diff options
Diffstat (limited to 'meta/classes-recipe/devicetree.bbclass')
| -rw-r--r-- | meta/classes-recipe/devicetree.bbclass | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/meta/classes-recipe/devicetree.bbclass b/meta/classes-recipe/devicetree.bbclass index ac1d284ccd..bd50d7fa1d 100644 --- a/meta/classes-recipe/devicetree.bbclass +++ b/meta/classes-recipe/devicetree.bbclass @@ -4,7 +4,7 @@ # SPDX-License-Identifier: MIT # -# This bbclass implements device tree compliation for user provided device tree +# This bbclass implements device tree compilation for user provided device tree # sources. The compilation of the device tree sources is the same as the kernel # device tree compilation process, this includes being able to include sources # from the kernel such as soc dtsi files or header files such as gpio.h. In @@ -53,8 +53,10 @@ KERNEL_INCLUDE ??= " \ DT_INCLUDE[doc] = "Search paths to be made available to both the device tree compiler and preprocessor for inclusion." DT_INCLUDE ?= "${DT_FILES_PATH} ${KERNEL_INCLUDE}" -DT_FILES_PATH[doc] = "Defaults to source directory, can be used to select dts files that are not in source (e.g. generated)." +DT_FILES_PATH[doc] = "Path to the directory containing dts files to build. Defaults to source directory." DT_FILES_PATH ?= "${S}" +DT_FILES[doc] = "Space-separated list of dts or dtb files (relative to DT_FILES_PATH) to build. If empty, all dts files are built." +DT_FILES ?= "" DT_PADDING_SIZE[doc] = "Size of padding on the device tree blob, used as extra space typically for additional properties during boot." DT_PADDING_SIZE ??= "0x3000" @@ -125,9 +127,12 @@ def devicetree_compile(dtspath, includes, d): subprocess.run(dtcargs, check = True, stdout=subprocess.PIPE, stderr=subprocess.STDOUT) python devicetree_do_compile() { + import re includes = expand_includes("DT_INCLUDE", d) + dtfiles = d.getVar("DT_FILES").split() + dtfiles = [ re.sub(r"\.dtbo?$", ".dts", dtfile) for dtfile in dtfiles ] listpath = d.getVar("DT_FILES_PATH") - for dts in os.listdir(listpath): + for dts in dtfiles or os.listdir(listpath): dtspath = os.path.join(listpath, dts) try: if not(os.path.isfile(dtspath)) or not(dts.endswith(".dts") or devicetree_source_is_overlay(dtspath)): |