// SPDX-License-Identifier: GPL-2.0-only OR MIT /** * DT overlay for SERDES personality card: 2lane PCIe + USB2.0 Host on AM654 EVM * * Copyright (C) 2018-2024 Texas Instruments Incorporated - https://www.ti.com/ */ /dts-v1/; /plugin/; #include #include #include #include "k3-pinctrl.h" &serdes0 { assigned-clocks = <&k3_clks 153 4>, <&serdes0 AM654_SERDES_CMU_REFCLK>, <&serdes0 AM654_SERDES_RO_REFCLK>; assigned-clock-parents = <&k3_clks 153 8>, <&k3_clks 153 4>, <&k3_clks 153 4>; status = "okay"; }; &serdes1 { assigned-clocks = <&serdes1 AM654_SERDES_CMU_REFCLK>; assigned-clock-parents = <&serdes0 AM654_SERDES_RO_REFCLK>; status = "okay"; }; &pcie0_rc { num-lanes = <2>; phys = <&serdes0 PHY_TYPE_PCIE 1>, <&serdes1 PHY_TYPE_PCIE 1>; phy-names = "pcie-phy0", "pcie-phy1"; reset-gpios = <&pca9555 5 GPIO_ACTIVE_HIGH>; status = "okay"; }; &main_pmx0 { usb0_pins_default: usb0-default-pins { pinctrl-single,pins = < AM65X_IOPAD(0x02bc, PIN_OUTPUT, 0) /* (AD9) USB0_DRVVBUS */ >; }; }; &dwc3_0 { status = "okay"; }; &usb0_phy { status = "okay"; }; &usb0 { pinctrl-names = "default"; pinctrl-0 = <&usb0_pins_default>; dr_mode = "host"; };