[PATCH v6 3/6] bus: add driver for IMX AIPSTZ bridge

Laurentiu Mihalcea laurentiumihalcea111 at gmail.com
Tue Jun 10 09:07:37 PDT 2025



On 6/2/2025 7:09 AM, Shawn Guo wrote:
> On Tue, Apr 15, 2025 at 01:19:16PM -0400, Laurentiu Mihalcea wrote:
>> Add driver for this IP. Since there's currently no framework for
>> access controllers (and since there's currently no need for having
>> flexibility w.r.t the configurations) all this driver does is it
>> applies a relaxed, "default" configuration, in which all masters
>> are trusted for R/W.
> Just out of curiosity, is there any ongoing/planned effort about creating
> a framework for access controllers at all?

no plan ATM. Though, I would be interested in knowing if anyone else would benefit
from such an API? I know that STM also has some access controller-related drivers,
but I wonder if STM's drivers and the AIPSTZ are just some isolated cases in which
security-related configuration is done from EL1?



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