diff --git a/target/linux/stm32/stm32mp1/config-6.6 b/target/linux/stm32/stm32mp1/config-6.6
index e19abcc7dcc..0428216ecbb 100644
--- a/target/linux/stm32/stm32mp1/config-6.6
+++ b/target/linux/stm32/stm32mp1/config-6.6
@@ -423,6 +423,7 @@ CONFIG_SGL_ALLOC=y
 CONFIG_SG_POOL=y
 CONFIG_SMP=y
 CONFIG_SMP_ON_UP=y
+CONFIG_SMSC_PHY=y
 CONFIG_SOCK_RX_QUEUE_MAPPING=y
 CONFIG_SOC_BUS=y
 CONFIG_SOFTIRQ_ON_OWN_STACK=y