linux-kernel - Re: [PATCH 1/1] dt-bindings: arm: lpc: add missed lpc43xx board

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Message-ID: <5014a8ff-aa91-4ea4-81c5-7aeafc13b330@kernel.org>
Date: Mon, 2 Jun 2025 18:17:49 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Frank Li <Frank.Li@....com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
 Alexander Stein <alexander.stein@...tq-group.com>,
 Marek Vasut <marex@...x.de>, Peng Fan <peng.fan@....com>,
 Michael Walle <mwalle@...nel.org>, Fabio Estevam <festevam@...x.de>,
 Markus Niebel <Markus.Niebel@...group.com>,
 Frieder Schrempf <frieder.schrempf@...tron.de>,
 Francesco Dolcini <francesco.dolcini@...adex.com>,
 Max Merchel <Max.Merchel@...tq-group.com>, Tim Harvey
 <tharvey@...eworks.com>,
 "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
 <devicetree@...r.kernel.org>, open list <linux-kernel@...r.kernel.org>
Cc: imx@...ts.linux.dev
Subject: Re: [PATCH 1/1] dt-bindings: arm: lpc: add missed lpc43xx board

On 02/06/2025 16:06, Frank Li wrote:
> Add missed legancy lpc43xx board compatible string to fix below CHECK_DTB

typo: legacy

> warnings:
> arch/arm/boot/dts/nxp/lpc/lpc4337-ciaa.dtb: /: failed to match any schema with compatible: ['ciaa,lpc4337', 'nxp,lpc4337', 'nxp,lpc4350']


> 
> Signed-off-by: Frank Li <Frank.Li@....com>
> ---
>  .../devicetree/bindings/arm/fsl.yaml          | 23 +++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
> index d3b5e6923e416..75e46ffe9ba8c 100644
> --- a/Documentation/devicetree/bindings/arm/fsl.yaml
> +++ b/Documentation/devicetree/bindings/arm/fsl.yaml
> @@ -1711,6 +1711,29 @@ properties:
>                - traverse,ten64            # Ten64 Networking Appliance / Board
>            - const: fsl,ls1088a
>  
> +      - description: lpc based Boards
> +        items:
> +          - enum:
> +              - ea,lpc4357-developers-kit
> +              - ciaa,lpc4337
> +          - enum:
> +              - nxp,lpc4337
> +              - nxp,lpc4357

This feels wrong. Why 4337-based board is compatible with 4357 SoC? If
this was intentional either DTS is wrong or commit msg needs explanation.

> +          - const: nxp,lpc4350
> +
Best regards,
Krzysztof