| Tom Rini | 6bb92fc | 2024-05-20 09:54:58 -0600 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0-only OR MIT |
| 2 | /** |
| 3 | * DT overlay for SERDES personality card: 2lane PCIe + USB2.0 Host on AM654 EVM |
| 4 | * |
| 5 | * Copyright (C) 2018-2024 Texas Instruments Incorporated - https://www.ti.com/ |
| 6 | */ |
| 7 | |
| 8 | /dts-v1/; |
| 9 | /plugin/; |
| 10 | #include <dt-bindings/gpio/gpio.h> |
| 11 | #include <dt-bindings/phy/phy.h> |
| 12 | #include <dt-bindings/phy/phy-am654-serdes.h> |
| 13 | #include "k3-pinctrl.h" |
| 14 | |
| 15 | &serdes0 { |
| 16 | assigned-clocks = <&k3_clks 153 4>, |
| 17 | <&serdes0 AM654_SERDES_CMU_REFCLK>, |
| 18 | <&serdes0 AM654_SERDES_RO_REFCLK>; |
| 19 | assigned-clock-parents = <&k3_clks 153 8>, |
| 20 | <&k3_clks 153 4>, |
| 21 | <&k3_clks 153 4>; |
| 22 | status = "okay"; |
| 23 | }; |
| 24 | |
| 25 | &serdes1 { |
| 26 | assigned-clocks = <&serdes1 AM654_SERDES_CMU_REFCLK>; |
| 27 | assigned-clock-parents = <&serdes0 AM654_SERDES_RO_REFCLK>; |
| 28 | status = "okay"; |
| 29 | }; |
| 30 | |
| 31 | &pcie0_rc { |
| 32 | num-lanes = <2>; |
| 33 | phys = <&serdes0 PHY_TYPE_PCIE 1>, <&serdes1 PHY_TYPE_PCIE 1>; |
| 34 | phy-names = "pcie-phy0", "pcie-phy1"; |
| 35 | reset-gpios = <&pca9555 5 GPIO_ACTIVE_HIGH>; |
| 36 | status = "okay"; |
| 37 | }; |
| 38 | |
| 39 | &main_pmx0 { |
| 40 | usb0_pins_default: usb0-default-pins { |
| 41 | pinctrl-single,pins = < |
| 42 | AM65X_IOPAD(0x02bc, PIN_OUTPUT, 0) /* (AD9) USB0_DRVVBUS */ |
| 43 | >; |
| 44 | }; |
| 45 | }; |
| 46 | |
| 47 | &dwc3_0 { |
| 48 | status = "okay"; |
| 49 | }; |
| 50 | |
| 51 | &usb0_phy { |
| 52 | status = "okay"; |
| 53 | }; |
| 54 | |
| 55 | &usb0 { |
| 56 | pinctrl-names = "default"; |
| 57 | pinctrl-0 = <&usb0_pins_default>; |
| 58 | dr_mode = "host"; |
| 59 | }; |