diff --git a/arch/arm/configs/rk3506_defconfig b/arch/arm/configs/rk3506_defconfig
index 4600f755850f..52700bcb86a9 100644
--- a/arch/arm/configs/rk3506_defconfig
+++ b/arch/arm/configs/rk3506_defconfig
@@ -181,6 +181,7 @@ CONFIG_SND=y
 CONFIG_SND_SOC=y
 CONFIG_SND_SOC_ROCKCHIP=y
 CONFIG_SND_SOC_ROCKCHIP_I2S_TDM=y
+CONFIG_SND_SOC_ROCKCHIP_PDM_V2=y
 CONFIG_SND_SIMPLE_CARD=y
 CONFIG_USB_GADGET=y
 CONFIG_USB_CONFIGFS=y