linux-kernel - Re: [PATCH 3/3] ARM: dts: mxs: support i.MX28 Amarula rmm board

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Message-ID: <CABGWkvrmuhaF4iHqHRkrNrrHb2gUNDBJKCT-jZ8ZuwZGRvm7Lw@mail.gmail.com>
Date: Wed, 21 May 2025 12:32:19 +0200
From: Dario Binacchi <dario.binacchi@...rulasolutions.com>
To: Marc Kleine-Budde <mkl@...gutronix.de>
Cc: linux-kernel@...r.kernel.org, Rob Herring <robh@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org, 
	linux-amarula@...rulasolutions.com, Sascha Hauer <s.hauer@...gutronix.de>, 
	imx@...ts.linux.dev, Pengutronix Kernel Team <kernel@...gutronix.de>, 
	Shawn Guo <shawnguo@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, michael@...rulasolutions.com, 
	Fabio Estevam <festevam@...il.com>, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 3/3] ARM: dts: mxs: support i.MX28 Amarula rmm board

Hello Marc,

On Wed, May 21, 2025 at 11:35 AM Marc Kleine-Budde <mkl@...gutronix.de> wrote:
>
> On 21.05.2025 11:28:22, Dario Binacchi wrote:
> > The board includes the following resources:
> >  - 256 Mbytes NAND Flash
> >  - 256 Mbytes SRAM
> >  - LCD-TFT controller
> >  - CAN
>
> [...]
>
> > +&can0 {
> > +     pinctrl-names = "default";
> > +     pinctrl-0 = <&can0_pins_a>;
> > +     xceiver-supply = <&reg_3v3>;
>
> Since v6.15-rc1 (d80bfde3c57a ("can: flexcan: add transceiver
> capabilities")), the flexcan driver supports CAN transceivers via the
> phy framework, see drivers/phy/phy-can-transceiver.c. Can you make use
> of it?

The board uses the SN65HVD233 transceiver, which is not listed among those
supported by drivers/phy/phy-can-transceiver.c. So I can't use the PHY
framework.
Do you agree?
Or am I missing something?

Thanks and regards,
Dario

>
> regards,
> Marc
>
> --
> Pengutronix e.K.                 | Marc Kleine-Budde          |
> Embedded Linux                   | https://www.pengutronix.de |
> Vertretung Nürnberg              | Phone: +49-5121-206917-129 |
> Amtsgericht Hildesheim, HRA 2686 | Fax:   +49-5121-206917-9   |



-- 

Dario Binacchi

Senior Embedded Linux Developer

dario.binacchi@...rulasolutions.com

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