From 10b9ef4a514b25dea6eac24f25e3027866526800 Mon Sep 17 00:00:00 2001 From: Jonas Karlman Date: Fri, 9 May 2025 20:23:58 +0000 Subject: [PATCH] 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: Jonas Karlman Tested-by: Yao Zi Link: https://lore.kernel.org/r/20250509202402.260038-3-jonas@kwiboo.se Signed-off-by: Heiko Stuebner --- .../boot/dts/rockchip/rk3528-radxa-e20c.dts | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts index d45b6594b2de..506d54337ece 100644 --- a/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts +++ b/arch/arm64/boot/dts/rockchip/rk3528-radxa-e20c.dts @@ -17,6 +17,7 @@ compatible = "radxa,e20c", "rockchip,rk3528"; aliases { + ethernet0 = &gmac1; mmc0 = &sdhci; mmc1 = &sdmmc; }; @@ -184,6 +185,17 @@ 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 @@ }; }; +&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>; -- 2.50.1