bindings/power/power-domain.yaml

4 $id: http://devicetree.org/schemas/power/power-domain.yaml#
16   used for power gating of selected IP blocks for power saving by reduced
25   \#power-domain-cells property in the PM domain provider node.
29     pattern: "^(power-controller|power-domain|performance-domain)([@-].*)?$"
37       power-domain provider. The idle state definitions are compatible with the
48       Phandles to the OPP tables of power domains that are capable of scaling
49       performance, provided by a power domain provider. If the provider provides
50       a single power domain only or all the power domains provided by the
54   "#power-domain-cells":
58       domains (e.g. power controllers), but can be any value as specified
61   power-domains:
63       A phandle and PM domain specifier as defined by bindings of the power
64       controller specified by phandle. Some power domains might be powered
65       from another power domain (or have other hardware specific
72   - "#power-domain-cells"
78     power: power-controller@12340000 {
79         compatible = "foo,power-controller";
81         #power-domain-cells = <1>;
84     // The node above defines a power controller that is a PM domain provider and
88     parent2: power-controller@12340000 {
89         compatible = "foo,power-controller";
91         #power-domain-cells = <1>;
94     child2: power-controller@12341000 {
95         compatible = "foo,power-controller";
97         power-domains = <&parent2 0>;
98         #power-domain-cells = <1>;
101     // The nodes above define two power controllers: 'parent' and 'child'.
102     // Domains created by the 'child' power controller are subdomains of '0' power
103     // domain provided by the 'parent' power controller.
106     parent3: power-controller@12340000 {
107         compatible = "foo,power-controller";
109         #power-domain-cells = <0>;
113     child3: power-controller@12341000 {
114         compatible = "foo,power-controller";
116         power-domains = <&parent3>;
117         #power-domain-cells = <0>;