diff options
Diffstat (limited to 'include/linux/of.h')
| -rw-r--r-- | include/linux/of.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/include/linux/of.h b/include/linux/of.h index 9180dc5cb00b..4948552d60f5 100644 --- a/include/linux/of.h +++ b/include/linux/of.h @@ -17,11 +17,13 @@ */ #include <linux/types.h> #include <linux/bitops.h> +#include <linux/errno.h> #include <linux/kref.h> #include <linux/mod_devicetable.h> #include <linux/spinlock.h> #include <asm/byteorder.h> +#include <asm/errno.h> typedef u32 phandle; typedef u32 ihandle; @@ -68,6 +70,7 @@ 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) @@ -199,16 +202,26 @@ 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, const char **out_string); +extern int of_property_read_string_index(struct device_node *np, + const char *propname, + int index, const char **output); +extern int of_property_count_strings(struct device_node *np, + const char *propname); extern int of_device_is_compatible(const struct device_node *device, const char *); 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 +234,9 @@ 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 +251,7 @@ 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 +259,22 @@ 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) @@ -256,6 +289,19 @@ static inline int of_property_read_string(struct device_node *np, return -ENOSYS; } +static inline int of_property_read_string_index(struct device_node *np, + const char *propname, int index, + const char **out_string) +{ + return -ENOSYS; +} + +static inline int of_property_count_strings(struct device_node *np, + const char *propname) +{ + return -ENOSYS; +} + static inline const void *of_get_property(const struct device_node *node, const char *name, int *lenp) @@ -263,6 +309,31 @@ 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; +} + +static inline int of_alias_get_id(struct device_node *np, const char *stem) +{ + return -ENOSYS; +} + +static inline int of_machine_is_compatible(const char *compat) +{ + return 0; +} + +#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, |