linux-libre/Documentation/devicetree/bindings/arm/sti.txt

ST STi Platforms Device Tree Bindings
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Boards with the ST STiH415 SoC shall have the following properties:
Required root node property:
compatible = "st,stih415";

Boards with the ST STiH416 SoC shall have the following properties:
Required root node property:
compatible = "st,stih416";

Boards with the ST STiH407 SoC shall have the following properties:
Required root node property:
compatible = "st,stih407";

Boards with the ST STiH410 SoC shall have the following properties:
Required root node property:
compatible = "st,stih410";

Boards with the ST STiH418 SoC shall have the following properties:
Required root node property:
compatible = "st,stih418";