1/*
2 * Copyright (C) 2015 Altera Corporation <www.altera.com>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
16 */
17#include "socfpga_arria10.dtsi"
18
19/ {
20	model = "Altera SOCFPGA Arria 10";
21	compatible = "altr,socfpga-arria10", "altr,socfpga";
22
23	chosen {
24		bootargs = "earlyprintk";
25		stdout-path = "serial1:115200n8";
26	};
27
28	memory {
29		name = "memory";
30		device_type = "memory";
31		reg = <0x0 0x40000000>; /* 1GB */
32	};
33
34	soc {
35		clkmgr@ffd04000 {
36			clocks {
37				osc1 {
38					clock-frequency = <25000000>;
39				};
40			};
41		};
42	};
43};
44
45&gmac0 {
46	phy-mode = "rgmii";
47	phy-addr = <0xffffffff>; /* probe for phy addr */
48
49	/*
50	 * These skews assume the user's FPGA design is adding 600ps of delay
51	 * for TX_CLK on Arria 10.
52	 *
53	 * All skews are offset since hardware skew values for the ksz9031
54	 * range from a negative skew to a positive skew.
55	 * See the micrel-ksz90x1.txt Documentation file for details.
56	 */
57	txd0-skew-ps = <0>; /* -420ps */
58	txd1-skew-ps = <0>; /* -420ps */
59	txd2-skew-ps = <0>; /* -420ps */
60	txd3-skew-ps = <0>; /* -420ps */
61	rxd0-skew-ps = <420>; /* 0ps */
62	rxd1-skew-ps = <420>; /* 0ps */
63	rxd2-skew-ps = <420>; /* 0ps */
64	rxd3-skew-ps = <420>; /* 0ps */
65	txen-skew-ps = <0>; /* -420ps */
66	txc-skew-ps = <1860>; /* 960ps */
67	rxdv-skew-ps = <420>; /* 0ps */
68	rxc-skew-ps = <1680>; /* 780ps */
69	max-frame-size = <3800>;
70	status = "okay";
71};
72
73&i2c1 {
74	speed-mode = <0>;
75	status = "okay";
76
77	/*
78	 * adjust the falling times to decrease the i2c frequency to 50Khz
79	 * because the LCD module does not work at the standard 100Khz
80	 */
81	i2c-sda-falling-time-ns = <6000>;
82	i2c-scl-falling-time-ns = <6000>;
83
84	eeprom@51 {
85		compatible = "atmel,24c32";
86		reg = <0x51>;
87		pagesize = <32>;
88	};
89
90	rtc@68 {
91		compatible = "dallas,ds1339";
92		reg = <0x68>;
93	};
94};
95
96&uart1 {
97	status = "okay";
98};
99
100&usb0 {
101	status = "okay";
102};
103