mcb: export bus information via sysfs
Export information about the bus stored in the FPGA's header to userspace via
sysfs, instead of hiding it in pr_debug()s from everyone.
Signed-off-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Andreas Werner <andreas.werner@men.de>
Tested-by: Andreas Werner <andreas.werner@men.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/Documentation/ABI/testing/sysfs-bus-mcb b/Documentation/ABI/testing/sysfs-bus-mcb
new file mode 100644
index 0000000..77947c5
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-bus-mcb
@@ -0,0 +1,29 @@
+What: /sys/bus/mcb/devices/mcb:X
+Date: March 2016
+KernelVersion: 4.7
+Contact: Johannes Thumshirn <jth@kernel.org>
+Description: Hardware chip or device hosting the MEN chameleon bus
+
+What: /sys/bus/mcb/devices/mcb:X/revision
+Date: March 2016
+KernelVersion: 4.7
+Contact: Johannes Thumshirn <jth@kernel.org>
+Description: The FPGA's revision number
+
+What: /sys/bus/mcb/devices/mcb:X/minor
+Date: March 2016
+KernelVersion: 4.7
+Contact: Johannes Thumshirn <jth@kernel.org>
+Description: The FPGA's minor number
+
+What: /sys/bus/mcb/devices/mcb:X/model
+Date: March 2016
+KernelVersion: 4.7
+Contact: Johannes Thumshirn <jth@kernel.org>
+Description: The FPGA's model number
+
+What: /sys/bus/mcb/devices/mcb:X/name
+Date: March 2016
+KernelVersion: 4.7
+Contact: Johannes Thumshirn <jth@kernel.org>
+Description: The FPGA's name
