Re: [PATCH v5 00/10] pmdomain: samsung: add support for Google GS101

[Ulf Hansson]

On Thu, 5 Feb 2026 at 22:42, André Draszik <andre.draszik@xxxxxxxxxx> wrote:
>
> Hi,
>
> This series adds support for the power domains on Google GS101.
>
> There are a few differences compared to SoCs already supported by this
> driver:
> * register access does not work via plain ioremap() / readl() /
>   writel().
>   Instead, the regmap created by the PMU driver must be used (which
>   uses Arm SMCC calls under the hood).
> * DTZPC: a call needs to be made before and after power domain off/on,
>   to inform the EL3 firmware of the request.
> * power domains can and are fed by a regulator rail and therefore
>   regulator control needed be implemented.
>
> Bullet points 2 and 3 are new since version 4 of this series, and
> related changes are in patches 1, 2, 9, and 10. I can merge patch 9
> (SMC call) into the gs101 patch (patch 7) if preferred, but for now I
> kept them independent to make it easier to see changes compared to
> previous versions of this series, and because patch 9 actually applies
> to not only gs101, but to many newer Exynos SoCs, and to make patches 9
> and 10 themselves easier to review and reason about.
>
> The DT update to add the new required properties on gs101 will be
> posted separately.
>
> Signed-off-by: André Draszik <andre.draszik@xxxxxxxxxx>
> ---
> Changes in v5:
> - add domain-supply to binding (patch 2)
> - Link to v4: https://lore.kernel.org/r/20260128-gs101-pd-v4-0-cbe7bd5a4060@xxxxxxxxxx

[...]

FYI, I have reviewed this and it looks good to me. Although, I am
awaiting a new version/confirmation about the last DT patch from Rob
before applying.

Kind regards
Uffe