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https://e2e.ti.com/support/interface-group/interface/f/interface-forum/1358390/dp83867cr-dp83867
器件型号：DP83867CR我正在尝试将 DP83867与 Jetson Orin 连接。
我看到如下错误
[ 20.163987] mdio_bus 2310000.ethernet: MDIO device at address 0 is missing. [ 20.172251] nvethernet 2310000.ethernet: failed to connect PHY [ 20.179193] net eth0: ether_open: Cannot attach to PHY (error: -19)
我的 DTS 文件更新如下
ethernet@2310000 {
status = "okay";
nvidia,mac-addr-idx = <0>;
nvidia,max-platform-mtu = <8000>;
nvidia,pause_frames = <0>;
local-mac-adress = [1a 2b 3c 4d 5e 6f];
nvidia,phy-reset-gpio = <&tegra_main_gpio TEGRA234_MAIN_GPIO(G, 5) 0>;
phy-handle = <&phy>;
phy-mode = "rgmii-id";
mdio {
compatible = "nvidia,eqos-mdio";
#address-cells = <1>;
#size-cells = <0>;
phy: phy@0 {
reg = <0>;
compatible = "ethernet-phy-ieee802.3-c22";
tx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
rx-fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
ti,max-output-impedance;
// ti,clk-output-sel = <DP83867_CLK_O_SEL_CHN_A_RCLK>;
ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_25_NS>;
ti,tx-internal-delay = <DP83867_RGMIIDCTL_2_75_NS>;
interrupt-parent = <&tegra_main_gpio>;
interrupts = <TEGRA234_MAIN_GPIO(G, 4) IRQ_TYPE_LEVEL_LOW>; //<TODO> Need to check
};
};
};
