linux/Documentation/devicetree/bindings/c6x/soc.txt
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   1C6X System-on-Chip
   2------------------
   3
   4Required properties:
   5
   6- compatible: "simple-bus"
   7- #address-cells: must be 1
   8- #size-cells: must be 1
   9- ranges
  10
  11Optional properties:
  12
  13- model: specific SoC model
  14
  15- nodes for IP blocks within SoC
  16
  17
  18Example:
  19
  20        soc {
  21                compatible = "simple-bus";
  22                model = "tms320c6455";
  23                #address-cells = <1>;
  24                #size-cells = <1>;
  25                ranges;
  26
  27                ...
  28        };
  29