Re: [PATCH v2 1/3] ARM: tegra: Add device-tree for Ouya

From: Dmitry Osipenko
Date: Tue Sep 29 2020 - 00:01:55 EST


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.