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Message-ID: <20250903-mp2_ethernet-v1-3-4105b0ad2344@foss.st.com>
Date: Wed, 3 Sep 2025 11:53:04 +0200
From: Gatien Chevallier <gatien.chevallier@...s.st.com>
To: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
Conor Dooley <conor+dt@...nel.org>,
Maxime Coquelin
<mcoquelin.stm32@...il.com>,
Alexandre Torgue <alexandre.torgue@...s.st.com>
CC: <devicetree@...r.kernel.org>, <linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
Gatien Chevallier <gatien.chevallier@...s.st.com>
Subject: [PATCH 3/4] arm64: dts: st: enable ethernet1 controller on
stm32mp257f-ev1
ethernet1 controller is connected to the RTL8211F-CG Realtek PHY in
RGMII mode. It can either be used as a standalone Ethernet controller
or be connected to the internal TSN capable switch. For this board,
keep the standalone setup. Also enable this peripheral on the
stm32mp257f-ev1 board.
Signed-off-by: Gatien Chevallier <gatien.chevallier@...s.st.com>
---
arch/arm64/boot/dts/st/stm32mp257f-ev1.dts | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
index 4ff334563599b46e987474076798337e75e16ef7..725846dfaac925646f43db542ed803dd7b9d85dd 100644
--- a/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
+++ b/arch/arm64/boot/dts/st/stm32mp257f-ev1.dts
@@ -19,6 +19,7 @@ / {
aliases {
ethernet0 = ðernet2;
+ ethernet1 = ðernet1;
serial0 = &usart2;
serial1 = &usart6;
};
@@ -133,6 +134,30 @@ dcmipp_0: endpoint {
};
};
+ðernet1 {
+ pinctrl-0 = <ð1_rgmii_pins_a ð1_mdio_pins_a>;
+ pinctrl-1 = <ð1_rgmii_sleep_pins_a ð1_mdio_sleep_pins_a>;
+ pinctrl-names = "default", "sleep";
+ max-speed = <1000>;
+ phy-handle = <&phy1_eth1>;
+ phy-mode = "rgmii-id";
+ st,ext-phyclk;
+ status = "okay";
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ compatible = "snps,dwmac-mdio";
+ phy1_eth1: ethernet-phy@4 {
+ compatible = "ethernet-phy-id001c.c916";
+ reset-gpios = <&gpioj 9 GPIO_ACTIVE_LOW>;
+ reset-assert-us = <10000>;
+ reset-deassert-us = <80000>;
+ reg = <4>;
+ };
+ };
+};
+
ðernet2 {
pinctrl-names = "default", "sleep";
pinctrl-0 = <ð2_rgmii_pins_a>;
--
2.25.1
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