2 * V4L2 OF binding parsing library
4 * Copyright (C) 2012 - 2013 Samsung Electronics Co., Ltd.
5 * Author: Sylwester Nawrocki <s.nawrocki@samsung.com>
7 * Copyright (C) 2012 Renesas Electronics Corp.
8 * Author: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of version 2 of the GNU General Public License as
12 * published by the Free Software Foundation.
17 #include <linux/list.h>
18 #include <linux/types.h>
19 #include <linux/errno.h>
21 #include <media/v4l2-mediabus.h>
26 * struct v4l2_of_bus_mipi_csi2 - MIPI CSI-2 bus data structure
27 * @flags: media bus (V4L2_MBUS_*) flags
28 * @data_lanes: an array of physical data lane indexes
29 * @clock_lane: physical lane index of the clock lane
30 * @num_data_lanes: number of data lanes
32 struct v4l2_of_bus_mipi_csi2 {
34 unsigned char data_lanes[4];
35 unsigned char clock_lane;
36 unsigned short num_data_lanes;
40 * struct v4l2_of_bus_parallel - parallel data bus data structure
41 * @flags: media bus (V4L2_MBUS_*) flags
42 * @bus_width: bus width in bits
43 * @data_shift: data shift in bits
45 struct v4l2_of_bus_parallel {
47 unsigned char bus_width;
48 unsigned char data_shift;
52 * struct v4l2_of_endpoint - the endpoint data structure
53 * @port: identifier (value of reg property) of a port this endpoint belongs to
54 * @id: identifier (value of reg property) of this endpoint
55 * @local_node: pointer to device_node of this endpoint
56 * @remote: phandle to remote endpoint node
58 * @bus: bus configuration data structure
59 * @head: list head for this structure
61 struct v4l2_of_endpoint {
64 const struct device_node *local_node;
66 enum v4l2_mbus_type bus_type;
68 struct v4l2_of_bus_parallel parallel;
69 struct v4l2_of_bus_mipi_csi2 mipi_csi2;
71 struct list_head head;
75 void v4l2_of_parse_endpoint(const struct device_node *node,
76 struct v4l2_of_endpoint *link);
77 struct device_node *v4l2_of_get_next_endpoint(const struct device_node *parent,
78 struct device_node *previous);
79 struct device_node *v4l2_of_get_remote_port_parent(
80 const struct device_node *node);
81 struct device_node *v4l2_of_get_remote_port(const struct device_node *node);
84 static inline int v4l2_of_parse_endpoint(const struct device_node *node,
85 struct v4l2_of_endpoint *link)
90 static inline struct device_node *v4l2_of_get_next_endpoint(
91 const struct device_node *parent,
92 struct device_node *previous)
97 static inline struct device_node *v4l2_of_get_remote_port_parent(
98 const struct device_node *node)
103 static inline struct device_node *v4l2_of_get_remote_port(
104 const struct device_node *node)
109 #endif /* CONFIG_OF */
111 #endif /* _V4L2_OF_H */