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Diffstat (limited to 'drivers/devfreq/Kconfig')
-rw-r--r--drivers/devfreq/Kconfig25
1 files changed, 18 insertions, 7 deletions
diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
index f6b0a6e2ea5..49e74c1fc63 100644
--- a/drivers/devfreq/Kconfig
+++ b/drivers/devfreq/Kconfig
@@ -30,7 +30,7 @@ if PM_DEVFREQ
comment "DEVFREQ Governors"
config DEVFREQ_GOV_SIMPLE_ONDEMAND
- bool "Simple Ondemand"
+ tristate "Simple Ondemand"
help
Chooses frequency based on the recent load on the device. Works
similar as ONDEMAND governor of CPUFREQ does. A device with
@@ -39,7 +39,7 @@ config DEVFREQ_GOV_SIMPLE_ONDEMAND
values to the governor with data field at devfreq_add_device().
config DEVFREQ_GOV_PERFORMANCE
- bool "Performance"
+ tristate "Performance"
help
Sets the frequency at the maximum available frequency.
This governor always returns UINT_MAX as frequency so that
@@ -47,7 +47,7 @@ config DEVFREQ_GOV_PERFORMANCE
at any time.
config DEVFREQ_GOV_POWERSAVE
- bool "Powersave"
+ tristate "Powersave"
help
Sets the frequency at the minimum available frequency.
This governor always returns 0 as frequency so that
@@ -55,7 +55,7 @@ config DEVFREQ_GOV_POWERSAVE
at any time.
config DEVFREQ_GOV_USERSPACE
- bool "Userspace"
+ tristate "Userspace"
help
Sets the frequency at the user specified one.
This governor returns the user configured frequency if there
@@ -67,15 +67,26 @@ comment "DEVFREQ Drivers"
config ARM_EXYNOS4_BUS_DEVFREQ
bool "ARM Exynos4210/4212/4412 Memory Bus DEVFREQ Driver"
- depends on CPU_EXYNOS4210 || CPU_EXYNOS4212 || CPU_EXYNOS4412
+ depends on (CPU_EXYNOS4210 || SOC_EXYNOS4212 || SOC_EXYNOS4412) && !ARCH_MULTIPLATFORM
select ARCH_HAS_OPP
select DEVFREQ_GOV_SIMPLE_ONDEMAND
+ select PM_OPP
help
This adds the DEVFREQ driver for Exynos4210 memory bus (vdd_int)
and Exynos4212/4412 memory interface and bus (vdd_mif + vdd_int).
It reads PPMU counters of memory controllers and adjusts
the operating frequencies and voltages with OPP support.
- To operate with optimal voltages, ASV support is required
- (CONFIG_EXYNOS_ASV).
+ This does not yet operate with optimal voltages.
+
+config ARM_EXYNOS5_BUS_DEVFREQ
+ bool "ARM Exynos5250 Bus DEVFREQ Driver"
+ depends on SOC_EXYNOS5250
+ select ARCH_HAS_OPP
+ select DEVFREQ_GOV_SIMPLE_ONDEMAND
+ select PM_OPP
+ help
+ This adds the DEVFREQ driver for Exynos5250 bus interface (vdd_int).
+ It reads PPMU counters of memory controllers and adjusts the
+ operating frequencies and voltages with OPP support.
endif # PM_DEVFREQ