binman: Support alignment of files

When packing files it is sometimes useful to align the start of each file,
e.g. if the flash driver can only access 32-bit-aligned data. Provides a
new property to support this.

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

1 files changed, 12 insertions, 0 deletions

diff --git a/tools/dtoc/fdt.py b/tools/dtoc/fdt.py
index 965106a..25ce513 100644
--- a/tools/dtoc/fdt.py
+++ b/tools/dtoc/fdt.py
@@ -463,6 +463,18 @@ class Node:
         val = bytes(val, 'utf-8')
         self.AddData(prop_name, val + b'\0')
 
+    def AddInt(self, prop_name, val):
+        """Add a new integer property to a node
+
+        The device tree is marked dirty so that the value will be written to
+        the blob on the next sync.
+
+        Args:
+            prop_name: Name of property to add
+            val: Integer value of property
+        """
+        self.AddData(prop_name, struct.pack('>I', val))
+
     def AddSubnode(self, name):
         """Add a new subnode to the node