[PATCH 1/2] dt-bindings: arm: fsl: Update i.MX95 compatible

Peng Fan peng.fan at nxp.com
Sun Jan 5 18:51:11 PST 2025


> Subject: Re: [PATCH 1/2] dt-bindings: arm: fsl: Update i.MX95
> compatible
> 
> On 04/01/2025 13:13, Peng Fan (OSS) wrote:
> > From: Peng Fan <peng.fan at nxp.com>
> >
> > i.MX95 features a System Controller and SCMI Spec 3.2 compatible
> > firmware System Manager(SM) runs on the controller.
> > Add "fsl,imx-sm" compatible string as fallback for "fsl,imx95" to
> > indicate it is compatible with i.MX System Manager.
> 
> I see little value in generic compatible like that. All these are
> aarch64 so why not adding that compatible?
> 
> How this generic compatible would be used?
> 
> And by what exactly?

There will be more i.MX9 chips with System Manager. I would
not expand the list here each time to support a new SoC.

https://elixir.bootlin.com/linux/v6.13-rc3/source/drivers/pinctrl/pinctrl-scmi.c#L508
https://elixir.bootlin.com/linux/v6.13-rc3/source/drivers/pinctrl/freescale/pinctrl-imx-scmi.c#L290

> 
> All this must be explained in the commit msg.

If upper is ok, I will include in V2.

Thanks,
Peng.

> 
> Best regards,
> Krzysztof


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