diff --git a/arch/arm64/configs/rockchip_linux_defconfig b/arch/arm64/configs/rockchip_linux_defconfig
index ff643c4cea5d..b85b3ab50a9b 100644
--- a/arch/arm64/configs/rockchip_linux_defconfig
+++ b/arch/arm64/configs/rockchip_linux_defconfig
@@ -286,6 +286,7 @@ CONFIG_MFD_RK806_I2C=y
 CONFIG_MFD_RK806_SPI=y
 CONFIG_MFD_RK808=y
 CONFIG_MFD_RKX110_X120=y
+CONFIG_PWM_RKX120=y
 CONFIG_ROCKCHIP_SERDES_DRM_PANEL=y
 CONFIG_MFD_TPS6586X=y
 CONFIG_REGULATOR=y