[PATCH v8 4/6] arm64: dts: sophgo: Add Duo Module 01 Evaluation Board

Alexander Sverdlin alexander.sverdlin at gmail.com
Thu Jun 12 06:28:12 PDT 2025


Duo Module 01 Evaluation Board contains Sophgo Duo Module 01
SMD SoM, Ethernet+USB switch, microSD slot, etc...
Add only support for UART0 (console) and microSD slot.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin at gmail.com>
---
 arch/arm64/boot/dts/Makefile                  |  1 +
 arch/arm64/boot/dts/sophgo/Makefile           |  2 +
 .../sophgo/sg2000-milkv-duo-module-01-evb.dts | 76 +++++++++++++++++++
 3 files changed, 79 insertions(+)
 create mode 100644 arch/arm64/boot/dts/sophgo/Makefile
 create mode 100644 arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01-evb.dts

diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 79b73a21ddc2..3a32b157ac8c 100644
--- a/arch/arm64/boot/dts/Makefile
+++ b/arch/arm64/boot/dts/Makefile
@@ -28,6 +28,7 @@ subdir-y += realtek
 subdir-y += renesas
 subdir-y += rockchip
 subdir-y += socionext
+subdir-y += sophgo
 subdir-y += sprd
 subdir-y += st
 subdir-y += synaptics
diff --git a/arch/arm64/boot/dts/sophgo/Makefile b/arch/arm64/boot/dts/sophgo/Makefile
new file mode 100644
index 000000000000..94f52cd7d994
--- /dev/null
+++ b/arch/arm64/boot/dts/sophgo/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_SOPHGO) += sg2000-milkv-duo-module-01-evb.dtb
diff --git a/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01-evb.dts b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01-evb.dts
new file mode 100644
index 000000000000..a281fee0d76e
--- /dev/null
+++ b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01-evb.dts
@@ -0,0 +1,76 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+
+/dts-v1/;
+
+#include "sg2000-milkv-duo-module-01.dtsi"
+
+/ {
+	model = "Milk-V Duo Module 01 Evaluation Board";
+	compatible = "milkv,duo-module-01-evb", "milkv,duo-module-01", "sophgo,sg2000";
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+};
+
+&pinctrl {
+	sdhci0_cfg: sdhci0-cfg {
+		sdhci0-cd-pins {
+			pinmux = <PINMUX(PIN_SD0_CD, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <10800>;
+			power-source = <3300>;
+		};
+
+		sdhci0-clk-pins {
+			pinmux = <PINMUX(PIN_SD0_CLK, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <16100>;
+			power-source = <3300>;
+		};
+
+		sdhci0-cmd-pins {
+			pinmux = <PINMUX(PIN_SD0_CMD, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <10800>;
+			power-source = <3300>;
+		};
+
+		sdhci0-data-pins {
+			pinmux = <PINMUX(PIN_SD0_D0, 0)>,
+				 <PINMUX(PIN_SD0_D1, 0)>,
+				 <PINMUX(PIN_SD0_D2, 0)>,
+				 <PINMUX(PIN_SD0_D3, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <10800>;
+			power-source = <3300>;
+		};
+	};
+
+	uart0_cfg: uart0-cfg {
+		uart0-pins {
+			pinmux = <PINMUX(PIN_UART0_TX, 0)>,
+				 <PINMUX(PIN_UART0_RX, 0)>;
+			bias-pull-up;
+			drive-strength-microamp = <10800>;
+			power-source = <3300>;
+		};
+	};
+};
+
+&uart0 {
+	pinctrl-0 = <&uart0_cfg>;
+	pinctrl-names = "default";
+	status = "okay";
+};
+
+&sdhci0 {
+	bus-width = <4>;
+	no-1-8-v;
+	no-mmc;
+	no-sdio;
+	disable-wp;
+	pinctrl-0 = <&sdhci0_cfg>;
+	pinctrl-names = "default";
+	status = "okay";
+};
-- 
2.49.0




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