linux-kernel - [PATCH v5 5/7] arm64: dts: sophgo: Add Duo Module 01 Evaluation Board

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Message-ID: <20250316185640.3750873-6-alexander.sverdlin@gmail.com>
Date: Sun, 16 Mar 2025 19:56:35 +0100
From: Alexander Sverdlin <alexander.sverdlin@...il.com>
To: sophgo@...ts.linux.dev,
	soc@...ts.linux.dev
Cc: Alexander Sverdlin <alexander.sverdlin@...il.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Chen Wang <unicorn_wang@...look.com>,
	Inochi Amaoto <inochiama@...il.com>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>,
	Alexandre Ghiti <alex@...ti.fr>,
	Catalin Marinas <catalin.marinas@....com>,
	Will Deacon <will@...nel.org>,
	Arnd Bergmann <arnd@...db.de>,
	Jisheng Zhang <jszhang@...nel.org>,
	Haylen Chu <heylenay@...look.com>,
	Chao Wei <chao.wei@...hgo.com>,
	devicetree@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org
Subject: [PATCH v5 5/7] 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@...il.com>
---
Changelog:
v5:
v4:
v3:
v2:
- sorted all nodes according to DT coding style;
- added "compatible" property;
- renamed the new .dts not to use underscores;
- added status = "okay" instead of deleting it;

 arch/arm64/boot/dts/Makefile                  |  1 +
 arch/arm64/boot/dts/sophgo/Makefile           |  2 ++
 .../sophgo/sg2000-milkv-duo-module-01-evb.dts | 31 +++++++++++++++++++
 3 files changed, 34 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..b1f8a5787861
--- /dev/null
+++ b/arch/arm64/boot/dts/sophgo/sg2000-milkv-duo-module-01-evb.dts
@@ -0,0 +1,31 @@
+// 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";
+	};
+};
+
+&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";
+};
-- 
2.48.1