Re: [PATCH 10/13] arm64: dts: freescale: imx93-phyboard-segin: Add CAN support

Marc Kleine-Budde
2025-04-12T13:41:53Z

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On 11.04.2025 10:30:18, Frank Li wrote:
> On Fri, Apr 11, 2025 at 10:08:21AM +0200, Primoz Fiser wrote:
> > Hi Frank,
> >
> > On 10. 04. 25 17:23, Frank Li wrote:
> > > On Thu, Apr 10, 2025 at 11:02:48AM +0200, Primoz Fiser wrote:
> > >> Add support for CAN networking on phyBOARD-Segin-i.MX93 via the flexcan1
> > >> interface. The CAN1_EN regulator enables the SN65HVD234 CAN transceiver
> > >> chip.
> > >
> > > Can you use drivers/phy/phy-can-transceiver.c to enable CAN phy instead
> > > of use hacked regulator-flexcan1-en.
> >
> > Sorry can't do.
> >
> > This doesn't align with other i.MX PHYTEC products using flexcan such as
> > imx8mp-phyboard-pollux-rdk.dts.
> >
> > Even the i.MX93 EVK uses the same mechanism.
>
> I think previous method is NOT good enough. Suggest involve CAN and PHY
> maintainer to discuss these.

Since d80bfde3c57a ("can: flexcan: add transceiver capabilities"), which
git mainline with v6.15-rc1 there is proper PHY support in the flexcan
driver. So from my point of view, there's no need to stick to regulator
hack.

regards,
Marc

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