[PATCH] pmdomain: imx: Make IMX8M/IMX9 BLK_CTRL tristate

[Frank Li]

On Mon, Apr 13, 2026 at 03:08:20AM +0000, Zhipeng Wang wrote:
> > On Fri, Apr 10, 2026 at 06:27:35PM +0900, Zhipeng Wang wrote:
> > > Convert IMX8M_BLK_CTRL and IMX9_BLK_CTRL from bool to tristate to
> > > allow building as loadable modules.
> > >
> > > Add prompt strings to make these options visible and configurable in
> > > menuconfig, keeping them enabled by default on appropriate platforms.
> > >
> > > Also remove the IMX_GPCV2_PM_DOMAINS dependency from
> > IMX9_BLK_CTRL
> > > since i.MX93 doesn't use GPCv2 power domains.
> >
> > Does it cause build failure at GPCv2 platform? Or previous dependency actually
> > wrong.
> >
> > Frank
>
> Hi Frank,
>
> The previous dependency was actually wrong. Here's why:
>
> i.MX93 uses a different power domain architecture compared to i.MX8M series:
>
> - i.MX8M uses GPCv2 (General Power Controller v2) for power domain management
> - i.MX93 uses BLK_CTRL directly without GPCv2.
>
> The IMXGPCV2PMDOMAINS dependency was likely copied from IMX8MBLKCTRL
> configuration when IMX9BLKCTRL was initially added, but it was incorrect
> from the beginning since i.MX93 hardware doesn't have GPCv2 at all.

Okay, please add such information into commit message. Some

Frank