wip: gd32 ethernet controller driver

sbourdelin · Jul 6, 2022 · f558a96 · f558a96
1 parent 183c902
commit f558a96
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Showing 10 changed files with 919 additions and 0 deletions.
diff --git a/boards/arm/gd32f450z_eval/Kconfig.defconfig b/boards/arm/gd32f450z_eval/Kconfig.defconfig
@@ -6,4 +6,11 @@ if BOARD_GD32F450Z_EVAL
 config BOARD
 	default "gd32f450z_eval"
 
+if NETWORKING
+
+config NET_L2_ETHERNET
+	default y
+
+endif # NETWORKING
+
 endif # BOARD_GD32F450Z_EVAL
diff --git a/boards/arm/gd32f450z_eval/gd32f450z_eval-pinctrl.dtsi b/boards/arm/gd32f450z_eval/gd32f450z_eval-pinctrl.dtsi
@@ -39,4 +39,45 @@
 				 <SPI5_IO2_PG10>, <SPI5_IO3_PG11>;
 		};
 	};
+
+	mac_rmii: mac_rmii {
+		group1 {
+			pinmux = <ETH_RMII_REF_CLK_PA1>,
+				<ETH_RMII_CRS_DV_PA7>,
+				<ETH_RMII_TX_EN_PB11>,
+				<ETH_RMII_TXD0_PB12>,
+				<ETH_RMII_TXD1_PB13>,
+				<ETH_RMII_RXD0_PC4>,
+				<ETH_RMII_RXD1_PC5>;
+		};
+	};
+
+	mac_mii: mac_mii {
+		group1 {
+			pinmux = <ETH_MII_CRS_PA0>,
+				<ETH_MII_COL_PA3>,
+				<ETH_MII_TX_CLK_PC3>,
+				<ETH_MII_TX_EN_PB11>,
+				<ETH_MII_TXD0_PB12>,
+				<ETH_MII_TXD1_PB13>,
+				<ETH_MII_TXD2_PC2>,
+				<ETH_MII_TXD3_PB8>,
+				<ETH_MII_RX_CLK_PA1>,
+				<ETH_MII_RX_DV_PA7>,
+				<ETH_MII_RXD0_PC4>,
+				<ETH_MII_RXD1_PC5>,
+				<ETH_MII_RXD2_PB0>,
+				<ETH_MII_RXD3_PB1>,
+				<ETH_MII_RX_ER_PB10>;
+		};
+	};
+
+	mdio_default: mdio_default {
+		group1 {
+			pinmux = <CK_OUT0_PA8>,
+				<ETH_MDC_PC1>,
+				<ETH_MDIO_PA2>;
+		};
+	};
+
 };
diff --git a/boards/arm/gd32f450z_eval/gd32f450z_eval.dts b/boards/arm/gd32f450z_eval/gd32f450z_eval.dts
@@ -145,3 +145,19 @@
 		jedec-id = [c8 40 15];
 	};
 };
+
+&enet {
+	status = "okay";
+	pinctrl-0 = <&mac_rmii>;
+	pinctrl-names = "default";
+};
+
+&mdio {
+	status = "okay";
+	pinctrl-0 = <&mdio_default>;
+	pinctrl-names = "default";
+};
+
+&phy {
+	status = "okay";
+};
diff --git a/drivers/ethernet/CMakeLists.txt b/drivers/ethernet/CMakeLists.txt
@@ -19,6 +19,7 @@ zephyr_library_sources_ifdef(CONFIG_ETH_DWMAC_MMU	eth_dwmac_mmu.c)
 zephyr_library_sources_ifdef(CONFIG_ETH_E1000		eth_e1000.c)
 zephyr_library_sources_ifdef(CONFIG_ETH_ENC28J60	eth_enc28j60.c)
 zephyr_library_sources_ifdef(CONFIG_ETH_ENC424J600	eth_enc424j600.c)
+zephyr_library_sources_ifdef(CONFIG_ETH_GD32		eth_gd32.c)
 zephyr_library_sources_ifdef(CONFIG_DSA_KSZ8XXX		dsa_ksz8xxx.c)
 zephyr_library_sources_ifdef(CONFIG_ETH_LITEETH		eth_liteeth.c)
 zephyr_library_sources_ifdef(CONFIG_ETH_MCUX		eth_mcux.c)

diff --git a/drivers/ethernet/Kconfig b/drivers/ethernet/Kconfig
@@ -59,6 +59,7 @@ source "drivers/ethernet/Kconfig.gecko"
 source "drivers/ethernet/Kconfig.w5500"
 source "drivers/ethernet/Kconfig.dsa"
 source "drivers/ethernet/Kconfig.xlnx_gem"
+source "drivers/ethernet/Kconfig.gd32"
 
 source "drivers/ethernet/phy/Kconfig"
 

diff --git a/drivers/ethernet/Kconfig.gd32 b/drivers/ethernet/Kconfig.gd32
@@ -0,0 +1,11 @@
+# ETH_GD32 Ethernet driver configuration options
+
+# Copyright (c) 2022 Rtone
+# SPDX-License-Identifier: Apache-2.0
+
+menuconfig ETH_GD32
+	bool "GD32 Ethernet Controller"
+	depends on (SOC_FAMILY_GD32 || SOC_SERIES_GD32VF103)
+	select MDIO
+	help
+	  Enable GigaDevice GD32 Ethernet Controller