docs/design_documents/psci_osi_mode.rst

17 A power domain topology is a logical hierarchy of power domains in a system that
25 coordinating its children nodes. For example, in a system with a power domain
26 that encompasses a shared cache, and a separate power domain for each core that
28 shared cache power domain can be powered down.
224   * The requested level in the power domain topology to enter a low-power
412                    power-domain-names = "psci";
420                    power-domain-names = "psci";
434            domain-idle-states {
435                    CLUSTER_STOP: core-power-domain {
436                            compatible = "domain-idle-state";
450            CPU_PD0: power-domain-cpu0 {
451                    #power-domain-cells = <0>;
453                    domain-idle-states = <&cpu_retention>;
456            CPU_PD1: power-domain-cpu1 {
457                    #power-domain-cells = <0>;
459                    domain-idle-states = <&cpu_retention>;
462            pd_core: power-domain-cluster {
463                    #power-domain-cells = <0>;
464                    domain-idle-states = <&CLUSTER_STOP>;
487                    power-domain-names = "psci";
496                    power-domain-names = "psci";
505                    power-domain-names = "psci";
514                    power-domain-names = "psci";
523                    power-domain-names = "psci";
532                    power-domain-names = "psci";
541                    power-domain-names = "psci";
550                    power-domain-names = "psci";
597            domain-idle-states {
615                    #power-domain-cells = <0>;
617                    domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
621                    #power-domain-cells = <0>;
623                    domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
627                    #power-domain-cells = <0>;
629                    domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
633                    #power-domain-cells = <0>;
635                    domain-idle-states = <&LITTLE_CPU_SLEEP_0 &LITTLE_CPU_SLEEP_1>;
639                    #power-domain-cells = <0>;
641                    domain-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
645                    #power-domain-cells = <0>;
647                    domain-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
651                    #power-domain-cells = <0>;
653                    domain-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
657                    #power-domain-cells = <0>;
659                    domain-idle-states = <&BIG_CPU_SLEEP_0 &BIG_CPU_SLEEP_1>;
663                    #power-domain-cells = <0>;
664                    domain-idle-states = <&CLUSTER_SLEEP_0>;
692   * Cluster domain idle state
712 multiple CPUs. The count and residency results for state3 (i.e. a cluster domain