4 files changed, 162 insertions, 0 deletions
diff --git a/drivers/cpuidle/Kconfig b/drivers/cpuidle/Kconfig
new file mode 100644
index 000000000..7e48eb5bf
--- /dev/null
+++ b/drivers/cpuidle/Kconfig
@@ -0,0 +1,48 @@
+menu "CPU Idle"
+
+config CPU_IDLE
+	bool "CPU idle PM support"
+	default y if ACPI || PPC_PSERIES
+	select CPU_IDLE_GOV_LADDER if (!NO_HZ && !NO_HZ_IDLE)
+	select CPU_IDLE_GOV_MENU if (NO_HZ || NO_HZ_IDLE)
+	help
+	  CPU idle is a generic framework for supporting software-controlled
+	  idle processor power management.  It includes modular cross-platform
+	  governors that can be swapped during runtime.
+
+	  If you're using an ACPI-enabled platform, you should say Y here.
+
+if CPU_IDLE
+
+config CPU_IDLE_MULTIPLE_DRIVERS
+        bool
+
+config CPU_IDLE_GOV_LADDER
+	bool "Ladder governor (for periodic timer tick)"
+
+config CPU_IDLE_GOV_MENU
+	bool "Menu governor (for tickless system)"
+
+config DT_IDLE_STATES
+	bool
+
+menu "ARM CPU Idle Drivers"
+depends on ARM || ARM64
+source "drivers/cpuidle/Kconfig.arm"
+endmenu
+
+menu "MIPS CPU Idle Drivers"
+depends on MIPS
+source "drivers/cpuidle/Kconfig.mips"
+endmenu
+
+menu "POWERPC CPU Idle Drivers"
+depends on PPC
+source "drivers/cpuidle/Kconfig.powerpc"
+endmenu
+
+endif
+
+config ARCH_NEEDS_CPU_IDLE_COUPLED
+	def_bool n
+endmenu
diff --git a/drivers/cpuidle/Kconfig.arm b/drivers/cpuidle/Kconfig.arm
new file mode 100644
index 000000000..f52144808
--- /dev/null
+++ b/drivers/cpuidle/Kconfig.arm
@@ -0,0 +1,77 @@
+#
+# ARM CPU Idle drivers
+#
+config ARM_CPUIDLE
+        bool "Generic ARM/ARM64 CPU idle Driver"
+        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_BIG_LITTLE_CPUIDLE
+	bool "Support for ARM big.LITTLE processors"
+	depends on ARCH_VEXPRESS_TC2_PM || ARCH_EXYNOS
+	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 && !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 && !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 && !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 && !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 && !ARM64
+	help
+	  Select this to enable cpuidle on Armada 370, 38x and XP processors.
diff --git a/drivers/cpuidle/Kconfig.mips b/drivers/cpuidle/Kconfig.mips
new file mode 100644
index 000000000..512ee37b3
--- /dev/null
+++ b/drivers/cpuidle/Kconfig.mips
@@ -0,0 +1,17 @@
+#
+# MIPS CPU Idle Drivers
+#
+config MIPS_CPS_CPUIDLE
+	bool "CPU Idle driver for MIPS CPS platforms"
+	depends on CPU_IDLE && MIPS_CPS
+	depends on SYS_SUPPORTS_MIPS_CPS
+	select ARCH_NEEDS_CPU_IDLE_COUPLED if MIPS_MT || CPU_MIPSR6
+	select GENERIC_CLOCKEVENTS_BROADCAST if SMP
+	select MIPS_CPS_PM
+	default y
+	help
+	  Select this option to enable processor idle state management
+	  through cpuidle for systems built around the MIPS Coherent
+	  Processing System (CPS) architecture. In order to make use of
+	  the deepest idle states you will need to ensure that you are
+	  also using the CONFIG_MIPS_CPS SMP implementation.
diff --git a/drivers/cpuidle/Kconfig.powerpc b/drivers/cpuidle/Kconfig.powerpc
new file mode 100644
index 000000000..66c3a0957
--- /dev/null
+++ b/drivers/cpuidle/Kconfig.powerpc
@@ -0,0 +1,20 @@
+#
+# POWERPC CPU Idle Drivers
+#
+config PSERIES_CPUIDLE
+	bool "Cpuidle driver for pSeries platforms"
+	depends on CPU_IDLE
+	depends on PPC_PSERIES
+	default y
+	help
+	  Select this option to enable processor idle state management
+	  through cpuidle subsystem.
+
+config POWERNV_CPUIDLE
+	bool "Cpuidle driver for powernv platforms"
+	depends on CPU_IDLE
+	depends on PPC_POWERNV
+	default y
+	help
+	  Select this option to enable processor idle state management
+	  through cpuidle subsystem.