1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3 * Copyright (C) 2013 Altera Corporation <www.altera.com>
4 */
5
6 #include "socfpga_arria5.dtsi"
7
8 / {
9 model = "Altera SOCFPGA Arria V SoC Development Kit";
10 compatible = "altr,socfpga-arria5-socdk", "altr,socfpga-arria5", "altr,socfpga";
11
12 chosen {
13 bootargs = "earlyprintk";
14 stdout-path = "serial0:115200n8";
15 };
16
17 memory@0 {
18 name = "memory";
19 device_type = "memory";
20 reg = <0x0 0x40000000>; /* 1GB */
21 };
22
23 aliases {
24 /* this allow the ethaddr uboot environmnet variable contents
25 * to be added to the gmac1 device tree blob.
26 */
27 ethernet0 = &gmac1;
28 };
29
30 leds {
31 compatible = "gpio-leds";
32 led-hps0 {
33 label = "hps_led0";
34 gpios = <&porta 0 1>;
35 };
36
37 led-hps1 {
38 label = "hps_led1";
39 gpios = <&portb 11 1>;
40 };
41
42 led-hps2 {
43 label = "hps_led2";
44 gpios = <&porta 17 1>;
45 };
46
47 led-hps3 {
48 label = "hps_led3";
49 gpios = <&porta 18 1>;
50 };
51 };
52
53 regulator_3_3v: regulator {
54 compatible = "regulator-fixed";
55 regulator-name = "3.3V";
56 regulator-min-microvolt = <3300000>;
57 regulator-max-microvolt = <3300000>;
58 };
59 };
60
61 &gmac1 {
62 status = "okay";
63 phy-mode = "rgmii";
64
65 rxd0-skew-ps = <0>;
66 rxd1-skew-ps = <0>;
67 rxd2-skew-ps = <0>;
68 rxd3-skew-ps = <0>;
69 txen-skew-ps = <0>;
70 txc-skew-ps = <2600>;
71 rxdv-skew-ps = <0>;
72 rxc-skew-ps = <2000>;
73 };
74
75 &gpio0 {
76 status = "okay";
77 };
78
79 &gpio1 {
80 status = "okay";
81 };
82
83 &gpio2 {
84 status = "okay";
85 };
86
87 &i2c0 {
88 status = "okay";
89 clock-frequency = <100000>;
90
91 /*
92 * adjust the falling times to decrease the i2c frequency to 50Khz
93 * because the LCD module does not work at the standard 100Khz
94 */
95 i2c-sda-falling-time-ns = <5000>;
96 i2c-scl-falling-time-ns = <5000>;
97
98 eeprom@51 {
99 compatible = "atmel,24c32";
100 reg = <0x51>;
101 pagesize = <32>;
102 };
103
104 rtc@68 {
105 compatible = "dallas,ds1339";
106 reg = <0x68>;
107 };
108 };
109
110 &mmc0 {
111 vmmc-supply = <®ulator_3_3v>;
112 vqmmc-supply = <®ulator_3_3v>;
113 status = "okay";
114 };
115
116 &qspi {
117 status = "okay";
118
119 flash: flash@0 {
120 #address-cells = <1>;
121 #size-cells = <1>;
122 compatible = "micron,n25q256a", "jedec,spi-nor";
123 reg = <0>;
124 spi-max-frequency = <100000000>;
125
126 m25p,fast-read;
127 cdns,read-delay = <4>;
128 cdns,tshsl-ns = <50>;
129 cdns,tsd2d-ns = <50>;
130 cdns,tchsh-ns = <4>;
131 cdns,tslch-ns = <4>;
132
133 partition@qspi-boot {
134 /* 8MB for raw data. */
135 label = "Flash 0 Raw Data";
136 reg = <0x0 0x800000>;
137 };
138
139 partition@qspi-rootfs {
140 /* 120MB for jffs2 data. */
141 label = "Flash 0 jffs2 Filesystem";
142 reg = <0x800000 0x7800000>;
143 };
144 };
145 };
146
147 &usb1 {
148 status = "okay";
149 };
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