2 * Definitions for building a device tree by calling into the
5 * Copyright (C) 2010 Andres Salomon <dilinger@queued.net>
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.
13 #ifndef _LINUX_OF_PDT_H
14 #define _LINUX_OF_PDT_H
16 /* overridable operations for calling into the PROM */
19 * buf should be 32 bytes; return 0 on success.
20 * If prev is NULL, the first property will be returned.
22 int (*nextprop)(phandle node, char *prev, char *buf);
24 /* for both functions, return proplen on success; -1 on error */
25 int (*getproplen)(phandle node, const char *prop);
26 int (*getproperty)(phandle node, const char *prop, char *buf,
29 /* phandles are 0 if no child or sibling exists */
30 phandle (*getchild)(phandle parent);
31 phandle (*getsibling)(phandle node);
34 extern void *prom_early_alloc(unsigned long size);
36 /* for building the device tree */
37 extern void of_pdt_build_devicetree(phandle root_node, struct of_pdt_ops *ops);
39 extern void (*prom_build_more)(struct device_node *dp,
40 struct device_node ***nextp);
42 #endif /* _LINUX_OF_PDT_H */