1 // SPDX-License-Identifier: GPL-2.0+ OR MIT
2 //
3 // Device Tree Source for UniPhier LD20 Reference Board
4 //
5 // Copyright (C) 2015-2016 Socionext Inc.
6 // Author: Masahiro Yamada <yamada.masahiro@socionext.com>
7
8 /dts-v1/;
9 #include "uniphier-ld20.dtsi"
10 #include "uniphier-ref-daughter.dtsi"
11 #include "uniphier-support-card.dtsi"
12
13 / {
14 model = "UniPhier LD20 Reference Board";
15 compatible = "socionext,uniphier-ld20-ref", "socionext,uniphier-ld20";
16
17 chosen {
18 stdout-path = "serial0:115200n8";
19 };
20
21 aliases {
22 serial0 = &serial0;
23 serial1 = &serialsc;
24 serial2 = &serial2;
25 serial3 = &serial3;
26 i2c0 = &i2c0;
27 i2c1 = &i2c1;
28 i2c2 = &i2c2;
29 i2c3 = &i2c3;
30 i2c4 = &i2c4;
31 i2c5 = &i2c5;
32 ethernet0 = ð
33 };
34
35 memory@80000000 {
36 device_type = "memory";
37 reg = <0 0x80000000 0 0xc0000000>;
38 };
39 };
40
41 ðsc {
42 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
43 };
44
45 &serialsc {
46 interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
47 };
48
49 &serial0 {
50 status = "okay";
51 };
52
53 &gpio {
54 xirq0-hog {
55 gpio-hog;
56 gpios = <UNIPHIER_GPIO_IRQ(0) 0>;
57 input;
58 };
59 };
60
61 &i2c0 {
62 status = "okay";
63 };
64
65 ð {
66 status = "okay";
67 phy-handle = <ðphy>;
68 };
69
70 &mdio {
71 ethphy: ethernet-phy@0 {
72 reg = <0>;
73 };
74 };
75
76 &pinctrl_ether_rgmii {
77 tx {
78 pins = "RGMII_TXCLK", "RGMII_TXD0", "RGMII_TXD1",
79 "RGMII_TXD2", "RGMII_TXD3", "RGMII_TXCTL";
80 drive-strength = <9>;
81 };
82 };
83
84 &usb {
85 status = "okay";
86 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.