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怎样在RK3568开发板上去实现一种双以太网的设计

问答对人有帮助，内容完整，我也想知道答案 0 怎样在RK3568开发板上去实现一种双以太网的设计？ 0
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答案对人有帮助，有参考价值 0 RK3568kernelarcharm64bootdtsrockchiprk3568-evb1-ddr4-v10.dtsi //重点是复位RESET &gmac0 { phy-mode = "rgmii"; clock_in_out = "output"; snps,reset-gpio = <&gpio1 RK_PB0 GPIO_ACTIVE_LOW>; snps,reset-active-low; /* Reset time is 20ms, 100ms for rtl8211f / snps,reset-delays-us = <0 20000 100000>; assigned-clocks = <&cru SCLK_GMAC0_RX_TX>, <&cru SCLK_GMAC0>; assigned-clock-parents = <&cru SCLK_GMAC0_RGMII_SPEED>, <&cru CLK_MAC0_2TOP>; assigned-clock-rates = <0>, <125000000>; pinctrl-names = "default"; pinctrl-0 = <&gmac0_miim &gmac0_tx_bus2 &gmac0_rx_bus2 &gmac0_rgmii_clk &gmac0_rgmii_bus>; tx_delay = <0x3c>; rx_delay = <0x2f>; phy-handle = <&rgmii_phy0>; status = "okay"; }; &mdio0 { rgmii_phy0: phy@0 { compatible = "ethernet-phy-ieee802.3-c22"; reg = <0x0>; }; }; &gmac1 { phy-mode = "rgmii"; clock_in_out = "output"; snps,reset-gpio = <&gpio1 RK_PB1 GPIO_ACTIVE_LOW>; snps,reset-active-low; / Reset time is 20ms, 100ms for rtl8211f */ snps,reset-delays-us = <0 20000 100000>; assigned-clocks = <&cru SCLK_GMAC1_RX_TX>, <&cru SCLK_GMAC1>; assigned-clock-parents = <&cru SCLK_GMAC1_RGMII_SPEED>, <&cru CLK_MAC1_2TOP>; assigned-clock-rates = <0>, <125000000>; pinctrl-names = "default"; pinctrl-0 = <&gmac1m1_miim &gmac1m1_tx_bus2 &gmac1m1_rx_bus2 &gmac1m1_rgmii_clk &gmac1m1_rgmii_bus>; tx_delay = <0x4f>; rx_delay = <0x26>; phy-handle = <&rgmii_phy1>; status = "okay"; }; &mdio1 { rgmii_phy1: phy@0 { compatible = "ethernet-phy-ieee802.3-c22"; reg = <0x0>; }; }; 详细参考：rk3568RKDocscommonGMAC Rockchip_Developer_Guide_Ethernet_CN.pdf Rockchip_Developer_Guide_Linux_GMAC_CN.pdf Rockchip_Developer_Guide_Linux_GMAC_Mode_Configuration_CN.pdf Rockchip_Developer_Guide_Linux_GMAC_RGMII_Delayline_CN.pdf Rockchip_Developer_Guide_Linux_GMAC_RGMII_Delayline_EN.pdf

2022-3-2 16:22:39 评论举报张西子