diff options
| -rw-r--r-- | docs/BOOT_LOADER_SPECIFICATION.md | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/BOOT_LOADER_SPECIFICATION.md b/docs/BOOT_LOADER_SPECIFICATION.md index 55a9fef4be..3bd300c24e 100644 --- a/docs/BOOT_LOADER_SPECIFICATION.md +++ b/docs/BOOT_LOADER_SPECIFICATION.md @@ -112,6 +112,12 @@ These configuration snippets shall be Unix-style text files (i.e. line separatio * `devicetree` refers to the binary device tree to use when executing the kernel. This also shall be a path relative to the `$BOOT` directory. This key is optional. Example: `6a9857a393724b7a981ebb5b8495b9ea/3.8.0-2.fc19.armv7hl/tegra20-paz00.dtb`. +* `devicetree-overlay` refers to a list of device tree overlays that should be +applied by the boot loader. Multiple overlays are separated by spaces and +applied in the same order as they are listed. This key is optional but depends +on the `devicetree` key. Example: +`/6a9857a393724b7a981ebb5b8495b9ea/overlays/overlay_A.dtbo +/6a9857a393724b7a981ebb5b8495b9ea/overlays/overlay_B.dtbo` * `architecture` refers to the architecture this entry is defined for. The argument should be an architecture identifier, using the architecture vocabulary defined by the EFI specification (i.e. `IA32`, `x64`, `IA64`, `ARM`, `AA64`, …). If specified and this does not match (case insensitively) the local system architecture this entry should be hidden. Each configuration drop-in snippet must include at least a `linux` or an `efi` key and is otherwise not valid. Here's an example for a complete drop-in file: |