diff --git a/arch/arm/configs/rk30_phonepad_defconfig b/arch/arm/configs/rk30_phonepad_defconfig
index be12e87ab36c..9dd90e82d2ba 100755
--- a/arch/arm/configs/rk30_phonepad_defconfig
+++ b/arch/arm/configs/rk30_phonepad_defconfig
@@ -22,6 +22,7 @@ CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 CONFIG_ARCH_RK30=y
+CONFIG_DDR_SDRAM_FREQ=300
 CONFIG_CLK_SWITCH_TO_32K=y
 CONFIG_RK30_I2C_INSRAM=y
 CONFIG_WIFI_COMBO_MODULE_CONTROL_FUNC=y