[PATCH net-next v3 5/5] riscv: dts: spacemit: Add Ethernet support for Jupiter
Vivian Wang
wangruikang at iscas.ac.cn
Tue Jul 1 23:01:44 PDT 2025
Milk-V Jupiter uses an RGMII PHY for each port and uses GPIO for PHY
reset.
Signed-off-by: Vivian Wang <wangruikang at iscas.ac.cn>
---
arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts | 46 +++++++++++++++++++++++
1 file changed, 46 insertions(+)
diff --git a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
index 4483192141049caa201c093fb206b6134a064f42..c5933555c06b66f40e61fe2b9c159ba0770c2fa1 100644
--- a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
@@ -20,6 +20,52 @@ chosen {
};
};
+ð0 {
+ 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 at 1 {
+ reg = <0x1>;
+ };
+ };
+};
+
+ð1 {
+ 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 at 1 {
+ reg = <0x1>;
+ };
+ };
+};
+
&uart0 {
pinctrl-names = "default";
pinctrl-0 = <&uart0_2_cfg>;
--
2.49.0
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