cpu/stm32/periph_eth: model in Kconfig

boards/nucleo-f207zg/Kconfig

@@ -27,5 +27,6 @@ config BOARD_NUCLEO_F207ZG
 
     # Put other features for this board (in alphabetical order)
     select HAS_RIOTBOOT
+    select HAVE_STM32_ETH
 
 source "$(RIOTBOARD)/common/nucleo144/Kconfig"

boards/nucleo-f746zg/Kconfig

@@ -28,5 +28,6 @@ config BOARD_NUCLEO_F746ZG
 
     # Put other features for this board (in alphabetical order)
     select HAS_RIOTBOOT
+    select HAVE_STM32_ETH
 
 source "$(RIOTBOARD)/common/nucleo144/Kconfig"

boards/nucleo-f767zi/Kconfig

@@ -33,5 +33,6 @@ config BOARD_NUCLEO_F767ZI
 
     # Put other features for this board (in alphabetical order)
     select HAS_RIOTBOOT
+    select HAVE_STM32_ETH
 
 source "$(RIOTBOARD)/common/nucleo144/Kconfig"

boards/stm32f746g-disco/Kconfig

@@ -29,6 +29,7 @@ config BOARD_STM32F746G_DISCO
     select BOARD_HAS_LSE
 
     select HAVE_SAUL_GPIO
+    select HAVE_STM32_ETH
     select HAVE_FT5X06
 
 source "$(RIOTBOARD)/common/stm32/Kconfig"

cpu/stm32/periph/Kconfig.eth

@@ -0,0 +1,51 @@
+# Copyright (c) 2022 HAW Hamburg
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+
+menuconfig MODULE_STM32_ETH
+    bool
+    prompt "STM32 ethernet peripheral" if !(HAVE_STM32_ETH && MODULE_NETDEV_DEFAULT)
+    default (HAVE_STM32_ETH && MODULE_NETDEV_DEFAULT)
+    depends on TEST_KCONFIG
+    depends on CPU_STM32
+    depends on HAS_PERIPH_ETH
+    select MODULE_PERIPH_ETH
+    select MODULE_NETDEV_ETH
+    select MODULE_IOLIST
+    select MODULE_ZTIMER
+    select MODULE_ZTIMER_MSEC
+
+if MODULE_STM32_ETH
+
+config MODULE_STM32_ETH_AUTO
+    bool "Link auto-negotiation"
+    select MODULE_STM32_ETH_LINK_UP
+    help
+        Say y to enable link auto-negotiation. In general, it is highly
+        recommended to use auto-negotiation, as this can avoid various
+        communication issues on the PHY layer due to configuration mismatch of
+        the link partners. Note that this feature depends on the link state
+        events feature.
+
+config MODULE_STM32_ETH_LINK_UP
+    bool "Link state events"
+    help
+        Say y to enable link events.
+
+endif # MODULE_STM32_ETH
+
+config MODULE_PERIPH_ETH
+    bool
+    depends on HAS_PERIPH_ETH
+    select MODULE_PERIPH_ETH_COMMON
+
+config MODULE_PERIPH_ETH_COMMON
+    bool
+
+config HAVE_STM32_ETH
+    bool
+    help
+        Indicates that a stm32 ethernet peripheral is present.

drivers/Kconfig.net

@@ -27,6 +27,7 @@ rsource "rn2xx3/Kconfig"
 rsource "$(RIOTCPU)/sam0_common/sam0_eth/Kconfig"
 rsource "slipdev/Kconfig"
 rsource "$(RIOTCPU)/native/socket_zep/Kconfig"
+rsource "$(RIOTCPU)/stm32/periph/Kconfig.eth"
 rsource "sx126x/Kconfig"
 rsource "sx127x/Kconfig"
 rsource "sx1280/Kconfig"

tests/driver_stm32_eth/Kconfig

@@ -0,0 +1,12 @@
+# Copyright (c) 2022 HAW Hamburg
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+
+config APPLICATION
+    bool
+    default y
+    depends on HAS_CPU_STM32
+    depends on HAS_PERIPH_ETH

tests/driver_stm32_eth/app.config.test

@@ -0,0 +1,2 @@
+CONFIG_MODULE_TEST_UTILS_NETDEV_ETH_MINIMAL=y
+CONFIG_MODULE_STM32_ETH=y