On 06/01/2025 03:51, Peng Fan wrote: >> 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@xxxxxxx> >>> >>> 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 Problem is that compatible is way too generic to be used by Linux drivers. Best regards, Krzysztof