| Note: | 
 |   This documents additional properties of any device beyond what | 
 |   is documented in Documentation/admin-guide/sysfs-rules.rst | 
 |  | 
 | What:		/sys/devices/*/of_node | 
 | Date:		February 2015 | 
 | Contact:	Device Tree mailing list <devicetree@vger.kernel.org> | 
 | Description: | 
 | 		Any device associated with a device-tree node will have | 
 | 		an of_path symlink pointing to the corresponding device | 
 | 		node in /sys/firmware/devicetree/ | 
 |  | 
 | What:		/sys/devices/*/devspec | 
 | Date:		October 2016 | 
 | Contact:	Device Tree mailing list <devicetree@vger.kernel.org> | 
 | Description: | 
 | 		If CONFIG_OF is enabled, then this file is present. When | 
 | 		read, it returns full name of the device node. | 
 |  | 
 | What:		/sys/devices/*/obppath | 
 | Date:		October 2016 | 
 | Contact:	Device Tree mailing list <devicetree@vger.kernel.org> | 
 | Description: | 
 | 		If CONFIG_OF is enabled, then this file is present. When | 
 | 		read, it returns full name of the device node. |