linux-kernel - [PATCH v2 2/2] arm64: dts: imx95-19x19-evk: add ENETC 0 support

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Message-Id: <20241219061340.1633173-3-wei.fang@nxp.com>
Date: Thu, 19 Dec 2024 14:13:40 +0800
From: Wei Fang <wei.fang@....com>
To: robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	shawnguo@...nel.org,
	s.hauer@...gutronix.de,
	kernel@...gutronix.de,
	festevam@...il.com,
	frank.li@....com
Cc: devicetree@...r.kernel.org,
	imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH v2 2/2] arm64: dts: imx95-19x19-evk: add ENETC 0 support

Add ENETC 0 (1G ethernet port) support for i.MX95-19x19-EVK board. In
addition, because all ENETC instances share MDIO bus, so enable EMDIO
at the same time.

Signed-off-by: Wei Fang <wei.fang@....com>
---
 .../boot/dts/freescale/imx95-19x19-evk.dts    | 52 +++++++++++++++++++
 1 file changed, 52 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
index 6086cb7fa5a0..8bc066c3760c 100644
--- a/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx95-19x19-evk.dts
@@ -22,6 +22,7 @@ / {
 	compatible = "fsl,imx95-19x19-evk", "fsl,imx95";
 
 	aliases {
+		ethernet0 = &enetc_port0;
 		gpio0 = &gpio1;
 		gpio1 = &gpio2;
 		gpio2 = &gpio3;
@@ -193,6 +194,14 @@ sound-wm8962 {
 	};
 };
 
+&enetc_port0 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_enetc0>;
+	phy-handle = <&ethphy0>;
+	phy-mode = "rgmii-id";
+	status = "okay";
+};
+
 &flexspi1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_flexspi1>;
@@ -338,6 +347,25 @@ &mu7 {
 	status = "okay";
 };
 
+&netcmix_blk_ctrl {
+	status = "okay";
+};
+
+&netc_blk_ctrl {
+	status = "okay";
+};
+
+&netc_emdio {
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_emdio>;
+	status = "okay";
+
+	ethphy0: ethernet-phy@1 {
+		reg = <1>;
+		realtek,clkout-disable;
+	};
+};
+
 &pcie0 {
 	pinctrl-0 = <&pinctrl_pcie0>;
 	pinctrl-names = "default";
@@ -429,6 +457,30 @@ &wdog3 {
 };
 
 &scmi_iomuxc {
+	pinctrl_emdio: emdiogrp{
+		fsl,pins = <
+			IMX95_PAD_ENET1_MDC__NETCMIX_TOP_NETC_MDC		0x57e
+			IMX95_PAD_ENET1_MDIO__NETCMIX_TOP_NETC_MDIO		0x97e
+		>;
+	};
+
+	pinctrl_enetc0: enetc0grp {
+		fsl,pins = <
+			IMX95_PAD_ENET1_TD3__NETCMIX_TOP_ETH0_RGMII_TD3		0x57e
+			IMX95_PAD_ENET1_TD2__NETCMIX_TOP_ETH0_RGMII_TD2		0x57e
+			IMX95_PAD_ENET1_TD1__NETCMIX_TOP_ETH0_RGMII_TD1		0x57e
+			IMX95_PAD_ENET1_TD0__NETCMIX_TOP_ETH0_RGMII_TD0		0x57e
+			IMX95_PAD_ENET1_TX_CTL__NETCMIX_TOP_ETH0_RGMII_TX_CTL	0x57e
+			IMX95_PAD_ENET1_TXC__NETCMIX_TOP_ETH0_RGMII_TX_CLK	0x58e
+			IMX95_PAD_ENET1_RX_CTL__NETCMIX_TOP_ETH0_RGMII_RX_CTL	0x57e
+			IMX95_PAD_ENET1_RXC__NETCMIX_TOP_ETH0_RGMII_RX_CLK	0x58e
+			IMX95_PAD_ENET1_RD0__NETCMIX_TOP_ETH0_RGMII_RD0		0x57e
+			IMX95_PAD_ENET1_RD1__NETCMIX_TOP_ETH0_RGMII_RD1		0x57e
+			IMX95_PAD_ENET1_RD2__NETCMIX_TOP_ETH0_RGMII_RD2		0x57e
+			IMX95_PAD_ENET1_RD3__NETCMIX_TOP_ETH0_RGMII_RD3		0x57e
+		>;
+	};
+
 	pinctrl_flexspi1: flexspi1grp {
 		fsl,pins = <
 			IMX95_PAD_XSPI1_SS0_B__FLEXSPI1_A_SS0_B			0x3fe
-- 
2.34.1