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_socdk_sdmmc_handoff.dtsi"
18
19/ {
20	model = "Altera SOCFPGA Arria 10";
21	compatible = "altr,socfpga-arria10", "altr,socfpga";
22
23	aliases {
24		ethernet0 = &gmac0;
25		serial0 = &uart1;
26	};
27
28	chosen {
29		bootargs = "earlyprintk";
30		stdout-path = "serial0:115200n8";
31	};
32
33	memory@0 {
34		name = "memory";
35		device_type = "memory";
36		reg = <0x0 0x40000000>; /* 1GB */
37	};
38
39	a10leds {
40		compatible = "gpio-leds";
41
42		a10sr_led0 {
43			label = "a10sr-led0";
44			gpios = <&a10sr_gpio 0 1>;
45		};
46
47		a10sr_led1 {
48			label = "a10sr-led1";
49			gpios = <&a10sr_gpio 1 1>;
50		};
51
52		a10sr_led2 {
53			label = "a10sr-led2";
54			gpios = <&a10sr_gpio 2 1>;
55		};
56
57		a10sr_led3 {
58			label = "a10sr-led3";
59			gpios = <&a10sr_gpio 3 1>;
60		};
61	};
62
63	soc {
64		u-boot,dm-pre-reloc;
65	};
66};
67
68&gmac0 {
69	phy-mode = "rgmii";
70	phy-addr = <0xffffffff>; /* probe for phy addr */
71
72	/*
73	 * These skews assume the user's FPGA design is adding 600ps of delay
74	 * for TX_CLK on Arria 10.
75	 *
76	 * All skews are offset since hardware skew values for the ksz9031
77	 * range from a negative skew to a positive skew.
78	 * See the micrel-ksz90x1.txt Documentation file for details.
79	 */
80	txd0-skew-ps = <0>; /* -420ps */
81	txd1-skew-ps = <0>; /* -420ps */
82	txd2-skew-ps = <0>; /* -420ps */
83	txd3-skew-ps = <0>; /* -420ps */
84	rxd0-skew-ps = <420>; /* 0ps */
85	rxd1-skew-ps = <420>; /* 0ps */
86	rxd2-skew-ps = <420>; /* 0ps */
87	rxd3-skew-ps = <420>; /* 0ps */
88	txen-skew-ps = <0>; /* -420ps */
89	txc-skew-ps = <1860>; /* 960ps */
90	rxdv-skew-ps = <420>; /* 0ps */
91	rxc-skew-ps = <1680>; /* 780ps */
92	max-frame-size = <3800>;
93	status = "okay";
94};
95
96&gpio1 {
97	status = "okay";
98};
99
100&spi1 {
101	status = "okay";
102
103	resource-manager@0 {
104		compatible = "altr,a10sr";
105		reg = <0>;
106		spi-max-frequency = <100000>;
107		/* low-level active IRQ at GPIO1_5 */
108		interrupt-parent = <&portb>;
109		interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
110		interrupt-controller;
111		#interrupt-cells = <2>;
112
113		a10sr_gpio: gpio-controller {
114			compatible = "altr,a10sr-gpio";
115			gpio-controller;
116			#gpio-cells = <2>;
117		};
118
119		a10sr_rst: reset-controller {
120			compatible = "altr,a10sr-reset";
121			#reset-cells = <1>;
122		};
123	};
124};
125
126&i2c1 {
127	status = "okay";
128
129	/*
130	 * adjust the falling times to decrease the i2c frequency to 50Khz
131	 * because the LCD module does not work at the standard 100Khz
132	 */
133	clock-frequency = <100000>;
134	i2c-sda-falling-time-ns = <6000>;
135	i2c-scl-falling-time-ns = <6000>;
136
137	eeprom@51 {
138		compatible = "atmel,24c32";
139		reg = <0x51>;
140		pagesize = <32>;
141	};
142
143	rtc@68 {
144		compatible = "dallas,ds1339";
145		reg = <0x68>;
146	};
147
148	ltc@5c {
149		compatible = "ltc2977";
150		reg = <0x5c>;
151	};
152};
153
154&uart1 {
155	clock-frequency = <50000000>;
156	u-boot,dm-pre-reloc;
157	status = "okay";
158};
159
160&usb0 {
161	status = "okay";
162	disable-over-current;
163};
164
165&watchdog1 {
166	status = "okay";
167};
168