arch/arm/dts/socfpga_cyclone5_socrates.dts

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