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riscv: dts: sophgo: Add mdio multiplexer device for cv18xx

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Add DT device node of mdio multiplexer device for cv18xx SoC.

Link: https://lore.kernel.org/r/20250703021600.125550-3-inochiama@gmail.com
Signed-off-by: Inochi Amaoto <inochiama@gmail.com>
Signed-off-by: Chen Wang <unicorn_wang@outlook.com>
Signed-off-by: Chen Wang <wangchen20@iscas.ac.cn>
This commit is contained in:
Inochi Amaoto 2025-07-03 10:15:57 +08:00
parent 109b3d7b88
commit ba1abacc57
1 changed files with 29 additions and 0 deletions
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29
arch/riscv/boot/dts/sophgo/cv180x.dtsi
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@ -31,6 +31,33 @@ rst: reset-controller@3003000 {
#reset-cells = <1>;
};
mdio: mdio@3009800 {
compatible = "mdio-mux-mmioreg", "mdio-mux";
reg = <0x3009800 0x4>;
#address-cells = <1>;
#size-cells = <0>;
mdio-parent-bus = <&gmac0_mdio>;
mux-mask = <0x80>;
status = "disabled";
internal_mdio: mdio@0 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0>;
internal_ephy: phy@0 {
compatible = "ethernet-phy-ieee802.3-c22";
reg = <1>;
};
};
external_mdio: mdio@80 {
#address-cells = <1>;
#size-cells = <0>;
reg = <0x80>;
};
};
gpio0: gpio@3020000 {
compatible = "snps,dw-apb-gpio";
reg = <0x3020000 0x1000>;
@ -196,6 +223,8 @@ gmac0: ethernet@4070000 {
clock-names = "stmmaceth", "ptp_ref";
interrupts = <SOC_PERIPHERAL_IRQ(15) IRQ_TYPE_LEVEL_HIGH>;
interrupt-names = "macirq";
phy-handle = <&internal_ephy>;
phy-mode = "internal";
resets = <&rst RST_ETH0>;
reset-names = "stmmaceth";
rx-fifo-depth = <8192>;