Remove arch/${ARCH}/include/asm/errno.h

[oweals/u-boot.git] / tools / dtoc / fdt_util.py

diff --git a/tools/dtoc/fdt_util.py b/tools/dtoc/fdt_util.py
index 3e25a8b980e2ebf106a74ebc7c81729c7144d0c6..3a108381099e613a81fdf62e2f4727b8fb034b31 100644 (file)
--- a/tools/dtoc/fdt_util.py
+++ b/tools/dtoc/fdt_util.py
@@ -22,7 +22,7 @@ def fdt32_to_cpu(val):
     Return:
         A native-endian integer value
     """
-    return struct.unpack(">I", val)[0]
+    return struct.unpack('>I', val)[0]
 
 def EnsureCompiled(fname):
     """Compile an fdt .dts source file into a .dtb binary blob if needed.
@@ -59,3 +59,28 @@ def EnsureCompiled(fname):
     args.append(dts_input)
     command.Run('dtc', *args)
     return dtb_output
+
+def GetInt(node, propname, default=None):
+    prop = node.props.get(propname)
+    if not prop:
+        return default
+    value = fdt32_to_cpu(prop.value)
+    if type(value) == type(list):
+        raise ValueError("Node '%s' property '%' has list value: expecting"
+                         "a single integer" % (node.name, propname))
+    return value
+
+def GetString(node, propname, default=None):
+    prop = node.props.get(propname)
+    if not prop:
+        return default
+    value = prop.value
+    if type(value) == type(list):
+        raise ValueError("Node '%s' property '%' has list value: expecting"
+                         "a single string" % (node.name, propname))
+    return value
+
+def GetBool(node, propname, default=False):
+    if propname in node.props:
+        return True
+    return default