linux-kernel - Re: [PATCH 1/2] dt-bindings: phy: ti,tcan104x-can: Document TI TCAN1046

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Message-ID: <aTb2MuGSZvp9d0Al@lizhi-Precision-Tower-5810>
Date: Mon, 8 Dec 2025 11:00:50 -0500
From: Frank Li <Frank.li@....com>
To: Prabhakar <prabhakar.csengg@...il.com>
Cc: Marc Kleine-Budde <mkl@...gutronix.de>,
	Vincent Mailhol <mailhol@...nel.org>, Vinod Koul <vkoul@...nel.org>,
	Neil Armstrong <neil.armstrong@...aro.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Aswath Govindraju <a-govindraju@...com>, linux-can@...r.kernel.org,
	linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
	Biju Das <biju.das.jz@...renesas.com>,
	Fabrizio Castro <fabrizio.castro.jz@...esas.com>,
	Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
Subject: Re: [PATCH 1/2] dt-bindings: phy: ti,tcan104x-can: Document TI
 TCAN1046

On Mon, Dec 08, 2025 at 03:50:18PM +0000, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
>
> Document the TI TCAN1046 automotive CAN transceiver. The TCAN1046
> provides dual high-speed CAN channels and includes STB1/2 control
> lines.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@...renesas.com>
> ---
>  Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml b/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
> index c686d06f5f56..c53c4f703102 100644
> --- a/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
> +++ b/Documentation/devicetree/bindings/phy/ti,tcan104x-can.yaml
> @@ -23,6 +23,7 @@ properties:
>        - enum:
>            - ti,tcan1042
>            - ti,tcan1043
> +          - ti,tcan1046

according to patch2, which is the compatible as nxp,tja1048. why not allow
ti,tcan1046 fallback to nxp,tja1048.

So needn't change driver code.

Frank
>            - nxp,tja1048
>            - nxp,tja1051
>            - nxp,tja1057
> @@ -84,7 +85,9 @@ allOf:
>        properties:
>          compatible:
>            contains:
> -            const: nxp,tja1048
> +            enum:
> +              - ti,tcan1046
> +              - nxp,tja1048
>      then:
>        properties:
>          '#phy-cells':
> --
> 2.52.0
>