1# 2# ARM CPU Idle drivers 3# 4config ARM_CPUIDLE 5 bool "Generic ARM/ARM64 CPU idle Driver" 6 select DT_IDLE_STATES 7 select CPU_IDLE_MULTIPLE_DRIVERS 8 help 9 Select this to enable generic cpuidle driver for ARM. 10 It provides a generic idle driver whose idle states are configured 11 at run-time through DT nodes. The CPUidle suspend backend is 12 initialized by calling the CPU operations init idle hook 13 provided by architecture code. 14 15config ARM_BIG_LITTLE_CPUIDLE 16 bool "Support for ARM big.LITTLE processors" 17 depends on ARCH_VEXPRESS_TC2_PM || ARCH_EXYNOS 18 depends on MCPM && !ARM64 19 select ARM_CPU_SUSPEND 20 select CPU_IDLE_MULTIPLE_DRIVERS 21 select DT_IDLE_STATES 22 help 23 Select this option to enable CPU idle driver for big.LITTLE based 24 ARM systems. Driver manages CPUs coordination through MCPM and 25 define different C-states for little and big cores through the 26 multiple CPU idle drivers infrastructure. 27 28config ARM_CLPS711X_CPUIDLE 29 bool "CPU Idle Driver for CLPS711X processors" 30 depends on ARCH_CLPS711X && !ARM64 || COMPILE_TEST 31 help 32 Select this to enable cpuidle on Cirrus Logic CLPS711X SOCs. 33 34config ARM_HIGHBANK_CPUIDLE 35 bool "CPU Idle Driver for Calxeda processors" 36 depends on ARM_PSCI && !ARM64 37 select ARM_CPU_SUSPEND 38 help 39 Select this to enable cpuidle on Calxeda processors. 40 41config ARM_KIRKWOOD_CPUIDLE 42 bool "CPU Idle Driver for Marvell Kirkwood SoCs" 43 depends on MACH_KIRKWOOD && !ARM64 44 help 45 This adds the CPU Idle driver for Marvell Kirkwood SoCs. 46 47config ARM_ZYNQ_CPUIDLE 48 bool "CPU Idle Driver for Xilinx Zynq processors" 49 depends on ARCH_ZYNQ && !ARM64 50 help 51 Select this to enable cpuidle on Xilinx Zynq processors. 52 53config ARM_U8500_CPUIDLE 54 bool "Cpu Idle Driver for the ST-E u8500 processors" 55 depends on ARCH_U8500 && !ARM64 56 help 57 Select this to enable cpuidle for ST-E u8500 processors 58 59config ARM_AT91_CPUIDLE 60 bool "Cpu Idle Driver for the AT91 processors" 61 default y 62 depends on ARCH_AT91 && !ARM64 63 help 64 Select this to enable cpuidle for AT91 processors 65 66config ARM_EXYNOS_CPUIDLE 67 bool "Cpu Idle Driver for the Exynos processors" 68 depends on ARCH_EXYNOS && !ARM64 69 select ARCH_NEEDS_CPU_IDLE_COUPLED if SMP 70 help 71 Select this to enable cpuidle for Exynos processors 72 73config ARM_MVEBU_V7_CPUIDLE 74 bool "CPU Idle Driver for mvebu v7 family processors" 75 depends on ARCH_MVEBU && !ARM64 76 help 77 Select this to enable cpuidle on Armada 370, 38x and XP processors. 78