[PATCH v2] pmdomain: imx: Make IMX8M/IMX9 BLK_CTRL tristate

Zhipeng Wang zhipeng.wang_1 at nxp.com
Wed Apr 15 18:59:58 PDT 2026


> On Mon, Apr 13, 2026 at 02:30:49PM +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.
> > This dependency was incorrect from the beginning - i.MX93 uses a
> 
> s/-/because
> 
> Reviewed-by: Frank Li <Frank.Li at nxp.com>
> 

Hi Frank,

Thank you! v3 sent.

BRs,
Zhipeng
> > different power domain architecture compared to i.MX8M series:
> >
> > - i.MX8M uses GPCv2 (General Power Controller v2) for power domain
> >   management, hence IMX8M_BLK_CTRL correctly depends on it.
> >
> > - i.MX93 uses BLK_CTRL directly without GPCv2. The hardware doesn't
> >   have GPCv2 at all.
> >
> > Signed-off-by: Zhipeng Wang <zhipeng.wang_1 at nxp.com>
> > ---
> >  drivers/pmdomain/imx/Kconfig | 11 +++++++----
> >  1 file changed, 7 insertions(+), 4 deletions(-)
> >
> > diff --git a/drivers/pmdomain/imx/Kconfig
> > b/drivers/pmdomain/imx/Kconfig index 00203615c65e..9168d183b0c5
> 100644
> > --- a/drivers/pmdomain/imx/Kconfig
> > +++ b/drivers/pmdomain/imx/Kconfig
> > @@ -10,15 +10,18 @@ config IMX_GPCV2_PM_DOMAINS
> >  	default y if SOC_IMX7D
> >
> >  config IMX8M_BLK_CTRL
> > -	bool
> > -	default SOC_IMX8M && IMX_GPCV2_PM_DOMAINS
> > +	tristate "i.MX8M BLK CTRL driver"
> > +	depends on SOC_IMX8M
> > +	depends on IMX_GPCV2_PM_DOMAINS
> >  	depends on PM_GENERIC_DOMAINS
> >  	depends on COMMON_CLK
> > +	default y
> >
> >  config IMX9_BLK_CTRL
> > -	bool
> > -	default SOC_IMX9 && IMX_GPCV2_PM_DOMAINS
> > +	tristate "i.MX93 BLK CTRL driver"
> > +	depends on SOC_IMX9
> >  	depends on PM_GENERIC_DOMAINS
> > +	default y
> >
> >  config IMX_SCU_PD
> >  	bool "IMX SCU Power Domain driver"
> > --
> > 2.34.1
> >



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