bindings/power/power-domain.yaml

4 $id: http://devicetree.org/schemas/power/power-domain.yaml#
16   used for power gating of selected IP blocks for power saving by reduced leakage
24   \#power-domain-cells property in the PM domain provider node.
28     pattern: "^(power-controller|power-domain)([@-].*)?$"
36       power-domain provider. The idle state definitions are compatible with the
47       Phandles to the OPP tables of power domains provided by a power domain
48       provider. If the provider provides a single power domain only or all
49       the power domains provided by the provider have identical OPP tables,
53   "#power-domain-cells":
57       domains (e.g. power controllers), but can be any value as specified
60   power-domains:
62       A phandle and PM domain specifier as defined by bindings of the power
63       controller specified by phandle. Some power domains might be powered
64       from another power domain (or have other hardware specific
71   - "#power-domain-cells"
77     power: power-controller@12340000 {
78         compatible = "foo,power-controller";
80         #power-domain-cells = <1>;
83     // The node above defines a power controller that is a PM domain provider and
87     parent2: power-controller@12340000 {
88         compatible = "foo,power-controller";
90         #power-domain-cells = <1>;
93     child2: power-controller@12341000 {
94         compatible = "foo,power-controller";
96         power-domains = <&parent2 0>;
97         #power-domain-cells = <1>;
100     // The nodes above define two power controllers: 'parent' and 'child'.
101     // Domains created by the 'child' power controller are subdomains of '0' power
102     // domain provided by the 'parent' power controller.
105     parent3: power-controller@12340000 {
106         compatible = "foo,power-controller";
108         #power-domain-cells = <0>;
112     child3: power-controller@12341000 {
113         compatible = "foo,power-controller";
115         power-domains = <&parent3>;
116         #power-domain-cells = <0>;