| /linux-6.6/drivers/base/ |
| D | property.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * property.c - Unified device property interface.
17 #include <linux/property.h>
22 return IS_ENABLED(CONFIG_OF) && dev->of_node ? in __dev_fwnode()
23 of_fwnode_handle(dev->of_node) : dev->fwnode; in __dev_fwnode()
29 return IS_ENABLED(CONFIG_OF) && dev->of_node ? in __dev_fwnode_const()
30 of_fwnode_handle(dev->of_node) : dev->fwnode; in __dev_fwnode_const()
35 * device_property_present - check if a property of a device is present
36 * @dev: Device whose property is being checked
37 * @propname: Name of the property
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| /linux-6.6/scripts/dtc/ |
| D | livetree.c | 1 // 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(char *name, struct data val, in build_property()
42 struct property *new = xmalloc(sizeof(*new)); in build_property()
46 new->name = name; in build_property()
47 new->val = val; in build_property()
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| D | checks.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
12 fprintf(stderr, "=== %s: ", (c)->name); \
29 typedef void (*check_fn)(struct check *c, struct dt_info *dti, struct node *node);
62 struct node *node, in check_msg() argument
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()
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| /linux-6.6/drivers/of/ |
| D | base.c | 1 // SPDX-License-Identifier: GPL-2.0+
6 * Copyright (C) 1996-2005 Paul Mackerras.
53 /* use when traversing tree through the child, sibling,
66 node_name = kbasename(np->full_name); in of_node_name_eq()
67 len = strchrnul(node_name, '@') - node_name; in of_node_name_eq()
78 return strncmp(kbasename(np->full_name), prefix, strlen(prefix)) == 0; in of_node_name_prefix()
93 for (; np; np = np->parent) in of_bus_n_addr_cells()
94 if (!of_property_read_u32(np, "#address-cells", &cells)) in of_bus_n_addr_cells()
97 /* No #address-cells property for the root node */ in of_bus_n_addr_cells()
103 if (np->parent) in of_n_addr_cells()
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| D | resolver.c | 1 // SPDX-License-Identifier: GPL-2.0
5 * Copyright (C) 2012 Pantelis Antoniou <panto@antoniou-consulting.com>
24 struct device_node *node; in live_tree_max_phandle() local
30 for_each_of_allnodes(node) { in live_tree_max_phandle()
31 if (node->phandle != OF_PHANDLE_ILLEGAL && in live_tree_max_phandle()
32 node->phandle > phandle) in live_tree_max_phandle()
33 phandle = node->phandle; in live_tree_max_phandle()
43 struct device_node *child; in adjust_overlay_phandles() local
44 struct property *prop; in adjust_overlay_phandles()
47 /* adjust node's phandle in node */ in adjust_overlay_phandles()
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| D | unittest.c | 1 // SPDX-License-Identifier: GPL-2.0
6 #define pr_fmt(fmt) "### dt-test ### " fmt
10 #include <linux/dma-direct.h> /* to test phys_to_dma/dma_to_phys */
29 #include <linux/i2c-mux.h>
54 * Expected message may have a message level other than KERN_INFO.
79 np = of_find_node_by_path("/testcase-data"); in of_unittest_find_node_by_name()
81 unittest(np && name && !strcmp("/testcase-data", name), in of_unittest_find_node_by_name()
82 "find /testcase-data failed\n"); in of_unittest_find_node_by_name()
87 np = of_find_node_by_path("/testcase-data/"); in of_unittest_find_node_by_name()
88 unittest(!np, "trailing '/' on /testcase-data/ should fail\n"); in of_unittest_find_node_by_name()
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| D | fdt.c | 1 // SPDX-License-Identifier: GPL-2.0
36 * of_fdt_limit_memory - limit the number of regions in the /memory node
40 * memory entries in the /memory node. This function may be called
60 "#address-cells", NULL); in of_fdt_limit_memory()
65 "#size-cells", NULL); in of_fdt_limit_memory()
83 static bool of_fdt_device_is_available(const void *blob, unsigned long node) in of_fdt_device_is_available() argument
85 const char *status = fdt_getprop(blob, node, "status", NULL); in of_fdt_device_is_available()
115 struct property *pp, **pprev = NULL; in populate_properties()
119 pprev = &np->properties; in populate_properties()
129 pr_warn("Cannot locate property at 0x%x\n", cur); in populate_properties()
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| D | property.c | 1 // SPDX-License-Identifier: GPL-2.0+
3 * drivers/of/property.c - Procedures for accessing and interpreting
7 * file contains the OF property as well as the OF graph interface
11 * Copyright (C) 1996-2005 Paul Mackerras.
35 * of_graph_is_present() - check graph's presence
36 * @node: pointer to device_node containing graph port
38 * Return: True if @node has a port or ports (with a port) sub-node,
41 bool of_graph_is_present(const struct device_node *node) in of_graph_is_present() argument
45 ports = of_get_child_by_name(node, "ports"); in of_graph_is_present()
47 node = ports; in of_graph_is_present()
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| D | dynamic.c | 1 // SPDX-License-Identifier: GPL-2.0
26 * of_node_get() - Increment refcount of a node
27 * @node: Node to inc refcount, NULL is supported to simplify writing of
30 * Return: The node with refcount incremented.
32 struct device_node *of_node_get(struct device_node *node) in of_node_get() argument
34 if (node) in of_node_get()
35 kobject_get(&node->kobj); in of_node_get()
36 return node; in of_node_get()
41 * of_node_put() - Decrement refcount of a node
42 * @node: Node to dec refcount, NULL is supported to simplify writing of
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| /linux-6.6/drivers/acpi/ |
| D | property.c | 1 // SPDX-License-Identifier: GPL-2.0-only
28 * not defined without a warning. For instance if any of the properties
29 * from different GUID appear in a property list of another, it will be
33 /* ACPI _DSD device properties GUID: daffd814-6eba-4d8c-8a91-bc9bbf4aa301 */
36 /* Hotplug in D3 GUID: 6211e2c0-58a3-4af3-90e1-927a4e0c55a4 */
39 /* External facing port GUID: efcc06cc-73ac-4bc3-bff0-76143807c389 */
42 /* Thunderbolt GUID for IMR_VALID: c44d002f-69f9-4e7d-a904-a7baabdf43f7 */
45 /* Thunderbolt GUID for WAKE_SUPPORTED: 6c501103-c189-4296-ba72-9bf5a26ebe5d */
48 /* Storage device needs D3 GUID: 5025030f-842f-4ab4-a561-99a5189762d0 */
53 /* ACPI _DSD data subnodes GUID: dbb8e3e6-5886-4ba6-8795-1319f52a966b */
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| /linux-6.6/Documentation/devicetree/bindings/ |
| D | example-schema.yaml | 1 # 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
8 # $id is a unique identifier based on the filename. There may or may not be a
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 <robh@kernel.org>
20 A more detailed multi-line description of the binding.
26 begin with a tab character.
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| /linux-6.6/include/linux/ |
| D | of.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
8 * Copyright (C) 1996-2005 Paul Mackerras.
19 #include <linux/property.h>
27 struct property { struct
31 struct property *next; argument
53 struct property *properties; argument
54 struct property *deadprops; /* removed properties */
56 struct device_node *child; member
90 struct device_node *node; member
95 struct property *prop;
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| D | of_graph.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
5 * Copyright (C) 2012 - 2013 Samsung Electronics Co., Ltd.
18 * struct of_endpoint - the OF graph endpoint data structure
19 * @port: identifier (value of reg property) of a port this endpoint belongs to
20 * @id: identifier (value of reg property) of this endpoint
30 * for_each_endpoint_of_node - iterate over every endpoint in a device node
31 * @parent: parent device node containing ports and endpoints
32 * @child: loop variable pointing to the current endpoint node
34 * When breaking out of the loop, of_node_put(child) has to be called manually.
36 #define for_each_endpoint_of_node(parent, child) \ argument
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| D | property.h | 1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * property.h - Unified device property interface.
89 * device_is_compatible - match 'compatible' property of the device with a given string
91 * @compat: The string to match 'compatible' property with
123 bool fwnode_is_ancestor_of(const struct fwnode_handle *ancestor, const struct fwnode_handle *child);
125 const struct fwnode_handle *fwnode, struct fwnode_handle *child);
127 const struct fwnode_handle *fwnode, struct fwnode_handle *child);
129 #define fwnode_for_each_child_node(fwnode, child) \ argument
130 for (child = fwnode_get_next_child_node(fwnode, NULL); child; \
131 child = fwnode_get_next_child_node(fwnode, child))
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| /linux-6.6/Documentation/devicetree/bindings/crypto/ |
| D | fsl-sec6.txt | 4 -SEC 6 Node
5 -Job Ring Node
6 -Full Example
9 SEC 6 Node
13 Node defines the base address of the SEC 6 block.
16 For example, In C293, we could see three SEC 6 node.
20 - compatible
23 Definition: Must include "fsl,sec-v6.0".
25 - fsl,sec-era
28 Definition: A standard property. Define the 'ERA' of the SEC
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| /linux-6.6/Documentation/devicetree/bindings/reserved-memory/ |
| D | reserved-memory.yaml | 1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/reserved-memory/reserved-memory.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: /reserved-memory Child Node Common
10 - devicetree-spec@vger.kernel.org
13 Reserved memory is specified as a node under the /reserved-memory node. The
15 create child nodes describing particular reserved (excluded from normal use)
19 Each child of the reserved-memory node specifies one or more regions
20 of reserved memory. Each child node may either use a 'reg' property to
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| /linux-6.6/Documentation/devicetree/bindings/powerpc/fsl/ |
| D | pamu.txt | 5 The PAMU is an I/O MMU that provides device-to-memory access control and
10 - compatible : <string>
11 First entry is a version-specific string, such as
12 "fsl,pamu-v1.0". The second is "fsl,pamu".
13 - ranges : <prop-encoded-array>
14 A standard property. Utilized to describe the memory mapped
20 - interrupts : <prop-encoded-array>
25 - #address-cells: <u32>
26 A standard property.
27 - #size-cells : <u32>
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| D | raideng.txt | 3 RAID Engine nodes are defined to describe on-chip RAID accelerators. Each RAID
4 Engine should have a separate node.
11 - compatible: Should contain "fsl,raideng-v1.0" as the value
15 - reg: offset and length of the register set for the device
16 - ranges: standard ranges property specifying the translation
17 between child address space and parent address space
22 compatible = "fsl,raideng-v1.0";
23 #address-cells = <1>;
24 #size-cells = <1>;
30 There must be a sub-node for each job queue present in RAID Engine
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| D | srio.txt | 3 RapidIO port node:
5 - compatible
11 Optionally, a compatible string of "fsl,srio-vX.Y" where X is Major
15 - reg
17 Value type: <prop-encoded-array>
18 Definition: A standard property. Specifies the physical address and
22 - interrupts
24 Value type: <prop_encoded-array>
26 value of the interrupts property consists of one interrupt
28 binding document describing the node's interrupt parent.
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| /linux-6.6/drivers/net/mdio/ |
| D | of_mdio.c | 1 // SPDX-License-Identifier: GPL-2.0-only
30 * ethernet-phy-idAAAA.BBBB */
37 struct device_node *child, u32 addr) in of_mdiobus_phy_device_register() argument
40 of_fwnode_handle(child), in of_mdiobus_phy_device_register()
46 struct device_node *child, u32 addr) in of_mdiobus_register_phy() argument
48 return fwnode_mdiobus_register_phy(mdio, of_fwnode_handle(child), addr); in of_mdiobus_register_phy()
52 struct device_node *child, u32 addr) in of_mdiobus_register_device() argument
54 struct fwnode_handle *fwnode = of_fwnode_handle(child); in of_mdiobus_register_device()
62 /* Associate the OF node with the device structure so it in of_mdiobus_register_device()
66 device_set_node(&mdiodev->dev, fwnode); in of_mdiobus_register_device()
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| /linux-6.6/Documentation/devicetree/bindings/mailbox/ |
| D | ti,omap-mailbox.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/mailbox/ti,omap-mailbox.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Suman Anna <s-anna@ti.com>
14 processors using a queued mailbox interrupt mechanism. The IP block is
16 interconnect bus. The communication is achieved through a set of registers
19 Each mailbox IP block/cluster has a certain number of h/w fifo queues and
21 controller within a processor subsystem, and there can be more than one line
22 going to a specific processor's interrupt controller. The interrupt line
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| /linux-6.6/arch/m68k/include/asm/ |
| D | oplib.h | 1 /* SPDX-License-Identifier: GPL-2.0 */
29 /* Root node of the prom device tree, this stays constant after
35 * and usage utility functions. Only prom-lib should use these,
53 * virtual address you pass is a request and the prom may put your mappings
65 * of the string is different on V0 vs. V2->higher proms. The caller must
70 /* Close a previously opened device described by the passed integer
75 /* Do a seek operation on the device described by the passed integer
83 /* This function returns a V0 format memory descriptor table, it has three
86 * areas which are allocated by the prom. So, in a sense the physical
87 * available is a calculation of the total physical minus the physical mapped
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| /linux-6.6/arch/powerpc/kernel/ |
| D | pci_of_scan.c | 1 // SPDX-License-Identifier: GPL-2.0-only
17 #include <asm/pci-bridge.h>
20 * get_int_prop - Decode a u32 from a device tree property
34 * pci_parse_of_flags - Parse the flags cell of a device tree PCI address
35 * @addr0: value of 1st cell of a device tree PCI address.
36 * @bridge: Set this flag if the address is from a bridge 'ranges' property
38 * PCI Bus Binding to IEEE Std 1275-1994
49 * t is 1 if the address is aliased (for non-relocatable I/O),
54 * 10 denotes 32-bit-address Memory Space
55 * 11 denotes 64-bit-address Memory Space
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| /linux-6.6/drivers/regulator/ |
| D | of_regulator.c | 1 // SPDX-License-Identifier: GPL-2.0-or-later
19 [PM_SUSPEND_STANDBY] = "regulator-state-standby",
20 [PM_SUSPEND_MEM] = "regulator-state-mem",
21 [PM_SUSPEND_MAX] = "regulator-state-disk",
41 "regulator-oc-%s-microamp", in of_get_regulator_prot_limits()
42 "regulator-ov-%s-microvolt", in of_get_regulator_prot_limits()
43 "regulator-temp-%s-kelvin", in of_get_regulator_prot_limits()
44 "regulator-uv-%s-microvolt", in of_get_regulator_prot_limits()
47 &constraints->over_curr_limits, in of_get_regulator_prot_limits()
48 &constraints->over_voltage_limits, in of_get_regulator_prot_limits()
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| /linux-6.6/Documentation/devicetree/bindings/soc/samsung/ |
| D | exynos-usi.yaml | 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/soc/samsung/exynos-usi.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Sam Protsenko <semen.protsenko@linaro.org>
11 - Krzysztof Kozlowski <krzk@kernel.org>
14 USI IP-core provides selectable serial protocol (UART, SPI or High-Speed I2C).
16 protocol can be chosen at a time. USI is modeled as a node with zero or more
17 child nodes, each representing a serial sub-node device. The mode setting
22 pattern: "^usi@[0-9a-f]+$"
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