Get Node Status

Zynq UltraScale plus MPSoC Power Management

Release Date
2022-07-26
$ echo pm_get_node_status <node> > (sysfs node)
  • Status: Node power status (see below.)
  • Usage: The master(s) using this node (bit-map):
    • Bit 0: Used by this master
    • Bit 1: Used by other master(s)
  • Requirement: Capabilities required (bit-map):
    • Bit 0: Accessible.
    • Bit 1: Retain context.
    • Bit 2: Wake-up source.
Node Type 0 1 2 3
Memory OFF RETENTION ON
CPU PP OFF ON
Processor FORCED OFF ACTIVE SLEEP SUSPENDING
USB NOT USED OFF (Could be a wake-up source) ON
Other Nodes OFF ON