Devicetree

1. Linux devicetree usage model

   How the kernel consumes a devicetree and why.

2. Devicetree specification

   Official spec for nodes, properties and bindings.

3. Devicetree overlays

   Runtime devicetree overlays with fragments, target paths and overlay application.

4. Bindings

   YAML dt-schema binding documents describing compatible strings and properties.

5. Writing bindings

   Guidelines for dt-schema bindings.

6. Writing schema

   dt-schema authoring and validation.

7. Kernel DT API

   Kernel functions for reading devicetree nodes and properties.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.