From: Krzysztof Kozlowski <krzk@kernel.org>
To: Peng Fan <peng.fan@nxp.com>,
"Peng Fan (OSS)" <peng.fan@oss.nxp.com>,
Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Shawn Guo <shawnguo@kernel.org>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>
Cc: "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"imx@lists.linux.dev" <imx@lists.linux.dev>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 1/2] dt-bindings: arm: fsl: Update i.MX95 compatible
Date: Mon, 6 Jan 2025 07:12:29 +0100 [thread overview]
Message-ID: <8d2746ba-47d2-429b-9df0-9448a4516ef1@kernel.org> (raw)
In-Reply-To: <PAXPR04MB845922D5BCAA88C26C0149B488102@PAXPR04MB8459.eurprd04.prod.outlook.com>
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@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
Problem is that compatible is way too generic to be used by Linux drivers.
Best regards,
Krzysztof
next prev parent reply other threads:[~2025-01-06 6:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-01-04 12:13 [PATCH 0/2] update i.MX95 machine compatible Peng Fan (OSS)
2025-01-04 12:13 ` [PATCH 1/2] dt-bindings: arm: fsl: Update i.MX95 compatible Peng Fan (OSS)
2025-01-04 14:43 ` Krzysztof Kozlowski
2025-01-06 2:51 ` Peng Fan
2025-01-06 6:12 ` Krzysztof Kozlowski [this message]
2025-01-09 2:40 ` Peng Fan
2025-01-13 11:35 ` Krzysztof Kozlowski
2025-01-04 12:13 ` [PATCH 2/2] arm64: dts: imx95-19x19-evk: Update machine compatible Peng Fan (OSS)
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