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.dtsi"
20 model = "Altera SOCFPGA Arria 10";
21 compatible = "altr,socfpga-arria10", "altr,socfpga";
24 bootargs = "earlyprintk";
25 stdout-path = "serial1:115200n8";
30 device_type = "memory";
31 reg = <0x0 0x40000000>; /* 1GB */
38 clock-frequency = <25000000>;
47 phy-addr = <0xffffffff>; /* probe for phy addr */
50 * These skews assume the user's FPGA design is adding 600ps of delay
51 * for TX_CLK on Arria 10.
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.
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>;
78 * adjust the falling times to decrease the i2c frequency to 50Khz
79 * because the LCD module does not work at the standard 100Khz
81 i2c-sda-falling-time-ns = <6000>;
82 i2c-scl-falling-time-ns = <6000>;
85 compatible = "atmel,24c32";
91 compatible = "dallas,ds1339";