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		u-boot,dm-pre-reloc;
38	};
39
40	a10leds {
41		compatible = "gpio-leds";
42
43		a10sr_led0 {
44			label = "a10sr-led0";
45			gpios = <&a10sr_gpio 0 1>;
46		};
47
48		a10sr_led1 {
49			label = "a10sr-led1";
50			gpios = <&a10sr_gpio 1 1>;
51		};
52
53		a10sr_led2 {
54			label = "a10sr-led2";
55			gpios = <&a10sr_gpio 2 1>;
56		};
57
58		a10sr_led3 {
59			label = "a10sr-led3";
60			gpios = <&a10sr_gpio 3 1>;
61		};
62	};
63
64	soc {
65		u-boot,dm-pre-reloc;
66	};
67};
68
69&gmac0 {
70	phy-mode = "rgmii";
71	phy-addr = <0xffffffff>; /* probe for phy addr */
72
73	/*
74	 * These skews assume the user's FPGA design is adding 600ps of delay
75	 * for TX_CLK on Arria 10.
76	 *
77	 * All skews are offset since hardware skew values for the ksz9031
78	 * range from a negative skew to a positive skew.
79	 * See the micrel-ksz90x1.txt Documentation file for details.
80	 */
81	txd0-skew-ps = <0>; /* -420ps */
82	txd1-skew-ps = <0>; /* -420ps */
83	txd2-skew-ps = <0>; /* -420ps */
84	txd3-skew-ps = <0>; /* -420ps */
85	rxd0-skew-ps = <420>; /* 0ps */
86	rxd1-skew-ps = <420>; /* 0ps */
87	rxd2-skew-ps = <420>; /* 0ps */
88	rxd3-skew-ps = <420>; /* 0ps */
89	txen-skew-ps = <0>; /* -420ps */
90	txc-skew-ps = <1860>; /* 960ps */
91	rxdv-skew-ps = <420>; /* 0ps */
92	rxc-skew-ps = <1680>; /* 780ps */
93	max-frame-size = <3800>;
94	status = "okay";
95};
96
97&gpio1 {
98	status = "okay";
99};
100
101&spi1 {
102	status = "okay";
103
104	resource-manager@0 {
105		compatible = "altr,a10sr";
106		reg = <0>;
107		spi-max-frequency = <100000>;
108		/* low-level active IRQ at GPIO1_5 */
109		interrupt-parent = <&portb>;
110		interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
111		interrupt-controller;
112		#interrupt-cells = <2>;
113
114		a10sr_gpio: gpio-controller {
115			compatible = "altr,a10sr-gpio";
116			gpio-controller;
117			#gpio-cells = <2>;
118		};
119
120		a10sr_rst: reset-controller {
121			compatible = "altr,a10sr-reset";
122			#reset-cells = <1>;
123		};
124	};
125};
126
127&i2c1 {
128	status = "okay";
129
130	/*
131	 * adjust the falling times to decrease the i2c frequency to 50Khz
132	 * because the LCD module does not work at the standard 100Khz
133	 */
134	clock-frequency = <100000>;
135	i2c-sda-falling-time-ns = <6000>;
136	i2c-scl-falling-time-ns = <6000>;
137
138	eeprom@51 {
139		compatible = "atmel,24c32";
140		reg = <0x51>;
141		pagesize = <32>;
142	};
143
144	rtc@68 {
145		compatible = "dallas,ds1339";
146		reg = <0x68>;
147	};
148
149	ltc@5c {
150		compatible = "ltc2977";
151		reg = <0x5c>;
152	};
153};
154
155&uart1 {
156	clock-frequency = <50000000>;
157	u-boot,dm-pre-reloc;
158	status = "okay";
159};
160
161&usb0 {
162	status = "okay";
163	disable-over-current;
164};
165
166&watchdog1 {
167	status = "okay";
168};
169