torvalds/linux

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.

What:        /sys/devices/*/dev
Date:        Jun 2006
Contact:    Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Description:
        Major and minor numbers of the character device corresponding
        to the device (in <major>:<minor> format).