[PATCH v7 6/6] Documentation: ABI: overlays - per overlay docs

[Pantelis Antoniou]

Documentation for the per-overlay attributes.

Signed-off-by: Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx>
---
 .../ABI/testing/sysfs-firmware-devicetree-overlays | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)

diff --git a/Documentation/ABI/testing/sysfs-firmware-devicetree-overlays b/Documentation/ABI/testing/sysfs-firmware-devicetree-overlays
index e938f44..88d1549 100644
--- a/Documentation/ABI/testing/sysfs-firmware-devicetree-overlays
+++ b/Documentation/ABI/testing/sysfs-firmware-devicetree-overlays
@@ -22,3 +22,31 @@ Description:
 		to be a high-level one-way "off" switch for the interface so
 		that systems that have this interface can choose to turn it off
 		during initial boot, etc."
+
+What:		/sys/firmware/devicetree/overlays/<id>
+Date:		October 2015
+Contact:	Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx>
+Description:
+		Each directory represents an applied overlay, containing
+		the following attribute files.
+
+What:		/sys/firmware/devicetree/overlays/<id>/can_remove
+Date:		October 2015
+Contact:	Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx>
+Description:
+		The attribute set to 1 means that the overlay can be removed,
+		while 0 means that the overlay is being overlapped therefore
+		removal is prohibited.
+
+What:		/sys/firmware/devicetree/overlays/<id>/<fragment-name>/
+Date:		October 2015
+Contact:	Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx>
+Description:
+		Each of these directories contain information about of the
+		particular overlay fragment.
+
+What:		/sys/firmware/devicetree/overlays/<id>/<fragment-name>/target
+Date:		October 2015
+Contact:	Pantelis Antoniou <pantelis.antoniou@xxxxxxxxxxxx>
+Description:
+		The full-path of the target of the fragment
-- 
1.7.12

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