Re: [PATCH v6 1/5] media: dt-bindings: Add CAMSS device for Kaanapali

Vijay Kumar Tumati
2025-11-19T13:29:34Z

On 11/19/2025 1:21 AM, Bryan O'Donoghue wrote:
> On 18/11/2025 21:45, Vijay Kumar Tumati wrote:
>>>> Hi Bryan, HLOS does not have access to those registers. They are
>>>> configured by the Hyp.
>>> If that's hyp, please add them. We already have platforms without
>>> Gunyah. Remember, bindings are defined once and for good and I wouldn't
>>> call it impossible that someone would want to run that configuration on
>>> Kaanapali some day
>>>
>>> Konrad
>>
>> Sure, if that's the standard. But even on systems without Gunyah
>> (say, KVM/PKVM), these will not be configured from HLOS in the
>> regular flow. It will be done from TZ.
>
> By the bootloader/s or by runtime TZ app ?
>
> ---
> bod

The proposed architecture is for it to be done by the TZ (Secure EL1).

Thanks,

Vijay.