[PATCH net-next v12 5/5] riscv: dts: spacemit: Add Ethernet support for Jupiter
From: Vivian Wang <hidden>
Date: 2025-09-14 04:24:20
Also in:
linux-devicetree, linux-riscv, lkml, spacemit
Subsystem:
risc-v architecture, risc-v spacemit soc support, the rest · Maintainers:
Paul Walmsley, Palmer Dabbelt, Albert Ou, Yixun Lan, Linus Torvalds
Milk-V Jupiter uses an RGMII PHY for each port and uses GPIO for PHY reset. Signed-off-by: Vivian Wang <redacted> Reviewed-by: Yixun Lan <redacted> Reviewed-by: Andrew Lunn <andrew@lunn.ch> --- arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts | 48 +++++++++++++++++++++++ 1 file changed, 48 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..89f4132778931a5edde75dde675502a3211a210d 100644
--- a/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts
+++ b/arch/riscv/boot/dts/spacemit/k1-milkv-jupiter.dts@@ -12,6 +12,8 @@ / { compatible = "milkv,jupiter", "spacemit,k1"; aliases { + ethernet0 = ð0; + ethernet1 = ð1; serial0 = &uart0; };
@@ -20,6 +22,52 @@ 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@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@1 { + reg = <0x1>; + }; + }; +}; + &uart0 { pinctrl-names = "default"; pinctrl-0 = <&uart0_2_cfg>;
--
2.50.1