xref: /linux/arch/mips/boot/dts/loongson/lsgz_1b_dev.dts (revision 6a74422b9710e987c7d6b85a1ade7330b1e61626) 
1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Copyright (c) 2023-2025 Keguang Zhang <keguang.zhang@gmail.com>
4 */
5
6/dts-v1/;
7
8#include <dt-bindings/gpio/gpio.h>
9
10#include "loongson1b.dtsi"
11
12/ {
13	compatible = "loongson,lsgz-1b-dev", "loongson,ls1b";
14	model = "LSGZ_1B_DEV Board";
15
16	memory@0 {
17		device_type = "memory";
18		reg = <0x0 0x4000000>;
19	};
20
21	aliases {
22		ethernet0 = &gmac0;
23		ethernet1 = &gmac1;
24		gpio0 = &gpio0;
25		gpio1 = &gpio1;
26		serial0 = &uart2;
27		serial1 = &uart3;
28	};
29
30	chosen {
31		stdout-path = "serial0:115200n8";
32	};
33
34	leds {
35		compatible = "gpio-leds";
36
37		led9 {
38			label = "led9";
39			gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
40			linux,default-trigger = "heartbeat";
41		};
42
43		led6 {
44			label = "led6";
45			gpios = <&gpio1 7 GPIO_ACTIVE_LOW>;
46			linux,default-trigger = "nand-disk";
47		};
48	};
49
50	codec: audio-codec {
51		compatible = "realtek,alc203";
52		#sound-dai-cells = <0>;
53	};
54
55	sound {
56		compatible = "simple-audio-card";
57		simple-audio-card,name = "ls1b-alc655";
58		simple-audio-card,format = "ac97";
59		simple-audio-card,widgets =
60			"Speaker", "Line Out Jack",
61			"Line", "Line In Jack",
62			"Microphone", "Microphone Jack";
63		simple-audio-card,routing =
64			"Line Out Jack", "TX",
65			"RX", "Line In Jack",
66			"RX", "Microphone Jack";
67
68		simple-audio-card,cpu {
69			sound-dai = <&ac97>;
70		};
71
72		simple-audio-card,codec {
73			sound-dai = <&codec>;
74		};
75	};
76};
77
78&xtal {
79	clock-frequency = <33000000>;
80};
81
82&gmac0 {
83	phy-handle = <&phy0>;
84	phy-mode = "mii";
85	status = "okay";
86
87	mdio {
88		#address-cells = <1>;
89		#size-cells = <0>;
90		compatible = "snps,dwmac-mdio";
91
92		phy0: ethernet-phy@0 {
93			reg = <0x0>;
94		};
95	};
96};
97
98&gmac1 {
99	phy-handle = <&phy1>;
100	phy-mode = "mii";
101	status = "okay";
102
103	mdio {
104		compatible = "snps,dwmac-mdio";
105		#address-cells = <1>;
106		#size-cells = <0>;
107
108		phy1: ethernet-phy@0 {
109			reg = <0x0>;
110		};
111	};
112};
113
114&nand {
115	status = "okay";
116
117	nand@0 {
118		partitions {
119			compatible = "fixed-partitions";
120			#address-cells = <1>;
121			#size-cells = <1>;
122
123			partition@0 {
124				label = "kernel";
125				reg = <0x0 0x1000000>;
126			};
127
128			partition@1000000 {
129				label = "rootfs";
130				reg = <0x1000000 0x7000000>;
131			};
132		};
133	};
134};
135
136&ac97 {
137	status = "okay";
138};
139
140&ehci {
141	status = "okay";
142};
143
144&ohci {
145	status = "okay";
146};
147
148&rtc {
149	status = "okay";
150};
151
152&uart2 {
153	status = "okay";
154};
155
156&uart3 {
157	status = "okay";
158};
159
160&watchdog {
161	status = "okay";
162};
163