diff --git a/target/linux/rockchip/armv8/config-5.4 b/target/linux/rockchip/armv8/config-5.4
index 358c6daa69..f779a37ad0 100644
--- a/target/linux/rockchip/armv8/config-5.4
+++ b/target/linux/rockchip/armv8/config-5.4
@@ -369,6 +369,7 @@ CONFIG_RCU_CPU_STALL_TIMEOUT=21
 # CONFIG_RCU_EXPERT is not set
 CONFIG_RCU_TRACE=y
 # CONFIG_READ_ONLY_THP_FOR_FS is not set
+CONFIG_REALTEK_PHY=y
 CONFIG_REGMAP=y
 CONFIG_REGMAP_I2C=y
 CONFIG_REGMAP_IRQ=y