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-rw-r--r--arch/blackfin/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 7f1ab802537..c8def1cf175 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -967,6 +967,17 @@ menu "CPU Frequency scaling"
source "drivers/cpufreq/Kconfig"
+config CPU_VOLTAGE
+ bool "CPU Voltage scaling"
+ depends on EXPERIMENTAL
+ depends on CPU_FREQ
+ default n
+ help
+ Say Y here if you want CPU voltage scaling according to the CPU frequency.
+ This option violates the PLL BYPASS recommendation in the Blackfin Processor
+ manuals. There is a theoretical risk that during VDDINT transitions
+ the PLL may unlock.
+
endmenu
source "net/Kconfig"