diff --git a/configs/evb-rk3399_defconfig b/configs/evb-rk3399_defconfig
index 25e89394f9..97f29669ca 100644
--- a/configs/evb-rk3399_defconfig
+++ b/configs/evb-rk3399_defconfig
@@ -23,6 +23,7 @@ CONFIG_ROCKCHIP_SDHCI=y
 CONFIG_ROCKCHIP_GPIO=y
 CONFIG_PINCTRL=y
 CONFIG_ROCKCHIP_RK3399_PINCTRL=y
+CONFIG_REGULATOR_PWM=y
 CONFIG_RAM=y
 CONFIG_DEBUG_UART=y
 CONFIG_DEBUG_UART_BASE=0xFF1A0000