linux-kernel - [PATCH net-next v3 4/5] riscv: dts: spacemit: Add Ethernet support for BPI-F3

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Message-Id: <20250702-net-k1-emac-v3-4-882dc55404f3@iscas.ac.cn>
Date: Wed, 02 Jul 2025 14:01:43 +0800
From: Vivian Wang <wangruikang@...as.ac.cn>
To: Andrew Lunn <andrew+netdev@...n.ch>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, 
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Yixun Lan <dlan@...too.org>, 
 Vivian Wang <wangruikang@...as.ac.cn>, 
 Philipp Zabel <p.zabel@...gutronix.de>, 
 Paul Walmsley <paul.walmsley@...ive.com>, 
 Palmer Dabbelt <palmer@...belt.com>, Albert Ou <aou@...s.berkeley.edu>, 
 Alexandre Ghiti <alex@...ti.fr>
Cc: Vivian Wang <uwu@...m.page>, Lukas Bulwahn <lukas.bulwahn@...hat.com>, 
 Geert Uytterhoeven <geert+renesas@...der.be>, 
 Parthiban Veerasooran <Parthiban.Veerasooran@...rochip.com>, 
 netdev@...r.kernel.org, devicetree@...r.kernel.org, 
 linux-riscv@...ts.infradead.org, spacemit@...ts.linux.dev, 
 linux-kernel@...r.kernel.org
Subject: [PATCH net-next v3 4/5] riscv: dts: spacemit: Add Ethernet support
 for BPI-F3

Banana Pi BPI-F3 uses an RGMII PHY for each port and uses GPIO for PHY
reset.

Signed-off-by: Vivian Wang <wangruikang@...as.ac.cn>
---
 arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 46 +++++++++++++++++++++++++
 1 file changed, 46 insertions(+)

diff --git a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
index fe22c747c5012fe56d42ac8a7efdbbdb694f31b6..15fa4a5ebd043f3fbb115d37e5a980c9b773a228 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -40,6 +40,52 @@ &emmc {
 	status = "okay";
 };

+&eth0 {
+	phy-handle = <&rgmii0>;
+	phy-mode = "rgmii-id";
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac0_cfg>;
+	rx-internal-delay-ps = <0>;
+	tx-internal-delay-ps = <0>;
+	status = "okay";
+
+	mdio-bus {
+		#address-cells = <0x1>;
+		#size-cells = <0x0>;
+
+		reset-gpios = <&gpio K1_GPIO(110) GPIO_ACTIVE_LOW>;
+		reset-delay-us = <10000>;
+		reset-post-delay-us = <100000>;
+
+		rgmii0: phy@1 {
+			reg = <0x1>;
+		};
+	};
+};
+
+&eth1 {
+	phy-handle = <&rgmii1>;
+	phy-mode = "rgmii-id";
+	pinctrl-names = "default";
+	pinctrl-0 = <&gmac1_cfg>;
+	rx-internal-delay-ps = <0>;
+	tx-internal-delay-ps = <250>;
+	status = "okay";
+
+	mdio-bus {
+		#address-cells = <0x1>;
+		#size-cells = <0x0>;
+
+		reset-gpios = <&gpio K1_GPIO(115) GPIO_ACTIVE_LOW>;
+		reset-delay-us = <10000>;
+		reset-post-delay-us = <100000>;
+
+		rgmii1: phy@1 {
+			reg = <0x1>;
+		};
+	};
+};
+
 &uart0 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_2_cfg>;

-- 
2.49.0