linux/Documentation/devicetree/bindings/video/exynos_mixer.txt
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   1Device-Tree bindings for mixer driver
   2
   3Required properties:
   4- compatible: value should be "samsung,exynos5-mixer".
   5- reg: physical base address of the mixer and length of memory mapped
   6        region.
   7- interrupts: interrupt number to the cpu.
   8
   9Example:
  10
  11        mixer {
  12                compatible = "samsung,exynos5-mixer";
  13                reg = <0x14450000 0x10000>;
  14                interrupts = <0 94 0>;
  15        };
  16