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riscv: dts: spacemit: Add Ethernet support for Jupiter

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Milk-V Jupiter uses an RGMII PHY for each port and uses GPIO for PHY
reset.

Signed-off-by: Vivian Wang <wangruikang@iscas.ac.cn>
Reviewed-by: Yixun Lan <dlan@gentoo.org>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://patch.msgid.link/20250914-net-k1-emac-v12-5-65b31b398f44@iscas.ac.cn
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
This commit is contained in:
Vivian Wang 2025-09-14 12:23:16 +08:00 committed by Paolo Abeni
parent 3c247a6366
commit e32dc7a936
1 changed files with 48 additions and 0 deletions
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48
arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
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@ -12,6 +12,8 @@ / {
compatible = "milkv,jupiter", "spacemit,k1";
aliases {
ethernet0 = &eth0;
ethernet1 = &eth1;
serial0 = &uart0;
};
@ -20,6 +22,52 @@ chosen {
};
};
&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>;