diff --git a/configs/evb-rk3399_defconfig b/configs/evb-rk3399_defconfig
index e3edeb7..40a8295 100644
--- a/configs/evb-rk3399_defconfig
+++ b/configs/evb-rk3399_defconfig
@@ -24,6 +24,7 @@ CONFIG_ROCKCHIP_DWMMC=y
 CONFIG_ROCKCHIP_SDHCI=y
 CONFIG_PINCTRL=y
 CONFIG_ROCKCHIP_RK3399_PINCTRL=y
+CONFIG_PWM_ROCKCHIP=y
 CONFIG_REGULATOR_PWM=y
 CONFIG_DM_REGULATOR_FIXED=y
 CONFIG_RAM=y