From: Alan Tull <atull@xxxxxxxxxxxxxxxxxxxxx> Add documentation for new fpga manager sysfs interface. Signed-off-by: Alan Tull <atull@xxxxxxxxxxxxxxxxxxxxx> --- Documentation/ABI/testing/sysfs-class-fpga-manager | 38 ++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/ABI/testing/sysfs-class-fpga-manager diff --git a/Documentation/ABI/testing/sysfs-class-fpga-manager b/Documentation/ABI/testing/sysfs-class-fpga-manager new file mode 100644 index 0000000..eb600f2 --- /dev/null +++ b/Documentation/ABI/testing/sysfs-class-fpga-manager @@ -0,0 +1,38 @@ +What: /sys/class/fpga_manager/<fpga>/name +Date: October 2014 +KernelVersion: 3.18 +Contact: Alan Tull <atull@xxxxxxxxxxxxxxxxxxxxx> +Description: Name of low level driver. + +What: /sys/class/fpga_manager/<fpga>/firmware +Date: October 2014 +KernelVersion: 3.18 +Contact: Alan Tull <atull@xxxxxxxxxxxxxxxxxxxxx> +Description: Name of the FPGA image file to load using firmware class. + +What: /sys/class/fpga_manager/<fpga>/reset +Date: October 2014 +KernelVersion: 3.18 +Contact: Alan Tull <atull@xxxxxxxxxxxxxxxxxxxxx> +Description: Write 1 to reset the FPGA + +What: /sys/class/fpga_manager/<fpga>/state +Date: October 2014 +KernelVersion: 3.18 +Contact: Alan Tull <atull@xxxxxxxxxxxxxxxxxxxxx> +Description: Read state of fpga framework state machine as a string. + Valid states may vary by manufacturer; superset is: + * unknown = can't determine state + * power_off = FPGA power is off + * power_up = FPGA reports power is up + * reset = FPGA held in reset state + * firmware_request = firmware class request in progress + * firmware_request_err = firmware request failed + * write_init = FPGA being prepared for programming + * write_init_err = Error while preparing FPGA for + programming + * write = FPGA ready to receive image data + * write_err = Error while programming + * write_complete = Doing post programming steps + * write_complete_err = Error while doing post programming + * operating = FPGA is programmed and operating -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
