |
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bool "PSCI CPU idle Driver" |
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depends on ARM_PSCI_FW |
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select DT_IDLE_STATES |
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select CPU_IDLE_MULTIPLE_DRIVERS |
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help |
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Select this to enable PSCI firmware based CPUidle driver for ARM. |
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It provides an idle driver that is capable of detecting and |
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managing idle states through the PSCI firmware interface. |
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config ARM_PSCI_CPUIDLE_DOMAIN |
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bool "PSCI CPU idle Domain" |
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depends on ARM_PSCI_CPUIDLE |
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depends on PM_GENERIC_DOMAINS_OF |
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default y |
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help |
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Select this to enable the PSCI based CPUidle driver to use PM domains, |
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which is needed to support the hierarchical DT based layout of the |
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idle states. |
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config ARM_BIG_LITTLE_CPUIDLE |
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bool "Support for ARM big.LITTLE processors" |
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depends on ARCH_VEXPRESS_TC2_PM || ARCH_EXYNOS || COMPILE_TEST |
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depends on MCPM && !ARM64 |
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select ARM_CPU_SUSPEND |
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select CPU_IDLE_MULTIPLE_DRIVERS |
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select DT_IDLE_STATES |
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help |
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Select this option to enable CPU idle driver for big.LITTLE based |
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ARM systems. Driver manages CPUs coordination through MCPM and |
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define different C-states for little and big cores through the |
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multiple CPU idle drivers infrastructure. |
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config ARM_CLPS711X_CPUIDLE |
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bool "CPU Idle Driver for CLPS711X processors" |
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depends on ARCH_CLPS711X && !ARM64 || COMPILE_TEST |
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help |
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Select this to enable cpuidle on Cirrus Logic CLPS711X SOCs. |
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config ARM_HIGHBANK_CPUIDLE |
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bool "CPU Idle Driver for Calxeda processors" |
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depends on ARM_PSCI && !ARM64 |
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select ARM_CPU_SUSPEND |
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help |
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Select this to enable cpuidle on Calxeda processors. |
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config ARM_KIRKWOOD_CPUIDLE |
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bool "CPU Idle Driver for Marvell Kirkwood SoCs" |
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depends on (MACH_KIRKWOOD || COMPILE_TEST) && !ARM64 |
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help |
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This adds the CPU Idle driver for Marvell Kirkwood SoCs. |
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config ARM_ZYNQ_CPUIDLE |
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bool "CPU Idle Driver for Xilinx Zynq processors" |
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depends on (ARCH_ZYNQ || COMPILE_TEST) && !ARM64 |
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help |
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Select this to enable cpuidle on Xilinx Zynq processors. |
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config ARM_U8500_CPUIDLE |
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bool "Cpu Idle Driver for the ST-E u8500 processors" |
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depends on ARCH_U8500 && !ARM64 |
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help |
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Select this to enable cpuidle for ST-E u8500 processors. |
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config ARM_AT91_CPUIDLE |
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bool "Cpu Idle Driver for the AT91 processors" |
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default y |
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depends on (ARCH_AT91 || COMPILE_TEST) && !ARM64 |
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help |
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Select this to enable cpuidle for AT91 processors. |
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config ARM_EXYNOS_CPUIDLE |
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bool "Cpu Idle Driver for the Exynos processors" |
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depends on (ARCH_EXYNOS || COMPILE_TEST) && !ARM64 |
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select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP |
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help |
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Select this to enable cpuidle for Exynos processors. |
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config ARM_MVEBU_V7_CPUIDLE |
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bool "CPU Idle Driver for mvebu v7 family processors" |
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depends on (ARCH_MVEBU || COMPILE_TEST) && !ARM64 |
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help |
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Select this to enable cpuidle on Armada 370, 38x and XP processors. |
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config ARM_TEGRA_CPUIDLE |
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bool "CPU Idle Driver for NVIDIA Tegra SoCs" |
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depends on ARCH_TEGRA && !ARM64 |
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select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP |
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select ARM_CPU_SUSPEND |
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help |
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Select this to enable cpuidle for NVIDIA Tegra20/30/114/124 SoCs. |
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config ARM_QCOM_SPM_CPUIDLE |
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bool "CPU Idle Driver for Qualcomm Subsystem Power Manager (SPM)" |
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depends on (ARCH_QCOM || COMPILE_TEST) && !ARM64 && MMU |
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select ARM_CPU_SUSPEND |
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select CPU_IDLE_MULTIPLE_DRIVERS |
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select DT_IDLE_STATES |
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select QCOM_SCM |
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help |
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Select this to enable cpuidle for Qualcomm processors. |
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The Subsystem Power Manager (SPM) controls low power modes for the |
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CPU and L2 cores. It interface with various system drivers to put |
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the cores in low power modes.
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