// SPDX-License-Identifier: (GPL-2.0+ OR MIT) /* * Copyright (c) 2019 BayLibre, SAS * Author: Neil Armstrong * Copyright (c) 2019 Christian Hewitt */ /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"; }; */