Add a few notes to explain the purpose of each member of this struct.
Signed-off-by: Simon Glass <s...@chromium.org>
---
include/video.h | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/include/video.h b/include/video.h
index e7c58e86cb..813b5653b0 100644
--- a/include/video.h
+++ b/include/video.h
@@ -19,6 +19,18 @@
struct udevice;
+/**
+ * struct video_uc_platdata - uclass platform data for a video device
+ *
+ * This holds information that the uclass needs to know about each device. It
+ * is accessed using dev_get_uclass_platdata(dev). See 'Theory of operation' at
+ * the top of video-uclass.c for details on how this information is set.
+ *
+ * @align: Frame-buffer alignment, indicating the memory boundary the frame
+ * buffer should start on. If 0, 1MB is assumed
+ * @size: Frame-buffer size, in bytes
+ * @base: Base address of frame buffer, 0 if not yet known
+ */
struct video_uc_platdata {
uint align;
uint size;
--
2.26.2.761.g0e0b3e54be-goog
