OPPO Kernel Craftsman

Jan 7, 2022 · Mobile Development

Device Tree Compilation, Partitioning, and Runtime Matching Process in Android

The article explains Android’s Device Tree workflow, detailing how DTS files are compiled into DTB blobs and, since Android 8, split into platform DTB and vendor DTBO partitions, how GKI moves DTB to vendor_boot, and how bootloaders and runtime stages match DTBs/DTBOs using platform IDs, GPIO cues, and overlay mechanisms.