linux-kernel - Re: [PATCH v2 02/48] dt-bindings: memory: tegra30: emc: Replace core regulator with power domain

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Date:   Tue, 22 Dec 2020 22:16:45 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Mark Brown <broonie@...nel.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Peter Geis <pgwipeout@...il.com>,
        Nicolas Chauvet <kwizart@...il.com>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Kevin Hilman <khilman@...nel.org>,
        Peter De Schrijver <pdeschrijver@...dia.com>,
        Viresh Kumar <vireshk@...nel.org>,
        Stephen Boyd <sboyd@...nel.org>,
        Michael Turquette <mturquette@...libre.com>,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, dri-devel@...ts.freedesktop.org,
        linux-media@...r.kernel.org, linux-tegra@...r.kernel.org,
        linux-clk@...r.kernel.org
Subject: Re: [PATCH v2 02/48] dt-bindings: memory: tegra30: emc: Replace core
 regulator with power domain

22.12.2020 01:54, Rob Herring пишет:
> On Thu, Dec 17, 2020 at 09:05:52PM +0300, Dmitry Osipenko wrote:
>> Power domain fits much better than a voltage regulator in regards to
>> a proper hardware description and from a software perspective as well.
>> Hence replace the core regulator with the power domain. Note that this
>> doesn't affect any existing DTBs because we haven't started to use the
>> regulator yet, and thus, it's okay to change it.
>>
>> Signed-off-by: Dmitry Osipenko <digetx@...il.com>
>> ---
>>  .../bindings/memory-controllers/nvidia,tegra30-emc.yaml     | 6 +++---
>>  1 file changed, 3 insertions(+), 3 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml
>> index 0a2e2c0d0fdd..7b4af9169b0b 100644
>> --- a/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml
>> +++ b/Documentation/devicetree/bindings/memory-controllers/nvidia,tegra30-emc.yaml
>> @@ -39,9 +39,9 @@ properties:
>>      description:
>>        Phandle of the Memory Controller node.
>>  
>> -  core-supply:
>> +  power-domains:
>>      description:
>> -      Phandle of voltage regulator of the SoC "core" power domain.
>> +      Phandle to the SoC "core" power domain.
> 
> power-domains needs to define how many (maxItems).

Okay, thanks.