On Fri, Dec 21, 2018 at 2:56 AM Rajendra Nayak [off-list ref] wrote:

On Qualcomm Technologies, Inc. platforms, an OPP node needs
to describe an additional level/corner value that is then communicated
to a remote microprocessor by the CPU, which then takes some
actions (like adjusting voltage values across various rails)
based on the value passed.

Describe these bindings in the qcom-opp bindings document.

Signed-off-by: Rajendra Nayak <redacted>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Stephen Boyd <redacted>
Reviewed-by: Rob Herring <robh@kernel.org>

And rescinded...

[...]

+Required properties:
+- qcom,level: On Qualcomm platforms an OPP node can describe a positive value
+representing a corner/level that's communicated with a remote microprocessor
+(usually called the RPM) which then translates it into a certain voltage on
+a voltage rail.

Now we have Mediatek adding mtk,level...[1]

Create something common. Just 'opp-level' perhaps.

Rob

[1] https://lore.kernel.org/patchwork/patch/1028536/