netdev - [PATCH 3/3] arm64: dts: st: enable Ethernet2 on stm32mp257f-ev1 board

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Date: Tue, 18 Jun 2024 11:35:27 +0200
From: Christophe Roullier <christophe.roullier@...s.st.com>
To: "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet
	<edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni
	<pabeni@...hat.com>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>,
        Richard Cochran <richardcochran@...il.com>,
        Jose Abreu <joabreu@...opsys.com>, Liam Girdwood <lgirdwood@...il.com>,
        Mark
 Brown <broonie@...nel.org>,
        Christophe Roullier
	<christophe.roullier@...s.st.com>,
        Marek Vasut <marex@...x.de>
CC: <netdev@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH 3/3] arm64: dts: st: enable Ethernet2 on stm32mp257f-ev1 board

ETHERNET2 instance is connected to Realtek PHY in RGMII mode
Ethernet is SNSP IP with GMAC5 version.

Signed-off-by: Christophe Roullier <christophe.roullier@...s.st.com>
---
 arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 24 ++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
index 27b7360e5dba..6d8bf1342e23 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
@@ -17,6 +17,7 @@ / {
 	compatible = "st,stm32mp257f-ev1", "st,stm32mp257";
 
 	aliases {
+		ethernet0 = &ethernet2;
 		serial0 = &usart2;
 	};
 
@@ -55,6 +56,29 @@ &arm_wdt {
 	status = "okay";
 };
 
+&ethernet2 {
+	status = "okay";
+	pinctrl-0 = <&eth2_rgmii_pins_a>;
+	pinctrl-1 = <&eth2_rgmii_sleep_pins_a>;
+	pinctrl-names = "default", "sleep";
+	phy-mode = "rgmii-id";
+	max-speed = <1000>;
+	phy-handle = <&phy0_eth2>;
+
+	mdio {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		compatible = "snps,dwmac-mdio";
+		phy0_eth2: ethernet-phy@1 {
+			compatible = "ethernet-phy-id001c.c916";
+			reg = <1>;
+			reset-assert-us = <10000>;
+			reset-deassert-us = <300>;
+			reset-gpios =  <&gpiog 6 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
 &i2c2 {
 	pinctrl-names = "default", "sleep";
 	pinctrl-0 = <&i2c2_pins_a>;
-- 
2.25.1