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

From: Vivian Wang
Date: Thu Jun 12 2025 - 22:20:39 EST


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

Signed-off-by: Vivian Wang <wangruikang@xxxxxxxxxxx>
---
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 816ef1bc358ec490aff184d5915d680dbd9f00cb..6b841dacb61ec6592339f174267f4936c0579597 100644
--- a/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-bananapi-f3.dts
@@ -35,3 +35,49 @@ &uart0 {
pinctrl-0 = <&uart0_2_cfg>;
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>;
+ };
+ };
+};

--
2.49.0