From a500a8a6ef283f47efaddde8c8b7213a76a731c5 Mon Sep 17 00:00:00 2001
From: Greg Kroah-Hartman <greg@kroah.com>
Date: Thu, 11 Dec 2014 17:11:00 -0500
Subject: greybus: connection: document the sysfs files

Document what the sysfs files are for connections, so that people have a
chance to understand what they can be used for.

Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

diff --git a/drivers/staging/greybus/Documentation/sysfs-bus-greybus b/drivers/staging/greybus/Documentation/sysfs-bus-greybus
index cd1d812..b734c67 100644
--- a/drivers/staging/greybus/Documentation/sysfs-bus-greybus
+++ b/drivers/staging/greybus/Documentation/sysfs-bus-greybus
@@ -33,3 +33,23 @@ Contact:	Greg Kroah-Hartman <greg@kroah.com>
 Description:
 		Vendor ID string of a Greybus interface block.
 
+What:		/sys/bus/greybus/device/.../state
+Date:		December 2014
+KernelVersion:	3.XX
+Contact:	Greg Kroah-Hartman <greg@kroah.com>
+Description:
+		The current state of a Greybus connection.
+
+		It will be one of the following values:
+		0 - invalid
+		1 - disabled
+		2 - enabled
+		3 - error
+		4 - destroying
+
+What:		/sys/bus/greybus/device/.../protocol_id
+Date:		December 2014
+KernelVersion:	3.XX
+Contact:	Greg Kroah-Hartman <greg@kroah.com>
+Description:
+		The protocol id of a Greybus connection.
-- 
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