summaryrefslogtreecommitdiff
path: root/include/linux/of.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/of.h')
-rw-r--r--include/linux/of.h29
1 files changed, 29 insertions, 0 deletions
diff --git a/include/linux/of.h b/include/linux/of.h
index a0f12928494..1fd08ca2310 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -235,6 +235,9 @@ extern struct device_node *of_find_node_with_property(
extern struct property *of_find_property(const struct device_node *np,
const char *name,
int *lenp);
+extern int of_property_read_u32_index(const struct device_node *np,
+ const char *propname,
+ u32 index, u32 *out_value);
extern int of_property_read_u8_array(const struct device_node *np,
const char *propname, u8 *out_values, size_t sz);
extern int of_property_read_u16_array(const struct device_node *np,
@@ -353,6 +356,11 @@ static inline struct device_node *of_find_node_by_name(struct device_node *from,
return NULL;
}
+static inline struct device_node *of_get_parent(const struct device_node *node)
+{
+ return NULL;
+}
+
static inline bool of_have_populated_dt(void)
{
return false;
@@ -379,6 +387,11 @@ static inline int of_device_is_compatible(const struct device_node *device,
return 0;
}
+static inline int of_device_is_available(const struct device_node *device)
+{
+ return 0;
+}
+
static inline struct property *of_find_property(const struct device_node *np,
const char *name,
int *lenp)
@@ -394,6 +407,12 @@ static inline struct device_node *of_find_compatible_node(
return NULL;
}
+static inline int of_property_read_u32_index(const struct device_node *np,
+ const char *propname, u32 index, u32 *out_value)
+{
+ return -ENOSYS;
+}
+
static inline int of_property_read_u8_array(const struct device_node *np,
const char *propname, u8 *out_values, size_t sz)
{
@@ -540,4 +559,14 @@ static inline int of_property_read_u32(const struct device_node *np,
return of_property_read_u32_array(np, propname, out_value, 1);
}
+#if defined(CONFIG_PROC_FS) && defined(CONFIG_PROC_DEVICETREE)
+extern void proc_device_tree_add_node(struct device_node *, struct proc_dir_entry *);
+extern void proc_device_tree_add_prop(struct proc_dir_entry *pde, struct property *prop);
+extern void proc_device_tree_remove_prop(struct proc_dir_entry *pde,
+ struct property *prop);
+extern void proc_device_tree_update_prop(struct proc_dir_entry *pde,
+ struct property *newprop,
+ struct property *oldprop);
+#endif
+
#endif /* _LINUX_OF_H */