arch/arc/boot/dts/eznps.dts

   1 /*
   2  * Copyright(c) 2015 EZchip Technologies.
   3  *
   4  * This program is free software; you can redistribute it and/or modify it
   5  * under the terms and conditions of the GNU General Public License,
   6  * version 2, as published by the Free Software Foundation.
   7  *
   8  * This program is distributed in the hope it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  11  * more details.
  12  *
  13  * The full GNU General Public License is included in this distribution in
  14  * the file called "COPYING".
  15  */
  16
  17 /dts-v1/;
  18
  19 / {
  20         compatible = "ezchip,arc-nps";
  21         #address-cells = <1>;
  22         #size-cells = <1>;
  23         interrupt-parent = <&intc>;
  24         present-cpus = "0-1,16-17";
  25         possible-cpus = "0-4095";
  26
  27         aliases {
  28                 ethernet0 = &gmac0;
  29         };
  30
  31         chosen {
  32                 bootargs = "earlycon=uart8250,mmio32be,0xf7209000,115200n8 console=ttyS0,115200n8";
  33         };
  34
  35         memory {
  36                 device_type = "memory";
  37                 reg = <0x80000000 0x20000000>;  /* 512M */
  38         };
  39
  40         clocks {
  41                 sysclk: sysclk {
  42                         compatible = "fixed-clock";
  43                         #clock-cells = <0>;
  44                         clock-frequency = <83333333>;
  45                 };
  46         };
  47
  48         soc {
  49                 compatible = "simple-bus";
  50                 #address-cells = <1>;
  51                 #size-cells = <1>;
  52
  53                 /* child and parent address space 1:1 mapped */
  54                 ranges;
  55
  56                 intc: interrupt-controller {
  57                         compatible = "ezchip,nps400-ic";
  58                         interrupt-controller;
  59                         #interrupt-cells = <1>;
  60                 };
  61
  62                 timer0: timer_clkevt {
  63                         compatible = "snps,arc-timer";
  64                         interrupts = <3>;
  65                         clocks = <&sysclk>;
  66                 };
  67
  68                 timer1: timer_clksrc {
  69                         compatible = "ezchip,nps400-timer";
  70                         clocks = <&sysclk>;
  71                         clock-names="sysclk";
  72                 };
  73
  74                 uart@f7209000 {
  75                         compatible = "snps,dw-apb-uart";
  76                         device_type = "serial";
  77                         reg = <0xf7209000 0x100>;
  78                         interrupts = <6>;
  79                         clocks = <&sysclk>;
  80                         clock-names="baudclk";
  81                         baud = <115200>;
  82                         reg-shift = <2>;
  83                         reg-io-width = <4>;
  84                         native-endian;
  85                 };
  86
  87                 gmac0: ethernet@f7470000 {
  88                         compatible = "ezchip,nps-mgt-enet";
  89                         reg = <0xf7470000 0x1940>;
  90                         interrupts = <7>;
  91                         /* Filled in by U-Boot */
  92                         mac-address = [ 00 C0 00 F0 04 03 ];
  93                 };
  94         };
  95 };