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For pylibfdt, merge dtc to upstream 0016f8c2aa32423f680ec6e94a00f1095b81b5fc
and merge history
Bug: 64424046
Test: Build dtc, use output dtc to build dts, can output correct dtb.
Change-Id: I4304259e1245bc4a45d0b8f8e3ae8119e509042c
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Since libfdt support overlay application on FDT blobs, provide
a command line tool that applies an arbitrary number of
overlays, one after another to a base fdt blob and output
the result in the given file.
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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The -d and -s options were undocumented. Add an entry in the manual.
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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There exists a syntactic sugar version of overlays which
make them simpler to write for the trivial case of a single target.
Document it in the device tree object internals.
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Downloaded from https://marc.info/?l=devicetree&m=148111492925863&w=4
Change-Id: Iac4cb844f655516022926e7c18e7de3ae384e5e8
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Two its in a row can't be right.
Signed-off-by: Stephen Boyd <stephen.boyd@linaro.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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This patch enable the generation of symbols & local fixup information
for trees compiled with the -@ (--symbols) option.
Using this patch labels in the tree and their users emit information
in __symbols__ and __local_fixups__ nodes.
The __fixups__ node make possible the dynamic resolution of phandle
references which are present in the plugin tree but lie in the
tree that are applying the overlay against.
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Jan Luebbe <jlu@pengutronix.de>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Provides the document explaining the internal mechanics of
plugins and options.
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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The information about the location of the source code of the
device tree compiler was inaccurate.
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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Signed-off-by: Michael Ellerman <michael@ellerman.id.au>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
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This will allow callers to rebuild .dtb files when any of the /include/d
.dtsi files are modified, not just the top-level .dts file.
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
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The freetype package already installs a binary named "ftdump", so the dtc
package conflicts with that. So rename the newer dtc tool to "fdtdump".
This even makes a bit more sense:
ftdump: [F]lat device [T]ree [dump]
fdtdump: [F]lat [D]evice [T]ree [dump]
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
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Elements of size 8, 16, 32, and 64 bits are supported. The new
/bits/ syntax was selected so as to not pollute the reserved
keyword space with uint8/uint16/... type names.
With this patch the following property assignment:
property = /bits/ 16 <0x1234 0x5678 0x0 0xffff>;
is equivalent to:
property = <0x12345678 0x0000ffff>;
It is now also possible to directly specify a 64 bit literal in a
cell list, also known as an array using:
property = /bits/ 64 <0xdeadbeef00000000>;
It is an error to attempt to store a literal into an element that is
too small to hold the literal, and the compiler will generate an
error when it detects this. For instance:
property = /bits/ 8 <256>;
Will fail to compile. It is also an error to attempt to place a
reference in a non 32-bit element.
The documentation has been changed to reflect that the cell list
is now an array of elements that can be of sizes other than the
default 32-bit cell size.
The sized_cells test tests the creation and access of 8, 16, 32,
and 64-bit sized elements. It also tests that the creation of two
properties, one with 16 bit elements and one with 32 bit elements
result in the same property contents.
Signed-off-by: Anton Staaf <robotboy@chromium.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
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With this patch the following property assignment:
property = <0x12345678 'a' '\r' 100>;
is equivalent to:
property = <0x12345678 0x00000061 0x0000000D 0x00000064>
Signed-off-by: Anton Staaf <robotboy@chromium.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
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Updated a jdl.com URL reference.
Generalized the new section IV to be "Utility Tools"
and added a small blurb about ftdump as well.
Signed-off-by: Jon Loeliger <jdl@jdl.com>
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Signed-off-by: Niklaus Giger <niklaus.giger@member.fsf.org>
Acked-by: David Gibson <david@gibson.dropbear.id.au>
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This patch adds a dts-format.txt in the Documentation directory, with
an introduction to the dtc source format. Note that this
documentation is also going into the upcoming ePAPR specification.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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This large patch removes all trailing whitespace from dtc (including
libfdt, the testsuite and documentation). It also removes a handful
of redundant blank lines (at the end of functions, or when there are
two blank lines together for no particular reason).
As well as anything else, this means that quilt won't whinge when I go
to convert the whole of libfdt into a patch to apply to the kernel.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
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This is the new location for technical descriptions of the DTC.
Derived from the kernel's Documentation/powerpc/booting-without-of.txt.
The booting-without-of.txt that was here was very old and out of date.
Signed-off-by: Jon Loeliger <jdl@freescale.com>
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way of some more documentation.
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Add device-type and compatible as required fields for mdio node; add eTSEC
to ethernet model options.
Signed-off-by: Becky Bruce <Becky.bruce@freescale.com>
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the kernel needs. Written by BenH and Becky Bruce.
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