arch/arm/boot/dts/socfpga_arria5_socdk.dts

   1 /*
   2  *  Copyright (C) 2013 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
  18 #include "socfpga_arria5.dtsi"
  19
  20 / {
  21         model = "Altera SOCFPGA Arria V SoC Development Kit";
  22         compatible = "altr,socfpga-arria5", "altr,socfpga";
  23
  24         chosen {
  25                 bootargs = "earlyprintk";
  26                 stdout-path = "serial0:115200n8";
  27         };
  28
  29         memory {
  30                 name = "memory";
  31                 device_type = "memory";
  32                 reg = <0x0 0x40000000>; /* 1GB */
  33         };
  34
  35         aliases {
  36                 /* this allow the ethaddr uboot environmnet variable contents
  37                 * to be added to the gmac1 device tree blob.
  38                 */
  39                 ethernet0 = &gmac1;
  40         };
  41
  42         leds {
  43                 compatible = "gpio-leds";
  44                 hps0 {
  45                         label = "hps_led0";
  46                         gpios = <&porta 0 1>;
  47                 };
  48
  49                 hps1 {
  50                         label = "hps_led1";
  51                         gpios = <&portb 11 1>;
  52                 };
  53
  54                 hps2 {
  55                         label = "hps_led2";
  56                         gpios = <&porta 17 1>;
  57                 };
  58
  59                 hps3 {
  60                         label = "hps_led3";
  61                         gpios = <&porta 18 1>;
  62                 };
  63         };
  64
  65         regulator_3_3v: 3-3-v-regulator {
  66                 compatible = "regulator-fixed";
  67                 regulator-name = "3.3V";
  68                 regulator-min-microvolt = <3300000>;
  69                 regulator-max-microvolt = <3300000>;
  70         };
  71 };
  72
  73 &gmac1 {
  74         status = "okay";
  75         phy-mode = "rgmii";
  76
  77         rxd0-skew-ps = <0>;
  78         rxd1-skew-ps = <0>;
  79         rxd2-skew-ps = <0>;
  80         rxd3-skew-ps = <0>;
  81         txen-skew-ps = <0>;
  82         txc-skew-ps = <2600>;
  83         rxdv-skew-ps = <0>;
  84         rxc-skew-ps = <2000>;
  85 };
  86
  87 &gpio0 {
  88         status = "okay";
  89 };
  90
  91 &gpio1 {
  92         status = "okay";
  93 };
  94
  95 &gpio2 {
  96         status = "okay";
  97 };
  98
  99 &i2c0 {
 100         status = "okay";
 101         clock-frequency = <100000>;
 102
 103         /*
 104          * adjust the falling times to decrease the i2c frequency to 50Khz
 105          * because the LCD module does not work at the standard 100Khz
 106          */
 107         i2c-sda-falling-time-ns = <5000>;
 108         i2c-scl-falling-time-ns = <5000>;
 109
 110         eeprom@51 {
 111                 compatible = "atmel,24c32";
 112                 reg = <0x51>;
 113                 pagesize = <32>;
 114         };
 115
 116         rtc@68 {
 117                 compatible = "dallas,ds1339";
 118                 reg = <0x68>;
 119         };
 120 };
 121
 122 &mmc0 {
 123         vmmc-supply = <&regulator_3_3v>;
 124         vqmmc-supply = <&regulator_3_3v>;
 125         status = "okay";
 126 };
 127
 128 &qspi {
 129         status = "okay";
 130
 131         flash: flash@0 {
 132                 #address-cells = <1>;
 133                 #size-cells = <1>;
 134                 compatible = "n25q256a";
 135                 reg = <0>;
 136                 spi-max-frequency = <100000000>;
 137
 138                 m25p,fast-read;
 139                 cdns,page-size = <256>;
 140                 cdns,block-size = <16>;
 141                 cdns,read-delay = <4>;
 142                 cdns,tshsl-ns = <50>;
 143                 cdns,tsd2d-ns = <50>;
 144                 cdns,tchsh-ns = <4>;
 145                 cdns,tslch-ns = <4>;
 146
 147                 partition@qspi-boot {
 148                         /* 8MB for raw data. */
 149                         label = "Flash 0 Raw Data";
 150                         reg = <0x0 0x800000>;
 151                 };
 152
 153                 partition@qspi-rootfs {
 154                         /* 120MB for jffs2 data. */
 155                         label = "Flash 0 jffs2 Filesystem";
 156                         reg = <0x800000 0x7800000>;
 157                 };
 158         };
 159 };
 160
 161 &usb1 {
 162         status = "okay";
 163 };