Orange Pi5 kernel

What:           /sys/devices/system/ibm_rtl/state
Date:           Sep 2010
KernelVersion:  2.6.37
Contact:        Vernon Mauery <vernux@us.ibm.com>
Description:    The state file allows a means by which to change in and
                out of Premium Real-Time Mode (PRTM), as well as the
                ability to query the current state.

                    - 0 => PRTM off
                    - 1 => PRTM enabled

Users:          The ibm-prtm userspace daemon uses this interface.


What:           /sys/devices/system/ibm_rtl/version
Date:           Sep 2010
KernelVersion:  2.6.37
Contact:        Vernon Mauery <vernux@us.ibm.com>
Description:    The version file provides a means by which to query
                the RTL table version that lives in the Extended
                BIOS Data Area (EBDA).
Users:          The ibm-prtm userspace daemon uses this interface.