RE: NVMEM usage consult for device information

[Mac Lu (çåå)]

Hi Srini:
>Is this data stored in a non volatile memory on the SoC?
>if yes, then we should have a proper nvmem provider driver.

Yes. This data is stored in non volatile memory on the SoC.
It would be read at bootloader and delivered to kernel by DTB.


Thanks
Mac

-----Original Message-----
From: Srinivas Kandagatla [mailto:srinivas.kandagatla@xxxxxxxxxx] 
Sent: Tuesday, February 18, 2020 5:19 PM
To: Mac Lu (çåå) <mac.lu@xxxxxxxxxxxx>; linux-kernel@xxxxxxxxxxxxxxx; linux-mediatek@xxxxxxxxxxxxxxxxxxx
Cc: Andrew-CT Chen (éæè) <Andrew-CT.Chen@xxxxxxxxxxxx>
Subject: Re: NVMEM usage consult for device information



On 18/02/2020 05:16, Mac Lu (çåå) wrote:
> Hello,
> 
> MediatekÂchip have some SOC configurations and specific data which 
> would be delivered to kernel by DTB.
> 
Is this data stored in a non volatile memory on the SoC?
if yes, then we should have a proper nvmem provider driver.

--srini

> So we want to implement a new NVMEM driver to retrieve these data for 
> use by the NVMEM Framework.
> 
> Do you agree with the usage for our application?
> 
> Thanks
> 
> Mac
> 
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