mirror of
https://github.com/smaeul/u-boot.git
synced 2025-11-03 21:48:15 +00:00
e33dc221f4
In some cases we need to manually bind a device to a particular driver. Add a function to do this. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Jagannadha Sutradharudu Teki <jagannadh.teki@gmail.com> Acked-by: Heiko Schocher <hs@denx.de>
77 lines
2.2 KiB
C
77 lines
2.2 KiB
C
/*
|
|
* Copyright (c) 2013 Google, Inc
|
|
*
|
|
* (C) Copyright 2012
|
|
* Pavel Herrmann <morpheus.ibis@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#ifndef _DM_LISTS_H_
|
|
#define _DM_LISTS_H_
|
|
|
|
#include <dm/uclass-id.h>
|
|
|
|
/**
|
|
* lists_driver_lookup_name() - Return u_boot_driver corresponding to name
|
|
*
|
|
* This function returns a pointer to a driver given its name. This is used
|
|
* for binding a driver given its name and platdata.
|
|
*
|
|
* @name: Name of driver to look up
|
|
* @return pointer to driver, or NULL if not found
|
|
*/
|
|
struct driver *lists_driver_lookup_name(const char *name);
|
|
|
|
/**
|
|
* lists_uclass_lookup() - Return uclass_driver based on ID of the class
|
|
* id: ID of the class
|
|
*
|
|
* This function returns the pointer to uclass_driver, which is the class's
|
|
* base structure based on the ID of the class. Returns NULL on error.
|
|
*/
|
|
struct uclass_driver *lists_uclass_lookup(enum uclass_id id);
|
|
|
|
/**
|
|
* lists_bind_drivers() - search for and bind all drivers to parent
|
|
*
|
|
* This searches the U_BOOT_DEVICE() structures and creates new devices for
|
|
* each one. The devices will have @parent as their parent.
|
|
*
|
|
* @parent: parent device (root)
|
|
* @early_only: If true, bind only drivers with the DM_INIT_F flag. If false
|
|
* bind all drivers.
|
|
*/
|
|
int lists_bind_drivers(struct udevice *parent, bool pre_reloc_only);
|
|
|
|
/**
|
|
* lists_bind_fdt() - bind a device tree node
|
|
*
|
|
* This creates a new device bound to the given device tree node, with
|
|
* @parent as its parent.
|
|
*
|
|
* @parent: parent device (root)
|
|
* @blob: device tree blob
|
|
* @offset: offset of this device tree node
|
|
* @devp: if non-NULL, returns a pointer to the bound device
|
|
* @return 0 if device was bound, -EINVAL if the device tree is invalid,
|
|
* other -ve value on error
|
|
*/
|
|
int lists_bind_fdt(struct udevice *parent, const void *blob, int offset,
|
|
struct udevice **devp);
|
|
|
|
/**
|
|
* device_bind_driver() - bind a device to a driver
|
|
*
|
|
* This binds a new device to a driver.
|
|
*
|
|
* @parent: Parent device
|
|
* @drv_name: Name of driver to attach to this parent
|
|
* @dev_name: Name of the new device thus created
|
|
* @devp: Returns the newly bound device
|
|
*/
|
|
int device_bind_driver(struct udevice *parent, const char *drv_name,
|
|
const char *dev_name, struct udevice **devp);
|
|
|
|
#endif
|