1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (c) 2013 Google, Inc
6 * Pavel Herrmann <morpheus.ibis@gmail.com>
7 * Marek Vasut <marex@denx.de>
10 #ifndef _DM_PLATDATA_H
11 #define _DM_PLATDATA_H
13 #include <linker_lists.h>
16 * struct driver_info - Information required to instantiate a device
18 * NOTE: Avoid using this except in extreme circumstances, where device tree
19 * is not feasible (e.g. serial driver in SPL where <8KB of SRAM is
20 * available). U-Boot's driver model uses device tree for configuration.
23 * @platdata: Driver-specific platform data
24 * @platdata_size: Size of platform data structure
25 * @dev: Device created from this structure data
30 #if CONFIG_IS_ENABLED(OF_PLATDATA)
37 * NOTE: Avoid using these except in extreme circumstances, where device tree
38 * is not feasible (e.g. serial driver in SPL where <8KB of SRAM is
39 * available). U-Boot's driver model uses device tree for configuration.
41 #define U_BOOT_DEVICE(__name) \
42 ll_entry_declare(struct driver_info, __name, driver_info)
44 /* Declare a list of devices. The argument is a driver_info[] array */
45 #define U_BOOT_DEVICES(__name) \
46 ll_entry_declare_list(struct driver_info, __name, driver_info)
48 /* Get a pointer to a given driver */
49 #define DM_GET_DEVICE(__name) \
50 ll_entry_get(struct driver_info, __name, driver_info)
53 * dm_populate_phandle_data() - Populates phandle data in platda
55 * This populates phandle data with an U_BOOT_DEVICE entry get by
56 * DM_GET_DEVICE. The implementation of this function will be done
57 * by dtoc when parsing dtb.
59 void dm_populate_phandle_data(void);