mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 17:30:02 +00:00
![Anup Patel](/assets/img/avatar_default.png)
The generic power domain related code in PSCI domain driver is largely independent of PSCI and can be shared with RISC-V SBI domain driver hence we factor-out this code into dt_idle_genpd.c and dt_idle_genpd.h. Signed-off-by: Anup Patel <anup.patel@wdc.com> Signed-off-by: Anup Patel <apatel@ventanamicro.com> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
121 lines
3.9 KiB
Text
121 lines
3.9 KiB
Text
# SPDX-License-Identifier: GPL-2.0-only
|
|
#
|
|
# 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_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.
|
|
|
|
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
|
|
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
|
|
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.
|