binman: Record the parent section of each section

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

diff --git a/tools/binman/etype/u_boot_spl_dtb.py b/tools/binman/etype/u_boot_spl_dtb.py
index eefa1ff53a4ad9c69215f1e67eb2cfc9f369e413..e7354646f136dec5e83dbd1e53f738a6c99a65f5 100644 (file)
--- a/tools/binman/etype/u_boot_spl_dtb.py
+++ b/tools/binman/etype/u_boot_spl_dtb.py
@@ -2,15 +2,24 @@
 # Copyright (c) 2016 Google, Inc
 # Written by Simon Glass <sjg@chromium.org>
 #
-# Entry-type module for U-Boot device tree
+# Entry-type module for U-Boot device tree in SPL (Secondary Program Loader)
 #
 
 from entry import Entry
-from blob import Entry_blob
+from blob_dtb import Entry_blob_dtb
 
-class Entry_u_boot_spl_dtb(Entry_blob):
+class Entry_u_boot_spl_dtb(Entry_blob_dtb):
+    """U-Boot SPL device tree
+
+    Properties / Entry arguments:
+        - filename: Filename of u-boot.dtb (default 'spl/u-boot-spl.dtb')
+
+    This is the SPL device tree, containing configuration information for
+    SPL. SPL needs this to know what devices are present and which drivers
+    to activate.
+    """
     def __init__(self, section, etype, node):
-        Entry_blob.__init__(self, section, etype, node)
+        Entry_blob_dtb.__init__(self, section, etype, node)
 
     def GetDefaultFilename(self):
         return 'spl/u-boot-spl.dtb'