| // 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 <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/phy/phy.h> |
| #include <dt-bindings/phy/phy-am654-serdes.h> |
| #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"; |
| }; |