binman: Expand documentation for entries

[oweals/u-boot.git] / tools / binman / etype / u_boot_ucode.py

diff --git a/tools/binman/etype/u_boot_ucode.py b/tools/binman/etype/u_boot_ucode.py
index 922a607cfe648fffd79d0b7bcd3a5270f1434567..0f1761afc8f2486947635024ff9559d2a86664fb 100644 (file)
--- a/tools/binman/etype/u_boot_ucode.py
+++ b/tools/binman/etype/u_boot_ucode.py
@@ -12,6 +12,12 @@ import tools
 class Entry_u_boot_ucode(Entry_blob):
     """U-Boot microcode block
 
+    Properties / Entry arguments:
+        None
+
+    The contents of this entry are filled in automatically by other entries
+    which must also be in the image.
+
     U-Boot on x86 needs a single block of microcode. This is collected from
     the various microcode update nodes in the device tree. It is also unable
     to read the microcode from the device tree on platforms that use FSP