1 // SPDX-License-Identifier: GPL-2.0
2 /*
3 * Copyright (C) 2023 Loongson Technology Corporation Limited
4 */
5
6 /dts-v1/;
7
8 #include "loongson-2k2000.dtsi"
9
10 / {
11 compatible = "loongson,ls2k2000-ref", "loongson,ls2k2000";
12 model = "Loongson-2K2000 Reference Board";
13
14 aliases {
15 serial0 = &uart0;
16 };
17
18 chosen {
19 stdout-path = "serial0:115200n8";
20 };
21
22 memory@200000 {
23 device_type = "memory";
24 reg = <0x0 0x00200000 0x0 0x0ee00000>,
25 <0x0 0x90000000 0x0 0x70000000>;
26 };
27
28 reserved-memory {
29 #address-cells = <2>;
30 #size-cells = <2>;
31 ranges;
32
33 linux,cma {
34 compatible = "shared-dma-pool";
35 reusable;
36 size = <0x0 0x2000000>;
37 linux,cma-default;
38 };
39 };
40 };
41
42 &sata {
43 status = "okay";
44 };
45
46 &uart0 {
47 status = "okay";
48 };
49
50 &rtc0 {
51 status = "okay";
52 };
53
54 &xhci0 {
55 status = "okay";
56 };
57
58 &xhci1 {
59 status = "okay";
60 };
61
62 &gmac0 {
63 status = "okay";
64
65 phy-mode = "gmii";
66 phy-handle = <&phy0>;
67 mdio {
68 compatible = "snps,dwmac-mdio";
69 #address-cells = <1>;
70 #size-cells = <0>;
71 phy0: ethernet-phy@0 {
72 reg = <2>;
73 };
74 };
75 };
76
77 &gmac1 {
78 status = "okay";
79
80 phy-mode = "gmii";
81 phy-handle = <&phy1>;
82 mdio {
83 compatible = "snps,dwmac-mdio";
84 #address-cells = <1>;
85 #size-cells = <0>;
86 phy1: ethernet-phy@1 {
87 reg = <2>;
88 };
89 };
90 };
91
92 &gmac2 {
93 status = "okay";
94
95 phy-mode = "rgmii-id";
96 phy-handle = <&phy2>;
97 mdio {
98 compatible = "snps,dwmac-mdio";
99 #address-cells = <1>;
100 #size-cells = <0>;
101 phy2: ethernet-phy@2 {
102 reg = <0>;
103 };
104 };
105 };
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