Kconfig.arm 3.9 KB

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