1 files changed, 44 insertions, 0 deletions
diff --git a/drivers/core/ofnode.c b/drivers/core/ofnode.c
index 8042847f3c1..a59832ebbfb 100644
--- a/drivers/core/ofnode.c
+++ b/drivers/core/ofnode.c
@@ -1198,3 +1198,47 @@ const char *ofnode_conf_read_str(const char *prop_name)
 
 	return ofnode_read_string(node, prop_name);
 }
+
+ofnode ofnode_get_phy_node(ofnode node)
+{
+	/* DT node properties that reference a PHY node */
+	static const char * const phy_handle_str[] = {
+		"phy-handle", "phy", "phy-device",
+	};
+	struct ofnode_phandle_args args = {
+		.node = ofnode_null()
+	};
+	int i;
+
+	assert(ofnode_valid(node));
+
+	for (i = 0; i < ARRAY_SIZE(phy_handle_str); i++)
+		if (!ofnode_parse_phandle_with_args(node, phy_handle_str[i],
+						    NULL, 0, 0, &args))
+			break;
+
+	return args.node;
+}
+
+phy_interface_t ofnode_read_phy_mode(ofnode node)
+{
+	const char *mode;
+	int i;
+
+	assert(ofnode_valid(node));
+
+	mode = ofnode_read_string(node, "phy-mode");
+	if (!mode)
+		mode = ofnode_read_string(node, "phy-connection-type");
+
+	if (!mode)
+		return PHY_INTERFACE_MODE_NA;
+
+	for (i = 0; i < PHY_INTERFACE_MODE_MAX; i++)
+		if (!strcmp(mode, phy_interface_strings[i]))
+			return i;
+
+	debug("%s: Invalid PHY interface '%s'\n", __func__, mode);
+
+	return PHY_INTERFACE_MODE_NA;
+}