linux/Documentation/devicetree/bindings/iommu/nvidia,tegra20-gart.txt
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   1NVIDIA Tegra 20 GART
   2
   3Required properties:
   4- compatible: "nvidia,tegra20-gart"
   5- reg: Two pairs of cells specifying the physical address and size of
   6  the memory controller registers and the GART aperture respectively.
   7
   8Example:
   9
  10        gart {
  11                compatible = "nvidia,tegra20-gart";
  12                reg = <0x7000f024 0x00000018    /* controller registers */
  13                       0x58000000 0x02000000>;  /* GART aperture */
  14        };
  15