3 files changed, 97 insertions, 1 deletions
diff --git a/include/dm/device.h b/include/dm/device.h
index add67f9ec06..678cd83c271 100644
--- a/include/dm/device.h
+++ b/include/dm/device.h
@@ -81,7 +81,10 @@ struct driver_info;
  */
 #define DM_FLAG_VITAL			(1 << 14)
 
-/* Device must be probed after it was bound */
+/* Device must be probed after it was bound. This flag is per-device and does
+ * nothing if set on a U_BOOT_DRIVER() definition. Apply it with
+ * dev_or_flags(dev, DM_FLAG_PROBE_AFTER_BIND) in the devices bind function.
+ */
 #define DM_FLAG_PROBE_AFTER_BIND	(1 << 15)
 
 /*
diff --git a/include/dm/ofnode_graph.h b/include/dm/ofnode_graph.h
new file mode 100644
index 00000000000..908c990a3f3
--- /dev/null
+++ b/include/dm/ofnode_graph.h
@@ -0,0 +1,90 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (c) 2025 Svyatoslav Ryhel <clamor95@gmail.com>
+ */
+
+#ifndef _DM_OFNODE_GRAPH_H
+#define _DM_OFNODE_GRAPH_H
+
+#include <dm/of.h>
+
+/**
+ * ofnode_graph_get_endpoint_count() - get the number of endpoints in a device ofnode
+ * @parent: ofnode to the device containing ports and endpoints
+ *
+ * Return: count of endpoint of this device ofnode
+ */
+unsigned int ofnode_graph_get_endpoint_count(ofnode parent);
+
+/**
+ * ofnode_graph_get_port_count() - get the number of port in a device or ports ofnode
+ * @parent: ofnode to the device or ports node
+ *
+ * Return: count of port of this device or ports node
+ */
+unsigned int ofnode_graph_get_port_count(ofnode parent);
+
+/**
+ * ofnode_graph_get_port_by_id() - get the port matching a given id
+ * @parent: parent ofnode
+ * @id: id of the port
+ *
+ * Return: ofnode in given port.
+ */
+ofnode ofnode_graph_get_port_by_id(ofnode parent, u32 id);
+
+/**
+ * ofnode_graph_get_endpoint_by_regs() - get the endpoint matching a given id
+ * @parent: parent ofnode
+ * @reg_id: id of the port
+ * @id: id for the endpoint
+ *
+ * Return: ofnode in given endpoint or NULL if not found.
+ * reg and port_reg are ignored when they are -1.
+ */
+ofnode ofnode_graph_get_endpoint_by_regs(ofnode parent, u32 reg_id, u32 id);
+
+/**
+ * ofnode_graph_get_remote_endpoint() - get remote endpoint node
+ * @endoint: ofnode of a local endpoint
+ *
+ * Return: Remote endpoint ofnode linked with local endpoint.
+ */
+ofnode ofnode_graph_get_remote_endpoint(ofnode endpoint);
+
+/**
+ * ofnode_graph_get_port_parent() - get port's parent node
+ * @endpoint: ofnode of a local endpoint
+ *
+ * Return: device ofnode associated with endpoint
+ */
+ofnode ofnode_graph_get_port_parent(ofnode endpoint);
+
+/**
+ * ofnode_graph_get_remote_port_parent() - get remote port's parent ofnode
+ * @endoint: ofnode of a local endpoint
+ *
+ * Return: device ofnode associated with endpoint linked to local endpoint.
+ */
+ofnode ofnode_graph_get_remote_port_parent(ofnode endpoint);
+
+/**
+ * ofnode_graph_get_remote_port() - get remote port ofnode
+ * @endoint: ofnode of a local endpoint
+ *
+ * Return: port ofnode associated with remote endpoint node linked
+ * to local endpoint.
+ */
+ofnode ofnode_graph_get_remote_port(ofnode endpoint);
+
+/**
+ * ofnode_graph_get_remote_node() - get remote parent ofnode for given port/endpoint
+ * @parent: parent ofnode containing graph port/endpoint
+ * @port: identifier (value of reg property) of the parent port ofnode
+ * @endpoint: identifier (value of reg property) of the endpoint ofnode
+ *
+ * Return: device ofnode associated with endpoint linked to local endpoint.
+ */
+ofnode ofnode_graph_get_remote_node(ofnode parent, u32 port, u32 endpoint);
+
+#endif
diff --git a/include/dm/platform_data/serial_mxc.h b/include/dm/platform_data/serial_mxc.h
index cc59eeb1dd1..52657aa3deb 100644
--- a/include/dm/platform_data/serial_mxc.h
+++ b/include/dm/platform_data/serial_mxc.h
@@ -9,6 +9,9 @@
 /* Information about a serial port */
 struct mxc_serial_plat {
 	struct mxc_uart *reg;  /* address of registers in physical memory */
+#if CONFIG_IS_ENABLED(CLK_CCF)
+	struct clk_bulk clks;
+#endif
 	bool use_dte;
 };