| /Linux-v6.1/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()
28 * device_property_present - check if a property of a device is present
29 * @dev: Device whose property is being checked
30 * @propname: Name of the property
32 * Check if property @propname is present in the device firmware description.
41 * fwnode_property_present - check if a property of a firmware node is present
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| /Linux-v6.1/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-v6.1/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 | 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 | 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 */
28 #include <linux/i2c-mux.h>
53 * Expected message may have a message level other than KERN_INFO.
71 np = of_find_node_by_path("/testcase-data"); in of_unittest_find_node_by_name()
73 unittest(np && !strcmp("/testcase-data", name), in of_unittest_find_node_by_name()
74 "find /testcase-data failed\n"); in of_unittest_find_node_by_name()
79 np = of_find_node_by_path("/testcase-data/"); in of_unittest_find_node_by_name()
80 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
37 * of_fdt_limit_memory - limit the number of regions in the /memory node
41 * memory entries in the /memory node. This function may be called
61 "#address-cells", NULL); in of_fdt_limit_memory()
66 "#size-cells", NULL); in of_fdt_limit_memory()
84 static bool of_fdt_device_is_available(const void *blob, unsigned long node) in of_fdt_device_is_available() argument
86 const char *status = fdt_getprop(blob, node, "status", NULL); in of_fdt_device_is_available()
116 struct property *pp, **pprev = NULL; in populate_properties()
120 pprev = &np->properties; in populate_properties()
130 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 * 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-v6.1/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-v6.1/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-v6.1/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-v6.1/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-v6.1/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-v6.1/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-v6.1/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-v6.1/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-v6.1/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-v6.1/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-v6.1/Documentation/devicetree/bindings/media/ |
| D | samsung-fimc.txt | 2 ----------------------------------------------
4 The S5P/Exynos SoC Camera subsystem comprises of multiple sub-devices
6 the S5P SoCs series known as CAMIF), MIPI CSIS, FIMC-LITE and FIMC-IS (ISP).
8 The sub-subdevices are defined as child nodes of the common 'camera' node which
10 any single sub-device, like common camera port pins or the CAMCLK clock outputs
13 Common 'camera' node
14 --------------------
18 - compatible: must be "samsung,fimc", "simple-bus"
19 - clocks: list of clock specifiers, corresponding to entries in
20 the clock-names property;
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| /Linux-v6.1/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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