xref: /linux/arch/loongarch/boot/dts/loongson-2k1000-ref.dts (revision 4b660dbd9ee2059850fd30e0df420ca7a38a1856) 
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-2k1000.dtsi"
9
10/ {
11	compatible = "loongson,ls2k1000-ref", "loongson,ls2k1000";
12	model = "Loongson-2K1000 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 0x06e00000>,
25		      <0x0 0x08000000 0x0 0x07000000>,
26		      <0x0 0x90000000 0x1 0xe0000000>;
27	};
28
29	reserved-memory {
30		#address-cells = <2>;
31		#size-cells = <2>;
32		ranges;
33
34		linux,cma {
35			compatible = "shared-dma-pool";
36			reusable;
37			size = <0x0 0x2000000>;
38			linux,cma-default;
39		};
40	};
41};
42
43&gmac0 {
44	status = "okay";
45
46	phy-mode = "rgmii";
47	phy-handle = <&phy0>;
48	mdio {
49		compatible = "snps,dwmac-mdio";
50		#address-cells = <1>;
51		#size-cells = <0>;
52		phy0: ethernet-phy@0 {
53			reg = <0>;
54		};
55	};
56};
57
58&gmac1 {
59	status = "okay";
60
61	phy-mode = "rgmii";
62	phy-handle = <&phy1>;
63	mdio {
64		compatible = "snps,dwmac-mdio";
65		#address-cells = <1>;
66		#size-cells = <0>;
67		phy1: ethernet-phy@1 {
68			reg = <16>;
69		};
70	};
71};
72
73&i2c2 {
74	status = "okay";
75
76	pinctrl-0 = <&i2c0_pins_default>;
77	pinctrl-names = "default";
78
79	#address-cells = <1>;
80	#size-cells = <0>;
81	eeprom@57 {
82		compatible = "atmel,24c16";
83		reg = <0x57>;
84		pagesize = <16>;
85	};
86};
87
88&spi0 {
89	status = "okay";
90
91	#address-cells = <1>;
92	#size-cells = <0>;
93	spidev@0 {
94		compatible = "rohm,dh2228fv";
95		spi-max-frequency = <100000000>;
96		reg = <0>;
97	};
98};
99
100&ehci0 {
101	status = "okay";
102};
103
104&ohci0 {
105	status = "okay";
106};
107
108&sata {
109	status = "okay";
110};
111
112&uart0 {
113	status = "okay";
114};
115
116&clk {
117	status = "okay";
118};
119
120&rtc0 {
121	status = "okay";
122};
123
124&pctrl {
125	status = "okay";
126
127	sdio_pins_default: sdio-pins {
128		sdio-pinmux {
129			groups = "sdio";
130			function = "sdio";
131		};
132		sdio-det-pinmux {
133			groups = "pwm2";
134			function = "gpio";
135		};
136	};
137
138	pwm1_pins_default: pwm1-pins {
139		pinmux {
140			groups = "pwm1";
141			function = "pwm1";
142		};
143	};
144
145	pwm0_pins_default: pwm0-pins {
146		pinmux {
147			groups = "pwm0";
148			function = "pwm0";
149		};
150	};
151
152	i2c1_pins_default: i2c1-pins {
153		pinmux {
154			groups = "i2c1";
155			function = "i2c1";
156		};
157	};
158
159	i2c0_pins_default: i2c0-pins {
160		pinmux {
161			groups = "i2c0";
162			function = "i2c0";
163		};
164	};
165
166	nand_pins_default: nand-pins {
167		pinmux {
168			groups = "nand";
169			function = "nand";
170		};
171	};
172
173	hda_pins_default: hda-pins {
174		grp0-pinmux {
175			groups = "hda";
176			function = "hda";
177		};
178		grp1-pinmux {
179			groups = "i2s";
180			function = "gpio";
181		};
182	};
183};
184