1 /* 2 * Copyright (c) 2013 Google, Inc 3 * 4 * (C) Copyright 2012 5 * Pavel Herrmann <morpheus.ibis@gmail.com> 6 * 7 * SPDX-License-Identifier: GPL-2.0+ 8 */ 9 10 #ifndef _DM_LISTS_H_ 11 #define _DM_LISTS_H_ 12 13 #include <dm/uclass-id.h> 14 15 /** 16 * lists_driver_lookup_name() - Return u_boot_driver corresponding to name 17 * 18 * This function returns a pointer to a driver given its name. This is used 19 * for binding a driver given its name and platdata. 20 * 21 * @name: Name of driver to look up 22 * @return pointer to driver, or NULL if not found 23 */ 24 struct driver *lists_driver_lookup_name(const char *name); 25 26 /** 27 * lists_uclass_lookup() - Return uclass_driver based on ID of the class 28 * id: ID of the class 29 * 30 * This function returns the pointer to uclass_driver, which is the class's 31 * base structure based on the ID of the class. Returns NULL on error. 32 */ 33 struct uclass_driver *lists_uclass_lookup(enum uclass_id id); 34 35 /** 36 * lists_bind_drivers() - search for and bind all drivers to parent 37 * 38 * This searches the U_BOOT_DEVICE() structures and creates new devices for 39 * each one. The devices will have @parent as their parent. 40 * 41 * @parent: parent device (root) 42 * @early_only: If true, bind only drivers with the DM_INIT_F flag. If false 43 * bind all drivers. 44 */ 45 int lists_bind_drivers(struct udevice *parent, bool pre_reloc_only); 46 47 /** 48 * lists_bind_fdt() - bind a device tree node 49 * 50 * This creates a new device bound to the given device tree node, with 51 * @parent as its parent. 52 * 53 * @parent: parent device (root) 54 * @blob: device tree blob 55 * @offset: offset of this device tree node 56 * @devp: if non-NULL, returns a pointer to the bound device 57 * @return 0 if device was bound, -EINVAL if the device tree is invalid, 58 * other -ve value on error 59 */ 60 int lists_bind_fdt(struct udevice *parent, const void *blob, int offset, 61 struct udevice **devp); 62 63 /** 64 * device_bind_driver() - bind a device to a driver 65 * 66 * This binds a new device to a driver. 67 * 68 * @parent: Parent device 69 * @drv_name: Name of driver to attach to this parent 70 * @dev_name: Name of the new device thus created 71 * @devp: Returns the newly bound device 72 */ 73 int device_bind_driver(struct udevice *parent, const char *drv_name, 74 const char *dev_name, struct udevice **devp); 75 76 /** 77 * device_bind_driver_to_node() - bind a device to a driver for a node 78 * 79 * This binds a new device to a driver for a given device tree node. This 80 * should only be needed if the node lacks a compatible strings. 81 * 82 * @parent: Parent device 83 * @drv_name: Name of driver to attach to this parent 84 * @dev_name: Name of the new device thus created 85 * @node: Device tree node 86 * @devp: Returns the newly bound device 87 */ 88 int device_bind_driver_to_node(struct udevice *parent, const char *drv_name, 89 const char *dev_name, int node, 90 struct udevice **devp); 91 92 #endif 93