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* Samsung Multi Format Codec (MFC)

Multi Format Codec (MFC) is the IP present in Samsung SoCs which
supports high resolution decoding and encoding functionalities.
The MFC device driver is a v4l2 driver which can encode/decode
video raw/elementary streams and has support for all popular
video codecs.

Required properties:
  - compatible : value should be either one among the following
	(a) "samsung,mfc-v5" for MFC v5 present in Exynos4 SoCs
	(b) "samsung,mfc-v6" for MFC v6 present in Exynos5 SoCs
	(b) "samsung,mfc-v7" for MFC v7 present in Exynos5420 SoC

  - reg : Physical base address of the IP registers and length of memory
	  mapped region.

  - interrupts : MFC interrupt number to the CPU.
  - clocks : from common clock binding: handle to mfc clock.
  - clock-names : from common clock binding: must contain "mfc",
		  corresponding to entry in the clocks property.

  - samsung,mfc-r : Base address of the first memory bank used by MFC
		    for DMA contiguous memory allocation and its size.

  - samsung,mfc-l : Base address of the second memory bank used by MFC
		    for DMA contiguous memory allocation and its size.

Optional properties:
  - samsung,power-domain : power-domain property defined with a phandle
			   to respective power domain.

Example:
SoC specific DT entry:

mfc: codec@13400000 {
	compatible = "samsung,mfc-v5";
	reg = <0x13400000 0x10000>;
	interrupts = <0 94 0>;
	samsung,power-domain = <&pd_mfc>;
	clocks = <&clock 273>;
	clock-names = "mfc";
};

Board specific DT entry:

codec@13400000 {
	samsung,mfc-r = <0x43000000 0x800000>;
	samsung,mfc-l = <0x51000000 0x800000>;
};