arch/arc/boot/dts/nsimosci_hs_idu.dts

   1 /*
   2  * Copyright (C) 2014-15 Synopsys, Inc. (www.synopsys.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 version 2 as
   6  * published by the Free Software Foundation.
   7  */
   8 /dts-v1/;
   9
  10 /include/ "skeleton_hs_idu.dtsi"
  11
  12 / {
  13         compatible = "snps,nsimosci_hs";
  14         #address-cells = <1>;
  15         #size-cells = <1>;
  16         interrupt-parent = <&core_intc>;
  17
  18         chosen {
  19                 /* this is for console on serial */
  20                 bootargs = "earlycon=uart8250,mmio32,0xf0000000,115200n8 console=tty0 console=ttyS0,115200n8 consoleblan=0 debug";
  21         };
  22
  23         aliases {
  24                 serial0 = &uart0;
  25         };
  26
  27         fpga {
  28                 compatible = "simple-bus";
  29                 #address-cells = <1>;
  30                 #size-cells = <1>;
  31
  32                 /* child and parent address space 1:1 mapped */
  33                 ranges;
  34
  35                 core_clk: core_clk {
  36                         #clock-cells = <0>;
  37                         compatible = "fixed-clock";
  38                         clock-frequency = <5000000>;
  39                 };
  40
  41                 core_intc: core-interrupt-controller {
  42                         compatible = "snps,archs-intc";
  43                         interrupt-controller;
  44                         #interrupt-cells = <1>;
  45 /*                      interrupts = <16 17 18 19 20 21 22 23 24 25>; */
  46                 };
  47
  48                 idu_intc: idu-interrupt-controller {
  49                         compatible = "snps,archs-idu-intc";
  50                         interrupt-controller;
  51                         interrupt-parent = <&core_intc>;
  52
  53                         /*
  54                          * <hwirq  distribution>
  55                          * distribution: 0=RR; 1=cpu0, 2=cpu1, 4=cpu2, 8=cpu3
  56                          */
  57                         #interrupt-cells = <2>;
  58
  59                         /*
  60                          * upstream irqs to core intc - downstream these are
  61                          * "COMMON" irq 0,1..
  62                          */
  63                         interrupts = <24 25 26 27 28 29 30 31>;
  64                 };
  65
  66                 uart0: serial@f0000000 {
  67                         compatible = "ns8250";
  68                         reg = <0xf0000000 0x2000>;
  69                         interrupt-parent = <&idu_intc>;
  70                         interrupts = <0 0>; /* cmn irq 0 -> cpu irq 24
  71                                                 RR distribute to all cpus */
  72                         clock-frequency = <3686400>;
  73                         baud = <115200>;
  74                         reg-shift = <2>;
  75                         reg-io-width = <4>;
  76                         no-loopback-test = <1>;
  77                 };
  78
  79                 pgu0: pgu@f9000000 {
  80                         compatible = "snps,arcpgufb";
  81                         reg = <0xf9000000 0x400>;
  82                 };
  83
  84                 ps2: ps2@f9001000 {
  85                         compatible = "snps,arc_ps2";
  86                         reg = <0xf9000400 0x14>;
  87                         interrupts = <3 0>;
  88                         interrupt-parent = <&idu_intc>;
  89                         interrupt-names = "arc_ps2_irq";
  90                 };
  91
  92                 eth0: ethernet@f0003000 {
  93                         compatible = "ezchip,nps-mgt-enet";
  94                         reg = <0xf0003000 0x44>;
  95                         interrupt-parent = <&idu_intc>;
  96                         interrupts = <1 2>;
  97                 };
  98
  99                 arcpct0: pct {
 100                         compatible = "snps,archs-pct";
 101                         #interrupt-cells = <1>;
 102                         interrupts = <20>;
 103                 };
 104         };
 105 };