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Diffstat (limited to 'drivers/devfreq/Kconfig')
| -rw-r--r-- | drivers/devfreq/Kconfig | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig index 8f0491037080..464fa2147dfb 100644 --- a/drivers/devfreq/Kconfig +++ b/drivers/devfreq/Kconfig @@ -65,4 +65,17 @@ config DEVFREQ_GOV_USERSPACE 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 + select ARCH_HAS_OPP + select DEVFREQ_GOV_SIMPLE_ONDEMAND + 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). + endif # PM_DEVFREQ |