binman: Expand documentation for entries

At present only the more complex entries are documented. It is useful to
have documentation for all entries in one place.

As a first step, add and expand the documentation to cover all entries.

Signed-off-by: Simon Glass <sjg@chromium.org>

1 files changed, 12 insertions, 0 deletions

diff --git a/tools/binman/etype/intel_vga.py b/tools/binman/etype/intel_vga.py
index 140dd40dda6..40982c86656 100644
--- a/tools/binman/etype/intel_vga.py
+++ b/tools/binman/etype/intel_vga.py
@@ -9,5 +9,17 @@ from entry import Entry
 from blob import Entry_blob
 
 class Entry_intel_vga(Entry_blob):
+    """Entry containing an Intel Video Graphics Adaptor (VGA) file
+
+    Properties / Entry arguments:
+        - filename: Filename of file to read into entry
+
+    This file contains code that sets up the integrated graphics subsystem on
+    some Intel SoCs. U-Boot executes this when the display is started up.
+
+    This is similar to the VBT file but in a different format.
+
+    See README.x86 for information about Intel binary blobs.
+    """
     def __init__(self, section, etype, node):
         Entry_blob.__init__(self, section, etype, node)