arm64: dts: sophgo: Add Duo Module 01 Evaluation Board

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@gmail.com>
Reviewed-by: Inochi Amaoto <inochiama@gmail.com>
Link: https://lore.kernel.org/r/20250612132844.767216-5-alexander.sverdlin@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>

diff --git a/arch/arm64/boot/dts/Makefile b/arch/arm64/boot/dts/Makefile
index 79b73a21ddc22b17308554e502f8207392935b45..3a32b157ac8c3670935c8a675e622d7e8a50eb18 100644 (file)
--- 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 (file)
index 0000000..94f52cd
--- /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 (file)
index 0000000..a281fee
--- /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";
+};