typedef u32 phandle;
typedef u32 ihandle;
-struct interrupt_info {
- int line;
- int sense; /* +ve/-ve logic, edge or level, etc. */
-};
-
struct property {
char *name;
int length;
void *value;
struct property *next;
+ unsigned long _flags;
+ unsigned int unique_id;
};
+struct of_irq_controller;
struct device_node {
- char *name;
- char *type;
+ const char *name;
+ const char *type;
phandle node;
- phandle linux_phandle;
- int n_intrs;
- struct interrupt_info *intrs;
char *path_component_name;
char *full_name;
struct kref kref;
unsigned long _flags;
void *data;
+ unsigned int unique_id;
+
+ struct of_irq_controller *irq_trans;
};
+struct of_irq_controller {
+ unsigned int (*irq_build)(struct device_node *, unsigned int, void *);
+ void *data;
+};
+
+/* flag descriptions */
+#define OF_DYNAMIC 1 /* node and properties were allocated via kmalloc */
+
+#define OF_IS_DYNAMIC(x) test_bit(OF_DYNAMIC, &x->_flags)
+#define OF_MARK_DYNAMIC(x) set_bit(OF_DYNAMIC, &x->_flags)
+
+#define OF_BAD_ADDR ((u64)-1)
+
static inline void set_node_proc_entry(struct device_node *dn, struct proc_dir_entry *de)
{
dn->pde = de;
}
+extern struct device_node *of_find_node_by_name(struct device_node *from,
+ const char *name);
+#define for_each_node_by_name(dn, name) \
+ for (dn = of_find_node_by_name(NULL, name); dn; \
+ dn = of_find_node_by_name(dn, name))
+extern struct device_node *of_find_node_by_type(struct device_node *from,
+ const char *type);
+#define for_each_node_by_type(dn, type) \
+ for (dn = of_find_node_by_type(NULL, type); dn; \
+ dn = of_find_node_by_type(dn, type))
+extern struct device_node *of_find_compatible_node(struct device_node *from,
+ const char *type, const char *compat);
extern struct device_node *of_find_node_by_path(const char *path);
+extern struct device_node *of_find_node_by_phandle(phandle handle);
extern struct device_node *of_get_parent(const struct device_node *node);
extern struct device_node *of_get_next_child(const struct device_node *node,
struct device_node *prev);
-extern struct property *of_find_property(struct device_node *np,
+extern struct property *of_find_property(const struct device_node *np,
const char *name,
int *lenp);
+extern int of_device_is_compatible(const struct device_node *device,
+ const char *);
+extern const void *of_get_property(const struct device_node *node,
+ const char *name,
+ int *lenp);
+#define get_property(node,name,lenp) of_get_property(node,name,lenp)
+extern int of_set_property(struct device_node *node, const char *name, void *val, int len);
+extern int of_getintprop_default(struct device_node *np,
+ const char *name,
+ int def);
+extern int of_n_addr_cells(struct device_node *np);
+extern int of_n_size_cells(struct device_node *np);
extern void prom_build_devicetree(void);