Message ID | 525112ef4e6148d8fc46d92c0554bd516e24952f.1525750390.git.viresh.kumar@linaro.org (mailing list archive) |
---|---|
State | Mainlined |
Delegated to: | Rafael Wysocki |
Headers | show |
On Tue, May 08, 2018 at 09:04:42AM +0530, Viresh Kumar 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. > > Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> > Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org> > --- > Resending to get Ack from Rob. > > Documentation/devicetree/bindings/opp/opp.txt | 5 ++++- > 1 file changed, 4 insertions(+), 1 deletion(-) Reviewed-by: Rob Herring <robh@kernel.org>
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.