linux-kernel - Re: [PATCH 1/2] dt-bindings: can: fsl,flexcan: add transceiver capabilities

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Message-ID: <20250211-epidermis-crib-b50da209d954@spud>
Date: Tue, 11 Feb 2025 16:38:48 +0000
From: Conor Dooley <conor@...nel.org>
To: dimitri.fedrau@...bherr.com
Cc: Marc Kleine-Budde <mkl@...gutronix.de>,
	Vincent Mailhol <mailhol.vincent@...adoo.fr>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, linux-can@...r.kernel.org,
	linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
	Dimitri Fedrau <dima.fedrau@...il.com>
Subject: Re: [PATCH 1/2] dt-bindings: can: fsl,flexcan: add transceiver
 capabilities

On Tue, Feb 11, 2025 at 02:12:33PM +0100, Dimitri Fedrau via B4 Relay wrote:
> From: Dimitri Fedrau <dimitri.fedrau@...bherr.com>
> 
> Currently the flexcan driver does not support adding PHYs. Add the
> capability to ensure that the PHY is in operational state when the link
> is set to an "up" state.
> 
> Signed-off-by: Dimitri Fedrau <dimitri.fedrau@...bherr.com>
> ---
>  Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
> index 97dd1a7c5ed26bb7f1b2f78c326d91e2c299938a..397957569588a61111a313cf9107e29dacc9e667 100644
> --- a/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
> +++ b/Documentation/devicetree/bindings/net/can/fsl,flexcan.yaml
> @@ -70,6 +70,9 @@ properties:
>    xceiver-supply:
>      description: Regulator that powers the CAN transceiver.
>  
> +  phys:
> +    maxItems: 1

Can all devices in this binding support external phy? Are all devices
limited to a single external phy?

> +
>    big-endian:
>      $ref: /schemas/types.yaml#/definitions/flag
>      description: |
> 
> -- 
> 2.39.5
> 
> 

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