1 // SPDX-License-Identifier: GPL-2.0 1 // SPDX-License-Identifier: GPL-2.0
2 /* 2 /*
3 * IOT2050 M.2 variant, overlay for B-key USB3 3 * IOT2050 M.2 variant, overlay for B-key USB3.0 + E-key PCIE1_LANE0
4 * Copyright (c) Siemens AG, 2022-2024 4 * Copyright (c) Siemens AG, 2022-2024
5 * 5 *
6 * Authors: 6 * Authors:
7 * Chao Zeng <chao.zeng@siemens.com> 7 * Chao Zeng <chao.zeng@siemens.com>
8 * Jan Kiszka <jan.kiszka@siemens.com> 8 * Jan Kiszka <jan.kiszka@siemens.com>
9 */ 9 */
10 10
11 /dts-v1/; 11 /dts-v1/;
12 /plugin/; 12 /plugin/;
13 13
14 #include <dt-bindings/phy/phy.h> 14 #include <dt-bindings/phy/phy.h>
15 #include <dt-bindings/gpio/gpio.h> 15 #include <dt-bindings/gpio/gpio.h>
16 16
17 &serdes0 { 17 &serdes0 {
18 assigned-clock-parents = <&k3_clks 153 18 assigned-clock-parents = <&k3_clks 153 7>, <&k3_clks 153 4>;
19 }; 19 };
20 20
21 &pcie0_rc { 21 &pcie0_rc {
22 status = "disabled"; 22 status = "disabled";
23 }; 23 };
24 24
25 &pcie1_rc { 25 &pcie1_rc {
26 pinctrl-names = "default"; 26 pinctrl-names = "default";
27 pinctrl-0 = <&minipcie_pins_default>; 27 pinctrl-0 = <&minipcie_pins_default>;
28 28
29 num-lanes = <1>; 29 num-lanes = <1>;
30 phys = <&serdes1 PHY_TYPE_PCIE 0>; 30 phys = <&serdes1 PHY_TYPE_PCIE 0>;
31 phy-names = "pcie-phy0"; 31 phy-names = "pcie-phy0";
32 reset-gpios = <&wkup_gpio0 27 GPIO_ACT 32 reset-gpios = <&wkup_gpio0 27 GPIO_ACTIVE_HIGH>;
33 status = "okay"; 33 status = "okay";
34 }; 34 };
35 35
36 &dwc3_0 { 36 &dwc3_0 {
37 assigned-clock-parents = <&k3_clks 151 37 assigned-clock-parents = <&k3_clks 151 4>, /* set REF_CLK to 20MHz i.e. PER0_PLL/48 */
38 <&k3_clks 151 38 <&k3_clks 151 8>; /* set PIPE3_TXB_CLK to WIZ8B2M4VSB */
39 phys = <&serdes0 PHY_TYPE_USB3 0>; 39 phys = <&serdes0 PHY_TYPE_USB3 0>;
40 phy-names = "usb3-phy"; 40 phy-names = "usb3-phy";
41 }; 41 };
42 42
43 &usb0 { 43 &usb0 {
44 maximum-speed = "super-speed"; 44 maximum-speed = "super-speed";
45 snps,dis-u1-entry-quirk; 45 snps,dis-u1-entry-quirk;
46 snps,dis-u2-entry-quirk; 46 snps,dis-u2-entry-quirk;
47 }; 47 };
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