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

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20250521-neon-yellow-groundhog-69f777-mkl@pengutronix.de>
Date: Wed, 21 May 2025 14:59:50 +0200
From: Marc Kleine-Budde <mkl@...gutronix.de>
To: Dario Binacchi <dario.binacchi@...rulasolutions.com>
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

On 21.05.2025 12:32:19, Dario Binacchi wrote:
> 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.

Hmmm, okay. Since the SN65HVD233 has features like loopback, we have to
think about it more than adding a new compatible to the existing driver.

> Do you agree?

Ok

> Or am I missing something?

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   |

Download attachment "signature.asc" of type "application/pgp-signature" (489 bytes)