summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/of.h41
-rw-r--r--include/linux/of_platform.h7
2 files changed, 47 insertions, 1 deletions
diff --git a/include/linux/of.h b/include/linux/of.h
index 9180dc5cb00..92c40a14224 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -68,6 +68,7 @@ struct device_node {
/* Pointer for first entry in chain of all nodes. */
extern struct device_node *allnodes;
extern struct device_node *of_chosen;
+extern struct device_node *of_aliases;
extern rwlock_t devtree_lock;
static inline bool of_have_populated_dt(void)
@@ -199,6 +200,8 @@ extern int of_property_read_u32_array(const struct device_node *np,
const char *propname,
u32 *out_values,
size_t sz);
+extern int of_property_read_u64(const struct device_node *np,
+ const char *propname, u64 *out_value);
extern int of_property_read_string(struct device_node *np,
const char *propname,
@@ -209,6 +212,9 @@ extern int of_device_is_available(const struct device_node *device);
extern const void *of_get_property(const struct device_node *node,
const char *name,
int *lenp);
+#define for_each_property(pp, properties) \
+ for (pp = properties; pp != NULL; pp = pp->next)
+
extern int of_n_addr_cells(struct device_node *np);
extern int of_n_size_cells(struct device_node *np);
extern const struct of_device_id *of_match_node(
@@ -221,6 +227,9 @@ extern int of_parse_phandles_with_args(struct device_node *np,
const char *list_name, const char *cells_name, int index,
struct device_node **out_node, const void **out_args);
+extern void of_alias_scan(void * (*dt_alloc)(u64 size, u64 align));
+extern int of_alias_get_id(struct device_node *np, const char *stem);
+
extern int of_machine_is_compatible(const char *compat);
extern int prom_add_property(struct device_node* np, struct property* prop);
@@ -235,6 +244,7 @@ extern void of_attach_node(struct device_node *);
extern void of_detach_node(struct device_node *);
#endif
+#define of_match_ptr(_ptr) (_ptr)
#else /* CONFIG_OF */
static inline bool of_have_populated_dt(void)
@@ -242,6 +252,22 @@ static inline bool of_have_populated_dt(void)
return false;
}
+#define for_each_child_of_node(parent, child) \
+ while (0)
+
+static inline int of_device_is_compatible(const struct device_node *device,
+ const char *name)
+{
+ return 0;
+}
+
+static inline struct property *of_find_property(const struct device_node *np,
+ const char *name,
+ int *lenp)
+{
+ return NULL;
+}
+
static inline int of_property_read_u32_array(const struct device_node *np,
const char *propname,
u32 *out_values, size_t sz)
@@ -263,6 +289,21 @@ static inline const void *of_get_property(const struct device_node *node,
return NULL;
}
+static inline int of_property_read_u64(const struct device_node *np,
+ const char *propname, u64 *out_value)
+{
+ return -ENOSYS;
+}
+
+static inline struct device_node *of_parse_phandle(struct device_node *np,
+ const char *phandle_name,
+ int index)
+{
+ return NULL;
+}
+
+#define of_match_ptr(_ptr) NULL
+#define of_match_node(_matches, _node) NULL
#endif /* CONFIG_OF */
static inline int of_property_read_u32(const struct device_node *np,
diff --git a/include/linux/of_platform.h b/include/linux/of_platform.h
index 5a6f458a4bb..0c53ecbd937 100644
--- a/include/linux/of_platform.h
+++ b/include/linux/of_platform.h
@@ -45,13 +45,18 @@ struct of_dev_auxdata {
char *compatible;
resource_size_t phys_addr;
char *name;
+ int id;
void *platform_data;
};
/* Macro to simplify populating a lookup table */
#define OF_DEV_AUXDATA(_compat,_phys,_name,_pdata) \
{ .compatible = _compat, .phys_addr = _phys, .name = _name, \
- .platform_data = _pdata }
+ .id = -1, .platform_data = _pdata }
+
+#define OF_DEV_AUXDATA_ID(_compat,_phys,_name,_id,_pdata) \
+ { .compatible = _compat, .phys_addr = _phys, .name = _name, \
+ .id = _id, .platform_data = _pdata }
/**
* of_platform_driver - Legacy of-aware driver for platform devices.