linux/Documentation/devicetree/bindings/video/exynos_hdmiphy.txt
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   1Device-Tree bindings for hdmiphy driver
   2
   3Required properties:
   4- compatible: value should be one of the following:
   5        1) "samsung,exynos5-hdmiphy" <DEPRECATED>
   6        2) "samsung,exynos4210-hdmiphy".
   7        3) "samsung,exynos4212-hdmiphy".
   8- reg: I2C address of the hdmiphy device.
   9
  10Example:
  11
  12        hdmiphy {
  13                compatible = "samsung,exynos4210-hdmiphy";
  14                reg = <0x38>;
  15        };
  16