linux-kernel - Re: [PATCH v7 08/47] dt-bindings: memory: tegra20: emc: Document OPP table and voltage regulator

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Message-ID: <20201105194844.GA1700597@bogus>
Date:   Thu, 5 Nov 2020 13:48:44 -0600
From:   Rob Herring <robh@...nel.org>
To:     Dmitry Osipenko <digetx@...il.com>
Cc:     Michael Turquette <mturquette@...libre.com>,
        devicetree@...r.kernel.org, linux-tegra@...r.kernel.org,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Rob Herring <robh+dt@...nel.org>,
        MyungJoo Ham <myungjoo.ham@...sung.com>,
        Stephen Boyd <sboyd@...nel.org>,
        dri-devel@...ts.freedesktop.org,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        linux-pm@...r.kernel.org,
        Kyungmin Park <kyungmin.park@...sung.com>,
        linux-kernel@...r.kernel.org, Peter Geis <pgwipeout@...il.com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        Viresh Kumar <vireshk@...nel.org>,
        Georgi Djakov <georgi.djakov@...aro.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        Mikko Perttunen <cyndis@...si.fi>
Subject: Re: [PATCH v7 08/47] dt-bindings: memory: tegra20: emc: Document OPP
 table and voltage regulator

On Wed, 04 Nov 2020 19:48:44 +0300, Dmitry Osipenko wrote:
> The SoC core voltage can't be changed without taking into account the
> clock rate of External Memory Controller. Document OPP table that will
> be used for dynamic voltage frequency scaling, taking into account EMC
> voltage requirement. Document optional core voltage regulator, which is
> optional because some boards may have a fixed core regulator and still
> frequency scaling may be desired to have.
> 
> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
> ---
>  .../memory-controllers/nvidia,tegra20-emc.txt    | 16 ++++++++++++++++
>  1 file changed, 16 insertions(+)
> 

Acked-by: Rob Herring <robh@...nel.org>