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| author | Ulf Hansson <ulf.hansson@linaro.org> | 2018-05-31 12:59:55 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2018-06-06 09:09:21 +0200 |
| commit | 657c292ce1bb67b1e61cf927a2b6ea135fb700df (patch) | |
| tree | 987c18182888956cca41a0429b45716ca02f4794 /Documentation | |
| parent | 3c89adb0d11117f64d5b501730be7fb2bf53a479 (diff) | |
| download | linux-657c292ce1bb67b1e61cf927a2b6ea135fb700df.tar.gz linux-657c292ce1bb67b1e61cf927a2b6ea135fb700df.tar.bz2 linux-657c292ce1bb67b1e61cf927a2b6ea135fb700df.zip | |
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 <jonathanh@nvidia.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/power/power_domain.txt | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/power/power_domain.txt b/Documentation/devicetree/bindings/power/power_domain.txt index 4733f76cbe48..9b387f861aed 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 |