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authorSimon Glass <sjg@chromium.org>2015-10-17 19:41:14 -0600
committerMichal Simek <michal.simek@xilinx.com>2015-11-04 14:49:51 +0100
commit3bc37a50e0db9978c6fbb1b2b6c3a351cebe631e (patch)
treef8a7b3409e4da684b0f394eaac2b89d49c444d33 /include/fdtdec.h
parent44303dfa792b0a4f81d6f6a719467db9a20063b5 (diff)
fdt: Add a function to look up a /chosen property
It is sometimes useful to find a property in the chosen node. Add a function for this. Signed-off-by: Simon Glass <sjg@chromium.org> Signed-off-by: Michal Simek <michal.simek@xilinx.com>
Diffstat (limited to 'include/fdtdec.h')
-rw-r--r--include/fdtdec.h11
1 files changed, 10 insertions, 1 deletions
diff --git a/include/fdtdec.h b/include/fdtdec.h
index 2de6dda04c5..9fcc7a1e199 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -628,7 +628,16 @@ int fdtdec_get_alias_seq(const void *blob, const char *base, int node,
int *seqp);
/**
- * Get the offset of the given chosen node
+ * Get a property from the /chosen node
+ *
+ * @param blob Device tree blob (if NULL, then NULL is returned)
+ * @param name Property name to look up
+ * @return Value of property, or NULL if it does not exist
+ */
+const char *fdtdec_get_chosen_prop(const void *blob, const char *name);
+
+/**
+ * Get the offset of the given /chosen node
*
* This looks up a property in /chosen containing the path to another node,
* then finds the offset of that node.