diff options
Diffstat (limited to 'drivers/devfreq/Kconfig')
| -rw-r--r-- | drivers/devfreq/Kconfig | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig index 464fa2147df..49e74c1fc63 100644 --- a/drivers/devfreq/Kconfig +++ b/drivers/devfreq/Kconfig @@ -16,7 +16,7 @@ menuconfig PM_DEVFREQ is attached to a single device and returns a "representative" clock frequency of the device, which is also attached to a device by 1-to-1. The device registering devfreq takes the - responsiblity to "interpret" the representative frequency and + responsibility to "interpret" the representative frequency and to set its every clock accordingly with the "target" callback given to devfreq. @@ -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 |