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Diffstat (limited to 'include/dm/root.h')
-rw-r--r-- | include/dm/root.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/include/dm/root.h b/include/dm/root.h new file mode 100644 index 0000000..0ebccda --- /dev/null +++ b/include/dm/root.h @@ -0,0 +1,53 @@ +/* + * Copyright (c) 2013 Google, Inc + * + * (C) Copyright 2012 + * Pavel Herrmann <morpheus.ibis@gmail.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef _DM_ROOT_H_ +#define _DM_ROOT_H_ + +struct device; + +/** + * dm_root() - Return pointer to the top of the driver tree + * + * This function returns pointer to the root node of the driver tree, + * + * @return pointer to root device, or NULL if not inited yet + */ +struct device *dm_root(void); + +/** + * dm_scan_platdata() - Scan all platform data and bind drivers + * + * This scans all available platdata and creates drivers for each + * + * @return 0 if OK, -ve on error + */ +int dm_scan_platdata(void); + +/** + * dm_scan_fdt() - Scan the device tree and bind drivers + * + * This scans the device tree and creates a driver for each node + * + * @blob: Pointer to device tree blob + * @return 0 if OK, -ve on error + */ +int dm_scan_fdt(const void *blob); + +/** + * dm_init() - Initialize Driver Model structures + * + * This function will initialize roots of driver tree and class tree. + * This needs to be called before anything uses the DM + * + * @return 0 if OK, -ve on error + */ +int dm_init(void); + +#endif |