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Message-ID: <3801ef6d-0207-06b9-713e-285179703131@gmail.com>
Date:   Tue, 29 Sep 2020 07:01:44 +0300
From:   Dmitry Osipenko <digetx@...il.com>
To:     Peter Geis <pgwipeout@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Jonathan Hunter <jonathanh@...dia.com>,
        Matt Merhar <mattmerhar@...tonmail.com>,
        Stephen Warren <swarren@...dotorg.org>,
        Bob Ham <rah@...trans.net>,
        Leonardo Bras <leobras.c@...il.com>,
        Michael Brougham <jusplainmike@...il.com>,
        linux-tegra@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] ARM: tegra: Add device-tree for Ouya

26.09.2020 16:47, Dmitry Osipenko пишет:
> 26.09.2020 05:01, Peter Geis пишет:
> ...
>>>> +             pmic: pmic@2d {
>>>> +                     compatible = "ti,tps65911";
>>>> +                     reg = <0x2d>;
>>>> +
>>>> +                     interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
>>>> +                     #interrupt-cells = <2>;
>>>> +                     interrupt-controller;
>>>> +
>>>> +                     ti,system-power-controller;
>>>
>>> Are the ti,sleep-keep-ck32k and other properties not needed for Ouya
>>> like they are needed for Nexus 7?
>>
>> Ouya is wall powered, so ultra low power isn't terribly necessary.
>> Also with LP1 and LP0 not working, it doesn't make much sense to
>> implement this yet.
> 
> The keep-ck32 is not about power saving. If PMC is running off PMIC's
> oscillator during LP1 suspend, then this should be one of the reasons
> why LP1 doesn't work for you.
> 

I missed that you set nvidia,suspend-mode to LP2, so perhaps should be
good as-is for now.

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