54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/*
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* Copyright (c) 2013 Google, Inc
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*
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* (C) Copyright 2012
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* Pavel Herrmann <morpheus.ibis@gmail.com>
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _DM_ROOT_H_
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#define _DM_ROOT_H_
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struct device;
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/**
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* dm_root() - Return pointer to the top of the driver tree
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*
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* This function returns pointer to the root node of the driver tree,
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*
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* @return pointer to root device, or NULL if not inited yet
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*/
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struct device *dm_root(void);
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/**
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* dm_scan_platdata() - Scan all platform data and bind drivers
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*
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* This scans all available platdata and creates drivers for each
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*
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* @return 0 if OK, -ve on error
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*/
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int dm_scan_platdata(void);
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/**
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* dm_scan_fdt() - Scan the device tree and bind drivers
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*
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* This scans the device tree and creates a driver for each node
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*
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* @blob: Pointer to device tree blob
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* @return 0 if OK, -ve on error
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*/
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int dm_scan_fdt(const void *blob);
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/**
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* dm_init() - Initialize Driver Model structures
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*
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* This function will initialize roots of driver tree and class tree.
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* This needs to be called before anything uses the DM
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*
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* @return 0 if OK, -ve on error
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*/
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int dm_init(void);
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#endif
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