drivers/cpuidle/Kconfig.arm

   1 # SPDX-License-Identifier: GPL-2.0-only
   2 #
   3 # ARM CPU Idle drivers
   4 #
   5 config ARM_CPUIDLE
   6         bool "Generic ARM/ARM64 CPU idle Driver"
   7         select DT_IDLE_STATES
   8         select CPU_IDLE_MULTIPLE_DRIVERS
   9         help
  10           Select this to enable generic cpuidle driver for ARM.
  11           It provides a generic idle driver whose idle states are configured
  12           at run-time through DT nodes. The CPUidle suspend backend is
  13           initialized by calling the CPU operations init idle hook
  14           provided by architecture code.
  15
  16 config ARM_PSCI_CPUIDLE
  17         bool "PSCI CPU idle Driver"
  18         depends on ARM_PSCI_FW
  19         select DT_IDLE_STATES
  20         select CPU_IDLE_MULTIPLE_DRIVERS
  21         help
  22           Select this to enable PSCI firmware based CPUidle driver for ARM.
  23           It provides an idle driver that is capable of detecting and
  24           managing idle states through the PSCI firmware interface.
  25
  26 config ARM_PSCI_CPUIDLE_DOMAIN
  27         bool "PSCI CPU idle Domain"
  28         depends on ARM_PSCI_CPUIDLE
  29         depends on PM_GENERIC_DOMAINS_OF
  30         default y
  31         help
  32           Select this to enable the PSCI based CPUidle driver to use PM domains,
  33           which is needed to support the hierarchical DT based layout of the
  34           idle states.
  35
  36 config ARM_BIG_LITTLE_CPUIDLE
  37         bool "Support for ARM big.LITTLE processors"
  38         depends on ARCH_VEXPRESS_TC2_PM || ARCH_EXYNOS || COMPILE_TEST
  39         depends on MCPM && !ARM64
  40         select ARM_CPU_SUSPEND
  41         select CPU_IDLE_MULTIPLE_DRIVERS
  42         select DT_IDLE_STATES
  43         help
  44           Select this option to enable CPU idle driver for big.LITTLE based
  45           ARM systems. Driver manages CPUs coordination through MCPM and
  46           define different C-states for little and big cores through the
  47           multiple CPU idle drivers infrastructure.
  48
  49 config ARM_CLPS711X_CPUIDLE
  50         bool "CPU Idle Driver for CLPS711X processors"
  51         depends on ARCH_CLPS711X && !ARM64 || COMPILE_TEST
  52         help
  53           Select this to enable cpuidle on Cirrus Logic CLPS711X SOCs.
  54
  55 config ARM_HIGHBANK_CPUIDLE
  56         bool "CPU Idle Driver for Calxeda processors"
  57         depends on ARM_PSCI && !ARM64
  58         select ARM_CPU_SUSPEND
  59         help
  60           Select this to enable cpuidle on Calxeda processors.
  61
  62 config ARM_KIRKWOOD_CPUIDLE
  63         bool "CPU Idle Driver for Marvell Kirkwood SoCs"
  64         depends on (MACH_KIRKWOOD || COMPILE_TEST) && !ARM64
  65         help
  66           This adds the CPU Idle driver for Marvell Kirkwood SoCs.
  67
  68 config ARM_ZYNQ_CPUIDLE
  69         bool "CPU Idle Driver for Xilinx Zynq processors"
  70         depends on (ARCH_ZYNQ || COMPILE_TEST) && !ARM64
  71         help
  72           Select this to enable cpuidle on Xilinx Zynq processors.
  73
  74 config ARM_U8500_CPUIDLE
  75         bool "Cpu Idle Driver for the ST-E u8500 processors"
  76         depends on ARCH_U8500 && !ARM64
  77         help
  78           Select this to enable cpuidle for ST-E u8500 processors.
  79
  80 config ARM_AT91_CPUIDLE
  81         bool "Cpu Idle Driver for the AT91 processors"
  82         default y
  83         depends on (ARCH_AT91 || COMPILE_TEST) && !ARM64
  84         help
  85           Select this to enable cpuidle for AT91 processors.
  86
  87 config ARM_EXYNOS_CPUIDLE
  88         bool "Cpu Idle Driver for the Exynos processors"
  89         depends on (ARCH_EXYNOS || COMPILE_TEST) && !ARM64
  90         select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP
  91         help
  92           Select this to enable cpuidle for Exynos processors.
  93
  94 config ARM_MVEBU_V7_CPUIDLE
  95         bool "CPU Idle Driver for mvebu v7 family processors"
  96         depends on (ARCH_MVEBU || COMPILE_TEST) && !ARM64
  97         help
  98           Select this to enable cpuidle on Armada 370, 38x and XP processors.
  99
 100 config ARM_TEGRA_CPUIDLE
 101         bool "CPU Idle Driver for NVIDIA Tegra SoCs"
 102         depends on ARCH_TEGRA && !ARM64
 103         select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP
 104         select ARM_CPU_SUSPEND
 105         help
 106           Select this to enable cpuidle for NVIDIA Tegra20/30/114/124 SoCs.
 107
 108 config ARM_QCOM_SPM_CPUIDLE
 109         bool "CPU Idle Driver for Qualcomm Subsystem Power Manager (SPM)"
 110         depends on (ARCH_QCOM || COMPILE_TEST) && !ARM64
 111         select ARM_CPU_SUSPEND
 112         select CPU_IDLE_MULTIPLE_DRIVERS
 113         select DT_IDLE_STATES
 114         select QCOM_SCM
 115         help
 116           Select this to enable cpuidle for Qualcomm processors.
 117           The Subsystem Power Manager (SPM) controls low power modes for the
 118           CPU and L2 cores. It interface with various system drivers to put
 119           the cores in low power modes.