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/linux-6.14.4/scripts/dtc/
Dlivetree.c1 // SPDX-License-Identifier: GPL-2.0-or-later
19 if (streq(new->label, label)) { in add_label()
20 new->deleted = 0; in add_label()
26 new->label = label; in add_label()
27 new->next = *labels; in add_label()
36 label->deleted = 1; in delete_labels()
39 struct property *build_property(const char *name, struct data val, in build_property()
42 struct property *new = xmalloc(sizeof(*new)); in build_property()
46 new->name = xstrdup(name); in build_property()
47 new->val = val; in build_property()
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Dchecks.c1 // SPDX-License-Identifier: GPL-2.0-or-later
12 fprintf(stderr, "=== %s: ", (c)->name); \
63 struct property *prop, in check_msg()
71 if (!(c->warn && (quiet < 1)) && !(c->error && (quiet < 2))) in check_msg()
74 if (prop && prop->srcpos) in check_msg()
75 pos = prop->srcpos; in check_msg()
76 else if (node && node->srcpos) in check_msg()
77 pos = node->srcpos; in check_msg()
83 } else if (streq(dti->outname, "-")) { in check_msg()
86 xasprintf(&str, "%s", dti->outname); in check_msg()
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/linux-6.14.4/Documentation/devicetree/bindings/
Dwriting-schema.rst1 .. SPDX-License-Identifier: GPL-2.0
3 Writing Devicetree Bindings in json-schema
6 Devicetree bindings are written using json-schema vocabulary. Schema files are
7 written in a JSON-compatible subset of YAML. YAML is used instead of JSON as it
11 Also see :ref:`example-schema`.
14 ---------------
16 Each schema doc is a structured json-schema which is defined by a set of
17 top-level properties. Generally, there is one binding defined per file. The
18 top-level json-schema properties used are:
21 A json-schema unique identifier string. The string must be a valid
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Dexample-schema.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
4 ---
5 # All the top-level keys are standard json-schema keywords except for
10 $id: http://devicetree.org/schemas/example-schema.yaml#
11 # $schema is the meta-schema this schema should be validated with.
12 $schema: http://devicetree.org/meta-schemas/core.yaml#
17 - Rob Herring <[email protected]>
20 A more detailed multi-line description of the binding.
29 # 'select' is a schema applied to a DT node to determine if this binding
36 # A dictionary of DT properties for this binding schema
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Dwriting-bindings.rst1 .. SPDX-License-Identifier: GPL-2.0
11 Documentation/devicetree/bindings/submitting-patches.rst
17 - DO attempt to make bindings complete even if a driver doesn't support some
19 'interrupts' property even if the driver is only polled mode.
21 - DON'T refer to Linux or "device driver" in bindings. Bindings should be
24 - DO use node names matching the class of the device. Many standard names are
25 defined in the DT Spec. If there isn't one, consider adding it.
27 - DO check that the example matches the documentation especially after making
30 - DON'T create nodes just for the sake of instantiating drivers. Multi-function
31 devices only need child nodes when the child nodes have their own DT
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/linux-6.14.4/Documentation/devicetree/bindings/leds/
Dcommon.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jacek Anaszewski <[email protected]>
11 - Pavel Machek <[email protected]>
25 led-sources:
30 $ref: /schemas/types.yaml#/definitions/uint32-array
35 from the header include/dt-bindings/leds/common.h. If there is no
42 the header include/dt-bindings/leds/common.h. If there is no matching
48 function-enumerator:
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/linux-6.14.4/drivers/gpu/drm/
Ddrm_of.c1 // SPDX-License-Identifier: GPL-2.0-only
5 #include <linux/media-bus-format.h>
20 * A set of helper functions to aid DRM drivers in parsing standard DT
25 * drm_of_crtc_port_mask - find the mask of a registered CRTC by port OF node
39 if (tmp->port == port) in drm_of_crtc_port_mask()
50 * drm_of_find_possible_crtcs - find the possible CRTCs for an encoder port
83 * drm_of_component_match_add - Add a component helper OF node match rule
101 * drm_of_component_probe - Generic probe function for a component based master
121 if (!dev->of_node) in drm_of_component_probe()
122 return -EINVAL; in drm_of_component_probe()
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/linux-6.14.4/Documentation/devicetree/
Dusage-model.rst1 .. SPDX-License-Identifier: GPL-2.0
17 The "Open Firmware Device Tree", or simply Devicetree (DT), is a data
23 Structurally, the DT is a tree, or acyclic graph with named nodes, and
34 maximize use of existing support code, but since property and node
44 ----------
45 The DT was originally created by Open Firmware as part of the
56 In 2005, when PowerPC Linux began a major cleanup and to merge 32-bit
57 and 64-bit support, the decision was made to require DT support on all
59 Firmware. To do this, a DT representation called the Flattened Device
61 blob without requiring a real Open Firmware implementation. U-Boot,
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/linux-6.14.4/drivers/video/
Dof_display_timing.c1 // SPDX-License-Identifier: GPL-2.0-only
16 * parse_timing_property - parse timing_entry from device_node
17 * @np: device_node with the property
18 * @name: name of the property
28 struct property *prop; in parse_timing_property()
33 pr_err("%pOF: could not find property %s\n", np, name); in parse_timing_property()
34 return -EINVAL; in parse_timing_property()
39 ret = of_property_read_u32(np, name, &result->typ); in parse_timing_property()
40 result->min = result->typ; in parse_timing_property()
41 result->max = result->typ; in parse_timing_property()
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/linux-6.14.4/Documentation/devicetree/bindings/mmc/
Dmarvell,xenon-sdhci.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mmc/marvell,xenon-sdhci.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 mmc-controller.yaml and the properties used by the Xenon implementation.
20 - Ulf Hansson <[email protected]>
25 - enum:
26 - marvell,armada-cp110-sdhci
27 - marvell,armada-ap806-sdhci
29 - items:
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/linux-6.14.4/Documentation/devicetree/bindings/input/
Dadi,adp5588.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Nuno Sá <[email protected]>
14 https://www.analog.com/media/en/technical-documentation/data-sheets/ADP5588.pdf
17 - $ref: matrix-keymap.yaml#
18 - $ref: input.yaml#
23 - adi,adp5587
24 - adi,adp5588
29 vcc-supply:
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Dadc-joystick.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 # Copyright 2019-2020 Artur Rojek
4 ---
5 $id: http://devicetree.org/schemas/input/adc-joystick.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
11 - Artur Rojek <contact@artur-rojek.eu>
18 - $ref: input.yaml#
22 const: adc-joystick
24 io-channels:
31 https://github.com/devicetree-org/dt-schema/blob/master/schemas/iio/iio-consumer.yaml
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/linux-6.14.4/Documentation/devicetree/bindings/firmware/
Dnvidia,tegra186-bpmp.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/firmware/nvidia,tegra186-bpmp.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <[email protected]>
11 - Jon Hunter <[email protected]>
25 - .../mailbox/mailbox.txt
26 - .../mailbox/nvidia,tegra186-hsp.yaml
32 - .../clock/clock-bindings.txt
33 - <dt-bindings/clock/tegra186-clock.h>
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/linux-6.14.4/arch/powerpc/include/asm/
Dprom.h1 /* SPDX-License-Identifier: GPL-2.0-or-later */
10 * Copyright (C) 1996-2005 Paul Mackerras.
18 struct property;
22 #define OF_DT_PROP 0x3 /* Property: name off, size,
32 * The dt struct contains the device tree structure, full pathes and
33 * property contents. The dt strings contain a separate block with just
34 * the strings for the property names, and is fully page aligned and
36 * each property name appears only once in this page (cheap compression)
39 * passing it here instead of in the device-tree itself greatly simplifies
45 __be32 totalsize; /* total size of DT block */
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/linux-6.14.4/Documentation/devicetree/bindings/pci/
Dti-pci.txt4 - compatible: Should be "ti,dra7-pcie" for RC (deprecated)
5 Should be "ti,dra7-pcie-ep" for EP (deprecated)
6 Should be "ti,dra746-pcie-rc" for dra74x/dra76 in RC mode
7 Should be "ti,dra746-pcie-ep" for dra74x/dra76 in EP mode
8 Should be "ti,dra726-pcie-rc" for dra72x in RC mode
9 Should be "ti,dra726-pcie-ep" for dra72x in EP mode
10 - phys : list of PHY specifiers (used by generic PHY framework)
11 - phy-names : must be "pcie-phy0", "pcie-phy1", "pcie-phyN".. based on the
12 number of PHYs as specified in *phys* property.
13 - ti,hwmods : Name of the hwmod associated to the pcie, "pcie<X>",
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/linux-6.14.4/tools/testing/selftests/devices/probe/boards/
Dgoogle,spherion.yaml1 # SPDX-License-Identifier: GPL-2.0
7 # The top-level is a list of controllers, either for USB or PCI(e).
8 # Every controller needs to have a 'type' key set to either 'usb-controller' or
9 # 'pci-controller'.
12 # - dt-mmio: identify the MMIO address of the controller as defined in the
14 # - of-fullname-regex: regular expression to match against the OF_FULLNAME
15 # property. Useful when the controller's address is not unique across other
16 # sibling controllers. In this case, dt-mmio can't be used, and this property
18 # - usb-version: for USB controllers to differentiate between USB3 and USB2
20 # - acpi-uid: _UID property of the controller as supplied by the ACPI. Useful to
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/linux-6.14.4/Documentation/devicetree/bindings/iio/adc/
Dqcom,spmi-vadc.yaml1 # SPDX-License-Identifier: GPL-2.0-only
3 ---
4 $id: http://devicetree.org/schemas/iio/adc/qcom,spmi-vadc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Andy Gross <[email protected]>
11 - Bjorn Andersson <[email protected]>
15 voltage. The VADC is a 15-bit sigma-delta ADC.
17 voltage. The VADC is a 16-bit sigma-delta ADC.
22 - items:
23 - const: qcom,pms405-adc
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/linux-6.14.4/Documentation/arch/arm64/
Darm-acpi.rst23 industry-standard Arm systems, they also apply to more than one operating
25 ACPI and Linux only, on an Arm system -- that is, what Linux expects of
30 ----------------
33 exist in Linux for describing non-enumerable hardware, after all. In this
40 - ACPI’s byte code (AML) allows the platform to encode hardware behavior,
41 while DT explicitly does not support this. For hardware vendors, being
45 - ACPI’s OSPM defines a power management model that constrains what the
49 - In the enterprise server environment, ACPI has established bindings (such
50 as for RAS) which are currently used in production systems. DT does not.
51 Such bindings could be defined in DT at some point, but doing so means Arm
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/linux-6.14.4/Documentation/firmware-guide/acpi/
DDSD-properties-rules.rst1 .. SPDX-License-Identifier: GPL-2.0
7 Properties, Property Sets and Property Subsets
19 A device property is a data item consisting of a string key and a value (of a
22 In the ACPI _DSD context it is an element of the sub-package following the
24 section titled "Well-Known _DSD UUIDs and Data Structure Formats" sub-section
29 that can be returned by _DSD in the Device Properties UUID sub-package for a
32 A property set is a collection of properties applicable to a hardware entity
34 can be returned in the Device Properties UUID sub-package for the device in
37 Property subsets are nested collections of properties. Each of them is
40 representation of property subsets is via the mechanism specified in the
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/linux-6.14.4/arch/arm/boot/dts/st/
Dstm32mp15xx-dhcom-picoitx.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/pwm/pwm.h>
11 compatible = "gpio-leds";
13 led-0 {
16 default-state = "off";
40 usb-port-power-hog {
41 gpio-hog;
43 output-low;
44 line-name = "usb-port-power";
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Dstm32mp15xx-dhcom-drc02.dtsi1 // SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/pwm/pwm.h>
24 rs485-rx-en-hog {
25 gpio-hog;
27 output-low;
28 line-name = "rs485-rx-en";
33 gpio-line-names = "", "", "", "",
34 "", "", "DHCOM-B", "",
35 "", "", "", "DRC02-Out1",
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Dstm32mp151a-prtt1l.dtsi1 // SPDX-License-Identifier: (GPL-2.0+ OR BSD-3-Clause)
6 /dts-v1/;
9 #include "stm32mp15-pinctrl.dtsi"
10 #include "stm32mp15xxad-pinctrl.dtsi"
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/leds/common.h>
18 mdio-gpio0 = &mdio0;
22 led-controller-0 {
23 compatible = "gpio-leds";
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/linux-6.14.4/Documentation/devicetree/bindings/net/can/
Dfsl,flexcan.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
8 Flexcan CAN controller on Freescale's ARM and PowerPC system-on-a-chip (SOC).
11 - Marc Kleine-Budde <[email protected]>
14 - $ref: can-controller.yaml#
19 - enum:
20 - fsl,imx95-flexcan
21 - fsl,imx93-flexcan
22 - fsl,imx8qm-flexcan
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/linux-6.14.4/drivers/pci/
Dof.c1 // SPDX-License-Identifier: GPL-2.0+
3 * PCI <-> OF mapping helpers
22 * pci_set_of_node - Find and set device's DT device_node
26 * DT. Returns -ENODEV if the device is present, but disabled in the DT.
30 if (!dev->bus->dev.of_node) in pci_set_of_node()
34 of_pci_find_child_device(dev->bus->dev.of_node, dev->devfn); in pci_set_of_node()
41 dev->bus->dev.of_node_reused = true; in pci_set_of_node()
43 device_set_node(&dev->dev, of_fwnode_handle(no_free_ptr(node))); in pci_set_of_node()
49 of_node_put(dev->dev.of_node); in pci_release_of_node()
50 device_set_node(&dev->dev, NULL); in pci_release_of_node()
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/linux-6.14.4/Documentation/devicetree/bindings/thermal/
Dqcom-spmi-adc-tm5.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/thermal/qcom-spmi-adc-tm5.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
9 - Dmitry Baryshkov <[email protected]>
11 $ref: thermal-sensor.yaml#
16 - qcom,spmi-adc-tm5
17 - qcom,spmi-adc-tm5-gen2
18 - qcom,adc-tm7 # Incomplete / subject to change
26 "#thermal-sensor-cells":
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