Re: [PATCH 0/3] Simple DVFS support for Allwinner A64 SoC

From: Icenowy Zheng
Date: Mon Sep 25 2017 - 06:12:33 EST




ä 2017å9æ25æ GMT+08:00 äå6:10:27, Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx> åå:
>Hi,
>
>On Sat, Sep 23, 2017 at 12:15:28AM +0000, Icenowy Zheng wrote:
>> This patchset imports simple DVFS support for Allwinner A64 SoC.
>>
>> As the thermal sensor driver is not yet implemented and some boards
>> have still no AXP PMIC support, now only two OPPs are present --
>> 648MHz@xxxxx and 816MHz@xxxx to prevent overheat or undervoltage.
>>
>> PATCH 1 is a fix to the CCU driver of A64, and the remaining patches
>> set up the device tree bits of the DVFS on Pine64.
>
>How has this been tested?
>
>What tasks did you run, with what governor, etc...

I only tested manual frequency switching between 648MHz and
816MHz, and tested the PLL stuck issue by change the OPPs to
some random value.

>
>Thanks!
>Maxime