[PATCH 00/10] Add new feature controller framework

[Sascha Hauer]

Hi Ahmad,

On Thu, Aug 18, 2022 at 07:19:45AM +0200, Ahmad Fatoum wrote:
> The i.MX8MM exists in a Lite variant with no VPUs as well as Solo and
> Dual variants with one or two cores respectively instead of the default
> four. For i.MX6, we had a manual fixup taking care of deleting the
> excess CPUs, but for e.g. the i.MX8MP, we have fuses for the M7, VPUs, CAN,
> CAN-FD, ISPs, NPU, ... etc. Describing all that in the DT is overly verbose
> as we need to take care not to rely on specific device node names that
> should be disabled. There has been an upstream attempt to get a binding
> for U-Boot to act on:
> 
>   https://lore.kernel.org/all/20220324042024.26813-1-peng.fan@oss.nxp.com/
> 
> This was refused by the DT maintainer, because any solution to this
> problem should also be flexible enough to cover the case of partitioning
> devices between the secure and normal world.
> 
> There's a patch series upstream to describe a domain-controller binding
> that allows a hypervisor to partition devices into domains. With the
> naming generalized, this fits nicely the use case of gating devices
> behind specific features:
> 
> https://lore.kernel.org/all/3ca7cd75-4b62-2380-adb0-646bbeb647a2@pengutronix.de/
> 
> This series does that. See the first two commit messages for details.
> We use a barebox, prefix as the naming isn't set in stone, but the intention
> is to drop the prefix and potentially rename once an upstream binding is
> approved.

I am fine with this series. Is this still the way you want to have it
merged or do you have an update?

Sascha

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