linux/Documentation/devicetree/bindings/iommu/nvidia,tegra20-gart.txt

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NVIDIA Tegra 20 GART
Required properties:
- compatible: "nvidia,tegra20-gart"
- reg: Two pairs of cells specifying the physical address and size of
the memory controller registers and the GART aperture respectively.
Example:
gart {
compatible = "nvidia,tegra20-gart";
reg = <0x7000f024 0x00000018 /* controller registers */
0x58000000 0x02000000>; /* GART aperture */
};