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authorInochi Amaoto <inochiama@gmail.com>2025-07-03 10:15:57 +0800
committerInochi Amaoto <inochiama@gmail.com>2025-07-23 09:55:15 +0800
commitba1abacc57cb7c1bdc249d3d61ec75fbe3e598f2 (patch)
treeef6f933179a67d6a4728afe2d2992b3568a4ed3a
parent109b3d7b888cf3685b06c19fa7241fb2da280db8 (diff)
riscv: dts: sophgo: Add mdio multiplexer device for cv18xx
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>
-rw-r--r--arch/riscv/boot/dts/sophgo/cv180x.dtsi29
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/riscv/boot/dts/sophgo/cv180x.dtsi b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
index 9e4559538cbc..56eb74c4a89e 100644
--- a/arch/riscv/boot/dts/sophgo/cv180x.dtsi
+++ b/arch/riscv/boot/dts/sophgo/cv180x.dtsi
@@ -31,6 +31,33 @@
#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 @@
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>;