diff options
Diffstat (limited to 'include/linux/property.h')
| -rw-r--r-- | include/linux/property.h | 100 |
1 files changed, 76 insertions, 24 deletions
diff --git a/include/linux/property.h b/include/linux/property.h index d86de017c689..117cc200c656 100644 --- a/include/linux/property.h +++ b/include/linux/property.h @@ -15,6 +15,7 @@ #include <linux/types.h> struct device; +struct net_device; enum dev_prop_type { DEV_PROP_U8, @@ -31,7 +32,7 @@ enum dev_dma_attr { DEV_DMA_COHERENT, }; -struct fwnode_handle *dev_fwnode(struct device *dev); +struct fwnode_handle *dev_fwnode(const struct device *dev); bool device_property_present(struct device *dev, const char *propname); int device_property_read_u8_array(struct device *dev, const char *propname, @@ -82,12 +83,19 @@ struct fwnode_handle *fwnode_find_reference(const struct fwnode_handle *fwnode, const char *fwnode_get_name(const struct fwnode_handle *fwnode); const char *fwnode_get_name_prefix(const struct fwnode_handle *fwnode); + struct fwnode_handle *fwnode_get_parent(const struct fwnode_handle *fwnode); -struct fwnode_handle *fwnode_get_next_parent( - struct fwnode_handle *fwnode); +struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode); + +#define fwnode_for_each_parent_node(fwnode, parent) \ + for (parent = fwnode_get_parent(fwnode); parent; \ + parent = fwnode_get_next_parent(parent)) + +struct device *fwnode_get_next_parent_dev(struct fwnode_handle *fwnode); unsigned int fwnode_count_parents(const struct fwnode_handle *fwn); struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwn, unsigned int depth); +bool fwnode_is_ancestor_of(struct fwnode_handle *ancestor, struct fwnode_handle *child); struct fwnode_handle *fwnode_get_next_child_node( const struct fwnode_handle *fwnode, struct fwnode_handle *child); struct fwnode_handle *fwnode_get_next_available_child_node( @@ -116,7 +124,8 @@ struct fwnode_handle *device_get_named_child_node(struct device *dev, struct fwnode_handle *fwnode_handle_get(struct fwnode_handle *fwnode); void fwnode_handle_put(struct fwnode_handle *fwnode); -int fwnode_irq_get(struct fwnode_handle *fwnode, unsigned int index); +int fwnode_irq_get(const struct fwnode_handle *fwnode, unsigned int index); +int fwnode_irq_get_byname(const struct fwnode_handle *fwnode, const char *name); unsigned int device_get_child_node_count(struct device *dev); @@ -170,6 +179,12 @@ static inline int device_property_count_u64(struct device *dev, const char *prop return device_property_read_u64_array(dev, propname, NULL, 0); } +static inline int device_property_string_array_count(struct device *dev, + const char *propname) +{ + return device_property_read_string_array(dev, propname, NULL, 0); +} + static inline bool fwnode_property_read_bool(const struct fwnode_handle *fwnode, const char *propname) { @@ -224,6 +239,13 @@ static inline int fwnode_property_count_u64(const struct fwnode_handle *fwnode, return fwnode_property_read_u64_array(fwnode, propname, NULL, 0); } +static inline int +fwnode_property_string_array_count(const struct fwnode_handle *fwnode, + const char *propname) +{ + return fwnode_property_read_string_array(fwnode, propname, NULL, 0); +} + struct software_node; /** @@ -238,6 +260,13 @@ struct software_node_ref_args { u64 args[NR_FWNODE_REFERENCE_ARGS]; }; +#define SOFTWARE_NODE_REFERENCE(_ref_, ...) \ +(const struct software_node_ref_args) { \ + .node = _ref_, \ + .nargs = ARRAY_SIZE(((u64[]){ 0, ##__VA_ARGS__ })) - 1, \ + .args = { __VA_ARGS__ }, \ +} + /** * struct property_entry - "Built-in" device property representation. * @name: Name of the property. @@ -346,11 +375,7 @@ struct property_entry { .name = _name_, \ .length = sizeof(struct software_node_ref_args), \ .type = DEV_PROP_REF, \ - { .pointer = &(const struct software_node_ref_args) { \ - .node = _ref_, \ - .nargs = ARRAY_SIZE(((u64[]){ 0, ##__VA_ARGS__ })) - 1, \ - .args = { __VA_ARGS__ }, \ - } }, \ + { .pointer = &SOFTWARE_NODE_REFERENCE(_ref_, ##__VA_ARGS__), }, \ } struct property_entry * @@ -358,23 +383,17 @@ property_entries_dup(const struct property_entry *properties); void property_entries_free(const struct property_entry *properties); -int device_add_properties(struct device *dev, - const struct property_entry *properties); -void device_remove_properties(struct device *dev); - bool device_dma_supported(struct device *dev); enum dev_dma_attr device_get_dma_attr(struct device *dev); -const void *device_get_match_data(struct device *dev); +const void *device_get_match_data(const struct device *dev); int device_get_phy_mode(struct device *dev); +int fwnode_get_phy_mode(struct fwnode_handle *fwnode); -void *device_get_mac_address(struct device *dev, char *addr, int alen); +void __iomem *fwnode_iomap(struct fwnode_handle *fwnode, int index); -int fwnode_get_phy_mode(struct fwnode_handle *fwnode); -void *fwnode_get_mac_address(struct fwnode_handle *fwnode, - char *addr, int alen); struct fwnode_handle *fwnode_graph_get_next_endpoint( const struct fwnode_handle *fwnode, struct fwnode_handle *prev); struct fwnode_handle * @@ -385,9 +404,11 @@ struct fwnode_handle *fwnode_graph_get_remote_port( const struct fwnode_handle *fwnode); struct fwnode_handle *fwnode_graph_get_remote_endpoint( const struct fwnode_handle *fwnode); -struct fwnode_handle * -fwnode_graph_get_remote_node(const struct fwnode_handle *fwnode, u32 port, - u32 endpoint); + +static inline bool fwnode_graph_is_endpoint(struct fwnode_handle *fwnode) +{ + return fwnode_property_present(fwnode, "remote-endpoint"); +} /* * Fwnode lookup flags @@ -397,7 +418,8 @@ fwnode_graph_get_remote_node(const struct fwnode_handle *fwnode, u32 port, * one. * @FWNODE_GRAPH_DEVICE_DISABLED: That the device to which the remote * endpoint of the given endpoint belongs to, - * may be disabled. + * may be disabled, or that the endpoint is not + * connected. */ #define FWNODE_GRAPH_ENDPOINT_NEXT BIT(0) #define FWNODE_GRAPH_DEVICE_DISABLED BIT(1) @@ -405,6 +427,8 @@ fwnode_graph_get_remote_node(const struct fwnode_handle *fwnode, u32 port, struct fwnode_handle * fwnode_graph_get_endpoint_by_id(const struct fwnode_handle *fwnode, u32 port, u32 endpoint, unsigned long flags); +unsigned int fwnode_graph_get_endpoint_count(struct fwnode_handle *fwnode, + unsigned long flags); #define fwnode_graph_for_each_endpoint(fwnode, child) \ for (child = NULL; \ @@ -413,6 +437,25 @@ fwnode_graph_get_endpoint_by_id(const struct fwnode_handle *fwnode, int fwnode_graph_parse_endpoint(const struct fwnode_handle *fwnode, struct fwnode_endpoint *endpoint); +typedef void *(*devcon_match_fn_t)(struct fwnode_handle *fwnode, const char *id, + void *data); + +void *fwnode_connection_find_match(struct fwnode_handle *fwnode, + const char *con_id, void *data, + devcon_match_fn_t match); + +static inline void *device_connection_find_match(struct device *dev, + const char *con_id, void *data, + devcon_match_fn_t match) +{ + return fwnode_connection_find_match(dev_fwnode(dev), con_id, data, match); +} + +int fwnode_connection_find_matches(struct fwnode_handle *fwnode, + const char *con_id, void *data, + devcon_match_fn_t match, + void **matches, unsigned int matches_len); + /* -------------------------------------------------------------------------- */ /* Software fwnode support - when HW description is incomplete or missing */ @@ -440,13 +483,22 @@ software_node_find_by_name(const struct software_node *parent, int software_node_register_nodes(const struct software_node *nodes); void software_node_unregister_nodes(const struct software_node *nodes); -int software_node_register(const struct software_node *node); +int software_node_register_node_group(const struct software_node **node_group); +void software_node_unregister_node_group(const struct software_node **node_group); -int software_node_notify(struct device *dev, unsigned long action); +int software_node_register(const struct software_node *node); +void software_node_unregister(const struct software_node *node); struct fwnode_handle * fwnode_create_software_node(const struct property_entry *properties, const struct fwnode_handle *parent); void fwnode_remove_software_node(struct fwnode_handle *fwnode); +int device_add_software_node(struct device *dev, const struct software_node *node); +void device_remove_software_node(struct device *dev); + +int device_create_managed_software_node(struct device *dev, + const struct property_entry *properties, + const struct software_node *parent); + #endif /* _LINUX_PROPERTY_H_ */ |