diff --git a/drivers/net/dsa/ocelot/Kconfig b/drivers/net/dsa/ocelot/Kconfig
index 640725524d0cd9e3a2bc246b394554fa9d3437a7..eff0a7dfcd210789cb9db029a3b76423eb7518ad 100644
--- a/drivers/net/dsa/ocelot/Kconfig
+++ b/drivers/net/dsa/ocelot/Kconfig
@@ -12,6 +12,7 @@ config NET_DSA_MSCC_OCELOT_EXT
 	tristate "Ocelot External Ethernet switch support"
 	depends on NET_DSA && SPI
 	depends on NET_VENDOR_MICROSEMI
+	depends on PTP_1588_CLOCK_OPTIONAL
 	select MDIO_MSCC_MIIM
 	select MFD_OCELOT_CORE
 	select MSCC_OCELOT_SWITCH_LIB
diff --git a/drivers/net/ethernet/mscc/Kconfig b/drivers/net/ethernet/mscc/Kconfig
index 8dd8c7f425d2c93a43dbec9311c91296cbd1d581..81e605691bb8b5133a25d16c3be9db1e8b25502f 100644
--- a/drivers/net/ethernet/mscc/Kconfig
+++ b/drivers/net/ethernet/mscc/Kconfig
@@ -13,6 +13,7 @@ if NET_VENDOR_MICROSEMI
 
 # Users should depend on NET_SWITCHDEV, HAS_IOMEM, BRIDGE
 config MSCC_OCELOT_SWITCH_LIB
+	depends on PTP_1588_CLOCK_OPTIONAL
 	select NET_DEVLINK
 	select REGMAP_MMIO
 	select PACKING