linux-kernel - Re: [PATCH 13/13] arm64: dts: freescale: imx93-phyboard-segin: Add EQOS Ethernet

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Message-ID: <Z/fj+2dq1HrdB6ds@lizhi-Precision-Tower-5810>
Date: Thu, 10 Apr 2025 11:30:03 -0400
From: Frank Li <Frank.li@....com>
To: Primoz Fiser <primoz.fiser@...ik.com>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	Fabio Estevam <festevam@...il.com>, devicetree@...r.kernel.org,
	imx@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, upstream@...ts.phytec.de
Subject: Re: [PATCH 13/13] arm64: dts: freescale: imx93-phyboard-segin: Add
 EQOS Ethernet

On Thu, Apr 10, 2025 at 11:02:51AM +0200, Primoz Fiser wrote:
> Add support for the carrier-board Micrel KSZ8081 Ethernet PHY. This is a
> 10/100Mbit PHY connected to the EQOS interface and shares MDIO bus with
> the Ethernet PHY located on the SoM (FEC interface).
>
> Signed-off-by: Primoz Fiser <primoz.fiser@...ik.com>
> ---

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

>  .../dts/freescale/imx93-phyboard-segin.dts    | 35 +++++++++++++++++++
>  1 file changed, 35 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts b/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
> index 08574b146400..92f0cb6eca26 100644
> --- a/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
> +++ b/arch/arm64/boot/dts/freescale/imx93-phyboard-segin.dts
> @@ -91,6 +91,28 @@ dailink_master: simple-audio-card,codec {
>  	};
>  };
>
> +/* Ethernet */
> +&eqos {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_eqos>;
> +	phy-mode = "rmii";
> +	phy-handle = <&ethphy2>;
> +	assigned-clock-parents = <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>,
> +				 <&clk IMX93_CLK_SYS_PLL_PFD1_DIV2>;
> +	assigned-clock-rates = <100000000>, <50000000>;
> +	status = "okay";
> +};
> +
> +&mdio {
> +	ethphy2: ethernet-phy@2 {
> +		compatible = "ethernet-phy-id0022.1561";
> +		reg = <2>;
> +		clocks = <&clk IMX93_CLK_ENET_REF_PHY>;
> +		clock-names = "rmii-ref";
> +		micrel,led-mode = <1>;
> +	};
> +};
> +
>  /* CAN */
>  &flexcan1 {
>  	pinctrl-names = "default";
> @@ -176,6 +198,19 @@ &usdhc2 {
>  };
>
>  &iomuxc {
> +	pinctrl_eqos: eqosgrp {
> +		fsl,pins = <
> +			MX93_PAD_ENET1_TD2__CCM_ENET_QOS_CLOCK_GENERATE_REF_CLK	0x4000050e
> +			MX93_PAD_ENET1_RD0__ENET_QOS_RGMII_RD0		0x57e
> +			MX93_PAD_ENET1_RD1__ENET_QOS_RGMII_RD1		0x57e
> +			MX93_PAD_ENET1_TD0__ENET_QOS_RGMII_TD0		0x50e
> +			MX93_PAD_ENET1_TD1__ENET_QOS_RGMII_TD1		0x50e
> +			MX93_PAD_ENET1_RX_CTL__ENET_QOS_RGMII_RX_CTL	0x57e
> +			MX93_PAD_ENET1_TX_CTL__ENET_QOS_RGMII_TX_CTL	0x50e
> +			MX93_PAD_ENET1_RXC__ENET_QOS_RX_ER		0x57e
> +		>;
> +	};
> +
>  	pinctrl_flexcan1: flexcan1grp {
>  		fsl,pins = <
>  			MX93_PAD_PDM_BIT_STREAM0__CAN1_RX	0x139e
> --
> 2.34.1
>