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| author |   Philipp Zabel <p.zabel@pengutronix.de> | 2014-03-11 11:21:11 +0100 |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2015-02-23 11:42:24 +0100 |
| commit | bfe446e37c4efd8ade454911e8f80414bcbfc10d (patch) | |
| tree | d8fe4cfe825c975e1ceac2a76a2dca97e47154e7 /include/linux/of_graph.h | |
| parent | of: Add for_each_endpoint_of_node helper macro (diff) | |
| download | linux-dev-bfe446e37c4efd8ade454911e8f80414bcbfc10d.tar.xz linux-dev-bfe446e37c4efd8ade454911e8f80414bcbfc10d.zip | |
of: Add of_graph_get_port_by_id function
This patch adds a function to get a port device tree node by port id,
or reg property value.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Diffstat (limited to 'include/linux/of_graph.h')
| -rw-r--r-- | include/linux/of_graph.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/of_graph.h b/include/linux/of_graph.h index e43442efcbe5..3c1c95a39e0c 100644 --- a/include/linux/of_graph.h +++ b/include/linux/of_graph.h @@ -40,6 +40,7 @@ struct of_endpoint { #ifdef CONFIG_OF int of_graph_parse_endpoint(const struct device_node *node, struct of_endpoint *endpoint); +struct device_node *of_graph_get_port_by_id(struct device_node *node, u32 id); struct device_node *of_graph_get_next_endpoint(const struct device_node *parent, struct device_node *previous); struct device_node *of_graph_get_remote_port_parent( @@ -53,6 +54,12 @@ static inline int of_graph_parse_endpoint(const struct device_node *node, return -ENOSYS; } +static inline struct device_node *of_graph_get_port_by_id( + struct device_node *node, u32 id) +{ + return NULL; +} + static inline struct device_node *of_graph_get_next_endpoint( const struct device_node *parent, struct device_node *previous) |