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-rw-r--r--Documentation/devicetree/bindings/sram/sram.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sram/sram.txt b/Documentation/devicetree/bindings/sram/sram.txt
index 068c2c03c38f..267da4410aef 100644
--- a/Documentation/devicetree/bindings/sram/sram.txt
+++ b/Documentation/devicetree/bindings/sram/sram.txt
@@ -42,6 +42,12 @@ Optional properties in the area nodes:
and in use by another device or devices
- export : indicates that the reserved SRAM area may be accessed outside
of the kernel, e.g. by bootloader or userspace
+- protect-exec : Same as 'pool' above but with the additional
+ constraint that code wil be run from the region and
+ that the memory is maintained as read-only, executable
+ during code execution. NOTE: This region must be page
+ aligned on start and end in order to properly allow
+ manipulation of the page attributes.
- label : the name for the reserved partition, if omitted, the label
is taken from the node name excluding the unit address.