pinctrl-0 = <&pinctrl_enet1>; phy-mode = "rmii"; phy-handle = <ðphy0>; status = "okay"; }; /*---以下内容省略---*/ imx6ull.dtsi头文件 (内核源码/arch/arm/boot/dts/imx6ull.dtsi): cpus { #address-cells = <1>; #size-cells = <0>; cpu0: cpu@0 { compatible = "arm...
比如: /* 有关的 设备树写法 */6ethernet@2,02000000{5compatible ="smsc,lan9118","smsc,lan9115";4reg= <20x020000000x10000>;3interrupts = <15>;2phy-mode ="mii";1reg-io-width = <4>;55smsc,irq-active-high;// 自定义key1smsc,irq-push-pull;// 自定义key2vdd33a-supply = <&v2m_f...
phy-mode = "rmii"; phy-handle = <ðphy0>; status = "okay"; }; 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 5.4 节点命令 基本方法 node-name@unit-address{ 属性1 = … 属性2 = … 属性3= … 子节点… } 1. 2. 3. 4. 5. 6. 7. 8....
mac-address = [00 00 00 00 00 00]; phy-handle = <0x105>; phy-mode = "rgmii"; dual_emac_res_vlan = <0x1>; }; slave@48480300 { mac-address = [00 00 00 00 00 00]; phy-handle = <0x106>; phy-mode = "rgmii"; dual_emac_res_vlan = <0x2>; }; 1. 2. 3. 4. 5. ...
413 } 414 415 plat->phy_interface = of_get_phy_mode(np); /* 一般是从dts中解析phy-mode属性,获得网卡和phy芯片之间通信的总线协议,一般是MII或者RMGII,在linux中有一张phy_modes的表格,枚举了所有可能的通信协议 */ 416 if (plat->phy_interface < 0) 417 return ERR_PTR(plat->phy_interface);...
cpu是am3352,phy芯片是dp83620,需要配置成百兆的RMII模式,片外晶振提供时钟,硬件配置phy地址位5,我配置的设备树如下: cpsw_default: cpsw_default { pinctrl-single,pins = < /* Slave 1 */ AM33XX_IOPAD(0x90C, PIN_INPUT_PULLDOWN | MUX_MODE1) /* mii1_crs.rmii1_crs_dv */ ...
xlnx,genlock-mode ; }; }; axi_vdma_lcd { compatible = "topic,vdma-fb"; dmas = <&axi_vdma_0 0>; dma-names = "axivdma"; }; }; }; &gem1 { status = "okay"; phy-mode = "rgmii-id"; xlnx,ptp-enet-clock = <0x69f6bcb>; phy-handle = <ðernet_phy...
#include #include #include #include #include #include #include #include #include #include #include "rk3568-dram-default-timing.dtsi" / { compatible = "rockchip,rk3568"; interrupt-parent = <&gic>; #address
phy-names = "usb2-0", "usb2-1", "usb2-2", "usb3-0", "usb3-1", "usb3-2"; }; 接着我们对依次编译NVIDIA 的树外内核模块以及设备树文件 #编译NVIDIA 的树外内核模块cd<install-path>/Linux_for_Tegra/sourceexportIGNORE_PREEMPT_RT_PRESENCE=1exportCROSS_COMPILE=<toolchain-path>/bin/aarch...
为了解决这个问题，Linux设备树⽬录把⼀个SoC公⽤的部分或者多个machine共同的部分提炼为相应的.dtsi⽂件。这样每个.dts就只有⾃⼰差异的部分，公有的部分只需要"include"相应的.dtsi⽂件, 以保证整个设备树的管理更加有序。以solidrun公司的hummingboard为例，其组成为 imx6dl-hummingboard.dts |_imx6dl....