@@ -2384,3 +2384,49 @@ struct device_node *of_graph_get_remote_port(const struct device_node *node)
return of_get_next_parent(np);
}
EXPORT_SYMBOL(of_graph_get_remote_port);
+
+static bool of_graph_node_type_is(struct device_node *np, char *type)
+{
+ const char *prop = NULL;
+
+ of_property_read_string(np, "type", &prop);
+
+ if (prop &&
+ strcmp(prop, type) == 0)
+ return true;
+
+ return false;
+}
+
+bool of_graph_port_type_is(struct device_node *port, char *type)
+{
+ struct device_node *ports;
+ bool ret;
+
+ /* try port side */
+ ret = of_graph_node_type_is(port, type);
+ if (ret)
+ return ret;
+
+ /* try ports side */
+ ports = of_get_next_parent(port);
+ if (ports && of_node_cmp(ports->name, "ports") == 0)
+ return of_graph_node_type_is(ports, type);
+
+ return false;
+}
+EXPORT_SYMBOL(of_graph_port_type_is);
+
+bool of_graph_endpoint_type_is(struct device_node *ep, char *type)
+{
+ bool ret;
+
+ /* try endpoint side */
+ ret = of_graph_node_type_is(ep, type);
+ if (ret)
+ return ret;
+
+ /* try port side */
+ return of_graph_port_type_is(of_get_parent(ep), type);
+}
+EXPORT_SYMBOL(of_graph_endpoint_type_is);
@@ -40,9 +40,14 @@ struct of_endpoint {
for (child = of_graph_get_next_endpoint(parent, NULL); child != NULL; \
child = of_graph_get_next_endpoint(parent, child))
+#define of_graph_port_type_is_sound(n) of_graph_port_type_is(n, "sound")
+#define of_graph_endpoint_type_is_sound(n) of_graph_endpoint_type_is(n, "sound")
+
#ifdef CONFIG_OF
int of_graph_parse_endpoint(const struct device_node *node,
struct of_endpoint *endpoint);
+bool of_graph_port_type_is(struct device_node *port, char *type);
+bool of_graph_endpoint_type_is(struct device_node *ep, char *type);
struct device_node *of_graph_get_port_by_id(struct device_node *node, u32 id);
struct device_node *of_graph_get_next_endpoint(const struct device_node *parent,
struct device_node *previous);
@@ -61,6 +66,16 @@ static inline int of_graph_parse_endpoint(const struct device_node *node,
return -ENOSYS;
}
+static bool of_graph_port_type_is(struct device_node *port, char *type)
+{
+ return false;
+}
+
+static bool of_graph_endpoint_type_is(struct device_node *ep, char *type)
+{
+ return false;
+}
+
static inline struct device_node *of_graph_get_port_by_id(
struct device_node *node, u32 id)
{