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

From: Dmitry Osipenko
Date: Sat Sep 26 2020 - 09:48:06 EST


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.