linux-kernel - [PATCH v2] arm64: dts: imx8mm-emtop-baseboard: Add Ethernet Support

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Message-Id: <20240725065342.9308-1-tarang.raval@siliconsignals.io>
Date: Thu, 25 Jul 2024 12:23:41 +0530
From: Tarang Raval <tarang.raval@...iconsignals.io>
To: krzk+dt@...nel.org,
	shawnguo@...nel.org,
	festevam@...il.com
Cc: tarang.raval@...iconsignals.io,
	Rob Herring <robh@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Pengutronix Kernel Team <kernel@...gutronix.de>,
	devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2] arm64: dts: imx8mm-emtop-baseboard: Add Ethernet Support

Change in V2

	1. Add Board name into subject
	2. Remove below properties
	- at803x,eee-disabled;
	- at803x,vddio-1p8v;

Signed-off-by: Tarang Raval <tarang.raval@...iconsignals.io>
---
 .../dts/freescale/imx8mm-emtop-baseboard.dts  | 48 +++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mm-emtop-baseboard.dts b/arch/arm64/boot/dts/freescale/imx8mm-emtop-baseboard.dts
index 1c4e4d175989..7d2cb74c64ee 100644
--- a/arch/arm64/boot/dts/freescale/imx8mm-emtop-baseboard.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mm-emtop-baseboard.dts
@@ -11,5 +11,53 @@ / {
 	model = "Emtop Embedded Solutions i.MX8M Mini Baseboard V1";
 	compatible = "ees,imx8mm-emtop-baseboard", "ees,imx8mm-emtop-som",
 		"fsl,imx8mm";
+};
+
+&fec1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_fec1>;
+	phy-mode = "rgmii-id";
+	phy-handle = <&ethphy0>;
+	fsl,magic-packet;
+	status = "okay";
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		ethphy0: ethernet-phy@4 {
+			compatible = "ethernet-phy-ieee802.3-c22";
+			reg = <4>;
+			reset-gpios = <&gpio4 22 GPIO_ACTIVE_LOW>;
+			reset-assert-us = <10000>;
+			vddio-supply = <&vddio>;
+
+			vddio: vddio-regulator {
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <1800000>;
+			};
+		};
+	};
+};
 
+&iomuxc {
+	pinctrl_fec1: fec1grp {
+		fsl,pins = <
+			MX8MM_IOMUXC_ENET_MDC_ENET1_MDC                 0x3
+			MX8MM_IOMUXC_ENET_MDIO_ENET1_MDIO               0x3
+			MX8MM_IOMUXC_ENET_TD3_ENET1_RGMII_TD3           0x1f
+			MX8MM_IOMUXC_ENET_TD2_ENET1_RGMII_TD2           0x1f
+			MX8MM_IOMUXC_ENET_TD1_ENET1_RGMII_TD1           0x1f
+			MX8MM_IOMUXC_ENET_TD0_ENET1_RGMII_TD0           0x1f
+			MX8MM_IOMUXC_ENET_RD3_ENET1_RGMII_RD3           0x91
+			MX8MM_IOMUXC_ENET_RD2_ENET1_RGMII_RD2           0x91
+			MX8MM_IOMUXC_ENET_RD1_ENET1_RGMII_RD1           0x91
+			MX8MM_IOMUXC_ENET_RD0_ENET1_RGMII_RD0           0x91
+			MX8MM_IOMUXC_ENET_TXC_ENET1_RGMII_TXC           0x1f
+			MX8MM_IOMUXC_ENET_RXC_ENET1_RGMII_RXC           0x91
+			MX8MM_IOMUXC_ENET_RX_CTL_ENET1_RGMII_RX_CTL     0x91
+			MX8MM_IOMUXC_ENET_TX_CTL_ENET1_RGMII_TX_CTL     0x1f
+			MX8MM_IOMUXC_SAI2_RXC_GPIO4_IO22                0x19
+		>;
+	};
 };
-- 
2.34.1