// SPDX-License-Identifier: GPL-2.0-only OR MIT /** * DT overlay for SERDES personality card: 1lane PCIe + USB3.0 DRD on AM654 EVM * * Copyright (C) 2018-2024 Texas Instruments Incorporated - http://www.ti.com/ */ /dts-v1/; /plugin/; #include #include #include #include "k3-pinctrl.h" &serdes1 { status = "okay"; }; &pcie1_rc { num-lanes = <1>; phys = <&serdes1 PHY_TYPE_PCIE 0>; phy-names = "pcie-phy0"; 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 */ >; }; }; &serdes0 { status = "okay"; assigned-clocks = <&k3_clks 153 4>, <&serdes0 AM654_SERDES_CMU_REFCLK>; assigned-clock-parents = <&k3_clks 153 7>, <&k3_clks 153 4>; }; &dwc3_0 { status = "okay"; assigned-clock-parents = <&k3_clks 151 4>, /* set REF_CLK to 20MHz i.e. PER0_PLL/48 */ <&k3_clks 151 8>; /* set PIPE3_TXB_CLK to WIZ8B2M4VSB */ phys = <&serdes0 PHY_TYPE_USB3 0>; phy-names = "usb3-phy"; }; &usb0 { pinctrl-names = "default"; pinctrl-0 = <&usb0_pins_default>; dr_mode = "host"; maximum-speed = "super-speed"; snps,dis-u1-entry-quirk; snps,dis-u2-entry-quirk; }; &usb0_phy { status = "okay"; };