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| author | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2023-05-23 10:09:41 +0200 |
|---|---|---|
| committer | David Gibson <david@gibson.dropbear.id.au> | 2023-05-26 21:11:32 +1000 |
| commit | 589d8c7653c75d789c6e47d69a4f5bb089aecd5a (patch) | |
| tree | 04c6e5db5c79b240075920cde0cf927b72986cf8 /Documentation/manual.txt | |
| parent | e8364666d5acc985c434fb574e92c5206d9a8d6b (diff) | |
| download | dtc-589d8c7653c75d789c6e47d69a4f5bb089aecd5a.zip dtc-589d8c7653c75d789c6e47d69a4f5bb089aecd5a.tar.gz dtc-589d8c7653c75d789c6e47d69a4f5bb089aecd5a.tar.bz2 | |
dtc: Add an option to generate __local_fixups__ and __fixups__
This records detailed usage of labels in a dtb. This is needed in
overlays (and enabled implicitly for these). For ordinary device trees
it can be used to restore labels when compiling back to dts format.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Message-Id: <20230523080941.419330-1-u.kleine-koenig@pengutronix.de>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Diffstat (limited to 'Documentation/manual.txt')
| -rw-r--r-- | Documentation/manual.txt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/manual.txt b/Documentation/manual.txt index 15a7837..598c6e6 100644 --- a/Documentation/manual.txt +++ b/Documentation/manual.txt @@ -126,6 +126,20 @@ Options: property for each label. The property's name is the label name and the value is the path of the labeled node. + -L + Possibly generates a __local_fixups__ and a __fixups__ node at the root node. + For each property that contains a phandle reference using a locally + defined phandle, the __local_fixups__ node contains a property (at path + /__local_fixups__/$a if $a is the path of the node). Its value is a list + of offsets that are phandle values. If there are no such properties, no + __local_fixups__ node is generated. + For each undefined label used in at least one reference, the __fixups__ + node contains a property. Its name is the label name, its value is a + list of locations where the label is used in a reference in the format + "path:property:offset". If there is no undefined label, no __fixups__ + nodes is generated. + Enabled by default for compiling overlays (i.e. dts files with a + /plugin/ tag). -A Generate automatically aliases for all node labels. This is similar to |