linux-kernel - Re: [PATCH v3 6/6] arm64: dts: imx93-11x11-evk: Use phys to replace xceiver-supply

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Message-ID: <aLG6sKiHLHbVP3os@lizhi-Precision-Tower-5810>
Date: Fri, 29 Aug 2025 10:35:28 -0400
From: Frank Li <Frank.li@....com>
To: Peng Fan <peng.fan@....com>
Cc: Marc Kleine-Budde <mkl@...gutronix.de>,
	Vincent Mailhol <mailhol.vincent@...adoo.fr>,
	Vinod Koul <vkoul@...nel.org>,
	Kishon Vijay Abraham I <kishon@...nel.org>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Aswath Govindraju <a-govindraju@...com>,
	Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, Haibo Chen <haibo.chen@....com>,
	linux-can@...r.kernel.org, linux-phy@...ts.infradead.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v3 6/6] arm64: dts: imx93-11x11-evk: Use phys to replace
 xceiver-supply

On Fri, Aug 29, 2025 at 03:09:01PM +0800, Peng Fan wrote:
> The TJA1057 used on i.MX93 EVK is actually high-speed CAN
> transceiver, not a regulator supply. So use phys to reflect the truth.
>
> Signed-off-by: Peng Fan <peng.fan@....com>

Reviewed-by: Frank Li <Frank.Li@....com>

> ---
>  arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts | 17 ++++++++---------
>  1 file changed, 8 insertions(+), 9 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> index e24e12f04526c3a08c0bdc6134297fb010e6e926..4c52f22bbfac99722184b4d8679f48c4396b557f 100644
> --- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts
> @@ -62,6 +62,13 @@ vdevbuffer: vdevbuffer@...20000 {
>
>  	};
>
> +	flexcan_phy: can-phy {
> +		compatible = "nxp,tja1057", "ti,tcan1043";
> +		#phy-cells = <0>;
> +		max-bitrate = <5000000>;
> +		standby-gpios = <&adp5585 6 GPIO_ACTIVE_HIGH>;
> +	};
> +
>  	reg_vdd_12v: regulator-vdd-12v {
>  		compatible = "regulator-fixed";
>  		regulator-name = "VDD_12V";
> @@ -87,14 +94,6 @@ reg_audio_pwr: regulator-audio-pwr {
>  		enable-active-high;
>  	};
>
> -	reg_can2_standby: regulator-can2-standby {
> -		compatible = "regulator-fixed";
> -		regulator-name = "can2-stby";
> -		regulator-min-microvolt = <3300000>;
> -		regulator-max-microvolt = <3300000>;
> -		gpio = <&adp5585 6 GPIO_ACTIVE_LOW>;
> -	};
> -
>  	reg_m2_pwr: regulator-m2-pwr {
>  		compatible = "regulator-fixed";
>  		regulator-name = "M.2-power";
> @@ -284,7 +283,7 @@ ethphy2: ethernet-phy@2 {
>  &flexcan2 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_flexcan2>;
> -	xceiver-supply = <&reg_can2_standby>;
> +	phys = <&flexcan_phy>;
>  	status = "okay";
>  };
>
>
> --
> 2.37.1
>