diff --git a/linux-5.10/rk3568/arch/arm64_defconfig b/linux-5.10/rk3568/arch/arm64_defconfig
index 1ba71ace6ab4f02f4af544552e56595af6776ed9..a813ed1659c4da0566dd3a972e03e739eb5a31d2 100644
--- a/linux-5.10/rk3568/arch/arm64_defconfig
+++ b/linux-5.10/rk3568/arch/arm64_defconfig
@@ -1523,6 +1523,8 @@ CONFIG_PHYLINK=y
 
 #
 # MII PHY device drivers
+CONFIG_MII=y
+
 #
 # CONFIG_AMD_PHY is not set
 # CONFIG_ADIN_PHY is not set