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

[Frank Li]

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@xxxxxxx>

> 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@xxxxxxx>
> ---
>  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
>