diff options
Diffstat (limited to 'drivers/cpuidle/Kconfig.arm')
| -rw-r--r-- | drivers/cpuidle/Kconfig.arm | 132 |
1 files changed, 132 insertions, 0 deletions
diff --git a/drivers/cpuidle/Kconfig.arm b/drivers/cpuidle/Kconfig.arm new file mode 100644 index 0000000000..a1ee475d18 --- /dev/null +++ b/drivers/cpuidle/Kconfig.arm @@ -0,0 +1,132 @@ +# SPDX-License-Identifier: GPL-2.0-only +# +# ARM CPU Idle drivers +# +config ARM_CPUIDLE + bool "Generic ARM CPU idle Driver" + depends on ARM + select DT_IDLE_STATES + select CPU_IDLE_MULTIPLE_DRIVERS + help + Select this to enable generic cpuidle driver for ARM. + It provides a generic idle driver whose idle states are configured + at run-time through DT nodes. The CPUidle suspend backend is + initialized by calling the CPU operations init idle hook + provided by architecture code. + +config ARM_PSCI_CPUIDLE + bool "PSCI CPU idle Driver" + depends on ARM_PSCI_FW + select DT_IDLE_STATES + select CPU_IDLE_MULTIPLE_DRIVERS + help + Select this to enable PSCI firmware based CPUidle driver for ARM. + It provides an idle driver that is capable of detecting and + managing idle states through the PSCI firmware interface. + + The driver has limitations when used with PREEMPT_RT: + - If the idle states are described with the non-hierarchical layout, + all idle states are still available. + + - If the idle states are described with the hierarchical layout, + only the idle states defined per CPU are available, but not the ones + being shared among a group of CPUs (aka cluster idle states). + +config ARM_PSCI_CPUIDLE_DOMAIN + bool "PSCI CPU idle Domain" + depends on ARM_PSCI_CPUIDLE + depends on PM_GENERIC_DOMAINS_OF + select DT_IDLE_GENPD + default y + help + Select this to enable the PSCI based CPUidle driver to use PM domains, + which is needed to support the hierarchical DT based layout of the + idle states. + +config ARM_BIG_LITTLE_CPUIDLE + bool "Support for ARM big.LITTLE processors" + depends on ARCH_VEXPRESS_TC2_PM || ARCH_EXYNOS || COMPILE_TEST + depends on MCPM && !ARM64 + select ARM_CPU_SUSPEND + select CPU_IDLE_MULTIPLE_DRIVERS + select DT_IDLE_STATES + help + Select this option to enable CPU idle driver for big.LITTLE based + ARM systems. Driver manages CPUs coordination through MCPM and + define different C-states for little and big cores through the + multiple CPU idle drivers infrastructure. + +config ARM_CLPS711X_CPUIDLE + bool "CPU Idle Driver for CLPS711X processors" + depends on ARCH_CLPS711X && !ARM64 || COMPILE_TEST + help + Select this to enable cpuidle on Cirrus Logic CLPS711X SOCs. + +config ARM_HIGHBANK_CPUIDLE + bool "CPU Idle Driver for Calxeda processors" + depends on ARM_PSCI && !ARM64 + select ARM_CPU_SUSPEND + help + Select this to enable cpuidle on Calxeda processors. + +config ARM_KIRKWOOD_CPUIDLE + bool "CPU Idle Driver for Marvell Kirkwood SoCs" + depends on (MACH_KIRKWOOD || COMPILE_TEST) && !ARM64 + help + This adds the CPU Idle driver for Marvell Kirkwood SoCs. + +config ARM_ZYNQ_CPUIDLE + bool "CPU Idle Driver for Xilinx Zynq processors" + depends on (ARCH_ZYNQ || COMPILE_TEST) && !ARM64 + help + Select this to enable cpuidle on Xilinx Zynq processors. + +config ARM_U8500_CPUIDLE + bool "Cpu Idle Driver for the ST-E u8500 processors" + depends on ARCH_U8500 && !ARM64 + help + Select this to enable cpuidle for ST-E u8500 processors. + +config ARM_AT91_CPUIDLE + bool "Cpu Idle Driver for the AT91 processors" + default y + depends on (ARCH_AT91 || COMPILE_TEST) && !ARM64 + help + Select this to enable cpuidle for AT91 processors. + +config ARM_EXYNOS_CPUIDLE + bool "Cpu Idle Driver for the Exynos processors" + depends on (ARCH_EXYNOS || COMPILE_TEST) && !ARM64 + select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP + help + Select this to enable cpuidle for Exynos processors. + +config ARM_MVEBU_V7_CPUIDLE + bool "CPU Idle Driver for mvebu v7 family processors" + depends on (ARCH_MVEBU || COMPILE_TEST) && !ARM64 + help + Select this to enable cpuidle on Armada 370, 38x and XP processors. + +config ARM_TEGRA_CPUIDLE + bool "CPU Idle Driver for NVIDIA Tegra SoCs" + depends on (ARCH_TEGRA || COMPILE_TEST) && !ARM64 && MMU + depends on ARCH_SUSPEND_POSSIBLE + select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP + select ARM_CPU_SUSPEND + help + Select this to enable cpuidle for NVIDIA Tegra20/30/114/124 SoCs. + +config ARM_QCOM_SPM_CPUIDLE + bool "CPU Idle Driver for Qualcomm Subsystem Power Manager (SPM)" + depends on (ARCH_QCOM || COMPILE_TEST) && !ARM64 && MMU + depends on ARCH_SUSPEND_POSSIBLE + select ARM_CPU_SUSPEND + select CPU_IDLE_MULTIPLE_DRIVERS + select DT_IDLE_STATES + select QCOM_SCM + select QCOM_SPM + help + Select this to enable cpuidle for Qualcomm processors. + The Subsystem Power Manager (SPM) controls low power modes for the + CPU and L2 cores. It interface with various system drivers to put + the cores in low power modes. |