arch/arm/dts/k3-am6548-iot2050-advanced-m2-bkey-usb3-overlay.dtso

// SPDX-License-Identifier: GPL-2.0
/*
 * IOT2050 M.2 variant, overlay for B-key USB3.0 + E-key PCIE1_LANE0
 * Copyright (c) Siemens AG, 2022
 *
 * Authors:
 *   Chao Zeng <chao.zeng@siemens.com>
 *   Jan Kiszka <jan.kiszka@siemens.com>
 */

/dts-v1/;
/plugin/;

#include <dt-bindings/phy/phy.h>
#include <dt-bindings/gpio/gpio.h>

&serdes0 {
	assigned-clock-parents = <&k3_clks 153 7>, <&k3_clks 153 4>;
};

&pcie0_rc {
	status = "disabled";
};

&pcie1_rc {
	pinctrl-names = "default";
	pinctrl-0 = <&minipcie_pins_default>;

	num-lanes = <1>;
	phys = <&serdes1 PHY_TYPE_PCIE 0>;
	phy-names = "pcie-phy0";
	reset-gpios = <&wkup_gpio0 27 GPIO_ACTIVE_HIGH>;
	status = "okay";
};

&dwc3_0 {
	assigned-clock-parents = <&k3_clks 151 4>,  /* set REF_CLK to 20MHz i.e. PER0_PLL/48 */
				 <&k3_clks 151 8>;  /* set PIPE3_TXB_CLK to WIZ8B2M4VSB */
	phys = <&serdes0 PHY_TYPE_USB3 0>;
	phy-names = "usb3-phy";
};

&usb0 {
	maximum-speed = "super-speed";
	snps,dis-u1-entry-quirk;
	snps,dis-u2-entry-quirk;
};