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https://github.com/AsahiLinux/u-boot
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6494d708bf
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>
53 lines
1.1 KiB
C
53 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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