diff --git a/arch/arm/configs/rk30_phonepad_defconfig b/arch/arm/configs/rk30_phonepad_defconfig
index e12f52255428..a69c34ac4f2f 100644
--- a/arch/arm/configs/rk30_phonepad_defconfig
+++ b/arch/arm/configs/rk30_phonepad_defconfig
@@ -267,6 +267,7 @@ CONFIG_TEST_POWER=y
 CONFIG_MFD_TPS65910=y
 CONFIG_REGULATOR=y
 CONFIG_REGULATOR_TPS65910=y
+CONFIG_RK30_PWM_REGULATOR=y
 CONFIG_MEDIA_SUPPORT=y
 CONFIG_VIDEO_DEV=y
 CONFIG_SOC_CAMERA=y