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https://github.com/AsahiLinux/u-boot
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08ad739f38
This fixes the usage of the USB 3.0-capable port under U-Boot as USB 2.0-only port. Original patch by Chao Zeng. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
27 lines
634 B
Text
27 lines
634 B
Text
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright (c) Siemens AG, 2018-2021
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*
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* Authors:
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* Chao Zeng <chao.zeng@siemens.com>
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*
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* U-Boot bits of the IOT2050 Advanced PG2 variants
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* (downgrade of usb0 to USB 2.0 mode)
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*/
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&serdes0 {
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status = "disabled";
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};
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&dwc3_0 {
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assigned-clock-parents = <&k3_clks 151 4>, /* set REF_CLK to 20MHz i.e. PER0_PLL/48 */
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<&k3_clks 151 9>; /* set PIPE3_TXB_CLK to CLK_12M_RC/256 (for HS only) */
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/delete-property/ phys;
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/delete-property/ phy-names;
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};
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&usb0 {
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maximum-speed = "high-speed";
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/delete-property/ snps,dis-u1-entry-quirk;
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/delete-property/ snps,dis-u2-entry-quirk;
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};
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