arch/arm/boot/dts/socfpga_arria10_socdk.dtsi

   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.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 {
  34                 name = "memory";
  35                 device_type = "memory";
  36                 reg = <0x0 0x40000000>; /* 1GB */
  37         };
  38
  39         a10leds {
  40                 compatible = "gpio-leds";
  41
  42                 a10sr_led0 {
  43                         label = "a10sr-led0";
  44                         gpios = <&a10sr_gpio 0 1>;
  45                 };
  46
  47                 a10sr_led1 {
  48                         label = "a10sr-led1";
  49                         gpios = <&a10sr_gpio 1 1>;
  50                 };
  51
  52                 a10sr_led2 {
  53                         label = "a10sr-led2";
  54                         gpios = <&a10sr_gpio 2 1>;
  55                 };
  56
  57                 a10sr_led3 {
  58                         label = "a10sr-led3";
  59                         gpios = <&a10sr_gpio 3 1>;
  60                 };
  61         };
  62
  63         soc {
  64                 clkmgr@ffd04000 {
  65                         clocks {
  66                                 osc1 {
  67                                         clock-frequency = <25000000>;
  68                                 };
  69                         };
  70                 };
  71         };
  72 };
  73
  74 &gmac0 {
  75         phy-mode = "rgmii";
  76         phy-addr = <0xffffffff>; /* probe for phy addr */
  77
  78         /*
  79          * These skews assume the user's FPGA design is adding 600ps of delay
  80          * for TX_CLK on Arria 10.
  81          *
  82          * All skews are offset since hardware skew values for the ksz9031
  83          * range from a negative skew to a positive skew.
  84          * See the micrel-ksz90x1.txt Documentation file for details.
  85          */
  86         txd0-skew-ps = <0>; /* -420ps */
  87         txd1-skew-ps = <0>; /* -420ps */
  88         txd2-skew-ps = <0>; /* -420ps */
  89         txd3-skew-ps = <0>; /* -420ps */
  90         rxd0-skew-ps = <420>; /* 0ps */
  91         rxd1-skew-ps = <420>; /* 0ps */
  92         rxd2-skew-ps = <420>; /* 0ps */
  93         rxd3-skew-ps = <420>; /* 0ps */
  94         txen-skew-ps = <0>; /* -420ps */
  95         txc-skew-ps = <1860>; /* 960ps */
  96         rxdv-skew-ps = <420>; /* 0ps */
  97         rxc-skew-ps = <1680>; /* 780ps */
  98         max-frame-size = <3800>;
  99         status = "okay";
 100 };
 101
 102 &gpio1 {
 103         status = "okay";
 104 };
 105
 106 &spi1 {
 107         status = "okay";
 108
 109         resource-manager@0 {
 110                 compatible = "altr,a10sr";
 111                 reg = <0>;
 112                 spi-max-frequency = <100000>;
 113                 /* low-level active IRQ at GPIO1_5 */
 114                 interrupt-parent = <&portb>;
 115                 interrupts = <5 IRQ_TYPE_LEVEL_LOW>;
 116                 interrupt-controller;
 117                 #interrupt-cells = <2>;
 118
 119                 a10sr_gpio: gpio-controller {
 120                         compatible = "altr,a10sr-gpio";
 121                         gpio-controller;
 122                         #gpio-cells = <2>;
 123                 };
 124         };
 125 };
 126
 127 &i2c1 {
 128         speed-mode = <0>;
 129         status = "okay";
 130
 131         /*
 132          * adjust the falling times to decrease the i2c frequency to 50Khz
 133          * because the LCD module does not work at the standard 100Khz
 134          */
 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
 150 &uart1 {
 151         status = "okay";
 152 };
 153
 154 &usb0 {
 155         status = "okay";
 156 };