arch/arm/dts/socfpga_cyclone5_socrates.dts

   1 /*
   2  *  Copyright (C) 2014 Steffen Trumtrar <s.trumtrar@pengutronix.de>
   3  *
   4  * SPDX-License-Identifier:     GPL-2.0+
   5  */
   6
   7 #include "socfpga_cyclone5.dtsi"
   8
   9 / {
  10         model = "EBV SOCrates";
  11         compatible = "ebv,socrates", "altr,socfpga-cyclone5", "altr,socfpga";
  12
  13         chosen {
  14                 bootargs = "console=ttyS0,115200";
  15         };
  16
  17         aliases {
  18                 /*
  19                  * This allows the ethaddr uboot environment variable
  20                  * contents to be added to the gmac1 device tree blob.
  21                  */
  22                 ethernet0 = &gmac1;
  23                 udc0 = &usb1;
  24         };
  25
  26         memory {
  27                 name = "memory";
  28                 device_type = "memory";
  29                 reg = <0x0 0x40000000>; /* 1GB */
  30         };
  31
  32         soc {
  33                 u-boot,dm-pre-reloc;
  34         };
  35 };
  36
  37 &gmac1 {
  38         status = "okay";
  39         phy-mode = "rgmii";
  40
  41         rxd0-skew-ps = <0>;
  42         rxd1-skew-ps = <0>;
  43         rxd2-skew-ps = <0>;
  44         rxd3-skew-ps = <0>;
  45         txen-skew-ps = <0>;
  46         txc-skew-ps = <2600>;
  47         rxdv-skew-ps = <0>;
  48         rxc-skew-ps = <2000>;
  49 };
  50
  51 &i2c0 {
  52         status = "okay";
  53
  54         rtc: rtc@68 {
  55                 compatible = "stm,m41t82";
  56                 reg = <0x68>;
  57         };
  58 };
  59
  60 &mmc0 {
  61         status = "okay";
  62         u-boot,dm-pre-reloc;
  63 };
  64
  65 &qspi {
  66         status = "okay";
  67
  68         flash0: n25q00@0 {
  69                 #address-cells = <1>;
  70                 #size-cells = <1>;
  71                 compatible = "n25q00", "spi-flash";
  72                 reg = <0>;      /* chip select */
  73                 spi-max-frequency = <50000000>;
  74                 m25p,fast-read;
  75                 page-size = <256>;
  76                 block-size = <16>; /* 2^16, 64KB */
  77                 cdns,tshsl-ns = <50>;
  78                 cdns,tsd2d-ns = <50>;
  79                 cdns,tchsh-ns = <4>;
  80                 cdns,tslch-ns = <4>;
  81         };
  82 };
  83
  84 &usb1 {
  85         disable-over-current;
  86         status = "okay";
  87 };