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fdt: Add a function to look up a /chosen property

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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>
This commit is contained in:
Simon Glass
2015-10-17 19:41:14 -06:00
committed by Michal Simek
parent 44303dfa79
commit 3bc37a50e0
2 changed files with 21 additions and 7 deletions
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11
include/fdtdec.h
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@@ -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.