dm: Add base driver model support
Add driver model functionality for generic board.
This includes data structures and base code for registering devices and
uclasses (groups of devices with the same purpose, e.g. all I2C ports will
be in the same uclass).
The feature is enabled with CONFIG_DM.
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Signed-off-by: Pavel Herrmann <morpheus.ibis@gmail.com>
Signed-off-by: Viktor Křivák <viktor.krivak@gmail.com>
Signed-off-by: Tomas Hlavacek <tmshlvck@gmail.com>
diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
new file mode 100644
index 0000000..f0e691c
--- /dev/null
+++ b/include/dm/uclass-id.h
@@ -0,0 +1,28 @@
+/*
+ * Copyright (c) 2013 Google, Inc
+ *
+ * (C) Copyright 2012
+ * Pavel Herrmann <morpheus.ibis@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _DM_UCLASS_ID_H
+#define _DM_UCLASS_ID_H
+
+/* TODO(sjg@chromium.org): this could be compile-time generated */
+enum uclass_id {
+ /* These are used internally by driver model */
+ UCLASS_ROOT = 0,
+ UCLASS_DEMO,
+ UCLASS_TEST,
+ UCLASS_TEST_FDT,
+
+ /* U-Boot uclasses start here */
+ UCLASS_GPIO,
+
+ UCLASS_COUNT,
+ UCLASS_INVALID = -1,
+};
+
+#endif