i need you help on openwrt mt7620a

the code is in openwrt MT7620a.dts,who can tell me the means.

ethernet@10100000 {
status = "okay";

            pinctrl-names = "default";
            pinctrl-0 = <&rgmii1_pins &rgmii2_pins &mdio_pins>;

            ralink,port-map = "llllw";

            port@4 {
                    status = "okay";
                    phy-mode = "rgmii";
                    phy-handle = <&phy4>;
            };

            port@5 {
                    status = "okay";
                    phy-mode = "rgmii";
                    phy-handle = <&phy5>;
            };

            mdio-bus {
                    status = "okay";

                    phy4: ethernet-phy@4 {
                            reg = <4>;
                            phy-mode = "rgmii";
                    };

                    phy5: ethernet-phy@5 {
                            reg = <5>;
                            phy-mode = "rgmii";
                    };
            };
    };

dts文件其实全称是 device tree source，给你个连接，下载看看，请教我雷锋，哈哈，请下载http://download.csdn.net/detail/dtwangquan/8792935

说真的其实我也不会，你可以问高手

好吧，利用另外一个类似器件的dts文件来的，但是发现不能产生wifi，我用的板子是水星MW300r，然后比较了下发现应该是这一段代码的问题，但是看不懂啊，求神讲解。没有C币了，不好意思哦，求大神

不好意思 ，帮不上你的忙 了，想了好久还是想不出