Merge branch 'graph' of https://source.denx.de/u-boot/custodians/u-boot-tegra into next

3 files changed, 145 insertions, 1 deletions

diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h
index 2372485c84e..db2ac7f83bb 100644
--- a/include/configs/sandbox.h
+++ b/include/configs/sandbox.h
@@ -6,7 +6,7 @@
 #ifndef __CONFIG_H
 #define __CONFIG_H
 
-#define CFG_MALLOC_F_ADDR		0x0010000
+#define CFG_MALLOC_F_ADDR		0x000f4000
 
 /* Size of our emulated memory */
 #define SB_CONCAT(x, y) x ## y
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 <[email protected]>
+ */
+
+#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/video_bridge.h b/include/video_bridge.h
index 3b429eac578..00e9804565c 100644
--- a/include/video_bridge.h
+++ b/include/video_bridge.h
@@ -54,6 +54,19 @@ struct video_bridge_ops {
 	int (*set_backlight)(struct udevice *dev, int percent);
 
 	/**
+	 * get_display_timing() - Get display timings from bridge.
+	 *
+	 * @dev:	Bridge device containing the linked display timings
+	 * @tim:	Place to put timings
+	 * @return 0 if OK, -ve on error
+	 *
+	 * This call it totally optional and useful mainly for integrated
+	 * bridges with fixed output device.
+	 */
+	int (*get_display_timing)(struct udevice *dev,
+				  struct display_timing *timing);
+
+	/**
 	 * read_edid() - Read information from EDID
 	 *
 	 * @dev:	Device to read from
@@ -67,6 +80,7 @@ struct video_bridge_ops {
 #define video_bridge_get_ops(dev) \
 		((struct video_bridge_ops *)(dev)->driver->ops)
 
+#if CONFIG_IS_ENABLED(VIDEO_BRIDGE)
 /**
  * video_bridge_attach() - attach a video bridge
  *
@@ -99,6 +113,14 @@ int video_bridge_set_active(struct udevice *dev, bool active);
 int video_bridge_check_attached(struct udevice *dev);
 
 /**
+ * video_bridge_get_display_timing() - Get display timings from bridge.
+ *
+ * @dev:	Bridge device containing the linked display timings
+ * Return: 0 if OK, -ve on error
+ */
+int video_bridge_get_display_timing(struct udevice *dev,
+				    struct display_timing *timing);
+/**
  * video_bridge_read_edid() - Read information from EDID
  *
  * @dev:	Device to read from
@@ -107,5 +129,37 @@ int video_bridge_check_attached(struct udevice *dev);
  * Return: number of bytes read, <=0 for error
  */
 int video_bridge_read_edid(struct udevice *dev, u8 *buf, int buf_size);
+#else
+static inline int video_bridge_attach(struct udevice *dev)
+{
+	return -ENOSYS;
+}
+
+static inline int video_bridge_set_backlight(struct udevice *dev, int percent)
+{
+	return -ENOSYS;
+}
+
+static inline int video_bridge_set_active(struct udevice *dev, bool active)
+{
+	return -ENOSYS;
+}
+
+static inline int video_bridge_check_attached(struct udevice *dev)
+{
+	return -ENOSYS;
+}
+
+static inline int video_bridge_get_display_timing(struct udevice *dev,
+						  struct display_timing *timing)
+{
+	return -ENOSYS;
+}
+
+static inline int video_bridge_read_edid(struct udevice *dev, u8 *buf, int buf_size)
+{
+	return -ENOSYS;
+}
+#endif /* CONFIG_VIDEO_BRIDGE */
 
 #endif