drivers: ethernet: Add Intel® i226 Ethernet Controller Driver

drivers/ethernet/CMakeLists.txt

@@ -74,3 +74,4 @@ add_subdirectory(phy)
 add_subdirectory(eth_nxp_enet_qos)
 add_subdirectory(nxp_imx_netc)
 add_subdirectory(dwc_xgmac)
+add_subdirectory(intel)

drivers/ethernet/Kconfig

@@ -86,6 +86,7 @@ source "drivers/ethernet/phy/Kconfig"
 
 source "drivers/ethernet/nxp_imx_netc/Kconfig"
 source "drivers/ethernet/Kconfig.renesas_ra"
+source "drivers/ethernet/intel/Kconfig"
 
 endif # "Ethernet Drivers"
 

drivers/ethernet/intel/CMakeLists.txt

@@ -0,0 +1,5 @@
+# Copyright (c) 2025 Intel Corporation.
+# SPDX-License-Identifier: Apache-2.0
+
+zephyr_library_sources_ifdef(CONFIG_ETH_INTEL_IGC		eth_intel_igc.c)
+zephyr_library_sources_ifdef(CONFIG_ETH_INTEL_PLAT		eth_intel_plat.c)

drivers/ethernet/intel/Kconfig

@@ -0,0 +1,12 @@
+# Copyright (c) 2025 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+config ETH_INTEL_PLAT
+	bool "Intel Ethernet parent Platform device driver"
+	depends on DT_HAS_INTEL_ETH_PLAT_ENABLED
+	help
+	  Enable Platform driver to retrieve the MMIO mapping details and
+	  share them with all the child devices such as MDIO, PHY, MAC
+	  and PTP_CLOCK.
+
+source "drivers/ethernet/intel/Kconfig.intel_igc"

drivers/ethernet/intel/Kconfig.intel_igc

@@ -0,0 +1,29 @@
+# Copyright (c) 2025 Intel Corporation
+# SPDX-License-Identifier: Apache-2.0
+
+menuconfig ETH_INTEL_IGC
+	bool "Intel IGC MAC driver"
+	default y
+	depends on DT_HAS_INTEL_IGC_MAC_ENABLED
+	select MDIO
+	select PCIE_MSI_MULTI_VECTOR
+	select PCIE_MSI_X
+	help
+	  Ethernet device driver for Intel i226 MAC.
+
+if ETH_INTEL_IGC
+
+config ETH_INTEL_IGC_INT_PRIORITY
+	int "Interrupt priority"
+	default 6
+	help
+	  MSI-X vectors priority for IGC interrupts.
+
+config ETH_INTEL_IGC_NET_MTU
+	int "MTU size"
+	default 1500
+	range 64 1522
+	help
+	  Maximum Transmission Unit (MTU) size configuration.
+
+endif # ETH_INTEL_IGC