1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (c) Siemens AG, 2018-2023
4 *
5 * Authors:
6 * Chao Zeng <chao.zeng@siemens.com>
7 * Jan Kiszka <jan.kiszka@siemens.com>
8 *
9 * AM6548-based (quad-core) IOT2050 M.2 varian
10 * Generation 2), 2 GB RAM, 16 GB eMMC, USB-se
11 *
12 * Product homepage:
13 * https://new.siemens.com/global/en/products/
14 */
15
16 #include "k3-am6548-iot2050-advanced-common.dt
17 #include "k3-am65-iot2050-common-pg2.dtsi"
18 #include "k3-am65-iot2050-arduino-connector.dt
19 #include "k3-am65-iot2050-dp.dtsi"
20
21 / {
22 compatible = "siemens,iot2050-advanced
23 model = "SIMATIC IOT2050 Advanced M2";
24 };
25
26 &main_pmx0 {
27 main_bkey_pcie_reset: main-bkey-pcie-r
28 pinctrl-single,pins = <
29 AM65X_IOPAD(0x01bc, PI
30 >;
31 };
32
33 main_pmx0_m2_config_pins_default: main
34 pinctrl-single,pins = <
35 AM65X_IOPAD(0x01c8, PI
36 AM65X_IOPAD(0x01cc, PI
37 >;
38 };
39
40 main_m2_pcie_mux_control: main-m2-pcie
41 pinctrl-single,pins = <
42 AM65X_IOPAD(0x0148, PI
43 AM65X_IOPAD(0x0160, PI
44 AM65X_IOPAD(0x0164, PI
45 >;
46 };
47 };
48
49 &main_pmx1 {
50 main_pmx1_m2_config_pins_default: main
51 pinctrl-single,pins = <
52 AM65X_IOPAD(0x0018, PI
53 AM65X_IOPAD(0x001c, PI
54 >;
55 };
56 };
57
58 &main_gpio0 {
59 pinctrl-names = "default";
60 pinctrl-0 = <&main_m2_pcie_mux_control
61 };
62
63 &main_gpio1 {
64 pinctrl-names = "default";
65 pinctrl-0 =
66 <&main_pcie_enable_pins_defaul
67 <&main_pmx0_m2_config_pins_def
68 <&main_pmx1_m2_config_pins_def
69 <&cp2102n_reset_pin_default>;
70 };
71
72 /*
73 * Base configuration for B-key slot with PCIe
74 * Firmware switches to other modes via device
75 */
76
77 &serdes0 {
78 assigned-clocks = <&k3_clks 153 4>, <&
79 assigned-clock-parents = <&k3_clks 153
80 };
81
82 &pcie0_rc {
83 pinctrl-names = "default";
84 pinctrl-0 = <&main_bkey_pcie_reset>;
85
86 num-lanes = <2>;
87 phys = <&serdes0 PHY_TYPE_PCIE 1>, <&s
88 phy-names = "pcie-phy0","pcie-phy1";
89 reset-gpios = <&main_gpio1 15 GPIO_ACT
90 status = "okay";
91 };
92
93 &pcie1_rc {
94 status = "disabled";
95 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.