Documentation for the per-overlay attributes.
Signed-off-by: Pantelis Antoniou <[email protected]>
---
.../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 <[email protected]>
+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 <[email protected]>
+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 <[email protected]>
+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 <[email protected]>
+Description:
+ The full-path of the target of the fragment
--
1.7.12
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