FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm64/amlogic/meson-g12b-s922x-khadas-vim3.dts

     // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
     /*
      * Copyright (c) 2019 BayLibre, SAS
      * Author: Neil Armstrong <narmstrong@baylibre.com>
      * Copyright (c) 2019 Christian Hewitt <christianshewitt@gmail.com>
      */
     
     /dts-v1/;
     
    #include "meson-g12b-s922x.dtsi"
    #include "meson-khadas-vim3.dtsi"
    #include "meson-g12b-khadas-vim3.dtsi"
    
    / {
            compatible = "khadas,vim3", "amlogic,s922x", "amlogic,g12b";
    };
    
    /*
     * The VIM3 on-board  MCU can mux the PCIe/USB3.0 shared differential
     * lines using a FUSB340TMX USB 3.1 SuperSpeed Data Switch between
     * an USB3.0 Type A connector and a M.2 Key M slot.
     * The PHY driving these differential lines is shared between
     * the USB3.0 controller and the PCIe Controller, thus only
     * a single controller can use it.
     * If the MCU is configured to mux the PCIe/USB3.0 differential lines
     * to the M.2 Key M slot, uncomment the following block to disable
     * USB3.0 from the USB Complex and enable the PCIe controller.
     * The End User is not expected to uncomment the following except for
     * testing purposes, but instead rely on the firmware/bootloader to
     * update these nodes accordingly if PCIe mode is selected by the MCU.
     */
    /*
    &pcie {
            status = "okay";
    };
    
    &usb {
            phys = <&usb2_phy0>, <&usb2_phy1>;
            phy-names = "usb2-phy0", "usb2-phy1";
    };
     */

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