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From: Marc Kleine-Budde <mkl@pengutronix.de>
To: Frank Li <Frank.li@nxp.com>
Cc: Primoz Fiser <primoz.fiser@norik.com>,
	Rob Herring <robh@kernel.org>,
	 Conor Dooley <conor+dt@kernel.org>,
	devicetree@vger.kernel.org, Fabio Estevam <festevam@gmail.com>,
	 Sascha Hauer <s.hauer@pengutronix.de>,
	upstream@lists.phytec.de, linux-kernel@vger.kernel.org,
	 imx@lists.linux.dev,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	 Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Shawn Guo <shawnguo@kernel.org>,
	 linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 10/13] arm64: dts: freescale: imx93-phyboard-segin: Add CAN support
Date: Sat, 12 Apr 2025 15:41:17 +0200	[thread overview]
Message-ID: <20250412-tentacled-rugged-bee-fd7e9c-mkl@pengutronix.de> (raw)
In-Reply-To: <Z/knehHQeTTUXgr3@lizhi-Precision-Tower-5810>

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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

-- 
Pengutronix e.K.                 | Marc Kleine-Budde          |
Embedded Linux                   | https://www.pengutronix.de |
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  reply	other threads:[~2025-04-12 13:43 UTC|newest]

Thread overview: 40+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-10  9:02 [PATCH 00/13] Update PHYTEC i.MX93 DTS Primoz Fiser
2025-04-10  9:02 ` [PATCH 01/13] arm64: dts: freescale: imx93-phycore-som: Add PMIC support Primoz Fiser
2025-04-10 14:53   ` Frank Li
2025-04-10  9:02 ` [PATCH 02/13] arm64: dts: freescale: imx93-phycore-som: Add EEPROM support Primoz Fiser
2025-04-10 14:54   ` Frank Li
2025-04-10  9:02 ` [PATCH 03/13] arm64: dts: freescale: imx93-phycore-som: Disable LED pull-up Primoz Fiser
2025-04-10 14:49   ` Frank Li
2025-04-10  9:02 ` [PATCH 04/13] arm64: dts: freescale: imx93-phycore-som: Enhance eMMC pinctrl Primoz Fiser
2025-04-10 14:56   ` Frank Li
2025-04-11  6:29     ` Primoz Fiser
2025-04-11 14:34       ` Frank Li
2025-04-10  9:02 ` [PATCH 05/13] arm64: dts: freescale: imx93-phycore-som: Add eMMC no-1-8-v by default Primoz Fiser
2025-04-10 15:01   ` Frank Li
2025-04-11  6:51     ` Primoz Fiser
2025-04-11 14:32       ` Frank Li
2025-04-10  9:02 ` [PATCH 06/13] arm64: dts: freescale: imx93-phyboard-segin: Drop eMMC no-1-8-v flag Primoz Fiser
2025-04-10 15:02   ` Frank Li
2025-04-12 16:23   ` Stefan Wahren
2025-04-14 10:39     ` Primoz Fiser
2025-04-14 11:31       ` Stefan Wahren
2025-04-10  9:02 ` [PATCH 07/13] arm64: dts: freescale: imx93-phyboard-segin: Disable SD-card write-protect Primoz Fiser
2025-04-10 15:05   ` Frank Li
2025-04-10  9:02 ` [PATCH 08/13] arm64: dts: freescale: imx93-phyboard-segin: Fix SD-card pinctrl Primoz Fiser
2025-04-10 15:08   ` Frank Li
2025-04-10  9:02 ` [PATCH 09/13] arm64: dts: freescale: imx93-phyboard-segin: Add RTC support Primoz Fiser
2025-04-10 15:12   ` Frank Li
2025-04-11  7:51     ` Primoz Fiser
2025-04-10  9:02 ` [PATCH 10/13] arm64: dts: freescale: imx93-phyboard-segin: Add CAN support Primoz Fiser
2025-04-10 15:23   ` Frank Li
2025-04-11  8:08     ` Primoz Fiser
2025-04-11 14:30       ` Frank Li
2025-04-12 13:41         ` Marc Kleine-Budde [this message]
2025-04-14  8:02           ` Primoz Fiser
2025-04-10  9:02 ` [PATCH 11/13] arm64: dts: freescale: imx93-phyboard-segin: Add USB support Primoz Fiser
2025-04-10 15:25   ` Frank Li
2025-04-11  8:21     ` Ahmad Fatoum
2025-04-10  9:02 ` [PATCH 12/13] arm64: dts: freescale: imx93-phyboard-segin: Add I2S audio Primoz Fiser
2025-04-10 15:27   ` Frank Li
2025-04-10  9:02 ` [PATCH 13/13] arm64: dts: freescale: imx93-phyboard-segin: Add EQOS Ethernet Primoz Fiser
2025-04-10 15:30   ` Frank Li

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