From 657c292ce1bb67b1e61cf927a2b6ea135fb700df Mon Sep 17 00:00:00 2001 From: Ulf Hansson Date: Thu, 31 May 2018 12:59:55 +0200 Subject: [PATCH] PM / Domains: dt: Allow power-domain property to be a list of specifiers To be able to describe topologies where devices are partitioned across multiple power domains, let's extend the power-domain property to allow being a list of PM domain specifiers. Suggested-by: Jon Hunter Signed-off-by: Ulf Hansson Reviewed-by: Rob Herring Reviewed-by: Viresh Kumar Signed-off-by: Rafael J. Wysocki --- .../devicetree/bindings/power/power_domain.txt | 19 ++++++++++++++----- 1 file changed, 14 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/power/power_domain.txt b/Documentation/devicetree/bindings/power/power_domain.txt index 4733f76..9b387f8 100644 --- a/Documentation/devicetree/bindings/power/power_domain.txt +++ b/Documentation/devicetree/bindings/power/power_domain.txt @@ -111,8 +111,8 @@ Example 3: ==PM domain consumers== Required properties: - - power-domains : A phandle and PM domain specifier as defined by bindings of - the power controller specified by phandle. + - power-domains : A list of PM domain specifiers, as defined by bindings of + the power controller that is the PM domain provider. Example: @@ -122,9 +122,18 @@ Example: power-domains = <&power 0>; }; -The node above defines a typical PM domain consumer device, which is located -inside a PM domain with index 0 of a power controller represented by a node -with the label "power". + leaky-device@12351000 { + compatible = "foo,i-leak-current"; + reg = <0x12351000 0x1000>; + power-domains = <&power 0>, <&power 1> ; + }; + +The first example above defines a typical PM domain consumer device, which is +located inside a PM domain with index 0 of a power controller represented by a +node with the label "power". +In the second example the consumer device are partitioned across two PM domains, +the first with index 0 and the second with index 1, of a power controller that +is represented by a node with the label "power. Optional properties: - required-opps: This contains phandle to an OPP node in another device's OPP -- 2.7.4