18c2ecf20Sopenharmony_ciNote: 28c2ecf20Sopenharmony_ci This documents additional properties of any device beyond what 38c2ecf20Sopenharmony_ci is documented in Documentation/admin-guide/sysfs-rules.rst 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ciWhat: /sys/devices/*/of_node 68c2ecf20Sopenharmony_ciDate: February 2015 78c2ecf20Sopenharmony_ciContact: Device Tree mailing list <devicetree@vger.kernel.org> 88c2ecf20Sopenharmony_ciDescription: 98c2ecf20Sopenharmony_ci Any device associated with a device-tree node will have 108c2ecf20Sopenharmony_ci an of_path symlink pointing to the corresponding device 118c2ecf20Sopenharmony_ci node in /sys/firmware/devicetree/ 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ciWhat: /sys/devices/*/devspec 148c2ecf20Sopenharmony_ciDate: October 2016 158c2ecf20Sopenharmony_ciContact: Device Tree mailing list <devicetree@vger.kernel.org> 168c2ecf20Sopenharmony_ciDescription: 178c2ecf20Sopenharmony_ci If CONFIG_OF is enabled, then this file is present. When 188c2ecf20Sopenharmony_ci read, it returns full name of the device node. 198c2ecf20Sopenharmony_ci 208c2ecf20Sopenharmony_ciWhat: /sys/devices/*/obppath 218c2ecf20Sopenharmony_ciDate: October 2016 228c2ecf20Sopenharmony_ciContact: Device Tree mailing list <devicetree@vger.kernel.org> 238c2ecf20Sopenharmony_ciDescription: 248c2ecf20Sopenharmony_ci If CONFIG_OF is enabled, then this file is present. When 258c2ecf20Sopenharmony_ci read, it returns full name of the device node. 26