diff --git a/arch/arm/configs/rockchip_defconfig b/arch/arm/configs/rockchip_defconfig
index a439a52ead46..6004adbcd591 100644
--- a/arch/arm/configs/rockchip_defconfig
+++ b/arch/arm/configs/rockchip_defconfig
@@ -612,6 +612,7 @@ CONFIG_DEVFREQ_GOV_PERFORMANCE=y
 CONFIG_DEVFREQ_GOV_POWERSAVE=y
 CONFIG_DEVFREQ_GOV_USERSPACE=y
 CONFIG_ARM_ROCKCHIP_DMC_DEVFREQ=y
+CONFIG_ARM_ROCKCHIP_DMC_DEBUG=y
 CONFIG_DEVFREQ_EVENT_ROCKCHIP_NOCP=y
 CONFIG_IIO=y
 CONFIG_IIO_BUFFER=y