diff --git a/arch/arm64/configs/gem5_defconfig b/arch/arm64/configs/gem5_defconfig
index e7f96f1..518a64c 100644
--- a/arch/arm64/configs/gem5_defconfig
+++ b/arch/arm64/configs/gem5_defconfig
@@ -461,10 +461,25 @@
 #
 # CPU Frequency scaling
 #
-# CONFIG_CPU_FREQ is not set
+CONFIG_CPU_FREQ=y
+CONFIG_CPU_FREQ_GOV_COMMON=y
+CONFIG_CPU_FREQ_STAT=y
+CONFIG_CPU_FREQ_STAT_DETAILS=y
+CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
+CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+CONFIG_CPU_FREQ_GOV_POWERSAVE=y
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
+CONFIG_CPU_FREQ_GOV_ONDEMAND=y
+CONFIG_CPU_FREQ_GOV_CONSERVATIVE=y
 CONFIG_NET=y
 
 #
+# CPU frequency scaling drivers
+#
+CONFIG_ARM_GEM5_MULTI_CLUSTER_CPUFREQ=y
+CONFIG_ARCH_GEM5_ENERGY_CTRL=y
+
+#
 # Networking options
 #
 CONFIG_PACKET=y
@@ -2035,6 +2050,7 @@
 CONFIG_COMMON_CLK_XGENE=y
 # CONFIG_COMMON_CLK_PXA is not set
 # CONFIG_COMMON_CLK_CDCE706 is not set
+CONFIG_GEM5_CPUFREQ_CLK=y
 
 #
 # Hardware Spinlock drivers