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Thu, 20 May 2021 02:31:00 +0000 (GMT) Subject: Re: [PATCH v1 4/7] dt-bindings: devfreq: tegra30-actmon: Add cooling-cells To: Dmitry Osipenko , Thierry Reding , Jonathan Hunter , Rob Herring , MyungJoo Ham , Kyungmin Park , Peter Geis , Matt Merhar Cc: linux-tegra@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org From: Chanwoo Choi Organization: Samsung Electronics Message-ID: <8dbb9a97-8358-0a2c-bbfc-738f7efa931f@samsung.com> Date: Thu, 20 May 2021 11:49:29 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:59.0) Gecko/20100101 Thunderbird/59.0 MIME-Version: 1.0 In-Reply-To: <20210510211008.30300-5-digetx@gmail.com> Content-Language: en-US Content-Transfer-Encoding: 7bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrKJsWRmVeSWpSXmKPExsWy7bCmru6Hk0sTDO4sEbCYf+Qcq8Xqj48Z LVpmLWKxONv0ht3i8q45bBafe48wWnR+mcVmca9lL6vF7cYVbBZnn3lbtO49wm7xc9c8Fgce j52z7rJ7bFrVyebR2/yOzaOnbROTR9+WVYwenzfJBbBFZdtkpCampBYppOYl56dk5qXbKnkH xzvHm5oZGOoaWlqYKynkJeam2iq5+AToumXmAN2opFCWmFMKFApILC5W0rezKcovLUlVyMgv LrFVSi1IySmwLNArTswtLs1L10vOz7UyNDAwMgUqTMjOmN7UxlLQwFtx4MUHxgbGjVxdjJwc EgImEp2fD7J0MXJxCAnsYJR4tf4MO4TziVHiyvRGqMw3RolV09YxwrTcmbyJFSKxl1Hi3+xf UFXvGSW+3bzNDlIlLBAq0bNxElhCROAQk8T8CU1A7RwczAKlErs32IDUsAloSex/cYMNxOYX UJS4+uMxWAmvgJ1E79V4kDCLgKrE4kOTmUBsUYEwiZPbWsCO4BUQlDg58wkLiM0pYCYxb8t7 sLXMAuISt57MZ4Kw5SW2v53DDHKChMAJDok7W2YwQ3zgIvH70FJ2CFtY4tXxLVC2lMTL/jYo u1pi5ckjbBDNHYwSW/ZfYIVIGEvsXwpyEcgvmhLrd+lDhBUldv6eywixmE/i3dceVpASCQFe iY42IYgSZYnLD+4yQdiSEovbO9kmMCrNQvLOLCQvzELywiyEZQsYWVYxiqUWFOempxYbFhgj x/YmRnD61TLfwTjt7Qe9Q4xMHIyHGCU4mJVEeLd7L04Q4k1JrKxKLcqPLyrNSS0+xGgKDOCJ zFKiyfnADJBXEm9oamRsbGxhYmhmamioJM6b7lydICSQnliSmp2aWpBaBNPHxMEp1cDEd1m2 UEz54y1294/X69K4KiX513ybsXbTpapX1i2TI93mrrnmpl2qxfRYnu9OO5cuz9myA4eX9Uum SIjfMo5s4Dj/QsNHqzmM98ztXZujo7/bX66JWaIc4PbwkYe768cTi7cx5YjoWS7jPeD1zGPf t/rjom4pb17N6db5LM2vsltIYH47a+LnU3oRmY+M2n/kbPff+cNL+Kx005xjr+qTvrSXN1x5 GXa6/ZSE2qF9S1e/vPa1dd36mtV6/8Kcl93VdRRtmZxqcUw50SXL+9skscV7Lz98sdbCdM6O lnvTGp98CPDusPZOUpPX2OGfKXH0qQHjf+3vz0uCGK/PFY2bEpRiYnfo+fe7hw6e3bBCiaU4 I9FQi7moOBEAUKLhOUgEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprPIsWRmVeSWpSXmKPExsWy7bCSvO6Tk0sTDC7e5rWYf+Qcq8Xqj48Z LVpmLWKxONv0ht3i8q45bBafe48wWnR+mcVmca9lL6vF7cYVbBZnn3lbtO49wm7xc9c8Fgce j52z7rJ7bFrVyebR2/yOzaOnbROTR9+WVYwenzfJBbBFcdmkpOZklqUW6dslcGVMb2pjKWjg rTjw4gNjA+NGri5GTg4JAROJO5M3sXYxcnEICexmlLjf/44ZIiEpMe3iUSCbA8gWljh8uBii 5i2jxMvHfxlBaoQFQiV6Nk5iAbFFBI4wSXzr8QOxmQVKJZ5tbGeEaNjKKPH59HomkASbgJbE /hc32EBsfgFFias/HjOCLOAVsJPovRoPEmYRUJVYfGgyWLmoQJjEziWPwWxeAUGJkzOfgO3i FDCTmLflPTvELnWJP/MuMUPY4hK3nsxngrDlJba/ncM8gVF4FpL2WUhaZiFpmYWkZQEjyypG ydSC4tz03GLDAsO81HK94sTc4tK8dL3k/NxNjOA41NLcwbh91Qe9Q4xMHIyHGCU4mJVEeLd7 L04Q4k1JrKxKLcqPLyrNSS0+xCjNwaIkznuh62S8kEB6YklqdmpqQWoRTJaJg1OqgalcyVhW eHHUySyP1ErLC2/Cji6wXxu1TttGSTf1e8wG1Za8kxIdWR+2HNrj/v/F1Q95rrulxJz+Juz9 1rujcEJR5aEt4ntirBet2OYobi3+KfOaBlPIDr6F0b4TOcQaKl+8j1FI+BjTEJI2W3z9a8W9 5iU+6eeNVA0DA2+Gb7hwQ0Co5b/bv6eOav8KY6t8JyfWF+VN8csNFc/bsPfmi/vBJbI3Dn9e yuZ5aGb82mlroradXbbVzKurJuBhT/+P8rTPfreFHWsuHhU+NV/wMsc19d2/OiMdU0Rn7517 TNp6wfRZf3Nb+Wbccvz3/W337x51uQa+iazLN5Vmpi5sn2ppwGu+ylPkzE3/0ye2aSmxFGck GmoxFxUnAgAJ9a2TMgMAAA== X-CMS-MailID: 20210520023100epcas1p4528846a7b21d98f1b107e103662d5eb7 X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20210510211159epcas1p119ee938888c0cb5fe966bfe5f4df823a References: <20210510211008.30300-1-digetx@gmail.com> <20210510211008.30300-5-digetx@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 5/11/21 6:10 AM, Dmitry Osipenko wrote: > The ACTMON watches activity of memory clients. Decisions about a minimum > required frequency are made based on the info from ACTMON. We can use > ACTMON as a thermal cooling device by limiting the required frequency. > Document new cooling-cells property of NVIDIA Tegra ACTMON hardware unit. > > Signed-off-by: Dmitry Osipenko > --- > .../devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml b/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml > index 2a940d5d7ab4..0aa9459b7751 100644 > --- a/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml > +++ b/Documentation/devicetree/bindings/devfreq/nvidia,tegra30-actmon.yaml > @@ -63,6 +63,9 @@ properties: > Should contain freqs and voltages and opp-supported-hw property, which > is a bitfield indicating SoC speedo ID mask. > > + "#cooling-cells": > + const: 2 > + > required: > - compatible > - reg > @@ -74,6 +77,7 @@ required: > - interconnects > - interconnect-names > - operating-points-v2 > + - "#cooling-cells" > > additionalProperties: false > > @@ -118,4 +122,5 @@ examples: > operating-points-v2 = <&dvfs_opp_table>; > interconnects = <&mc TEGRA30_MC_MPCORER &emc>; > interconnect-names = "cpu-read"; > + #cooling-cells = <2>; > }; > Acked-by: Chanwoo Choi -- Best Regards, Chanwoo Choi Samsung Electronics