u-boot/arch/arm/dts/k3-am65-iot2050-common-pg2-u-boot.dtsi
Jan Kiszka 08ad739f38 arm: dts: Update IOT2050 device tree files
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>
2021-10-11 15:02:50 -04:00

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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) Siemens AG, 2018-2021
*
* Authors:
* Chao Zeng <chao.zeng@siemens.com>
*
* 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;
};