Documentation/devicetree/bindings/arm/socionext/uniphier.txt

Socionext UniPhier SoC family
-----------------------------

Required properties in the root node:
  - compatible: should contain board and SoC compatible strings

SoC and board compatible strings:
  (sorted chronologically)

  - LD4 SoC:  "socionext,uniphier-ld4"
      - Reference Board: "socionext,uniphier-ld4-ref"

  - Pro4 SoC: "socionext,uniphier-pro4"
      - Reference Board: "socionext,uniphier-pro4-ref"
      - Ace Board:       "socionext,uniphier-pro4-ace"
      - Sanji Board:     "socionext,uniphier-pro4-sanji"

  - sLD8 SoC: "socionext,uniphier-sld8"
      - Reference Board: "socionext,uniphier-sld8-ref"

  - PXs2 SoC: "socionext,uniphier-pxs2"
      - Gentil Board:    "socionext,uniphier-pxs2-gentil"
      - Vodka Board:     "socionext,uniphier-pxs2-vodka"

  - LD6b SoC: "socionext,uniphier-ld6b"
      - Reference Board: "socionext,uniphier-ld6b-ref"

  - LD11 SoC: "socionext,uniphier-ld11"
      - Reference Board: "socionext,uniphier-ld11-ref"
      - Global Board:    "socionext,uniphier-ld11-global"

  - LD20 SoC: "socionext,uniphier-ld20"
      - Reference Board: "socionext,uniphier-ld20-ref"
      - Global Board:    "socionext,uniphier-ld20-global"

  - PXs3 SoC: "socionext,uniphier-pxs3"
      - Reference Board: "socionext,uniphier-pxs3-ref"

Example:

/dts-v1/;

/ {
	compatible = "socionext,uniphier-ld20-ref", "socionext,uniphier-ld20";

	...
};