| /linux-5.10/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-5.10/drivers/base/ |
| D | property.c | 1 // SPDX-License-Identifier: GPL-2.0
3 * property.c - Unified device property interface.
17 #include <linux/property.h>
23 return IS_ENABLED(CONFIG_OF) && dev->of_node ? in dev_fwnode()
24 &dev->of_node->fwnode : dev->fwnode; in dev_fwnode()
29 * device_property_present - check if a property of a device is present
30 * @dev: Device whose property is being checked
31 * @propname: Name of the property
33 * Check if property @propname is present in the device firmware description.
42 * fwnode_property_present - check if a property of a firmware node is present
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| /linux-5.10/drivers/of/ |
| 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.
33 * of_graph_is_present() - check graph's presence
34 * @node: pointer to device_node containing graph port
36 * Return: True if @node has a port or ports (with a port) sub-node,
39 bool of_graph_is_present(const struct device_node *node) in of_graph_is_present() argument
43 ports = of_get_child_by_name(node, "ports"); in of_graph_is_present()
45 node = ports; in of_graph_is_present()
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| 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 */
27 #include <linux/i2c-mux.h>
52 * Expected message may have a message level other than KERN_INFO.
70 np = of_find_node_by_path("/testcase-data"); in of_unittest_find_node_by_name()
72 unittest(np && !strcmp("/testcase-data", name), in of_unittest_find_node_by_name()
73 "find /testcase-data failed\n"); in of_unittest_find_node_by_name()
78 np = of_find_node_by_path("/testcase-data/"); in of_unittest_find_node_by_name()
79 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
35 * of_fdt_limit_memory - limit the number of regions in the /memory node
39 * memory entries in the /memory node. This function may be called
59 "#address-cells", NULL); in of_fdt_limit_memory()
64 "#size-cells", NULL); in of_fdt_limit_memory()
82 static bool of_fdt_device_is_available(const void *blob, unsigned long node) in of_fdt_device_is_available() argument
84 const char *status = fdt_getprop(blob, node, "status", NULL); in of_fdt_device_is_available()
114 struct property *pp, **pprev = NULL; in populate_properties()
118 pprev = &np->properties; in populate_properties()
128 pr_warn("Cannot locate property at 0x%x\n", cur); in populate_properties()
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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 * Returns node.
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-5.10/Documentation/devicetree/bindings/pinctrl/ |
| D | samsung-pinctrl.txt | 3 Samsung's ARM based SoC's integrates a GPIO and Pin mux/config hardware
6 on-chip controllers onto these pads.
9 - compatible: should be one of the following.
10 - "samsung,s3c2412-pinctrl": for S3C2412-compatible pin-controller,
11 - "samsung,s3c2416-pinctrl": for S3C2416-compatible pin-controller,
12 - "samsung,s3c2440-pinctrl": for S3C2440-compatible pin-controller,
13 - "samsung,s3c2450-pinctrl": for S3C2450-compatible pin-controller,
14 - "samsung,s3c64xx-pinctrl": for S3C64xx-compatible pin-controller,
15 - "samsung,s5pv210-pinctrl": for S5PV210-compatible pin-controller,
16 - "samsung,exynos3250-pinctrl": for Exynos3250 compatible pin-controller.
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| /linux-5.10/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-5.10/Documentation/devicetree/bindings/crypto/ |
| D | fsl-sec4.txt | 3 Copyright (C) 2008-2011 Freescale Semiconductor Inc.
6 -Overview
7 -SEC 4 Node
8 -Job Ring Node
9 -Run Time Integrity Check (RTIC) Node
10 -Run Time Integrity Check (RTIC) Memory Node
11 -Secure Non-Volatile Storage (SNVS) Node
12 -Secure Non-Volatile Storage (SNVS) Low Power (LP) RTC Node
13 -Full Example
29 HW interface between QM & SEC 4 and also BM & SEC 4, on DPAA-enabled parts
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| 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-5.10/include/linux/ |
| D | of.h | 1 /* SPDX-License-Identifier: GPL-2.0+ */
8 * Copyright (C) 1996-2005 Paul Mackerras.
22 #include <linux/property.h>
31 struct property { struct
35 struct property *next; argument
57 struct property *properties; argument
58 struct property *deadprops; /* removed properties */
60 struct device_node *child; member
94 struct device_node *node; member
99 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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| /linux-5.10/Documentation/devicetree/bindings/reserved-memory/ |
| D | reserved-memory.txt | 3 Reserved memory is specified as a node under the /reserved-memory node.
5 one can create child nodes describing particular reserved (excluded from
12 /reserved-memory node
13 ---------------------
14 #address-cells, #size-cells (required) - standard definition
15 - Should use the same values as the root node
16 ranges (required) - standard definition
17 - Should be empty
19 /reserved-memory/ child nodes
20 -----------------------------
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| /linux-5.10/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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| D | graph.txt | 4 ---------------
8 devices that work together to form a logical compound device, following an
10 There already is a simple directed graph between devices tree nodes using
12 can not be inferred from device tree parent-child relationships. The device
22 Documentation/devicetree/bindings/media/video-interfaces.txt.
24 the connecting data buses. A single port with multiple connections can
28 -----------------------------------
30 Ports are described by child 'port' nodes contained in the device node.
31 Each port node contains an 'endpoint' subnode for each remote device port
32 connected to this port. If a single port is connected to more than one
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| /linux-5.10/Documentation/devicetree/bindings/slimbus/ |
| D | bus.txt | 3 SLIMbus is a 2-wire bus, and is used to communicate with peripheral
4 components like audio-codec.
6 Required property for SLIMbus controller node:
7 - compatible - name of SLIMbus controller
9 Child nodes:
10 Every SLIMbus controller node can contain zero or more child nodes
15 If child node is not present and it is instantiated after device
18 In some cases it may be necessary to describe non-probeable device
19 details such as non-standard ways of powering up a device. In
20 such cases, child nodes for those devices will be present as
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| /linux-5.10/Documentation/devicetree/bindings/i2c/ |
| D | i2c-mux.txt | 3 An i2c bus multiplexer/switch will have several child busses that are
4 numbered uniquely in a device dependent manner. The nodes for an i2c bus
5 multiplexer/switch will have one child node for each child bus.
8 - #address-cells = <1>;
9 This property is required if the i2c-mux child node does not exist.
11 - #size-cells = <0>;
12 This property is required if the i2c-mux child node does not exist.
14 - i2c-mux
15 For i2c multiplexers/switches that have child nodes that are a mixture
16 of both i2c child busses and other child nodes, the 'i2c-mux' subnode
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| /linux-5.10/Documentation/devicetree/bindings/mailbox/ |
| D | omap-mailbox.txt | 5 using a queued mailbox interrupt mechanism. The IP block is external to the
7 communication is achieved through a set of registers for message storage and
10 Each mailbox IP block/cluster has a certain number of h/w fifo queues and output
12 within a processor subsystem, and there can be more than one line going to a
15 (excluding the SoCs that have a Interrupt Crossbar IP). Each interrupt line is
16 programmable through a set of interrupt configuration registers, and have a rx
22 All the current OMAP SoCs except for the newest DRA7xx SoC has a single IP
25 routed to different processor sub-systems on DRA7xx as they are routed through
26 the Crossbar, a kind of interrupt router/multiplexer. The K3 AM65x and J721E
27 SoCs has each of these instances form a cluster and combine multiple clusters
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| /linux-5.10/drivers/net/mdio/ |
| D | of_mdio.c | 1 // SPDX-License-Identifier: GPL-2.0-only
29 * ethernet-phy-idAAAA.BBBB */
32 struct property *prop; in of_get_phy_id()
37 if (sscanf(cp, "ethernet-phy-id%4x.%4x", &upper, &lower) == 2) { in of_get_phy_id()
42 return -EINVAL; in of_get_phy_id()
45 static struct mii_timestamper *of_find_mii_timestamper(struct device_node *node) in of_find_mii_timestamper() argument
50 err = of_parse_phandle_with_fixed_args(node, "timestamper", 1, 0, &arg); in of_find_mii_timestamper()
52 if (err == -ENOENT) in of_find_mii_timestamper()
58 return ERR_PTR(-EINVAL); in of_find_mii_timestamper()
64 struct device_node *child, u32 addr) in of_mdiobus_phy_device_register() argument
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| /linux-5.10/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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| /linux-5.10/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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