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| author | Mark Brown <broonie@kernel.org> | 2026-05-29 18:23:30 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-05-29 18:23:30 +0100 |
| commit | 9773daab060ecbd902dc2c90736d7d77ec946370 (patch) | |
| tree | bbc0c76a92b6d3e8bd7b7047940735b87d600c5b /Documentation | |
| parent | 20368c7fc5984a77131bbaab1b7ef577b87fc018 (diff) | |
| parent | fba9c703c18459e936c365442667c08ca40dadcb (diff) | |
| download | linux-next-history-9773daab060ecbd902dc2c90736d7d77ec946370.tar.gz | |
Merge branch 'next' of https://git.kernel.org/pub/scm/linux/kernel/git/ulfh/linux-pm.git
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/power/power-domain.yaml | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/power/power-domain.yaml b/Documentation/devicetree/bindings/power/power-domain.yaml index b1147dbf2e738..163b0af158fd2 100644 --- a/Documentation/devicetree/bindings/power/power-domain.yaml +++ b/Documentation/devicetree/bindings/power/power-domain.yaml @@ -68,6 +68,21 @@ properties: by the given provider should be subdomains of the domain specified by this binding. + power-domains-child-ids: + $ref: /schemas/types.yaml#/definitions/uint32-array + description: + An array of child domain IDs that correspond to the power-domains + property. This property is only applicable to power domain providers + with "#power-domain-cells" > 0 (i.e., providers that supply multiple + power domains). It specifies which of the provider's child domains + should be associated with each parent domain listed in the power-domains + property. The number of elements in this array must match the number of + phandles in the power-domains property. Each element specifies the child + domain ID (index) that should be made a child domain of the corresponding + parent domain. This enables hierarchical power domain structures where + different child domains from the same provider can have different + parent domains. + required: - "#power-domain-cells" @@ -133,3 +148,22 @@ examples: min-residency-us = <7000>; }; }; + + - | + // Example: SCMI domain 15 -> MAIN_PD, SCMI domain 19 -> WKUP_PD + MAIN_PD: power-controller-main { + compatible = "foo,power-controller"; + #power-domain-cells = <0>; + }; + + WKUP_PD: power-controller-wkup { + compatible = "foo,power-controller"; + #power-domain-cells = <0>; + }; + + scmi_pds: power-controller-scmi { + compatible = "foo,power-controller"; + #power-domain-cells = <1>; + power-domains = <&MAIN_PD>, <&WKUP_PD>; + power-domains-child-ids = <15>, <19>; + }; |