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";
29 bootargs = "earlyprintk";
30 stdout-path = "serial0:115200n8";
35 device_type = "memory";
36 reg = <0x0 0x40000000>; /* 1GB */
41 compatible = "gpio-leds";
45 gpios = <&a10sr_gpio 0 1>;
50 gpios = <&a10sr_gpio 1 1>;
55 gpios = <&a10sr_gpio 2 1>;
60 gpios = <&a10sr_gpio 3 1>;
71 phy-addr = <0xffffffff>; /* probe for phy addr */
74 * These skews assume the user's FPGA design is adding 600ps of delay
75 * for TX_CLK on Arria 10.
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.
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>;
105 compatible = "altr,a10sr";
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>;
114 a10sr_gpio: gpio-controller {
115 compatible = "altr,a10sr-gpio";
120 a10sr_rst: reset-controller {
121 compatible = "altr,a10sr-reset";
131 * adjust the falling times to decrease the i2c frequency to 50Khz
132 * because the LCD module does not work at the standard 100Khz
134 clock-frequency = <100000>;
135 i2c-sda-falling-time-ns = <6000>;
136 i2c-scl-falling-time-ns = <6000>;
139 compatible = "atmel,24c32";
145 compatible = "dallas,ds1339";
150 compatible = "ltc2977";
156 clock-frequency = <50000000>;
163 disable-over-current;