| Message ID | 5c4a3a3fb4bf7320e592aabf582bfb6bdec4ee69.1523273291.git.viresh.kumar@linaro.org |
|---|---|
| State | Accepted |
| Commit | b89469bdf0c2025a1c1f6ce2b841cb8abe589688 |
| Headers | show |
| Series | PM / genpd & OPP: Parse performance state from DT | expand |
On 9 April 2018 at 13:43, Viresh Kumar <viresh.kumar@linaro.org> wrote: > The "opp-hz" property is not relevant across all the devices that use > the OPP tables now. For example, for a power domain a frequency value > wouldn't mean anything. Though they must have another property, which > may be implementation defined, which uniquely identifies the OPP nodes. > > Make "opp-hz" optional for such devices. > > Cc: Rob Herring <robh@kernel.org> > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> Kind regards Uffe > --- > Documentation/devicetree/bindings/opp/opp.txt | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) > > diff --git a/Documentation/devicetree/bindings/opp/opp.txt b/Documentation/devicetree/bindings/opp/opp.txt > index 788052d66c9d..c396c4c0af92 100644 > --- a/Documentation/devicetree/bindings/opp/opp.txt > +++ b/Documentation/devicetree/bindings/opp/opp.txt > @@ -82,7 +82,10 @@ This defines voltage-current-frequency combinations along with other related > properties. > > Required properties: > -- opp-hz: Frequency in Hz, expressed as a 64-bit big-endian integer. > +- opp-hz: Frequency in Hz, expressed as a 64-bit big-endian integer. This is a > + required property for all device nodes but devices like power domains. The > + power domain nodes must have another (implementation dependent) property which > + uniquely identifies the OPP nodes. > > Optional properties: > - opp-microvolt: voltage in micro Volts. > -- > 2.15.0.194.g9af6a3dea062 >
diff --git a/Documentation/devicetree/bindings/opp/opp.txt b/Documentation/devicetree/bindings/opp/opp.txt index 788052d66c9d..c396c4c0af92 100644 --- a/Documentation/devicetree/bindings/opp/opp.txt +++ b/Documentation/devicetree/bindings/opp/opp.txt @@ -82,7 +82,10 @@ This defines voltage-current-frequency combinations along with other related properties. Required properties: -- opp-hz: Frequency in Hz, expressed as a 64-bit big-endian integer. +- opp-hz: Frequency in Hz, expressed as a 64-bit big-endian integer. This is a + required property for all device nodes but devices like power domains. The + power domain nodes must have another (implementation dependent) property which + uniquely identifies the OPP nodes. Optional properties: - opp-microvolt: voltage in micro Volts.
The "opp-hz" property is not relevant across all the devices that use the OPP tables now. For example, for a power domain a frequency value wouldn't mean anything. Though they must have another property, which may be implementation defined, which uniquely identifies the OPP nodes. Make "opp-hz" optional for such devices. Cc: Rob Herring <robh@kernel.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> --- Documentation/devicetree/bindings/opp/opp.txt | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) -- 2.15.0.194.g9af6a3dea062