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SubjectRe: [PATCH v4 2/6] dt-bindings: power: Add qcom rpm power domain driver bindings
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On 7/4/2018 11:27 AM, Viresh Kumar wrote:
> On 03-07-18, 16:35, Rob Herring wrote:
>>> +qcom,level values specified in the OPP tables for RPMh power domains
>>> +should use the RPMH_REGULATOR_LEVEL_* constants from
>>> +<dt-bindings/power/qcom-rpmhpd.h>
>>> +
>>> + rpmhpd: power-controller {
>>> + compatible = "qcom,sdm845-rpmhpd";
>>> + #power-domain-cells = <1>;
>>> + operating-points-v2 = <&rpmhpd_opp_table>;
>>> + };
>>> +
>>> + rpmhpd_opp_table: opp-table {
>>> + compatible = "operating-points-v2-qcom-level";
>>> +
>>> + rpmhpd_opp_ret: opp1 {
>>> + qcom,level = <RPMH_REGULATOR_LEVEL_RETENTION>;
>>> + };
>>
>> I don't see the point in using the OPP binding here when you aren't
>> using *any* of the properties from it.
>
> Yeah, that's the case for now. But there are cases (as Stephen
> mentioned earlier [1]) where the voltage values (and maybe other
> values like current, etc) would be known and filled in DT. And that's
> why we all agreed to use OPP tables for PM domains as well, as these
> are really "operating performance points" of these PM domains.

Rob, are you fine with these bindings then?
If so, can we please have your reviewed-by?

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