Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) ST-Ericsson SA 2011
4 * Author: Lee Jones <lee.jones@linaro.org> for ST-Ericsson.
5 */
6#ifndef __SOC_BUS_H
7#define __SOC_BUS_H
8
9#include <linux/device.h>
10
11struct soc_device_attribute {
12 const char *machine;
13 const char *family;
14 const char *revision;
15 const char *serial_number;
16 const char *soc_id;
17 const void *data;
18 const struct attribute_group *custom_attr_group;
19};
20
21/**
22 * soc_device_register - register SoC as a device
23 * @soc_plat_dev_attr: Attributes passed from platform to be attributed to a SoC
24 */
25struct soc_device *soc_device_register(
26 struct soc_device_attribute *soc_plat_dev_attr);
27
28/**
29 * soc_device_unregister - unregister SoC device
30 * @dev: SoC device to be unregistered
31 */
32void soc_device_unregister(struct soc_device *soc_dev);
33
34/**
35 * soc_device_to_device - helper function to fetch struct device
36 * @soc: Previously registered SoC device container
37 */
38struct device *soc_device_to_device(struct soc_device *soc);
39
40/**
41 * soc_attr_read_machine - retrieve the machine model and store it in
42 * the soc_device_attribute structure
43 * @soc_dev_attr: SoC attribute structure to store the model in
44 *
45 * Returns:
46 * 0 on success, negative error number on failure.
47 */
48int soc_attr_read_machine(struct soc_device_attribute *soc_dev_attr);
49
50#ifdef CONFIG_SOC_BUS
51const struct soc_device_attribute *soc_device_match(
52 const struct soc_device_attribute *matches);
53#else
54static inline const struct soc_device_attribute *soc_device_match(
55 const struct soc_device_attribute *matches) { return NULL; }
56#endif
57
58#endif /* __SOC_BUS_H */