Hello Michal,
On 30.6.2016 13:13, Michal Suchanek wrote:
> Hello,
>
> On 25 June 2016 at 05:45, <megous@xxxxxxxxxx> wrote:
>> From: Ondrej Jirman <megous@xxxxxxxxxx>
>>
>> Use Xulong Orange Pi One GPIO based regulator for
>> passive cooling and thermal management.
>>
>> Signed-off-by: Ondrej Jirman <megous@xxxxxxxxxx>
>> ---
>> arch/arm/boot/dts/sun8i-h3-orangepi-one.dts | 39 +++++++++++++++++++++++++++++
>> 1 file changed, 39 insertions(+)
>>
>> diff --git a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
>> index b1bd6b0..a38d871 100644
>> --- a/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
>> +++ b/arch/arm/boot/dts/sun8i-h3-orangepi-one.dts
>> @@ -109,6 +109,45 @@
>> };
>> };
>>
>> +&cpu0 {
>> + operating-points = <
>> + /* kHz uV */
>> + 1296000 1300000
>> + 1200000 1300000
>
> First problem is that the board boots at 1008000 which is not listed
> and the kernel complains.
>
> Second problem is that the board locks up during boot with this enabled.
>
> Do you have some suggestion for alternate configuration to test?
I've identified the problem as incorrectly set up gpio-regulator. During
boot, when it was probed, it would be initiualized with 1.1V for a
moment. This caused random non-specific lockups/crashes afterwards.
Fixed patches are in my branch on github, if you want to try again.
https://github.com/megous/linux/commits/orange-pi-4.7
regards,
o.
> Thanks
>
> Michal
>
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