int pmic_bind_children(struct udevice *pmic, ofnode parent,
		       const struct pmic_child_info *child_info)
{
	const struct pmic_child_info *info;
	struct driver *drv;
	struct udevice *child;
	const char *node_name;
	int bind_count = 0;
	ofnode node;
	int prefix_len;
	int ret;

	debug("%s for '%s' at node offset: %d\n", __func__, pmic->name,
	      dev_of_offset(pmic));

	ofnode_for_each_subnode(node, parent) {
		node_name = ofnode_get_name(node);

		debug("* Found child node: '%s'\n", node_name);

		child = NULL;
		for (info = child_info; info->prefix && info->driver; info++) {
			debug("  - compatible prefix: '%s'\n", info->prefix);

			prefix_len = strlen(info->prefix);
			if (strncmp(info->prefix, node_name, prefix_len))
				continue;

			drv = lists_driver_lookup_name(info->driver);
			if (!drv) {
				debug("  - driver: '%s' not found!\n",
				      info->driver);
				continue;
			}

			debug("  - found child driver: '%s'\n", drv->name);

			ret = device_bind_with_driver_data(pmic, drv, node_name,
							   0, node, &child);
			if (ret) {
				debug("  - child binding error: %d\n", ret);
				continue;
			}

			debug("  - bound child device: '%s'\n", child->name);

			child->driver_data = trailing_strtol(node_name);

			debug("  - set 'child->driver_data': %lu\n",
			      child->driver_data);
			break;
		}

		if (child)
			bind_count++;
		else
			debug("  - compatible prefix not found\n");
	}
Beispiel #2
0
int device_bind_driver(struct udevice *parent, const char *drv_name,
		       const char *dev_name, struct udevice **devp)
{
	struct driver *drv;
	int ret;

	drv = lists_driver_lookup_name(drv_name);
	if (!drv) {
		printf("Cannot find driver '%s'\n", drv_name);
		return -ENOENT;
	}
	ret = device_bind(parent, drv, dev_name, NULL, -1, devp);
	if (ret) {
		printf("Cannot create device named '%s' (err=%d)\n",
		       dev_name, ret);
		return ret;
	}

	return 0;
}