doc: fpga: add sysfs document for fpga region
Document the following added attributes for FPGA regions:
* firmware_name
* partial_config
* freeze_timeout
* unfreeze_timeout
Signed-off-by: Alan Tull <atull@kernel.org>
diff --git a/Documentation/ABI/testing/sysfs-class-fpga-region b/Documentation/ABI/testing/sysfs-class-fpga-region
new file mode 100644
index 0000000..4008fd6
--- /dev/null
+++ b/Documentation/ABI/testing/sysfs-class-fpga-region
@@ -0,0 +1,26 @@
+What: /sys/class/fpga_region/<fpga>/firmware_name
+Date: February 2017
+KernelVersion: 4.11
+Contact: Alan Tull <atull@kernel.org>
+Description: Write the name of FPGA image file on the firmware path to
+ program the FPGA.
+
+What: /sys/class/fpga_region/<fpga>/partial_config
+Date: February 2017
+KernelVersion: 4.11
+Contact: Alan Tull <atull@kernel.org>
+Description: Write 1 to specify FPGA parital configuration.
+ Write 0 to specify FPGA full configuration.
+
+What: /sys/class/fpga_region/<fpga>/freeze_timeout
+Date: February 2017
+KernelVersion: 4.11
+Contact: Alan Tull <atull@kernel.org>
+Description: Time in uSec to wait for a FPGA bridge to disable traffic.
+
+What: /sys/class/fpga_region/<fpga>/unfreeze_timeout
+Date: February 2017
+KernelVersion: 4.11
+Contact: Alan Tull <atull@kernel.org>
+Description: Time in uSec to wait for a FPGA bridge to enable traffic.
+
