1 #ifndef _LINUX_OF_PLATFORM_H
2 #define _LINUX_OF_PLATFORM_H
4 * Copyright (C) 2006 Benjamin Herrenschmidt, IBM Corp.
5 * <benh@kernel.crashing.org>
7 * This program is free software; you can redistribute it and/or
8 * modify it under the terms of the GNU General Public License
9 * as published by the Free Software Foundation; either version
10 * 2 of the License, or (at your option) any later version.
14 #ifdef CONFIG_OF_DEVICE
15 #include <linux/module.h>
16 #include <linux/device.h>
17 #include <linux/mod_devicetable.h>
19 #include <linux/of_device.h>
22 * The of_platform_bus_type is a bus type used by drivers that do not
23 * attach to a macio or similar bus but still use OF probing
26 extern struct bus_type of_platform_bus_type;
28 extern const struct of_device_id of_default_bus_ids[];
31 * An of_platform_driver driver is attached to a basic of_device on
32 * the "platform bus" (of_platform_bus_type).
34 struct of_platform_driver
36 int (*probe)(struct of_device* dev,
37 const struct of_device_id *match);
38 int (*remove)(struct of_device* dev);
40 int (*suspend)(struct of_device* dev, pm_message_t state);
41 int (*resume)(struct of_device* dev);
42 int (*shutdown)(struct of_device* dev);
44 struct device_driver driver;
46 #define to_of_platform_driver(drv) \
47 container_of(drv,struct of_platform_driver, driver)
49 extern int of_register_driver(struct of_platform_driver *drv,
50 struct bus_type *bus);
51 extern void of_unregister_driver(struct of_platform_driver *drv);
53 /* Platform drivers register/unregister */
54 static inline int of_register_platform_driver(struct of_platform_driver *drv)
56 return of_register_driver(drv, &of_platform_bus_type);
58 static inline void of_unregister_platform_driver(struct of_platform_driver *drv)
60 of_unregister_driver(drv);
63 #include <asm/of_platform.h>
65 extern struct of_device *of_find_device_by_node(struct device_node *np);
67 extern int of_bus_type_init(struct bus_type *bus, const char *name);
69 #if !defined(CONFIG_SPARC) /* SPARC has its own device registration method */
70 /* Platform devices and busses creation */
71 extern struct of_device *of_platform_device_create(struct device_node *np,
73 struct device *parent);
75 /* pseudo "matches" value to not do deep probe */
76 #define OF_NO_DEEP_PROBE ((struct of_device_id *)-1)
78 extern int of_platform_bus_probe(struct device_node *root,
79 const struct of_device_id *matches,
80 struct device *parent);
81 #endif /* !CONFIG_SPARC */
83 #endif /* CONFIG_OF_DEVICE */
85 #endif /* _LINUX_OF_PLATFORM_H */