[PATCH v5 3/8] pmdomain: thead: Instantiate GPU power sequencer via auxiliary bus

[Bartosz Golaszewski]

On Thu, Jun 19, 2025 at 12:25 PM Ulf Hansson <ulf.hansson at linaro.org> wrote:
>
> On Wed, 18 Jun 2025 at 12:22, Michal Wilczynski
> <m.wilczynski at samsung.com> wrote:
> >
> > In order to support the complex power sequencing required by the TH1520
> > GPU, the AON power domain driver must be responsible for initiating the
> > corresponding sequencer driver. This functionality is specific to
> > platforms where the GPU power sequencing hardware is controlled by the
> > AON block.
> >
> > Extend the AON power domain driver to check for the presence of the
> > "gpu-clkgen" reset in its own device tree node.
> >
> > If the property is found, create and register a new auxiliary device.
> > This device acts as a proxy that allows the dedicated `pwrseq-thead-gpu`
> > auxiliary driver to bind and take control of the sequencing logic.
> >
> > Signed-off-by: Michal Wilczynski <m.wilczynski at samsung.com>
>
> Reviewed-by: Ulf Hansson <ulf.hansson at linaro.org>
>
> It looks like there is another re-spin needed, but thinking of the
> merge-strategy I could potentially take patch1->patch3 via my pmdomain
> tree, as it seems reasonable to keep those changes together. Unless
> Bartosz sees any problem with that, of course.
>

I have another change planned for the pwrseq API for this cycle.
Nothing major but it still will require patch 1/8 to be in my tree so
if you don't mind, I'll take it hrough the pwrseq tree and provide you
an immutable tag to pull before you apply the rest?

Bart