2 * Copyright (C) 2015 Altera Corporation <www.altera.com>
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.
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.
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/>.
17 #include "socfpga_arria10_socdk_sdmmc_handoff.dtsi"
20 model = "Altera SOCFPGA Arria 10";
21 compatible = "altr,socfpga-arria10", "altr,socfpga";
30 bootargs = "earlyprintk";
31 stdout-path = "serial0:115200n8";
36 device_type = "memory";
37 reg = <0x0 0x40000000>; /* 1GB */
42 compatible = "gpio-leds";
46 gpios = <&a10sr_gpio 0 1>;
51 gpios = <&a10sr_gpio 1 1>;
56 gpios = <&a10sr_gpio 2 1>;
61 gpios = <&a10sr_gpio 3 1>;
72 phy-addr = <0xffffffff>; /* probe for phy addr */
75 * These skews assume the user's FPGA design is adding 600ps of delay
76 * for TX_CLK on Arria 10.
78 * All skews are offset since hardware skew values for the ksz9031
79 * range from a negative skew to a positive skew.
80 * See the micrel-ksz90x1.txt Documentation file for details.
82 txd0-skew-ps = <0>; /* -420ps */
83 txd1-skew-ps = <0>; /* -420ps */
84 txd2-skew-ps = <0>; /* -420ps */
85 txd3-skew-ps = <0>; /* -420ps */
86 rxd0-skew-ps = <420>; /* 0ps */
87 rxd1-skew-ps = <420>; /* 0ps */
88 rxd2-skew-ps = <420>; /* 0ps */
89 rxd3-skew-ps = <420>; /* 0ps */
90 txen-skew-ps = <0>; /* -420ps */
91 txc-skew-ps = <1860>; /* 960ps */
92 rxdv-skew-ps = <420>; /* 0ps */
93 rxc-skew-ps = <1680>; /* 780ps */
94 max-frame-size = <3800>;
106 compatible = "altr,a10sr";
108 spi-max-frequency = <100000>;
109 /* low-level active IRQ at GPIO1_5 */
110 interrupt-parent = <&portb>;
111 interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
112 interrupt-controller;
113 #interrupt-cells = <2>;
115 a10sr_gpio: gpio-controller {
116 compatible = "altr,a10sr-gpio";
121 a10sr_rst: reset-controller {
122 compatible = "altr,a10sr-reset";
132 * adjust the falling times to decrease the i2c frequency to 50Khz
133 * because the LCD module does not work at the standard 100Khz
135 clock-frequency = <100000>;
136 i2c-sda-falling-time-ns = <6000>;
137 i2c-scl-falling-time-ns = <6000>;
140 compatible = "atmel,24c32";
146 compatible = "dallas,ds1339";
151 compatible = "ltc2977";
163 disable-over-current;
170 /* Clock available early */
171 &main_periph_ref_clk {