arch/openrisc/boot/dts/simple_smp.dts

   1 /dts-v1/;
   2 / {
   3         compatible = "opencores,or1ksim";
   4         #address-cells = <1>;
   5         #size-cells = <1>;
   6         interrupt-parent = <&pic>;
   7
   8         aliases {
   9                 uart0 = &serial0;
  10         };
  11
  12         chosen {
  13                 bootargs = "earlycon";
  14                 stdout-path = "uart0:115200";
  15         };
  16
  17         memory@0 {
  18                 device_type = "memory";
  19                 reg = <0x00000000 0x02000000>;
  20         };
  21
  22         cpus {
  23                 #address-cells = <1>;
  24                 #size-cells = <0>;
  25                 cpu@0 {
  26                         compatible = "opencores,or1200-rtlsvn481";
  27                         reg = <0>;
  28                         clock-frequency = <20000000>;
  29                 };
  30                 cpu@1 {
  31                         compatible = "opencores,or1200-rtlsvn481";
  32                         reg = <1>;
  33                         clock-frequency = <20000000>;
  34                 };
  35         };
  36
  37         ompic: ompic@98000000 {
  38                 compatible = "openrisc,ompic";
  39                 reg = <0x98000000 16>;
  40                 interrupt-controller;
  41                 #interrupt-cells = <0>;
  42                 interrupts = <1>;
  43         };
  44
  45         /*
  46          * OR1K PIC is built into CPU and accessed via special purpose
  47          * registers.  It is not addressable and, hence, has no 'reg'
  48          * property.
  49          */
  50         pic: pic {
  51                 compatible = "opencores,or1k-pic-level";
  52                 #interrupt-cells = <1>;
  53                 interrupt-controller;
  54         };
  55
  56         serial0: serial@90000000 {
  57                 compatible = "opencores,uart16550-rtlsvn105", "ns16550a";
  58                 reg = <0x90000000 0x100>;
  59                 interrupts = <2>;
  60                 clock-frequency = <20000000>;
  61         };
  62
  63 };