// SPDX-License-Identifier: GPL-2.0 /* * Copyright (c) Siemens AG, 2018-2021 * * Authors: * Chao Zeng * * U-Boot bits of the IOT2050 Advanced PG2 variants * (downgrade of usb0 to USB 2.0 mode) */ &serdes0 { status = "disabled"; }; &dwc3_0 { assigned-clock-parents = <&k3_clks 151 4>, /* set REF_CLK to 20MHz i.e. PER0_PLL/48 */ <&k3_clks 151 9>; /* set PIPE3_TXB_CLK to CLK_12M_RC/256 (for HS only) */ /delete-property/ phys; /delete-property/ phy-names; }; &usb0 { maximum-speed = "high-speed"; /delete-property/ snps,dis-u1-entry-quirk; /delete-property/ snps,dis-u2-entry-quirk; };