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/*
* Copyright (C) 2015 Altera Corporation <www.altera.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "socfpga_arria10.dtsi"
/ {
model = "Altera SOCFPGA Arria 10";
compatible = "altr,socfpga-arria10", "altr,socfpga";
aliases {
ethernet0 = &gmac0;
serial0 = &uart1;
};
chosen {
bootargs = "earlyprintk";
stdout-path = "serial0:115200n8";
};
memory {
name = "memory";
device_type = "memory";
reg = <0x0 0x40000000>; /* 1GB */
};
soc {
clkmgr@ffd04000 {
clocks {
osc1 {
clock-frequency = <25000000>;
};
};
};
};
};
&gmac0 {
phy-mode = "rgmii";
phy-addr = <0xffffffff>; /* probe for phy addr */
/*
* These skews assume the user's FPGA design is adding 600ps of delay
* for TX_CLK on Arria 10.
*
* All skews are offset since hardware skew values for the ksz9031
* range from a negative skew to a positive skew.
* See the micrel-ksz90x1.txt Documentation file for details.
*/
txd0-skew-ps = <0>; /* -420ps */
txd1-skew-ps = <0>; /* -420ps */
txd2-skew-ps = <0>; /* -420ps */
txd3-skew-ps = <0>; /* -420ps */
rxd0-skew-ps = <420>; /* 0ps */
rxd1-skew-ps = <420>; /* 0ps */
rxd2-skew-ps = <420>; /* 0ps */
rxd3-skew-ps = <420>; /* 0ps */
txen-skew-ps = <0>; /* -420ps */
txc-skew-ps = <1860>; /* 960ps */
rxdv-skew-ps = <420>; /* 0ps */
rxc-skew-ps = <1680>; /* 780ps */
max-frame-size = <3800>;
status = "okay";
};
&i2c1 {
speed-mode = <0>;
status = "okay";
/*
* adjust the falling times to decrease the i2c frequency to 50Khz
* because the LCD module does not work at the standard 100Khz
*/
i2c-sda-falling-time-ns = <6000>;
i2c-scl-falling-time-ns = <6000>;
eeprom@51 {
compatible = "atmel,24c32";
reg = <0x51>;
pagesize = <32>;
};
rtc@68 {
compatible = "dallas,ds1339";
reg = <0x68>;
};
};
&uart1 {
status = "okay";
};
&usb0 {
status = "okay";
};
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