From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rajendra Nayak Subject: Re: [PATCH v4 2/6] dt-bindings: power: Add qcom rpm power domain driver bindings Date: Thu, 30 Aug 2018 12:01:42 +0530 Message-ID: <1463d24b-481d-eecd-9e44-e7a5a993e5fc@codeaurora.org> References: <20180627045234.27403-1-rnayak@codeaurora.org> <20180627045234.27403-3-rnayak@codeaurora.org> <20180703223554.GA32313@rob-hp-laptop> <20180704055757.4li26b6poxllmh2k@vireshk-i7> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20180704055757.4li26b6poxllmh2k@vireshk-i7> Content-Language: en-US Sender: linux-kernel-owner@vger.kernel.org To: Viresh Kumar , Rob Herring Cc: sboyd@kernel.org, andy.gross@linaro.org, ulf.hansson@linaro.org, collinsd@codeaurora.org, mka@chromium.org, devicetree@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org List-Id: linux-arm-msm@vger.kernel.org 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 >>> + >>> + >>> + 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 = ; >>> + }; >> >> 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?