diff options
Diffstat (limited to 'dts/Bindings/power/power-domain.yaml')
| -rw-r--r-- | dts/Bindings/power/power-domain.yaml | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/dts/Bindings/power/power-domain.yaml b/dts/Bindings/power/power-domain.yaml index 3143ed9a33..8fdb529d56 100644 --- a/dts/Bindings/power/power-domain.yaml +++ b/dts/Bindings/power/power-domain.yaml @@ -13,8 +13,9 @@ maintainers: description: |+ System on chip designs are often divided into multiple PM domains that can be - used for power gating of selected IP blocks for power saving by reduced leakage - current. + used for power gating of selected IP blocks for power saving by reduced + leakage current. Moreover, in some cases the similar PM domains may also be + capable of scaling performance for a group of IP blocks. This device tree binding can be used to bind PM domain consumer devices with their PM domains provided by PM domain providers. A PM domain provider can be @@ -25,10 +26,12 @@ description: |+ properties: $nodename: - pattern: "^(power-controller|power-domain)([@-].*)?$" + pattern: "^(power-controller|power-domain|performance-domain)([@-].*)?$" domain-idle-states: $ref: /schemas/types.yaml#/definitions/phandle-array + items: + maxItems: 1 description: | Phandles of idle states that defines the available states for the power-domain provider. The idle state definitions are compatible with the @@ -41,13 +44,12 @@ properties: domain would be considered as capable of being powered-on or powered-off. operating-points-v2: - $ref: /schemas/types.yaml#/definitions/phandle-array description: - Phandles to the OPP tables of power domains provided by a power domain - provider. If the provider provides a single power domain only or all - the power domains provided by the provider have identical OPP tables, - then this shall contain a single phandle. Refer to ../opp/opp-v2-base.yaml - for more information. + Phandles to the OPP tables of power domains that are capable of scaling + performance, provided by a power domain provider. If the provider provides + a single power domain only or all the power domains provided by the + provider have identical OPP tables, then this shall contain a single + phandle. Refer to ../opp/opp-v2-base.yaml for more information. "#power-domain-cells": description: |