linux-kernel - [PATCH net-next v12 4/5] riscv: dts: spacemit: Add Ethernet support for BPI-F3

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Message-Id: <20250914-net-k1-emac-v12-4-65b31b398f44@iscas.ac.cn>
Date: Sun, 14 Sep 2025 12:23:15 +0800
From: Vivian Wang <wangruikang@...as.ac.cn>
To: Andrew Lunn <andrew+netdev@...n.ch>, Jakub Kicinski <kuba@...nel.org>, 
 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>, 
 "David S. Miller" <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, 
 Paolo Abeni <pabeni@...hat.com>, 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>, 
 Vadim Fedorenko <vadim.fedorenko@...ux.dev>, 
 Junhui Liu <junhui.liu@...moral.tech>, Simon Horman <horms@...nel.org>, 
 Maxime Chevallier <maxime.chevallier@...tlin.com>, netdev@...r.kernel.org, 
 devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org, 
 spacemit@...ts.linux.dev, linux-kernel@...r.kernel.org, 
 Hendrik Hamerlinck <hendrik.hamerlinck@...mernet.be>, 
 Andrew Lunn <andrew@...n.ch>
Subject: [PATCH net-next v12 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.

Tested-by: Hendrik Hamerlinck <hendrik.hamerlinck@...mernet.be>
Signed-off-by: Vivian Wang <wangruikang@...as.ac.cn>
Reviewed-by: Yixun Lan <dlan@...too.org>
Reviewed-by: Andrew Lunn <andrew@...n.ch>
---
 arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts | 48 +++++++++++++++++++++++++
 1 file changed, 48 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..33e223cefd4bd3a12fae176ac6cddd8276cb53dc 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -11,6 +11,8 @@ / {
 	compatible = "bananapi,bpi-f3", "spacemit,k1";

 	aliases {
+		ethernet0 = &eth0;
+		ethernet1 = &eth1;
 		serial0 = &uart0;
 	};

@@ -40,6 +42,52 @@ &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>;

-- 
2.50.1