Commit 10b9ef4a authored by Jonas Karlman's avatar Jonas Karlman Committed by Heiko Stuebner
Browse files

arm64: dts: rockchip: Enable Ethernet controller on Radxa E20C 



The Radxa E20C has two GbE ports, LAN and WAN. The LAN port is provided
using a GMAC controller and a YT8531C PHY and the WAN port is provided
by an RTL8111H PCIe Ethernet controller.

Enable support for the LAN port on Radxa E20C.

Signed-off-by: default avatarJonas Karlman <jonas@kwiboo.se>
Tested-by: default avatarYao Zi <ziyao@disroot.org>
Link: https://lore.kernel.org/r/20250509202402.260038-3-jonas@kwiboo.se


Signed-off-by: default avatarHeiko Stuebner <heiko@sntech.de>
parent 5eb28f46

arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts

+30 −0
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ / { 
	compatible = "radxa,e20c", "rockchip,rk3528";



	aliases {

		ethernet0 = &gmac1;

		mmc0 = &sdhci;

		mmc1 = &sdmmc;

	};
@@ -184,6 +185,17 @@ &cpu3 { 
	cpu-supply = <&vdd_arm>;

};



&gmac1 {

	clock_in_out = "output";

	phy-handle = <&rgmii_phy>;

	phy-mode = "rgmii-id";

	phy-supply = <&vcc_3v3>;

	pinctrl-names = "default";

	pinctrl-0 = <&rgmii_miim>, <&rgmii_tx_bus2>, <&rgmii_rx_bus2>,

		    <&rgmii_rgmii_clk>, <&rgmii_rgmii_bus>;

	status = "okay";

};



&i2c1 {

	pinctrl-names = "default";

	pinctrl-0 = <&i2c1m0_xfer>;
@@ -198,7 +210,25 @@ eeprom@50 { 
	};

};



&mdio1 {

	rgmii_phy: ethernet-phy@1 {

		compatible = "ethernet-phy-ieee802.3-c22";

		reg = <0x1>;

		pinctrl-names = "default";

		pinctrl-0 = <&gmac1_rstn_l>;

		reset-assert-us = <20000>;

		reset-deassert-us = <100000>;

		reset-gpios = <&gpio4 RK_PC2 GPIO_ACTIVE_LOW>;

	};

};



&pinctrl {

	ethernet {

		gmac1_rstn_l: gmac1-rstn-l {

			rockchip,pins = <4 RK_PC2 RK_FUNC_GPIO &pcfg_pull_none>;

		};

	};



	gpio-keys {

		user_key: user-key {

			rockchip,pins = <0 RK_PA0 RK_FUNC_GPIO &pcfg_pull_up>;