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/Zephyr-latest/dts/bindings/test/
Dvnd,phandle-holder.yaml2 # SPDX-License-Identifier: Apache-2.0
6 compatible: "vnd,phandle-holder"
13 phs-or: {type: "phandles"}
14 pha-gpios: {type: "phandle-array"}
15 gpios: {type: "phandle-array"}
16 foos: {type: "phandle-array"}
17 foo-names: {type: "string-array"}
18 pwms: {type: "phandle-array"}
19 pwm-names: {type: "string-array"}
21 type: "phandle-array"
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/Zephyr-latest/doc/build/snippets/
Dwriting.rst15 .. code-block:: yaml
17 name: snippet-name
24 you can combine a snippet-specific devicetree overlay and a ``.conf`` file like
27 .. code-block:: yaml
36 .. code-block:: yaml
47 ``snippet-<name>`` as a namespace prefix when choosing names for node labels,
48 node names, etc. This avoids namespace conflicts.
50 For example, if your snippet is named ``foo-bar``, write your devicetree
53 .. code-block:: DTS
56 zephyr,baz = &snippet_foo_bar_dev;
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/Zephyr-latest/doc/build/dts/
Dbindings-intro.rst1 .. _dt-binding-compat:
8 For a detailed syntax reference, see :ref:`dt-bindings-file-syntax`.
11 properties <dt-important-props>`.
18 .. _dt-bindings-simple-example:
25 .. code-block:: devicetree
28 bar-device {
29 compatible = "foo-company,bar-device";
30 num-foos = <3>;
35 .. code-block:: yaml
39 compatible: "foo-company,bar-device"
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Dphandles.rst1 .. _dt-phandles:
19 .. code-block:: DTS
22 lbl_a: node-1 {};
23 lbl_b: lbl_c: node-2 {};
28 - ``/node-1`` as ``&lbl_a``
29 - ``/node-2`` as either ``&lbl_b`` or ``&lbl_c``
39 "Type" in this section refers to one of the type names documented in
40 :ref:`dt-bindings-properties` in the devicetree bindings documentation.
47 You can use phandles to refer to ``node-b`` from ``node-a``, where ``node-b``
48 is related to ``node-a`` in some way.
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Dbindings-upstream.rst1 .. _dt-writing-bindings:
21 Zephyr aims for devicetree :ref:`dt-source-compatibility`. Therefore, if there
24 justify any Zephyr-specific divergences.
28 - There is an existing binding in the mainline Linux kernel. See
32 - Your hardware vendor provides an official binding outside of the Linux
48 https://docs.kernel.org/devicetree/bindings/writing-bindings.html
50 File names
53 Bindings which match a compatible must have file names based on the compatible.
55 - For example, a binding for compatible ``vnd,foo`` must be named ``vnd,foo.yaml``.
56 - If the binding is bus-specific, you can append the bus to the file name;
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Dmacros.bnf7 ; --------------------------------------------------------------------
8 ; dt-macro: the top level nonterminal for a devicetree macro
10 ; A dt-macro starts with uppercase "DT_", and is one of:
12 ; - a <node-macro>, generated for a particular node
13 ; - some <other-macro>, a catch-all for other types of macros
14 dt-macro = node-macro / other-macro
16 ; --------------------------------------------------------------------
17 ; node-macro: a macro related to a node
20 node-macro = property-macro
22 node-macro =/ pinctrl-macro
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Dapi-usage.rst1 .. _dt-from-c:
8 :ref:`devicetree-intro` and :ref:`dt-bindings`. See :ref:`dt-reference` for
26 .. _dt-node-identifiers:
43 label <dt-node-labels>`. Node labels are often provided by SoC :file:`.dtsi`
44 files to give nodes names that match the SoC datasheet, like ``i2c1``,
50 :zephyr:code-sample:`blinky`, which uses the ``led0`` alias) that need to
72 .. _dt-node-main-ex:
77 .. literalinclude:: main-example.dts
79 :start-after: start-after-here
83 - ``DT_PATH(soc, i2c_40002000)``
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/Zephyr-latest/include/zephyr/devicetree/
Dpinctrl.h3 * SPDX-License-Identifier: Apache-2.0
15 * @defgroup devicetree-pinctrl Pin control
26 * pinctrl-0 = <&foo &bar>;
27 * pinctrl-1 = <&baz &blub>;
33 * DT_PINCTRL_BY_IDX(DT_NODELABEL(n), 1, 0) // DT_NODELABEL(baz)
35 * @param node_id node with a pinctrl-'pc_idx' property
38 * @return node identifier for the phandle at index 'idx' in 'pinctrl-'pc_idx''
44 * @brief Get a node identifier from a pinctrl-0 property
50 * It is provided for convenience since pinctrl-0 is commonly used.
52 * @param node_id node with a pinctrl-0 property
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/Zephyr-latest/scripts/dts/python-devicetree/tests/test-bindings/
Dprops.yaml1 # SPDX-License-Identifier: BSD-3-Clause
8 nonexistent-boolean:
11 existent-boolean:
21 uint8-array:
22 type: uint8-array
28 string-array:
29 type: string-array
30 const: ['foo', 'bar', 'baz']
32 phandle-ref:
35 phandle-refs:
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/Zephyr-latest/tests/lib/devicetree/api/
Dapp.overlay4 * SPDX-License-Identifier: Apache-2.0
8 * Names in this file should be chosen in a way that won't conflict
9 * with real-world devicetree nodes, to allow these tests to run on
15 test-alias = &test_nodelabel;
28 #address-cells = < 0x1 >;
29 #size-cells = < 0x1 >;
30 interrupt-parent = <&test_intc>;
32 test_cpu_intc: interrupt-controller {
33 compatible = "vnd,cpu-intc";
34 #address-cells = <0>;
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/Zephyr-latest/doc/develop/west/
Dmanifest.rst1 .. _west-manifests:
8 ``west.manifest`` module, see :ref:`west-apis-manifest`. For a more general
9 introduction and command overview, see :ref:`west-basics`.
16 .. _west-mr-model:
25 .. figure:: west-mr-model.png
27 :alt: West multi-repo history
28 :figclass: align-center
30 West multi-repo history
48 - Projects can be added (like ``P1`` between manifest repository
52 - Project and manifest repository histories don't have to move
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/Zephyr-latest/scripts/dts/python-devicetree/tests/
Dtest.dts4 * SPDX-License-Identifier: BSD-3-Clause
9 /dts-v1/;
16 interrupt-parent-test {
18 compatible = "interrupt-three-cell";
19 #interrupt-cells = <3>;
20 interrupt-controller;
24 interrupt-names = "foo", "bar";
25 interrupt-parent = <&{/interrupt-parent-test/controller}>;
28 interrupts-extended-test {
29 controller-0 {
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Dtest_dtlib.py2 # SPDX-License-Identifier: BSD-3-Clause
23 # - to stop on the first failure with shorter traceback output,
24 # use '-x --tb=native'
25 # - to drop into a debugger on failure, use '--pdb'
26 # - to run a particular test function or functions, use
27 # '-k test_function_pattern_goes_here'
34 fd, path = tempfile.mkstemp(prefix='pytest-', suffix='.dts')
36 os.write(fd, dts.encode('utf-8'))
44 representation is expected[1:-1].
52 expected = expected[1:-1]
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Dtest_edtlib.py2 # SPDX-License-Identifier: BSD-3-Clause
23 # test.dts is the main test file. test-bindings/ and test-bindings-2/ has
46 with from_here(): edtlib.EDT("test.dts", ["test-bindings"])
48 enums_hpath = hpath('test-bindings/enums.yaml')
50 … marked as deprecated in 'properties:' in {hpath('test-bindings/deprecated.yaml')} for node /test-…
51 "unit address and first address in 'reg' (0x1) don't match for /reg-zero-size-cells/node",
52 "unit address and first address in 'reg' (0x5) don't match for /reg-ranges/parent/node",
53 …"unit address and first address in 'reg' (0x30000000200000001) don't match for /reg-nested-ranges/…
54 …f"compatible 'enums' in binding '{enums_hpath}' has non-tokenizable enum for property 'string-enum…
55 …f"compatible 'enums' in binding '{enums_hpath}' has enum for property 'tokenizable-lower-enum' tha…
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/Zephyr-latest/include/zephyr/data/
Djson.h4 * SPDX-License-Identifier: Apache-2.0
83 * power of 2 in order to keep this value in the 0-3 range
120 * @param data User-provided pointer
157 .field_name_len = sizeof(#field_name_) - 1, \
174 * int32_t baz;
179 * { ... declare bar.baz descriptor ... },
190 .field_name_len = (sizeof(#field_name_) - 1), \
274 .field_name_len = sizeof(#field_name_) - 1, \
323 .field_name_len = sizeof(#field_name_) - 1, \
382 .field_name_len = sizeof(#field_name_) - 1, \
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/Zephyr-latest/include/zephyr/sys/
Ddevice_mmio.h4 * SPDX-License-Identifier: Apache-2.0
13 * @defgroup device-mmio Device memory-mapped IO management
16 * Definitions and helper macros for managing driver memory-mapped
20 * including this separately may be needed for arch-level driver code
28 /* Storing MMIO addresses in RAM is a system-wide decision based on
34 * If we have PCIE enabled, this does mean that non-PCIE drivers may waste
85 * The mapped linear address will have read-write access to supervisor mode.
102 * read-write access. in device_map()
140 * @defgroup device-mmio-single Single MMIO region macros
141 * @ingroup device-mmio
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/Zephyr-latest/doc/kernel/drivers/
Dindex.rst57 should support an interrupt-based implementation, rather than polling, unless
60 High-level calls accessed through device-specific APIs, such as
75 up for boot-time initialization.
98 split into read-only and runtime-mutable parts. At a high level we have:
100 .. code-block:: C
109 The ``config`` member is for read-only configuration data set at build time. For
115 per-instance runtime housekeeping. For example, it may contain reference counts,
118 The ``api`` struct maps generic subsystem APIs to the device-specific
119 implementations in the driver. It is typically read-only and populated at
126 Most drivers will be implementing a device-independent subsystem API.
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/Zephyr-latest/scripts/dts/python-devicetree/src/devicetree/
Ddtlib.py2 # SPDX-License-Identifier: BSD-3-Clause
10 The top-level entry point of the library is the DT class. DT.__init__() takes a
30 "Exception raised for devicetree-related errors"
34 Represents a node in the devicetree ('node-name { ... };').
62 stored in big-endian format.
113 def name(self) -> str:
117 # Converted to a property to discourage renaming -- that has to be done
122 def unit_addr(self) -> str:
129 def path(self) -> str:
144 def node_iter(self) -> Iterable['Node']:
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Dedtlib.py3 # SPDX-License-Identifier: BSD-3-Clause
17 but a binding can also come from a 'child-binding:' key in the binding for the
23 The top-level entry points for the library are the EDT and Binding classes.
31 # --------------------
47 # - Consider using @property for APIs that don't need parameters. It makes
51 # - Think about the data type of the thing you're exposing. Exposing something
55 # - Avoid get_*() prefixes on functions. Name them after the thing they return
60 # - Don't expose dtlib stuff directly.
62 # - Add documentation for any new APIs you add.
108 The free-form description of the binding, or None.
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/Zephyr-latest/doc/build/dts/api/
Dapi.rst10 Some of these -- the ones beginning with ``DT_INST_`` -- require a special
19 .. _devicetree-generic-apis:
33 :ref:`devicetree-property-access` API.
45 .. doxygengroup:: devicetree-generic-id
47 .. _devicetree-property-access:
52 The following general-purpose macros can be used to access node properties.
53 There are special-purpose APIs for accessing the :ref:`devicetree-ranges-property`,
54 :ref:`devicetree-reg-property` and :ref:`devicetree-interrupts-property`.
59 .. doxygengroup:: devicetree-generic-prop
61 .. _devicetree-ranges-property:
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/Zephyr-latest/include/zephyr/
Ddevicetree.h2 * SPDX-License-Identifier: Apache-2.0
39 * -----------------
42 * part in DT_N_<path-id>_P_<property-id> macros, or the "prop-suf"
71 * @defgroup devicetree-generic-id Node identifiers and helpers
96 * The arguments to this macro are the names of non-root nodes in the
98 * Non-alphanumeric characters in each name must be converted to
108 * current-speed = <115200>;
119 * Example usage with DT_PROP() to get the `current-speed` property:
125 * (The `current-speed` property is also in `lowercase-and-underscores`
130 * - the first argument corresponds to a child node of the root (`soc` above)
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/Zephyr-latest/cmake/modules/
Dextensions.cmake1 # SPDX-License-Identifier: Apache-2.0
14 # 1. Zephyr-aware extensions
21 # 2. Kconfig-aware extensions
23 # 3. CMake-generic extensions
44 # 1. Zephyr-aware extensions
49 # "zephyr". zephyr is a catch-all CMake library for source files that
52 # [0] https://cmake.org/cmake/help/latest/manual/cmake-buildsystem.7.html
66 # As a very high-level introduction here are two call graphs that are
72 # zephyr_library_compile_options() --> target_compile_options()
75 # zephyr_cc_option() ---> target_cc_option()
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/Zephyr-latest/scripts/
Dcheckpatch.pl2 # SPDX-License-Identifier: GPL-2.0
7 # (c) 2008-2010 Andy Whitcroft <apw@canonical.com>
8 # (c) 2010-2018 Joe Perches <joe@perches.com>
67 my $git_command ='export LANGUAGE=en_US.UTF-8; git';
78 -q, --quiet quiet
79 --no-tree run without a kernel tree
80 --no-signoff do not check for 'Signed-off-by' line
81 --patch treat FILE as patchfile (default)
82 --emacs emacs compile window format
83 --terse one line per report
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/Zephyr-latest/scripts/kconfig/
Dkconfiglib.py1 # Copyright (c) 2011-2019, Ulf Magnusson
2 # SPDX-License-Identifier: ISC
9 from Kconfig (https://www.kernel.org/doc/Documentation/kbuild/kconfig-language.txt)
27 $ wget -qO- https://raw.githubusercontent.com/ulfalizer/Kconfiglib/master/makefile.patch | git am
28 …$ wget -qO- https://raw.githubusercontent.com/ulfalizer/Kconfiglib/master/makefile.patch | patch -…
30 Warning: Not passing -p1 to patch will cause the wrong file to be patched.
43 $ git am Kconfiglib/makefile.patch (or 'patch -p1 < Kconfiglib/makefile.patch')
53 ----------------
61 --------------
69 --------------------------------
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