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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2013 Google, Inc
*
* (C) Copyright 2012
* Pavel Herrmann <morpheus.ibis@gmail.com>
* Marek Vasut <marex@denx.de>
*/
#ifndef _DM_PLATDATA_H
#define _DM_PLATDATA_H
#include <linker_lists.h>
/**
* struct driver_info - Information required to instantiate a device
*
* NOTE: Avoid using this except in extreme circumstances, where device tree
* is not feasible (e.g. serial driver in SPL where <8KB of SRAM is
* available). U-Boot's driver model uses device tree for configuration.
*
* @name: Driver name
* @platdata: Driver-specific platform data
* @platdata_size: Size of platform data structure
* @dev: Device created from this structure data
*/
struct driver_info {
const char *name;
const void *platdata;
#if CONFIG_IS_ENABLED(OF_PLATDATA)
uint platdata_size;
struct udevice *dev;
#endif
};
/**
* NOTE: Avoid using these except in extreme circumstances, where device tree
* is not feasible (e.g. serial driver in SPL where <8KB of SRAM is
* available). U-Boot's driver model uses device tree for configuration.
*/
#define U_BOOT_DEVICE(__name) \
ll_entry_declare(struct driver_info, __name, driver_info)
/* Declare a list of devices. The argument is a driver_info[] array */
#define U_BOOT_DEVICES(__name) \
ll_entry_declare_list(struct driver_info, __name, driver_info)
/* Get a pointer to a given driver */
#define DM_GET_DEVICE(__name) \
ll_entry_get(struct driver_info, __name, driver_info)
/**
* dm_populate_phandle_data() - Populates phandle data in platda
*
* This populates phandle data with an U_BOOT_DEVICE entry get by
* DM_GET_DEVICE. The implementation of this function will be done
* by dtoc when parsing dtb.
*/
void dm_populate_phandle_data(void);
#endif
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