2 * Copyright (c) 2013 Google, Inc
5 * Marek Vasut <marex@denx.de>
7 * SPDX-License-Identifier: GPL-2.0+
12 #include <dm/device.h>
13 #include <dm/device-internal.h>
14 #include <dm/platdata.h>
15 #include <dm/uclass.h>
17 #include <linux/compiler.h>
19 struct driver *lists_driver_lookup_name(const char *name)
22 ll_entry_start(struct driver, driver);
23 const int n_ents = ll_entry_count(struct driver, driver);
32 for (entry = drv; entry != drv + n_ents; entry++) {
33 if (strncmp(name, entry->name, len))
37 if (len == strlen(entry->name))
45 struct uclass_driver *lists_uclass_lookup(enum uclass_id id)
47 struct uclass_driver *uclass =
48 ll_entry_start(struct uclass_driver, uclass);
49 const int n_ents = ll_entry_count(struct uclass_driver, uclass);
50 struct uclass_driver *entry;
52 if ((id == UCLASS_INVALID) || !uclass)
55 for (entry = uclass; entry != uclass + n_ents; entry++) {
63 int lists_bind_drivers(struct device *parent)
65 struct driver_info *info =
66 ll_entry_start(struct driver_info, driver_info);
67 const int n_ents = ll_entry_count(struct driver_info, driver_info);
68 struct driver_info *entry;
73 for (entry = info; entry != info + n_ents; entry++) {
74 ret = device_bind_by_name(parent, entry, &dev);
76 dm_warn("No match for driver '%s'\n", entry->name);
77 if (!result || ret != -ENOENT)
85 #ifdef CONFIG_OF_CONTROL
87 * driver_check_compatible() - Check if a driver is compatible with this node
89 * @param blob: Device tree pointer
90 * @param offset: Offset of node in device tree
91 * @param of_matchL List of compatible strings to match
92 * @return 0 if there is a match, -ENOENT if no match, -ENODEV if the node
93 * does not have a compatible string, other error <0 if there is a device
96 static int driver_check_compatible(const void *blob, int offset,
97 const struct device_id *of_match)
104 while (of_match->compatible) {
105 ret = fdt_node_check_compatible(blob, offset,
106 of_match->compatible);
109 else if (ret == -FDT_ERR_NOTFOUND)
119 int lists_bind_fdt(struct device *parent, const void *blob, int offset)
121 struct driver *driver = ll_entry_start(struct driver, driver);
122 const int n_ents = ll_entry_count(struct driver, driver);
123 struct driver *entry;
129 dm_dbg("bind node %s\n", fdt_get_name(blob, offset, NULL));
130 for (entry = driver; entry != driver + n_ents; entry++) {
131 ret = driver_check_compatible(blob, offset, entry->of_match);
132 if (ret == -ENOENT) {
134 } else if (ret == -ENODEV) {
137 dm_warn("Device tree error at offset %d\n", offset);
138 if (!result || ret != -ENOENT)
143 name = fdt_get_name(blob, offset, NULL);
144 dm_dbg(" - found match at '%s'\n", entry->name);
145 ret = device_bind(parent, entry, name, NULL, offset, &dev);
147 dm_warn("No match for driver '%s'\n", entry->name);
148 if (!result || ret != -ENOENT)