linux-kernel - RE: [PATCH v2 1/6] dt-bindings: firmware: arm,scmi: set additionalProperties to true

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Message-ID:
 <DU0PR04MB9417C5B9BDD9E0B47E7494C088012@DU0PR04MB9417.eurprd04.prod.outlook.com>
Date: Sun, 7 Apr 2024 10:04:47 +0000
From: Peng Fan <peng.fan@....com>
To: Krzysztof Kozlowski <krzk@...nel.org>, "Peng Fan (OSS)"
	<peng.fan@....nxp.com>, Rob Herring <robh@...nel.org>, Krzysztof Kozlowski
	<krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, Shawn Guo
	<shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>, Pengutronix
 Kernel Team <kernel@...gutronix.de>, Fabio Estevam <festevam@...il.com>,
	Sudeep Holla <sudeep.holla@....com>, Cristian Marussi
	<cristian.marussi@....com>
CC: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"imx@...ts.linux.dev" <imx@...ts.linux.dev>,
	"linux-arm-kernel@...ts.infradead.org"
	<linux-arm-kernel@...ts.infradead.org>, "linux-kernel@...r.kernel.org"
	<linux-kernel@...r.kernel.org>
Subject: RE: [PATCH v2 1/6] dt-bindings: firmware: arm,scmi: set
 additionalProperties to true

> Subject: Re: [PATCH v2 1/6] dt-bindings: firmware: arm,scmi: set
> additionalProperties to true
> 
> On 07/04/2024 02:37, Peng Fan wrote:
> >> Subject: Re: [PATCH v2 1/6] dt-bindings: firmware: arm,scmi: set
> >> additionalProperties to true
> >>
> >> On 05/04/2024 14:39, Peng Fan (OSS) wrote:
> >>> From: Peng Fan <peng.fan@....com>
> >>>
> >>> When adding vendor extension protocols, there is dt-schema warning:
> >>> "
> >>> imx,scmi.example.dtb: scmi: 'protocol@81', 'protocol@84' do not
> >>> match any of the regexes: 'pinctrl-[0-9]+'
> >>> "
> >>>
> >>> Set additionalProperties to true to address the issue.
> >>
> >> I do not see anything addressed here, except making the binding
> >> accepting anything anywhere...
> >
> > I not wanna add vendor protocols in arm,scmi.yaml, so will introduce a
> > new yaml imx.scmi.yaml which add i.MX SCMI protocol extension.
> >
> > With additionalProperties set to false, I not know how, please suggest.
> 
> First of all, you cannot affect negatively existing devices (their
> bindings) and your patch does exactly that. This should make you thing what
> is the correct approach...
> 
> Rob gave you the comment about missing compatible - you still did not
> address that.

I added the compatible in patch 2/6 in the examples "compatible = "arm,scmi";"
> 
> You need common schema referenced in arm,scmi and your device specific
> schema, also using it.

ok, let me try to figure it out.

Thanks,
Peng.
> 
> 
> Best regards,
> Krzysztof