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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 *
4 * Copyright (C) 2012 ARM Limited
5 */
6
7#ifndef _LINUX_VEXPRESS_H
8#define _LINUX_VEXPRESS_H
9
10#include <linux/device.h>
11#include <linux/regmap.h>
12
13#define VEXPRESS_SITE_MB 0
14#define VEXPRESS_SITE_DB1 1
15#define VEXPRESS_SITE_DB2 2
16#define VEXPRESS_SITE_MASTER 0xf
17
18/* Config infrastructure */
19
20void vexpress_config_set_master(u32 site);
21u32 vexpress_config_get_master(void);
22
23void vexpress_config_lock(void *arg);
24void vexpress_config_unlock(void *arg);
25
26int vexpress_config_get_topo(struct device_node *node, u32 *site,
27 u32 *position, u32 *dcc);
28
29/* Config bridge API */
30
31struct vexpress_config_bridge_ops {
32 struct regmap * (*regmap_init)(struct device *dev, void *context);
33 void (*regmap_exit)(struct regmap *regmap, void *context);
34};
35
36struct device *vexpress_config_bridge_register(struct device *parent,
37 struct vexpress_config_bridge_ops *ops, void *context);
38
39/* Config regmap API */
40
41struct regmap *devm_regmap_init_vexpress_config(struct device *dev);
42
43/* Platform control */
44
45void vexpress_flags_set(u32 data);
46
47#endif