linux-kernel - Re: [PATCH v2 4/5] arm64: dts: freescale: add initial device tree for TQMa8x

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Message-ID: <3404121.aeNJFYEL58@steina-w>
Date: Wed, 11 Feb 2026 14:06:42 +0100
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Marc Kleine-Budde <mkl@...gutronix.de>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>,
 Geert Uytterhoeven <geert+renesas@...der.be>,
 Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>,
 Peter Chen <peter.chen@...nel.org>, Pawel Laszczak <pawell@...ence.com>,
 Roger Quadros <rogerq@...nel.org>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Shawn Guo <shawnguo@...nel.org>, Sascha Hauer <s.hauer@...gutronix.de>,
 Pengutronix Kernel Team <kernel@...gutronix.de>,
 Fabio Estevam <festevam@...il.com>, Magnus Damm <magnus.damm@...il.com>,
 Marek Vasut <marex@...x.de>, Frank Li <Frank.Li@....com>,
 devicetree@...r.kernel.org, imx@...ts.linux.dev, linux-usb@...r.kernel.org,
 linux-kernel@...r.kernel.org, linux-renesas-soc@...r.kernel.org,
 linux-clk@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux@...tq-group.com
Subject:
 Re: [PATCH v2 4/5] arm64: dts: freescale: add initial device tree for TQMa8x

Am Mittwoch, 11. Februar 2026, 13:43:17 CET schrieb Marc Kleine-Budde:
> On 11.02.2026 13:34:31, Alexander Stein wrote:
> > +&flexcan1 {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&pinctrl_flexcan1>;
> > +	xceiver-supply = <&reg_mba8x_v3v3>;
>         ^^^^^^^^^^^^^^
> > +	status = "okay";
> > +};
> > +
> > +&flexcan2 {
> > +	pinctrl-names = "default";
> > +	pinctrl-0 = <&pinctrl_flexcan2>;
> > +	xceiver-supply = <&reg_mba8x_v3v3>;
>         ^^^^^^^^^^^^^^
> > +	status = "okay";
> > +};
> 
> Can you use the PHY binding instead, see:
> 
> | https://elixir.bootlin.com/linux/v6.18.6/source/arch/arm64/boot/dts/freescale/imx8mp-tx8p-ml81-moduline-display-106.dts#L180

Mh, this doesn't seem to be necessary at all. It's an allways-on fixed
regulator anyway. I guess this is carried over all the time to silence
a warning regarding dummy regulator.

Will drop in v3.

Thanks and best regards,
Alexander
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